CN206695274U - Airduct foreign matter trap setting - Google Patents
Airduct foreign matter trap setting Download PDFInfo
- Publication number
- CN206695274U CN206695274U CN201720432564.1U CN201720432564U CN206695274U CN 206695274 U CN206695274 U CN 206695274U CN 201720432564 U CN201720432564 U CN 201720432564U CN 206695274 U CN206695274 U CN 206695274U
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- China
- Prior art keywords
- airduct
- foreign matter
- isolating valve
- capture region
- pressure
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Abstract
A kind of airduct foreign matter trap setting is the utility model is related to, including：The first isolating valve being installed in airduct；Capture region is formed between the second isolating valve being installed in the airduct, and first isolating valve；For the controlling switch for controlling first isolating valve and second isolating valve to open and close；It is installed in the airduct and positioned at the infrared detector of the capture region, formed with the infrared curtain region for covering the airduct cross section, foreign matter is sensed by the infrared curtain region to exist, and controls first isolating valve and second isolating valve to close so as to which the capture region be closed by the controlling switch in the presence of having foreign matter；The access hole for being opened on the airduct and being connected with the capture region, access cover is covered with the access hole.Airduct foreign matter trap setting of the present utility model effectively carries out isolation seizure to the foreign matter occurred in airduct, avoids foreign matter and occurs impacting airduct and hidden danger.
Description
Technical field
The field of foreign material catcher tool in airduct is the utility model is related to, refers in particular to a kind of airduct foreign matter trap setting.
Background technology
With air-conditioning, the development of Heating, Ventilation and Air Conditioning (HVAC) Technology, central air conditioner system is applied in all kinds of building already, such as：Factory building, purchase
Thing center, business offices, large-scale sales field, high-end residential building etc., it is different according to the demand of all kinds of buildings, in each Ventilator Room
Different air-treatment cabinets (AHU), Fresh air handing cabinet (FAU), PAU (PAU) etc., each floor airduct loop are set
In there is fresh wind tube, backwind tube, exhaust duct and corresponding air-valve to control, switch wind direction.But these equipment are all gone back at that time
It is to be combined by mechanical action and manual operation, it is very inconvenient.
With the development of building automation system (abbreviation BAS), the technology is combined with heating ventilation air-conditioning system technology, made in fact
Collecting and distributing control is showed.BAS uses field controller, the various sensors such as desktop computer and DDC, PLC (such as：It is temperature sensor, wet
Spend sensor, pressure difference switch, carbon dioxide sensor, carbon monoxide transducer etc.), it is each that whole system is undertaken by fieldbus
The communication task of equipment, is finally shown by Central Control Room end host computer, is entered according to the actual requirements by professional and technical personnel
The regulation of row relevant device.
But due to addition of the industries such as food and drink in business offices and market, make occur increasing foreign matter in airduct
(including toy), such as：Mouse and its excreta, cockroach etc., no small influence and hidden danger are caused on airduct operation, and to people's
Health threatens.Although there is filters at different levels in air-conditioning system airduct, but foreign matter can not be effectively isolated and
Catch.Therefore property field is strong to the demand of airduct foreign matter trap setting at present.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, there is provided a kind of airduct foreign matter trap setting, solve
Impacted because there is foreign matter in existing airduct with hidden danger and the problem of threatened to health and existing filtering
The problem of device can not be effectively isolated and be caught to foreign matter.
Realizing the technical scheme of above-mentioned purpose is：
The utility model provides a kind of airduct foreign matter trap setting, including：
The first isolating valve being installed in airduct；
The second isolating valve being installed in the airduct, it is installed with and sets between second isolating valve and first isolating valve
Determining deviation, capture region is formed between second isolating valve and first isolating valve；
Connected with first isolating valve and second isolating valve control and for controlling first isolating valve and described
The controlling switch that second isolating valve opens and closes；
It is installed in the airduct and positioned at the infrared detector of the capture region, the infrared detector and the control
System switch connection, the infrared detector is formed with the infrared curtain region for covering the airduct cross section, by described infrared
Curtain region sensing foreign matter is present, and first isolating valve and described the are controlled by the controlling switch in the presence of having foreign matter
Two isolating valves are closed so as to which the capture region be closed；And
The access hole for being opened on the airduct and being connected with the capture region, maintenance is covered with the access hole
Lid.
Using whether having foreign matter appearance in infrared detector monitoring capture region, infrared detector shape has been blocked when there is foreign matter
Into infrared curtain region when, the infrared detector judges have foreign matter to appear in capture region, and then infrared detector passes through control
System switch closes the first isolating valve and the second isolating valve so that foreign matter, is thus effectively isolated in by capture region closing
In capture region, then it is manually that foreign body, airduct foreign matter trap setting of the present utility model is effective by access hole
Isolation seizure is carried out to the foreign matter that occurs in airduct, avoid foreign matter and occur impacting airduct and hidden danger, also solve
The problem of existing filter can not be effectively isolated and be caught to foreign matter.
