CN107168396A - Radio-frequency unit applied to high altitude environment - Google Patents
Radio-frequency unit applied to high altitude environment Download PDFInfo
- Publication number
- CN107168396A CN107168396A CN201710470112.7A CN201710470112A CN107168396A CN 107168396 A CN107168396 A CN 107168396A CN 201710470112 A CN201710470112 A CN 201710470112A CN 107168396 A CN107168396 A CN 107168396A
- Authority
- CN
- China
- Prior art keywords
- pressure
- regulating box
- pressure regulating
- microwave device
- valve
- 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.)
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3888—Arrangements for carrying or protecting transceivers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses the radio-frequency unit applied to high altitude environment, including microwave device, pressure regulator valve, sealing pipeline, pressure regulating box, gas cylinder, magnetic valve and control device；The inside of microwave device is communicated in inside pressure regulating box by sealing pipeline；Pressure regulator valve is arranged on sealing pipeline, and adjusts air pressure so that pressure regulating box is identical with the air pressure inside microwave device；Gas cylinder is communicated in pressure regulating box, and sets magnetic valve in connectivity part；Control device is arranged inside pressure regulating box；Control device includes：Baroceptor for detecting pressure regulating box air pressure inside；For pressure regulating box air pressure inside be less than threshold value when opens solenoid valve, and pressure regulating box air pressure inside be higher than threshold value when close magnetic valve control module.The present invention is applied to the radio-frequency unit of high altitude environment, draws the less sealing pipeline communication microwave device of a plurality of size from pressure regulating box, realizes and multigroup microwave device internal pressure is adjusted, has ensured that microwave device uses safety.
Description
Technical field
The present invention relates to field of microwave communication, and in particular to the radio-frequency unit applied to high altitude environment.
Background technology
High aititude typically refers to the region of more than 2000m height above sea level, with the development of traffic transporting technology, and Qinghai-Tibet Railway is
It is open to traffic, while Sichuan-Tibet railway is also in smooth construction, the region that these circuits pass through is High aititude region, meanwhile, aircraft institute
The flight environment of vehicle at place is universal in 7000~12000 height.In the environment of such height, air pressure can decline to a great extent, so that microwave
Device can because of air pressure change generative center frequency shift (FS) or impedance variations, or even there is under high-power electric arc, produce danger
Danger.
In the prior art, because the size of microwave device is smaller, it can only be kept by sealed mode inside microwave device
Air pressure, but sealedly mode is when inside and outside differential pressure is larger, it may occur that quick gas leakage, so that the pressure in microwave device
It can not be protected in High aititude region.
The content of the invention
The technical problems to be solved by the invention be the sealing means of existing microwave device when inside and outside differential pressure is larger, meeting
The quick gas leakage of generation, so that the pressure in microwave device can not be protected in High aititude region, it is therefore intended that provide
Applied to the radio-frequency unit of high altitude environment, solve the above problems.
The present invention is achieved through the following technical solutions：
Applied to the radio-frequency unit of high altitude environment, including microwave device, pressure regulator valve, sealing pipeline, pressure regulating box, gas cylinder,
Magnetic valve and control device；The inside of the microwave device is communicated in inside pressure regulating box by sealing pipeline；The pressure regulator valve is set
It is placed on sealing pipeline, and adjusts air pressure so that pressure regulating box is identical with the air pressure inside microwave device；The gas cylinder is communicated in tune
Case is pressed, and magnetic valve is set in connectivity part；The control device is arranged inside pressure regulating box；The control device includes：For
Detect the baroceptor of pressure regulating box air pressure inside；For the opens solenoid valve when pressure regulating box air pressure inside is less than threshold value, and
Pressure regulating box air pressure inside closes the control module of magnetic valve when being higher than threshold value.
In the prior art, under high altitude environment, air pressure can decline to a great extent, so that microwave device can be sent out because of air pressure change
Raw carrier deviation or impedance variations, or even there is electric arc under high-power, produce dangerous.And due to the chi of microwave device
Very little smaller, existing mode can only keep microwave device air pressure inside by sealed mode, but sealedly mode is inside and outside
When pressure difference is larger, it may occur that quick gas leakage, so that the pressure in microwave device can not be protected in High aititude region.
