CN208706536U - Baroswitch and the wall-hung boiler control assembly for using the baroswitch - Google Patents
Baroswitch and the wall-hung boiler control assembly for using the baroswitch Download PDFInfo
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- CN208706536U CN208706536U CN201820911643.5U CN201820911643U CN208706536U CN 208706536 U CN208706536 U CN 208706536U CN 201820911643 U CN201820911643 U CN 201820911643U CN 208706536 U CN208706536 U CN 208706536U
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- baroswitch
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Abstract
This application discloses a kind of baroswitch and using the wall-hung boiler control assembly of the baroswitch, it is configured to be connected in wall-hung boiler, the baroswitch includes: the Venturi effect unit that wall-hung boiler exhanst gas outlet is arranged in；Baroswitch main body, the baroswitch body interior is separated to form closed first chamber and second chamber by a fexible film, wherein, the first chamber is connected to the first position of the Venturi effect unit, and the second chamber is connected to the second position of the Venturi effect unit；The fexible film is provided with conductive region；Two detection probes spaced apart are additionally provided in second airtight chamber, when the draught head between the first chamber and the second chamber reaches given threshold, deformation occurs makes the conductive region and the probe contacts for the fexible film.
Description
Technical field
The utility model relates to a kind of baroswitches, the more particularly, to baroswitch in wall-hung boiler and control group
Part.
Background technique
Baroswitch (air pressure switch, APS) is widely used in wall-hung boiler, to detect wall-hung boiler cigarette
Whether the air-flow of gas outlet meets preset requirement, and in this, as judging the important parameter of wall-hung boiler whether normal operation.Such as
Shown in Fig. 1, in the prior art, baroswitch generally includes two closed chambers 1,2, separates the flexibility of the two chambers 1,2
Film 3, exhanst gas outlet 6 is set and be connected to respectively with chamber 1,2 gas collecting adjustment device 7 and one include bullet
The normally opened circuit of piece switch 5.Wherein, fexible film 3 is provided centrally with a push rod 4, when gas collecting adjustment device 7 is in cigarette
It is flexible when making the gas pressure imbalance inside baroswitch middle chamber 1,2 after collected air-flow is adjusted at gas outlet 6
From chamber 1 to chamber 2, deformation occurs under the influence of air pressure for film 3, and the push rod 4 being arranged on fexible film 3 is pushed and is closed
Elastic sheet switch 5 in circuit, so that circuit is connected and sends corresponding signal according to presetting to controller.However, existing
Baroswitch itself need to occupy biggish space, be not suitable for the Domestic wall furnace of small volume, and push rod 4 is opened with elastic slice
Phenomena such as contact surface closed between 5 is narrow, and contact is unstable, is easy to happen accidentally touching or poor contact.
For this reason, it may be necessary to propose a kind of design that can improve existing baroswitch, energy stable application is in Domestic wall furnace.
Utility model content
The purpose of this utility model is that proposing a kind of baroswitch suitable for Domestic wall furnace.
To realize this purpose, this application discloses a kind of baroswitch, it is configured to be connected in wall-hung boiler, institute
Stating baroswitch includes:
The Venturi effect unit of wall-hung boiler exhanst gas outlet is set；
Baroswitch main body, the baroswitch body interior by a fexible film be separated to form closed first chamber and
Second chamber, wherein the first chamber is connected to the first position of the Venturi effect unit, the second chamber and institute
State the second position connection of Venturi effect unit；The fexible film is provided with conductive region；
Two detection probes spaced apart are additionally provided in second airtight chamber, when the first chamber and described the
When draught head between two chambers reaches given threshold, deformation occurs makes the conductive region and the spy for the fexible film
Head contact.
In feasible embodiment, the first position of the Venturi effect unit is its Entry Interface, the second position
For its venturi.
In feasible embodiment, described two detection probes are two semicircular arcs being oppositely arranged.
In feasible embodiment, described two detection probes are two V-shapes being oppositely arranged or Qian font.
In feasible embodiment, an elastic element is also set up between described two detection probes；The elastic element
In a relaxed state, top compared with two detection probes top closer to the fexible film conductive region.
In feasible embodiment, the elastic element is elastic element made of insulating materials.
In feasible embodiment, it is not contacted between the elastic element and described two detection probes.
In feasible embodiment, the center of the fexible film is arranged in the conductive region.
In feasible embodiment, the conductive region is configured to from the fexible film to the detection probe side
To the dome-type of protrusion.