The utility model airduct foreign matter trap setting further improvement is that, in addition to be installed on the airduct
One pressure difference switch and the alarm being connected with first pressure difference switch, first pressure difference switch sense the pressure in capture region
With the pressure at the adjacent place of the capture region in power and airduct, in the pressure and airduct in capture region with the capture area
The pressure at the adjacent place in domain controls the alarm to be alarmed when differing.
The utility model airduct foreign matter trap setting further improvement is that, in addition to be installed on the airduct and with
Second pressure difference switch of the first pressure difference switch series connection, second pressure difference switch connect the alarm, second pressure
Pressure in pressure and airduct in difference switch sensing capture region with the adjacent place of the capture region, in capture region
The alarm is controlled to be alarmed when being differed in pressure and airduct with the pressure at the adjacent place of the capture region.
The utility model airduct foreign matter trap setting further improvement is that, first pressure difference switch be installed in correspondingly
The opening position of first isolating valve, second pressure difference switch are installed in the opening position of corresponding second isolating valve.
The utility model airduct foreign matter trap setting further improvement is that, the infrared detector for it is multiple and be spaced
Set.
The utility model airduct foreign matter trap setting further improvement is that, company parallel with one another between multiple infrared detectors
Connect or be connected in series with each other.
The utility model airduct foreign matter trap setting further improvement is that, the access hole for it is multiple and interval set
Put.
Brief description of the drawings
Fig. 1 is the schematic diagram that the utility model airduct foreign matter trap setting is installed in airduct.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the utility model provides a kind of airduct foreign matter trap setting, for appearing in the foreign matter in airduct
(including toy) carries out effective isolation and caught, and its operation principle is：During blower fan normal operation, the first isolating valve and second every
Opened from valve so that airduct is normally divulged information, and when there is foreign matter to enter in Gas inlet tube, foreign matter is formed infrared by infrared detector
Curtain region so that infrared detector controls the first isolating valve and the second isolating valve to close by controlling switch, and airduct is blocked,
So as to which capture region be closed, realize and foreign matter is isolated in capture region, then manually by access hole by airduct
Foreign body.Airduct foreign matter trap setting of the present utility model effectively carries out isolation to the foreign matter occurred in airduct and caught
Catch, avoid foreign matter and occur impacting airduct and hidden danger, also solving existing filter can not have to foreign matter
The problem of effect isolation and seizure.The structure of the utility model airduct foreign matter trap setting is illustrated below in conjunction with the accompanying drawings.
It is arranged at as shown in figure 1, the utility model is in charge of foreign matter trap setting 21 on airduct 11, for going out in airduct 11
Existing foreign matter is isolated and caught, the foreign matter such as toy, other debris etc., and the trap setting 21 includes the first isolating valve
211st, the second isolating valve 212, controlling switch, infrared detector 214, access hole 215 and access cover 216, the first isolating valve 211
It is installed in airduct 11, the second isolating valve 212 is also installed in airduct 11, between the isolating valve 211 of the second isolating valve 212 and first
Setting spacing is installed with, capture region 213, the capture region are formed between the isolating valve 211 of the second isolating valve 212 and first
213 in airduct 11, and capture region 213 is one section of tube wall of airduct 11 and the first isolating valve 211 and the institute of the second isolating valve 212
Enclose the region to be formed；Controlling switch connects with the first isolating valve 211 and the control of the second isolating valve 212, and controlling switch is used to control
The keying of the first isolating valve 211 and the second isolating valve 212 is made, when controlling switch controls the first isolating valve 211 and the second isolating valve
212 when opening, and the airduct 11 be ventilation state, and capture region 213 be open mode, and the air-flow direction in airduct 11 is just
To F, the second side 112 is flowed to from the first side 111 of airduct 11, when controlling switch controls the first isolating valve 211 and the second isolating valve
During 212 closing, the airduct 11 is closed state, and capture region 213 is closed state, prevents the air flow in airduct 11.