When the present invention is applied, pressure regulating box will be communicated in by sealing pipeline inside microwave device, and cause by pressure regulation valve regulation air pressure
Pressure regulating box is identical with the air pressure inside microwave device, then the pressure exchanged by control module and baroceptor in pressure case is carried out
Regulation, so that using pressure regulating box as pressure buffer point, then from pressure regulating box draws the less sealing pipeline communication microwave of a plurality of size
Device, realizes and multigroup microwave device internal pressure is adjusted, and has ensured that microwave device uses safety.
Further, dividing plate is set inside the pressure regulator valve；Pressure regulator valve inner space is divided between low pressure by the dividing plate
And high-tension room；Microwave device is communicated between the low pressure, and the high-tension room is communicated in pressure regulating box；Set and open on the dividing plate
Hole, and sealing valve head is set towards place between low pressure in perforate；The size of the sealing valve head is more than the size of perforate；The sealing
Valve head is connected to pressure regulator valve inwall by damping spring, and during damping spring relaxation, sealing valve head seals perforate.
When the present invention is applied, when the air pressure reduction in microwave device, the compression of sealing valve head both sides is different, so that high-tension room
Air extrusion sealing valve head, and then compression damping spring, damping spring deformation seals valve head displacement, and perforate is opened, between low pressure
Convection current occurs between the air of high-tension room so that with the pressure balance of high-tension room between low pressure, and then realize in microwave device
With the pressure balance in pressure regulating box.The present invention inside microwave device and near electronic component need not be set, so as to avoid
Interference of the electronic component to microwave device.
Seal valve head
Further, the magnetic valve uses non-return magnetic valve.
Further, the pressure inside the microwave device and pressure regulating box is disposed as 99kPa~105kPa.
Further, in addition to it is arranged at sealing pipeline and is communicated in moisture removing net at the inside of microwave device.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention is applied to the radio-frequency unit of high altitude environment, and a plurality of less sealing pipeline of size is drawn from pressure regulating box
Microwave device is connected, realizes and multigroup microwave device internal pressure is adjusted, has ensured that microwave device uses safety；
2nd, the present invention be applied to high altitude environment radio-frequency unit, inside microwave device and near electronics need not be set
Element, so as to avoid interference of the electronic component to microwave device.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is pressure regulator valve structural representation of the present invention.
Mark and corresponding parts title in accompanying drawing：
1- microwave devices, 2- pressure regulator valves, 3- sealing pipelines, 4- pressure regulating boxs, 5- gas cylinders, 6- magnetic valves, 7- control devices, 8-
Between moisture removing net, 21- low pressure, 22- high-tension rooms, 23- dividing plates, 24- sealing valve heads, 25- damping springs.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1
As shown in figure 1, the present invention is applied to the radio-frequency unit of high altitude environment, including microwave device 1, pressure regulator valve 2, sealing
Pipeline 3, pressure regulating box 4, gas cylinder 5, magnetic valve 6 and control device 7；The inside of the microwave device 1 is communicated in by sealing pipeline 3
Inside pressure regulating box 4；The pressure regulator valve 2 is arranged on sealing pipeline 3, and adjusts air pressure so that inside pressure regulating box 4 and microwave device 1
Air pressure it is identical；The gas cylinder 5 is communicated in pressure regulating box 4, and sets magnetic valve 6 in connectivity part；The control device 7 is arranged at tune
Press inside case 4；The control device 7 includes：Baroceptor for detecting the air pressure inside of pressure regulating box 4；For in pressure regulating box 4
Air pressure inside be less than threshold value when opens solenoid valve 6, and the air pressure inside of pressure regulating box 4 be higher than threshold value when close magnetic valve 6 control
Module.
