CN209117237U - A kind of wind pressure detection device - Google Patents
A kind of wind pressure detection device Download PDFInfo
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- CN209117237U CN209117237U CN201821098045.7U CN201821098045U CN209117237U CN 209117237 U CN209117237 U CN 209117237U CN 201821098045 U CN201821098045 U CN 201821098045U CN 209117237 U CN209117237 U CN 209117237U
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- air inlet
- wind pressure
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- wind
- pressure detection
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Abstract
The utility model discloses a kind of wind pressure detection device, wind pressure detection device includes circular air inlet circle, and the centre of circular air inlet circle is equipped with air inlet hole；The outer wall of the circular air inlet circle is fixed with the forward voltage diode of detection air inlet wind pressure and detects the negative tube of air inlet wind pressure, and the nozzle at the detection air inlet wind pressure end of forward voltage diode and negative tube is arranged in the centre of air inlet hole, and the other end is wind pressure sensor connecting pin；The wind pressure detection nozzle of the forward voltage diode is equipped with slope and detects nozzle outwardly, and the wind pressure detection nozzle of negative tube is equipped with slope and detects nozzle inwardly；This product structure is simple, and design rationally, effectively significantly distinguishes positive pressure, the detection mouth of negative pressure, and wind pressure data detection is more accurate, stablizes.
Description
Technical field
The utility model relates to wind pressure detection device, specifically a kind of wind pressure detection device.
Background technique
Wind pressure detection device is the essential a part of wind pressure sensor, and wind pressure sensor is mounted in boiler, burning
Device, wall-hung boiler on water heater, pass through wind pressure index and fluctuate automatic control boiler, burner, wall-hung boiler, water heater operating, wind
The accuracy of pressure detection device directly affects boiler, burner, wall-hung boiler, water heater running efficiency and post-combustion pollution object row
It puts, the wind pressure detection mouth person of the wind pressure detection device of existing wind pressure sensor is smooth cross section, and exhaust fan is put down in exhausting
Whole section wind pressure detection mouth keeps the wind pressure sensor inner membrance amplitude of oscillation small, it is easy to which the low pressure difference that disappears detects not accurate enough.
Utility model content
In order to solve the above-mentioned technical problem, it is simple to provide a kind of structure for the utility model, design rationally, effectively significantly
Distinguish the wind pressure detection device of positive pressure, the detection mouth of negative pressure.
Solve the scheme of above-mentioned technical problem are as follows:
A kind of wind pressure detection device, wind pressure detection device include circular air inlet circle, and the centre of circular air inlet circle is equipped with air inlet
Hole；The outer wall of the circular air inlet circle is fixed with the forward voltage diode of detection air inlet wind pressure and the negative tube of detection air inlet wind pressure, positive pressure
The nozzle at the detection air inlet wind pressure end of pipe and negative tube is arranged in the centre of air inlet hole, and the other end is wind pressure sensor connection
End；The wind pressure detection nozzle of the forward voltage diode is equipped with slope and detects nozzle outwardly, and the wind pressure detection nozzle of negative tube is equipped with slope
Nozzle is detected inwardly.
Further, the circular air inlet ring outer wall is connected with air filter connection ring, the wind of forward voltage diode and negative tube
Pressure sensor connecting pin is arranged in outside air filter connection ring.
Further, the inner wall of the circular air inlet circle, which extends internally, is connected with air inlet tube body, air inlet tube body and air inlet hole hang down
It directly communicates, air inlet tube end portion is fixedly connected with the wind-guiding ring plate radially extended, is formed between wind-guiding ring plate and circular air inlet circle
There is combustion gas to be distributed circumferential groove.
Further, the outer wall of the circular air inlet circle is connected with circle body fixed ring piece.
Further, the circle body fixed ring piece is connected with gas inlet device, gas inlet device includes annular ring and combustion
Gas air inlet pipe fitting, annular ring outer wall are connect with gas inlet pipe fitting, and the gas outlet of combustion gas is arranged in annular ring inner wall；It is described
It is hole arranged for air inlet tube body in annular ring circle；It is fixedly connected at the top of the circle body fixed ring piece and annular ring, blast pipe after connection
Body protrude into air inlet tube body it is hole arranged in, wind-guiding ring plate be arranged in air inlet the hole arranged bottom of tube body aperture on, wind-guiding ring plate with
It enters the wind and is equipped with circulating type gas outlet seam between the hole arranged mouth of tube body.