The application also discloses a kind of wall-hung boiler control assembly, including controller and is connected to the aforementioned of the controller
Baroswitch, when the air pressure of the first chamber is greater than the air pressure of the second chamber until pushing the conduction of the fexible film
When region and two detection probes contact, the controller receives circuit conducting information.
By using the above-mentioned baroswitch of the application, the compact of the baroswitch and reliable and stable.
Detailed description of the invention
The various aspects of the application, including its specific features and advantage, all will be easily from features as discussed above
It is understood:
Fig. 1 is the schematic diagram of the prior art；
Fig. 2 is a kind of schematic diagram of specific embodiment of the application；
Fig. 3 is the schematic diagram of detection probe in a kind of specific embodiment of the application.
Specific embodiment
The application is more completely described with reference to the accompanying drawings, shown in the drawings of exemplary embodiment.However, the application
It should not be considered as being limited to embodiment listed in this article.As the application those of ordinary skill in the art it is readily comprehensible that
The feature of sample, disclosed exemplary embodiment can combine.Similar reference number refers to similar element in the whole text.For letter
For the sake of bright and clear, well-known function and structure be will not be described in detail.
As shown in Fig. 2, to realize that this purpose is configured to be connected to this application discloses a kind of baroswitch
In wall-hung boiler, the baroswitch includes: the Venturi effect unit 80 that wall-hung boiler exhanst gas outlet is arranged in, baroswitch master
Body, the baroswitch body interior are separated to form closed first chamber by the fexible film 30 that one is provided with conductive region 40
10 and second chamber 20, wherein the first chamber 10 passes through the first position of pipeline 71 and the Venturi effect unit 80
Connection, the second chamber 20 are connected to by pipeline 72 with the second position of the Venturi effect unit 80.It is specific real at this
It applies in mode, the first position of the Venturi effect unit 80 is its Entry Interface, for surveying total gas pressure；The second position
For its venturi, for surveying gas static pressure.
It will be understood by those skilled in the art that when flue gas is in Venturi effect 80 internal flow of unit, inside unit
Most narrow place, dynamic pressure reaches maximum value, and static pressure reaches minimum value；The sum of dynamic pressure and static pressure are stagnation pressure
Power.The air pressure obtained at the Entry Interface of Venturi effect unit 80 is gross pressure, and the air pressure obtained at venturi is static pressure
Power.The structure and basic principle of Venturi effect unit 80 be to those skilled in the art it is well known, it is no longer superfluous herein
It states.
It is provided with two detection probes 51,52 spaced apart in the second chamber 20, generates the shape of deformation in no external force
Under state, i.e., the air pressure substantial equilibrium of first chamber 10 and second chamber 20 when, the conductive region 40 and two of the fexible film 30
There is gap, i.e., the conductive region 40 of the described fexible film 30 and two detections are visited between a detection probe 51,52
It is not contacted between first 51,52；And when flue gas emission to reach the first chamber 10 and described second through venturi unit 80
When the draught head of flue gas reaches given threshold in chamber 20, the fexible film 30 deformation occurs make the conductive region 40 with
51,52 contact of probe, turning circuit.It will be understood to those skilled in the art that the size of the threshold value is according to actual needs
It is set.
In conjunction with shown in Fig. 2 and Fig. 3, in this embodiment, described two detection probes 51,52 are oppositely arranged
Two semicircular arcs.Corresponding, the center of the fexible film 30, the conduction is arranged in the conductive region 40
Region 40 is configured to be made of lightweight conductive material, from the fexible film 30 to the detection probe 51,52 directions protrusion
Dome-type.Designing in this way is advantageous in that, compared with the prior art in elastic sheet switch and push rod, conductive region in the application
Contact surface between 40 and detection probe 51,52 is bigger, contacts more stable and reliable.Certainly, in other embodiments, described two
A detection probe 51,52 may be designed in two V-shapes being for example oppositely arranged or Qian font, conductive region 40 can bases
The shape of detection probe is designed as raised or not raised other shapes, in order to be steadily contacted.
At the same time, fexible film 30 because of self gravity or is influenced to be not intended to by external shock in order to prevent
Slight deformation, to contact by mistake between detection probe 51,52, in some embodiments, described two detections are visited
One elastic element 60 can also be set between first 51,52.In a relaxed state, top 61 is compared with two institutes for the elastic element 60
The top of detection probe 51,52 is stated closer to the conductive region 40 of the fexible film 30, to avoid leading for fexible film 30
Electric region 40 accidentally contacts that detection probe 51,52 forms wrong report.The elastic element 60 is, for example, spring or elastic rubber column etc..