When the present embodiment is implemented, pressure regulating box 4 will be communicated in by sealing pipeline 3 inside microwave device 1, and pass through pressure regulator valve
2 regulation air pressure cause pressure regulating box 4 identical with the air pressure inside microwave device 1, then are exchanged by control module and baroceptor
Pressure in pressure case 4 is adjusted, so that using pressure regulating box 4 as pressure buffer point, then from pressure regulating box 4 to draw a plurality of size smaller
Sealing pipeline 3 connection microwave device 1, realize and multigroup internal pressure of microwave device 1 be adjusted, ensured microwave device
1 uses safety.
Embodiment 2
As shown in Fig. 2 the present embodiment is on the basis of embodiment 1, the inside of pressure regulator valve 2 sets dividing plate 23；It is described every
The inner space of pressure regulator valve 2 is divided between low pressure 21 and high-tension room 22 by plate 23；21 are communicated in microwave device 1 between the low pressure, and
The high-tension room 22 is communicated in pressure regulating box 4；Perforate is set on the dividing plate 23, and sealed in perforate towards setting between low pressure 21
Valve head 24；The size of the sealing valve head 24 is more than the size of perforate；The sealing valve head 24 is connected to by damping spring 25
The inwall of pressure regulator valve 2, and during the relaxation of damping spring 25, sealing valve head 24 seals perforate.
When the present embodiment is implemented, when the air pressure reduction in microwave device 1, the compression of sealing valve head 3 both sides is different, so that high
22 air extrusion sealing valve head 24 between pressure, and then compression damping spring 25, damping spring 25 are deformed, and seal the displacement of valve head 24,
Perforate is opened, and occurs convection current between 21 and the air of high-tension room 22 between low pressure so that between low pressure 21 and the pressure of high-tension room 22 put down
Weighing apparatus, and then realize the pressure balance in microwave device 1 and in pressure regulating box 4.
Embodiment 3
The present embodiment is on the basis of embodiment 1, and the magnetic valve 6 uses non-return magnetic valve.The microwave device 1 and tune
Pressure inside pressure case 4 is disposed as 99kPa~105kPa.Also the interior of microwave device 1 is communicated in including being arranged at sealing pipeline 3
Moisture removing net 8 at portion.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (5)
1. the radio-frequency unit applied to high altitude environment, it is characterised in that including microwave device (1), pressure regulator valve (2), seal pipe
Road (3), pressure regulating box (4), gas cylinder (5), magnetic valve (6) and control device (7)；The inside of the microwave device (1) passes through sealing
It is internal that pipeline (3) is communicated in pressure regulating box (4)；The pressure regulator valve (2) is arranged in sealing pipeline (3), and is adjusted air pressure and caused tune
Press case (4) identical with the air pressure that microwave device (1) is internal；The gas cylinder (5) is communicated in pressure regulating box (4), and is set in connectivity part
Magnetic valve (6)；It is internal that the control device (7) is arranged at pressure regulating box (4)；The control device (7) includes：
Baroceptor for detecting pressure regulating box (4) air pressure inside；
For the opens solenoid valve (6) when pressure regulating box (4) air pressure inside is less than threshold value, and it is higher than in pressure regulating box (4) air pressure inside
The control module of magnetic valve (6) is closed during threshold value.
2. the radio-frequency unit according to claim 1 applied to high altitude environment, it is characterised in that the pressure regulator valve (2)
Inside sets dividing plate (23)；Pressure regulator valve (2) inner space is divided into (21) and high-tension room (22) between low pressure by the dividing plate (23)；
(21) are communicated in microwave device (1) between the low pressure, and the high-tension room (22) is communicated in pressure regulating box (4)；The dividing plate (23)
Upper setting perforate, and sealing valve head (24) is set towards (21) place between low pressure in perforate；The size of the sealing valve head (24) is big
In the size of perforate；The sealing valve head (24) is connected to pressure regulator valve (2) inwall, and damping spring by damping spring (25)
(25) during relaxation, sealing valve head (24) seals perforate.
3. the radio-frequency unit according to claim 1 applied to high altitude environment, it is characterised in that the magnetic valve (6)
Using non-return magnetic valve.