Further, the bottom end outer wall of annular ring has been laterally extended annular ring fixinig plate.
Further, the forward voltage diode and negative tube are connected with wind pressure sensor, the positive pressure chamber connector of wind pressure sensor, negative pressure
Chamber connector is connected by hose with corresponding forward voltage diode and negative tube.
Further, the forward voltage diode and negative tube are arranged in parallel.
A kind of wind pressure detection device advantage of the utility model are as follows: the wind pressure detection nozzle of forward voltage diode is equipped with slope and examines outwardly
Test tube mouth, the wind pressure detection nozzle of negative tube are equipped with slope and detect nozzle inwardly；When exhaust fan exhausting, breathe heavily anxious air-flow from into
Air holes enters, and the most rapidly, since the area that nozzle is detected on the slope of detection positive pressure outwardly is big, windage is big, wind for hole heart position
The positive pressure chamber of pressure sensor is increased by suction, and wind pressure sensor interior diaphragm beat is big, the detected wind pressure resistance of wind pressure sensor
Value Data becomes larger, and substantially directly amplifies wind pressure data, than by wind pressure sensor built in op amps more close to
Practical, wind pressure data detection is more accurate；Since the slope of detection negative pressure is detected inwardly, nozzle is not direct to crash with air inlet, but
Detection nozzle inwardly is set to become the area Huan Feng, it is the buffer area area/volume for increasing wind, the wind of mitigation that nozzle is detected on slope inwardly
The windage value that can be reduced the negative pressure cavity downdraught of wind pressure sensor stablizes the diaphragm beat of positive and negative pressure chamber.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model product wind pressure detection device；
Fig. 2 is the perspective view of the utility model product wind pressure detection device；
Fig. 3 is the perspective view of the utility model product wind pressure detection device, gas inlet device entirety；
Fig. 4 is the perspective view of the utility model product wind pressure detection device, gas inlet device entirety；
Fig. 5 is the cross-sectional view of the utility model product wind pressure detection device, gas inlet device entirety；
Fig. 6 is the perspective view of the utility model product gas inlet device.
Specific embodiment
A kind of wind pressure detection device, wind pressure detection device include circular air inlet circle 1, the centre of circular air inlet circle 1 be equipped with into
Air holes 11；The outer wall of the circular air inlet circle 1 is fixed with the forward voltage diode 12 of detection air inlet wind pressure and the negative pressure of detection air inlet wind pressure
The nozzle at the detection air inlet wind pressure end of pipe 13, forward voltage diode 12 and negative tube 13 is arranged in the centre of air inlet hole 11, and the other end is
Wind pressure sensor connecting pin；The wind pressure detection nozzle of the forward voltage diode 12 is equipped with slope and detects nozzle 121 outwardly, negative tube 13
Wind pressure detection nozzle is equipped with slope and detects nozzle 131 inwardly.
1 outer wall of circular air inlet circle is connected with air filter connection ring 2, the wind pressure of forward voltage diode 12 and negative tube 13
Sensor connecting pin is arranged in outside air filter connection ring 2, and air filter connection ring 2 is for installing air filtration
Device.
The inner wall of the circular air inlet circle 1, which extends internally, is connected with air inlet tube body 3, and air inlet tube body 3 is vertical with air inlet hole 11
It communicates, air inlet 3 end of tube body is fixedly connected with the wind-guiding ring plate 31 radially extended, between wind-guiding ring plate 31 and circular air inlet circle 1
It is formed with combustion gas distribution circumferential groove 32.
The outer wall of the circular air inlet circle 1 is connected with circle body fixed ring piece 4.
The circle body fixed ring piece 4 is connected with gas inlet device 5, and gas inlet device 5 includes annular ring 51 and combustion gas
Air inlet pipe fitting 52,51 outer wall of annular ring are connect with gas inlet pipe fitting 52, and the gas outlet of combustion gas is arranged in annular ring inner wall；
Annular ring 51 is air inlet tube body hole arranged 511 in enclosing；It is fixedly connected at the top of the circle body fixed ring piece 4 and annular ring 51,
Blast pipe body 3 protrudes into air inlet tube body hole arranged 511 after connection, and wind-guiding ring plate 31 is arranged in air inlet hole arranged 511 bottom of tube body
Circulating type gas outlet seam 512 is equipped on the aperture in portion, between hole arranged 511 mouthfuls of tube body of wind-guiding ring plate 31 and air inlet.
The bottom end outer wall of annular ring 51 has been laterally extended annular ring fixinig plate 513.