Infrared detector 214 is installed in airduct 11 and at capture region 213, and infrared detector 214 is connected with controlling switch, is led to
Infrared detector 214 is crossed to control the folding of the controlling switch, so as to realize the first isolating valve 211 of control and the second isolating valve
212 keying；Infrared curtain region of the infrared detector 214 formed with covering airduct 11 cross section in capture region 213
2141, foreign matter is sensed by the infrared curtain region 2141 and existed, infrared detector 214 is opened by control in the presence of having foreign matter
Close the first isolating valve 211 of control and the second isolating valve 212 is closed so as to which capture region 213 be closed, after capture region 213 is closed
Just the foreign matter that infrared detector 214 senses is isolated in capture region 213.Access hole 215 is opened on airduct 11, should
Access hole 215 is connected with capture region 213, and access cover 216 is covered with the access hole 215, will be examined by access cover 216
Repair mouth 215 to close, ensure the ventilation function of airduct 11, when needing maintenance, access hole 215 is opened by access cover 216, is easy to
Maintainer is overhauled.After capture region 213 is closed, isolating in capture region 213 has foreign matter, can pass through access hole
Foreign matter is caught and removed out of airduct 11 by 215.
The utility model monitors in capture region whether have foreign matter appearance using infrared detector, red when there is foreign matter to block
During the infrared curtain region that external detector is formed, the infrared detector judges have foreign matter to appear in capture region, and then infrared spy
Survey device and the first isolating valve and the second isolating valve are closed so that capture region is closed by controlling switch, thus have foreign matter
Effect is isolated in capture region, then is manually caught foreign body, airduct foreign matter of the present utility model by access hole
Catch device and isolation seizure effectively carried out to the foreign matter occurred in airduct, avoid foreign matter occur airduct is impacted with it is hidden
Suffer from, also solve the problem of existing filter can not be effectively isolated and be caught to foreign matter.
As a better embodiment of the present utility model, the trap setting 21 also includes first be installed on airduct 11
Pressure difference switch 217 and the alarm being connected with the first pressure difference switch 217, first pressure difference switch 217 are sensed in capture region 213
Pressure and airduct 11 in the pressure at 213 adjacent place of capture region, in the pressure and airduct 11 in capture region 213 with
Alarm is controlled to be alarmed when the pressure at 213 adjacent place of capture region differs.It is preferred that by first pressure difference switch
217 are installed in the opening position of corresponding first isolating valve 211, and the first pressure difference switch 217, which has, is used for two sensings for sensing pressure
Device, one of sensor is located in capture region 213, for sensing the pressure in capture region 213, another sensor
In the airduct 11, the first outside of the isolating valve 211 away from capture region 213, for sense in airduct 11 with capture region 213
The pressure at adjacent place, when the pressure difference that two sensors are sensed, show that capture region 213 now has been closed,
Foreign matter is there are in capture region 213, now the first pressure difference switch 217 control alarm is alarmed, to notify work people
Member takes out foreign matter from access hole 215.
Further, trap setting 21 also includes for being installed on airduct 11 and being connected with the first pressure difference switch 217
Two pressure difference switches 218, the second pressure difference switch 218 connection alarm, the second pressure difference switch 218 sense the pressure in capture region 213
With the pressure at 213 adjacent place of capture region in power and airduct 11, with catching in the pressure and airduct 11 in capture region 213
Alarm is controlled to be alarmed when the pressure at 213 adjacent place of region differs.Utilize the second pressure difference switch 218 and the first pressure difference
The series connection of switch 217, could control alarm to be powered, improve the accuracy rate of alarm when closing together.It is preferred that second pressure difference
Switch 218 is installed in the opening position of corresponding second isolating valve 212, and the second pressure difference switch 218, which has, is used for two that sense pressure
Sensor, one of sensor is located in capture region 213, for sensing the pressure in capture region 213, another sense
Survey device be located in airduct 11, the second outside of the isolating valve 212 away from capture region 213, for sensing, airduct 11 is interior and capture area
The pressure at 213 adjacent place of domain, when the pressure difference that two sensors are sensed, show capture region 213 now
Closing, there are foreign matter, now the second pressure difference switch 217 closes, when the first pressure difference switch 216 also closes in capture region 213
During conjunction, alarm could be controlled to be alarmed, to notify staff to take out foreign matter from access hole 215.In the envelope of capture region 213
After closing, pressure difference be present inside the inside of capture region 213 and the airduct 11 of both sides, when the pressure difference switch of both sides is judged as having
During pressure difference, just alarm is controlled to be alarmed, the situation for avoiding false alarm occurs, and improves the accuracy rate of alarm.