In addition, 60 self-contact of elastic element is reported by mistake to detection probe 51,52 in order to prevent, the elastic element 60 can be used
Insulating materials is made, or in such as present embodiment, less than two detection probes 51,52 of diameter of the elastic element 60
The internal diameter of the annulus surrounded, so that not contacted between the elastic element 60 and described two detection probes 51,52.
The application also discloses a kind of wall-hung boiler control assembly, including controller (not shown) and is connected to the control
Device baroswitch above-mentioned.When the flue gas for passing through 80 different location of venturi unit respectively enters first chamber through pipeline 71,72
10 and second chamber 20, and the air pressure of the first chamber 10 is greater than the air pressure of the second chamber 20 until pushing the flexibility
When the conductive region 40 of film 30 and two detection probes 51,52 contact, the controller receives circuit Continuity signal,
In this, as a parameter for judging wall hanging kiln gas normal discharge.The connection type and controller of controller and baroswitch
The mode of receiving and transmitting signal is well known to the skilled person, and details are not described herein again.
Although the application is described in detail referring to embodiment, it is to be understood that, aforementioned is only exemplary embodiment
Illustration, the application is not limited to disclosed specific embodiment, to the modification of the disclosed embodiments, disclosed embodiment
The combination of feature and other embodiments are embraced in scope of the appended claims.
Claims (10)
1. a kind of baroswitch is configured to be connected in wall-hung boiler, which is characterized in that the baroswitch includes:
The Venturi effect unit of wall-hung boiler exhanst gas outlet is set；
Baroswitch main body, the baroswitch body interior are separated to form closed first chamber and second by a fexible film
Chamber, wherein the first chamber is connected to the first position of the Venturi effect unit, the second chamber and the text
The second position connection of effect unit in mound；The fexible film is provided with conductive region；
Two detection probes spaced apart are additionally provided in the second chamber, when the first chamber and the second chamber it
Between draught head when reaching given threshold, deformation occurs makes the conductive region and the probe contacts for the fexible film.
2. baroswitch according to claim 1, which is characterized in that the first position of the Venturi effect unit is it
Entry Interface, the second position are its venturi.
3. baroswitch according to claim 1, which is characterized in that described two detection probes are two be oppositely arranged
Semicircular arc.
4. baroswitch according to claim 1, which is characterized in that described two detection probes are two be oppositely arranged
V-shape or Qian font.
5. baroswitch according to claim 1, which is characterized in that also set up an elasticity between described two detection probes
Element；The elastic element in a relaxed state, top compared with two detection probes top closer to the flexible thin
The conductive region of film.
6. baroswitch according to claim 5, which is characterized in that the elastic element is elasticity made of insulating materials
Element.
7. baroswitch according to claim 5, which is characterized in that the elastic element and described two detection probes it
Between do not contact.
8. baroswitch according to claim 1, which is characterized in that the fexible film is arranged in the conductive region
Center.
9. baroswitch according to claim 8, which is characterized in that the conductive region is configured to from the flexible thin
Dome-type of the film to the detection probe direction protrusion.
10. a kind of wall-hung boiler control assembly, which is characterized in that including controller and be connected to the controller such as claim
Baroswitch described in any one of 1-9, when the conductive region of the fexible film and two detection probes contact,
The controller receives circuit conducting information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911643.5U CN208706536U (en) | 2018-06-13 | 2018-06-13 | Baroswitch and the wall-hung boiler control assembly for using the baroswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911643.5U CN208706536U (en) | 2018-06-13 | 2018-06-13 | Baroswitch and the wall-hung boiler control assembly for using the baroswitch |
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| Publication Number | Publication Date |
|---|---|
| CN208706536U true CN208706536U (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820911643.5U Active CN208706536U (en) | 2018-06-13 | 2018-06-13 | Baroswitch and the wall-hung boiler control assembly for using the baroswitch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535428A (en) * | 2020-12-08 | 2021-03-23 | 深圳市银星智能科技股份有限公司 | Anhydrous detection device and cleaning robot |
-
2018
- 2018-06-13 CN CN201820911643.5U patent/CN208706536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535428A (en) * | 2020-12-08 | 2021-03-23 | 深圳市银星智能科技股份有限公司 | Anhydrous detection device and cleaning robot |
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