4. the radio-frequency unit according to claim 1 applied to high altitude environment, it is characterised in that the microwave device
And the internal pressure of pressure regulating box (4) is disposed as 99kPa~105kPa (1).
5. the radio-frequency unit according to claim 1 applied to high altitude environment, it is characterised in that also close including being arranged at
Tube sealing road (3) is communicated in the moisture removing net (8) at the inside of microwave device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470112.7A CN107168396A (en) | 2017-06-20 | 2017-06-20 | Radio-frequency unit applied to high altitude environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470112.7A CN107168396A (en) | 2017-06-20 | 2017-06-20 | Radio-frequency unit applied to high altitude environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107168396A true CN107168396A (en) | 2017-09-15 |
Family
ID=59819888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710470112.7A Withdrawn CN107168396A (en) | 2017-06-20 | 2017-06-20 | Radio-frequency unit applied to high altitude environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107168396A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448495U (en) * | 2009-05-22 | 2010-05-05 | 张家和 | Pressure-reducing valve |
| CN101706342A (en) * | 2003-05-09 | 2010-05-12 | 克诺尔布莱姆斯轨道系统英国有限公司 | Pressure equalisation device |
| DE102013100324A1 (en) * | 2013-01-14 | 2014-07-17 | Wachendorff Elektronik Gmbh & Co. Kg | Device for use as e.g. operating device in agricultural machine, has gastight membrane for gas-tightly sealing drying area against setting area and designed in deformable or displaceable manner for pressure equalization in drying area |
| CN104834327A (en) * | 2015-05-04 | 2015-08-12 | 天津博益气动股份有限公司 | Sealing package box pressure control device |
| CN105576545A (en) * | 2016-02-22 | 2016-05-11 | 江苏亿能电气有限公司 | Online intelligent voltage stabilizing system of SF6 ring main unit |
| CN105889586A (en) * | 2016-06-17 | 2016-08-24 | 湖南科技学院 | Automatic constant pressure regulation device |
| US20170112007A1 (en) * | 2015-10-15 | 2017-04-20 | Brose Fahrzeugteile Gmbh & Co. Kg, Bamberg | Electronic housing and manufacturing method |
| US9667297B1 (en) * | 2015-12-18 | 2017-05-30 | Motorola Solutions, Inc. | Apparatus and method for venting and sealing a portable communication device |
-
2017
- 2017-06-20 CN CN201710470112.7A patent/CN107168396A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706342A (en) * | 2003-05-09 | 2010-05-12 | 克诺尔布莱姆斯轨道系统英国有限公司 | Pressure equalisation device |
| CN201448495U (en) * | 2009-05-22 | 2010-05-05 | 张家和 | Pressure-reducing valve |
| DE102013100324A1 (en) * | 2013-01-14 | 2014-07-17 | Wachendorff Elektronik Gmbh & Co. Kg | Device for use as e.g. operating device in agricultural machine, has gastight membrane for gas-tightly sealing drying area against setting area and designed in deformable or displaceable manner for pressure equalization in drying area |
| CN104834327A (en) * | 2015-05-04 | 2015-08-12 | 天津博益气动股份有限公司 | Sealing package box pressure control device |
| US20170112007A1 (en) * | 2015-10-15 | 2017-04-20 | Brose Fahrzeugteile Gmbh & Co. Kg, Bamberg | Electronic housing and manufacturing method |
| US9667297B1 (en) * | 2015-12-18 | 2017-05-30 | Motorola Solutions, Inc. | Apparatus and method for venting and sealing a portable communication device |
| CN105576545A (en) * | 2016-02-22 | 2016-05-11 | 江苏亿能电气有限公司 | Online intelligent voltage stabilizing system of SF6 ring main unit |
| CN105889586A (en) * | 2016-06-17 | 2016-08-24 | 湖南科技学院 | Automatic constant pressure regulation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170915 |
|
| WW01 | Invention patent application withdrawn after publication |