As another better embodiment of the present utility model, infrared detector 214 is multiple and interval setting.It is so logical
Cross the infrared curtain region 2141 that multiple infrared detectors 214 form multiple intervals in capture region 213, it is possible to increase red
The detection sensitivity and accuracy of detection of external detector 214.To provide to the first isolating valve 211 of triggering and second isolating valve 212
The selection on demand of sensitivity, can be parallel with one another between multiple infrared detectors 214 in the utility model, so any one infrared spy
Survey device 214 and be detected with foreign matter presence, you can the first isolating valve 211 of triggering and the second isolating valve 212 are closed, and sensitivity is higher；
Multiple infrared detectors 214 can also be serially connected, and so needed all infrared detectors 214 while detected foreign matter presence
It just can trigger the first isolating valve 211 and the second isolating valve 212 closed, sensitivity is relatively low.
As another better embodiment of the present utility model, access hole 215 is multiple and interval setting.Each maintenance
Access cover 216 is covered with mouth 215, can be entered by any one access hole 215 and foreign matter is taken out in airduct 11.
Trap setting 21 of the present utility model can access any BAS system, and be communicated by RS485 bus modes, also may be used
To be transformed on the basis of existing BAS system and HVAC system, and increase associated components, to be user-friendly, save into
This, can be with one self-contained unit of self-contained.The infrared detector wherein used can use curtain-type infrared detector, can be selected
Weakness security protection perimeter alarm system and the infrared alarm detector being put into system of entering the room are currently employed for, mainly utilizes infrared ray
Alarm is triggered when being blocked or not being blocked, and is connected with Central Control Room main frame, to realize the instant alarming of antitheft invasion.Wherein use
To pressure difference switch can use at present that the pressure difference switch that has applied in central air conditioner system, this kind of pressure difference switch were used in
Filter screen both sides, need to clean come prompt alarm screen pack by pressure at both sides difference；Another pressure difference switch, this kind pressure can also be used
Difference switch triggers startup blower fan using airduct external and internal pressure difference.
The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.Thus, some details in embodiment should not be formed to this practicality
New restriction, the utility model will be used as the scope of protection of the utility model using the scope that appended claims define.
Claims (7)
- A kind of 1. airduct foreign matter trap setting, it is characterised in that including：The first isolating valve being installed in airduct；The second isolating valve being installed in the airduct, it is installed between second isolating valve and first isolating valve between setting Away from forming capture region between second isolating valve and first isolating valve；Connected and with first isolating valve and second isolating valve control for controlling first isolating valve and described second The controlling switch that isolating valve opens and closes；It is installed in the airduct and is opened positioned at the infrared detector of the capture region, the infrared detector with the control Connection connects, and the infrared detector passes through the infrared curtain formed with the infrared curtain region for covering the airduct cross section Region sensing foreign matter is present, in the presence of having foreign matter by the controlling switch control first isolating valve and described second every Closed from valve so as to which the capture region be closed；AndThe access hole for being opened on the airduct and being connected with the capture region, access cover is covered with the access hole.
- 2. airduct foreign matter trap setting as claimed in claim 1, it is characterised in that also include the be installed on the airduct One pressure difference switch and the alarm being connected with first pressure difference switch, first pressure difference switch sense the pressure in capture region With the pressure at the adjacent place of the capture region in power and airduct, in the pressure and airduct in capture region with the capture area The pressure at the adjacent place in domain controls the alarm to be alarmed when differing.
- 3. airduct foreign matter trap setting as claimed in claim 2, it is characterised in that also include be installed on the airduct and with Second pressure difference switch of the first pressure difference switch series connection, second pressure difference switch connect the alarm, second pressure Pressure in pressure and airduct in difference switch sensing capture region with the adjacent place of the capture region, in capture region The alarm is controlled to be alarmed when being differed in pressure and airduct with the pressure at the adjacent place of the capture region.
- 4. airduct foreign matter trap setting as claimed in claim 3, it is characterised in that first pressure difference switch is installed in correspondingly The opening position of first isolating valve, second pressure difference switch are installed in the opening position of corresponding second isolating valve.
- 5. airduct foreign matter trap setting as claimed in claim 1, it is characterised in that the infrared detector is multiple and interval Set.
- 6. airduct foreign matter trap setting as claimed in claim 5, it is characterised in that company parallel with one another between multiple infrared detectors Connect or be connected in series with each other.
- 7. airduct foreign matter trap setting as claimed in claim 1, it is characterised in that the access hole sets for multiple and interval Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720432564.1U CN206695274U (en) | 2017-04-24 | 2017-04-24 | Airduct foreign matter trap setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720432564.1U CN206695274U (en) | 2017-04-24 | 2017-04-24 | Airduct foreign matter trap setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695274U true CN206695274U (en) | 2017-12-01 |
Family
ID=60445896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720432564.1U Active CN206695274U (en) | 2017-04-24 | 2017-04-24 | Airduct foreign matter trap setting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206695274U (en) |
-
2017
- 2017-04-24 CN CN201720432564.1U patent/CN206695274U/en active Active
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