The forward voltage diode 12 and negative tube 13 are connected with wind pressure sensor 6, the positive pressure chamber connector of wind pressure sensor 6, negative pressure
Chamber connector is connected by hose with corresponding forward voltage diode 12 and negative tube 13.
The forward voltage diode 12 is arranged in parallel with negative tube 13.
The specific structure of product:
A kind of wind pressure detection device, wind pressure detection device include circular air inlet circle 1, the centre of circular air inlet circle 1 be equipped with into
Air holes 11；The outer wall of the circular air inlet circle 1 is fixed with the forward voltage diode 12 of detection air inlet wind pressure and the negative pressure of detection air inlet wind pressure
The nozzle at the detection air inlet wind pressure end of pipe 13, forward voltage diode 12 and negative tube 13 is arranged in the centre of air inlet hole 11, and the other end is
Wind pressure sensor connecting pin；The wind pressure detection nozzle of the forward voltage diode 12 is equipped with slope and detects nozzle 121 outwardly, negative tube 13
Wind pressure detection nozzle is equipped with slope and detects nozzle 131 inwardly；The forward voltage diode 12 and negative tube 13 are connected with wind pressure sensor 6,
Positive pressure chamber connector, the negative pressure cavity connector of wind pressure sensor 6 are connected by hose with corresponding forward voltage diode 12 and negative tube 13；Positive pressure
The wind pressure detection nozzle of pipe is equipped with slope and detects nozzle outwardly, and the wind pressure detection nozzle of negative tube is equipped with slope detection pipe inwardly
Mouthful；When exhaust fan exhausting, breathe heavily anxious air-flow from air inlet hole enter, hole heart position the most rapidly, due to detection positive pressure it is oblique
The area that nozzle is detected on slope outwardly is big, and windage is big, and the positive pressure chamber of wind pressure sensor is increased by suction, wind pressure sensor interior diaphragm
Beat is big, and the detected wind pressure resistance value data of wind pressure sensor become larger, and substantially directly amplifies wind pressure data, than passing through wind
Pressure sensor built in op amps more closing to reality, wind pressure data detection are more accurate；Due to detecting the slope court of negative pressure
Interior detection nozzle is not direct to crash with air inlet, but detection nozzle inwardly is made to become the area Huan Feng, and nozzle is detected on slope inwardly is
Increase buffer area area/volume of wind, the wind energy of mitigation reduces the windage value of the negative pressure cavity downdraught of wind pressure sensor, make just,
The diaphragm beat of negative pressure cavity is stablized；1 outer wall of circular air inlet circle be connected with air filter connection ring 2, forward voltage diode 12 and
The wind pressure sensor connecting pin of negative tube 13 is arranged in outside air filter connection ring 2, and air filter connection ring 2 is used for
Air filter is installed；The inner wall of the circular air inlet circle 1, which extends internally, is connected with air inlet tube body 3, enters the wind tube body 3 and air inlet hole
11 vertically communicate, and air inlet 3 end of tube body is fixedly connected with the wind-guiding ring plate 31 radially extended, wind-guiding ring plate 31 and circular air inlet circle
Combustion gas distribution circumferential groove 32 is formed between 1；The outer wall of the circular air inlet circle 1 is connected with circle body fixed ring piece 4；The circle body
Fixed ring piece 4 is connected with gas inlet device 5, and gas inlet device 5 includes annular ring 51 and gas inlet pipe fitting 52, annular
It encloses 51 outer walls to connect with gas inlet pipe fitting 52, the gas outlet of combustion gas is arranged in annular ring inner wall；In annular ring 51 is enclosed
To enter the wind tube body hole arranged 511；It is fixedly connected at the top of the circle body fixed ring piece 4 and annular ring 51, blast pipe body 3 is stretched after connection
Enter in air inlet tube body hole arranged 511, wind-guiding ring plate 31 is arranged on the aperture of air inlet hole arranged 511 bottom of tube body, air guide ring
Circulating type gas outlet seam 512 is equipped between hole arranged 511 mouthfuls of tube body of piece 31 and air inlet；Combustion gas is distributed circumferential groove by annular ring 51
32 periphery coverings form combustion gas distribution circumferential groove, and combustion gas is entered from gas inlet pipe fitting 52 will after combustion gas distribution circumferential groove 32
Combustion gas dispersion point is thin, then sprays from circulating type gas outlet seam 512, combustion gas mixes with air after entering blower after dispersion point is thin
It is more uniform；The bottom end outer wall of annular ring 51 has been laterally extended annular ring fixinig plate 513, for connecting with blower.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model；It is not taking off
From several improvements and modifications under the premise of the utility model principle, these improvements and modifications also should be regarded as the protection of the utility model
Range.
Claims (8)
1. a kind of wind pressure detection device, it is characterised in that: wind pressure detection device includes circular air inlet circle (1), circular air inlet circle (1)
Centre be equipped with air inlet hole (11)；The outer wall of the circular air inlet circle (1) be fixed with detection air inlet wind pressure forward voltage diode (12) and
The nozzle at the detection air inlet wind pressure end of the negative tube (13) of detection air inlet wind pressure, forward voltage diode (12) and negative tube (13) is arranged in
The centre of air inlet hole (11), the other end are wind pressure sensor connecting pin；The wind pressure detection nozzle of the forward voltage diode (12) is equipped with oblique
Slope is detected nozzle (121) outwardly, and the wind pressure detection nozzle of negative tube (13) is equipped with slope and detects nozzle (131) inwardly.
2. a kind of wind pressure detection device according to claim 1, it is characterised in that: circular air inlet circle (1) outer wall connects
It is connected to air filter and connects ring (2), the wind pressure sensor connecting pin of forward voltage diode (12) and negative tube (13) is arranged in air
Filter connects ring (2) outside.
3. a kind of wind pressure detection device according to claim 1 or 2, it is characterised in that: the circular air inlet circle (1) it is interior
Wall, which extends internally, is connected with air inlet tube body (3), and tube body (3) are vertical with air inlet hole (11) communicates for air inlet, and it is solid to enter the wind tube body (3) end
Surely it is connected with the wind-guiding ring plate (31) radially extended, combustion gas distribution is formed between wind-guiding ring plate (31) and circular air inlet circle (1)
Circumferential groove (32).
4. a kind of wind pressure detection device according to claim 1, it is characterised in that: the outer wall of the circular air inlet circle (1)
It is connected with circle body fixed ring piece (4).
5. a kind of wind pressure detection device according to claim 4, it is characterised in that: circle body fixed ring piece (4) connection
Have gas inlet device (5), gas inlet device (5) includes annular ring (51) and gas inlet pipe fitting (52), annular ring
(51) outer wall is connect with gas inlet pipe fitting (52), and the gas outlet of combustion gas is arranged in annular ring inner wall；Annular ring (51)
It is hole arranged (511) for air inlet tube body in circle；It is fixedly connected at the top of the circle body fixed ring piece (4) and annular ring (51), after connection
Air inlet tube body (3) protrudes into air inlet tube body hole arranged (511), and it is hole arranged (511) that wind-guiding ring plate (31) is arranged in air inlet tube body
On the aperture of bottom, circulating type gas outlet is equipped between wind-guiding ring plate (31) and air inlet hole arranged (511) mouth of tube body and is stitched
(512)。
6. a kind of wind pressure detection device according to claim 5, it is characterised in that: the bottom end outer wall of annular ring (51)
It has been laterally extended annular ring fixinig plate (513).
7. a kind of wind pressure detection device according to claim 1, it is characterised in that: the forward voltage diode (12) and negative tube
(13) be connected with wind pressure sensor (6), the positive pressure chamber connector of wind pressure sensor (6), negative pressure cavity connector by hose with it is corresponding
Forward voltage diode (12) and negative tube (13) connection.
8. a kind of wind pressure detection device according to claim 1, it is characterised in that: the forward voltage diode (12) and negative tube
(13) it is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098045.7U CN209117237U (en) | 2018-07-10 | 2018-07-10 | A kind of wind pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098045.7U CN209117237U (en) | 2018-07-10 | 2018-07-10 | A kind of wind pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117237U true CN209117237U (en) | 2019-07-16 |
Family
ID=67196094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821098045.7U Active CN209117237U (en) | 2018-07-10 | 2018-07-10 | A kind of wind pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209117237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432676A (en) * | 2020-11-02 | 2021-03-02 | 广东万家乐燃气具有限公司 | Air quantity detection and adjustment device, water heater and constant air quantity detection and adjustment method |
-
2018
- 2018-07-10 CN CN201821098045.7U patent/CN209117237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432676A (en) * | 2020-11-02 | 2021-03-02 | 广东万家乐燃气具有限公司 | Air quantity detection and adjustment device, water heater and constant air quantity detection and adjustment method |
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