CN203550107U - Kitchen negative pressure prevention device - Google Patents
Kitchen negative pressure prevention device Download PDFInfo
- Publication number
- CN203550107U CN203550107U CN201320662236.2U CN201320662236U CN203550107U CN 203550107 U CN203550107 U CN 203550107U CN 201320662236 U CN201320662236 U CN 201320662236U CN 203550107 U CN203550107 U CN 203550107U
- Authority
- CN
- China
- Prior art keywords
- kitchen
- air valve
- electric air
- blast pipe
- inlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kitchen negative pressure prevention device, comprising an air inlet pipe and an electric air valve or a gas supply pump, wherein one end of the air inlet pipe is connected to the outside, the other end of the air inlet pipe is connected above a ceiling in a kitchen, and the electric air valve or the gas supply pump is linked with a motor of a smoke exhaust in the kitchen. When the smoke exhaust is started, the electric air valve is simultaneously opened, and the air inlet pipe enables air to enter so as to balance air pressure; when the smoke exhaust is shut down, the electric air valve is simultaneously closed, and the air inlet pipe is closed, so that generation of strong negative pressure in a room when smoke in the kitchen is exhausted is finally avoided. Or, a micro pressure difference transducer is adopted for detecting pressure difference inside and outside the kitchen room. When the pressure difference inside and outside the kitchen room is a positive value, the electric air valve or the gas supply pump is not started; when the pressure difference inside and outside the kitchen room is a negative value, the electric air valve or the gas supply pump is started.
Description
Technical field
The utility model relates to a kind of anti-kitchen negative pressure device.
Background technology
When exhauster for removing kitchen fumes is opened, the air quantity of draining in the short time is too large, and causing air in kitchen is negative pressure, can fill into large quantity of air from other room.Take air-conditioning system in main building, if the flow process of wind system disequilibrium and wind is disorderly, can cause dewfall phenomenon to occur.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of anti-kitchen negative pressure device, when it is opened at exhauster for removing kitchen fumes, can avoid filling into air from other room.
In order to solve the problems of the technologies described above, the utility model provides a kind of anti-kitchen negative pressure device, and it comprises: blast pipe, be located at Electric air valve or air delivery pump on this blast pipe; Described blast pipe one end is connected in outdoor, and the other end is connected in furred ceiling top between kitchen, the motor linkage of the lampblack absorber in Electric air valve or air delivery pump and described kitchen.
The utility model provides another kind of anti-kitchen negative pressure device, and it comprises: blast pipe, be located at Electric air valve or air delivery pump on this blast pipe, and for detection of the micro-pressure sensor of inside and outside differential pressure between kitchen, and controller; Described blast pipe one end is connected in outdoor, and the other end is connected in furred ceiling top between kitchen; Described micro-pressure sensor is connected with controller, and this controller is for controlling described Electric air valve or air delivery pump action according to the output valve of described micro-pressure sensor.
With respect to prior art, the technique effect the utlity model has is: anti-kitchen of the present utility model negative pressure device, adopt a square blast pipe, and built-in Electric air valve or air delivery pump, blast pipe one end is connected in outdoor, and one end is connected between kitchen in furred ceiling; The motor linkage of lampblack absorber during use in Electric air valve or air delivery pump and described kitchen,, when lampblack absorber starts, Electric air valve is opened simultaneously, and blast pipe air intake, with equilibrium air pressure.When lampblack absorber is closed, Electric air valve is closed simultaneously, and blast pipe is closed, and has finally avoided the generation of dewfall phenomenon.Or, adopt micro-pressure sensor, detect inside and outside differential pressure between kitchen.When inside and outside differential pressure between kitchen be on the occasion of time, described Electric air valve or air delivery pump do not start; When indoor and outdoor pressure reduction is negative value, described Electric air valve or air delivery pump start.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present utility model and than the technical advantage of existing product, below by means of accompanying drawing by two possible embodiment of limiting examples explanation of the described principle of application.In the drawings:
Fig. 1 is the structure chart of anti-kitchen negative pressure device.
The specific embodiment
Embodiment 1
As Fig. 1, the anti-kitchen negative pressure device of the present embodiment comprises: blast pipe 1, be located at Electric air valve 2 or air delivery pump on this blast pipe.Blast pipe 1 one end is connected in outdoor, and the other end is connected in furred ceiling 3 tops between kitchen, the motor linkage of the lampblack absorber 4 in Electric air valve 2 or air delivery pump and described kitchen, and, when lampblack absorber starts, Electric air valve is opened simultaneously, and blast pipe air intake, with equilibrium air pressure.When lampblack absorber is closed, Electric air valve is closed simultaneously, and blast pipe is closed.
Embodiment 2
On the basis of described embodiment 1, there is following modification in the present embodiment:
Adopt micro-pressure sensor, detect inside and outside differential pressure between kitchen.When inside and outside differential pressure between kitchen be on the occasion of time, described Electric air valve or air delivery pump do not start; When indoor and outdoor pressure reduction is negative value, described Electric air valve or air delivery pump start.
Described micro-pressure sensor is connected with a controller, and this controller is for controlling described Electric air valve or air delivery pump action according to the output valve of described micro-pressure sensor.The preferred single-chip microcomputer of controller.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or change still among protection domain of the present utility model.
Claims (2)
1. an anti-kitchen negative pressure device, is characterized in that comprising: blast pipe, be located at Electric air valve or air delivery pump on this blast pipe;
Described blast pipe one end is connected in outdoor, and the other end is connected in furred ceiling top between kitchen, the motor linkage of the lampblack absorber in Electric air valve or air delivery pump and described kitchen.
2. an anti-kitchen negative pressure device, is characterized in that comprising: blast pipe, be located at Electric air valve or air delivery pump on this blast pipe, and for detection of the micro-pressure sensor of inside and outside differential pressure between kitchen, and controller;
Described blast pipe one end is connected in outdoor, and the other end is connected in furred ceiling top between kitchen;
Described micro-pressure sensor is connected with controller, and this controller is for controlling described Electric air valve or air delivery pump action according to the output valve of described micro-pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662236.2U CN203550107U (en) | 2013-10-25 | 2013-10-25 | Kitchen negative pressure prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662236.2U CN203550107U (en) | 2013-10-25 | 2013-10-25 | Kitchen negative pressure prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550107U true CN203550107U (en) | 2014-04-16 |
Family
ID=50468216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320662236.2U Expired - Fee Related CN203550107U (en) | 2013-10-25 | 2013-10-25 | Kitchen negative pressure prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203550107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194955A (en) * | 2018-01-22 | 2018-06-22 | 北京绿烽盛烨节能技术开发有限公司 | A kind of range hood mends wind linkage |
-
2013
- 2013-10-25 CN CN201320662236.2U patent/CN203550107U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194955A (en) * | 2018-01-22 | 2018-06-22 | 北京绿烽盛烨节能技术开发有限公司 | A kind of range hood mends wind linkage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |