CN108684182A - A kind of bin - Google Patents
A kind of bin Download PDFInfo
- Publication number
- CN108684182A CN108684182A CN201810956005.XA CN201810956005A CN108684182A CN 108684182 A CN108684182 A CN 108684182A CN 201810956005 A CN201810956005 A CN 201810956005A CN 108684182 A CN108684182 A CN 108684182A
- Authority
- CN
- China
- Prior art keywords
- babinet
- waterproof
- elastic balloon
- external environment
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/068—Hermetically-sealed casings having a pressure compensation device, e.g. membrane
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of bins, including sealable babinet and elastic balloon arranged in the box body, the import of elastic balloon is connected to babinet external environment, elastic balloon can mutually be squeezed with the gas of babinet interior sealing, and elastic balloon is used to by the way that the gas stored in it to be emitted into external environment or absorb gas from external environment with the pressure of balance box and external environment.Bin provided by the invention, pass through the elastic balloon being connected to external environment being arranged in babinet, air pressure in babinet is consistent with external environment, avoid in babinet because equipment run fever or residing for outdoor environment high temperature due to cause internal pressure excessive, it is unaffected to the work of dust and pressure sensitive component in guard box body.
Description
Technical field
The present invention relates to a kind of bins.
Background technology
With the development of society and advancing by leaps and bounds for industry, the equipment that various industrial circles arrange all kinds of indoor and outdoors will
It asks integrated level height, occupied space few, and arranges the relevant auxiliary bin of main equipment on the spot, reach measurement, control, protection, biography
The functions site such as defeated, inspection is arranged as a kind of technological trend, this just makes the various indoor and outdoors of specific different function cloth on the spot
The quantity for the bin set consequently also greatly increases.The reliability of these bins itself can have the operational reliability of related main equipment
Significant impact.The functions component such as electric power, electronics, sensor, optical device, optical fiber, these elements pair are generally installed in bin
The requirement of running environment is also relatively high including dust-proof, waterproof, tolerable temperature, tolerance humidity, proof pressure, anti-dewing, resists
Electromagnetic interference etc..
But currently, in terms of sealing to these bins and internal and external pressure balance the considerations of still show to think little of or
Design gaps and omissions.Since gas generates pressure difference because of the variation of internal and external environment temperature in bin, certain respiration is formed,
Moisture and other harmful substances (such as dirt particle) will enter bin with the gas exchanges that respiration is formed.Dust
Particle, moisture and other harmful substances can damage the elements such as circuit board, electronic component, sensor, optical device in bin, influence
Safety in production.Meanwhile if relevant design only is done to the sealing of bin but has not considered that the auxiliary of the pressure balance inside and outside bin is set
Meter, also can cause internal gas pressure that can change with the variation of environment temperature, the change of this pressure because of the sealing of bin
Change also can generate harmful effect to the various sensitive components installed in bin.
Invention content
It is an object of the invention to propose it is a kind of the object of its inside can be sealed while can be with external environment pressure
The bin of dynamic balance.
For this purpose, the present invention uses following technical scheme：
A kind of bin, including sealable babinet and the elastic balloon that is set in the babinet, the elastic balloon
Import is connected to babinet external environment, and the elastic balloon and the gas of the babinet interior sealing can be squeezed mutually, the bullet
Property air bag be used for by by the gas stored it in be emitted into external environment or from external environment absorption gas to balance
State the pressure of babinet and external environment.
Further, the entrance of the elastic balloon is provided with waterproof vent valve, the waterproof vent valve sealing installation
In on the babinet.
Further, the waterproof vent valve include waterproof valve and be set on the inside of the waterproof valve by polytetrafluoroethylene (PTFE)
Waterproof ventilated membrane made of film.
Further, it is connected to by gas nozzle between the import of the elastic balloon and the waterproof vent valve.
Further, the waterproof vent valve is set to the bottom of the babinet.
Further, it is provided with Self-sealing valve on the babinet, can be filled with into the babinet by the Self-sealing valve dry
Dry air.
Further, it is provided with moisture adsorbent in the babinet.
Further, the babinet includes the ontology with opening and the door-plate for sealing the opening, the ontology
It is provided with sealing ring between the door-plate, and is compressed and is connected by connector between the ontology and the door-plate.
Further, it is provided with cable-through hole on the babinet, is arranged with protection sleeve pipe successively in the cable-through hole, waterproof connects
Head and cable, between the protection sleeve pipe and the cable-through hole and the waterproof connector and the waterproof connector and the line
Fluid sealant is both provided between cable.
Further, the elastic balloon is made of thermoplastic polyurethane material.
Beneficial effects of the present invention are as follows：
Bin provided by the invention, there are one the elastic balloon being connected to external environment, elastic balloons for setting in babinet
In the amount of gas determined by box house pressure, and the air pressure in babinet can in elastic balloon air pressure and external environment
Air pressure is consistent, so that the air pressure in babinet can be consistent with external environment, babinet internal cause equipment is avoided to transport
The high temperature of row fever or residing outdoor environment and cause internal pressure excessive, the member sensitive to dust and pressure in guard box body
The work of device is unaffected.
Description of the drawings
Fig. 1 is the structural schematic diagram for the bin that the specific embodiment of the invention provides.
In figure：
10, babinet；20, elastic balloon；30, waterproof vent valve；40, Self-sealing valve；50, moisture absorber；60, waterproof connects
Head；70, cable；
11, bolt.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Present embodiment provides a kind of bin, preferably but is not limited to accommodate electric power, electronics, sensing in bin
Device, optical device, optical fiber etc. are to the dust and the electrical component that has higher requirements such as pressure in environment.The bin can be used for electric power
In the fields such as the relevant hair power transmission and distribution industry of the energy, production of hydrocarbons, smelting chemical industry, ship drive control to control, protection,
The related component such as the functions such as detection, transmission has the occasion of higher dust-proof, waterproof and pressure balance requirement.
As shown in Figure 1, the bin that present embodiment provides includes sealable babinet 10 and is set in babinet 10
Elastic balloon 20, import and the babinet of gas (gas is usually air) and elastic balloon 20 are stored in elastic balloon 20
10 external environments are connected to, and elastic balloon 20 can mutually be squeezed with the gas of 10 interior sealing of babinet, and elastic balloon 20 is for passing through
The gas stored in it is emitted into external environment or absorbs gas from external environment with balance box 10 and external environment
The pressure of (external environment is usually atmospheric environment).Elastic balloon 20 is preferred but is not limited to by thermoplastic polyurethane material's system
At, can also by other elasticity and intensity material appropriate be made.Heat resistance of material etc. used by elastic balloon 20 can root
It is determined according to the specifically used environment of bin, it is preferable that its material is that satisfaction can be longer under -50 DEG C -120 DEG C of environment temperature
Time keeps the material of physical stability.The shape of elastic balloon 20 is unlimited, can be any shape, is big shown in Fig. 1
It causes rectangular, naturally it is also possible to elastic balloon 20 is designed to other shapes in conjunction with 10 interior layout of babinet, avoid case as possible
Component in body 10 and 20 contact squeeze of elastic balloon.The size of elastic balloon 20 can be set according to specific needs.
Specifically, it is depressed in natural atmosphere, the volume of elastic balloon 20 can be according to 10 inside gas of babinet with the volume fraction of babinet 10
Body running pressure limit determines.
According to Charles' law it is found that the gas pressure (PV/T directly proportional to thermodynamic temperature of relative quantification (quality, volume)
=C, V are quantitative, and C is constant).Since babinet 10 is salable, (i.e. 10 inside of babinet and 20 outside of elastic balloon in babinet 10
Between) the amount of air be fixed, the pressure of the air of 10 quantification of babinet can change with the variation of environment temperature.Environment
When temperature increases (such as noon in summer High Temperature day), the air pressure in babinet 10 can become larger；Conversely, when the reduction of environment temperature
(such as after the unexpected thunder shower in summer High Temperature day), 10 internal pressure of babinet becomes smaller.
The bin that present embodiment provides, there are one the elastic balloons being connected to external environment for setting in babinet 10
20, the amount of the gas in elastic balloon 20 is determined that the air pressure in babinet 10 can be with elastic balloon 20 by 10 internal pressure of babinet
Interior air pressure and ambient air pressure is consistent, so that the air pressure in babinet 10 can keep one with external environment
Cause, avoid in babinet 10 because equipment run fever or residing for outdoor environment high temperature due to cause internal pressure excessive, ensure babinet
It is unaffected to the work of dust and pressure sensitive component in 10.Specifically, lead to babinet when environment temperature increases
When air pressure in 10 becomes larger, the high pressure gas in babinet 10 squeezes elastic balloon 20, and the gas stored in elastic balloon 20 is driven
By in external environment, to allow inside babinet 10 air being closed to occupy the space of bigger, the gas pressure inside babinet 10
Power declines therewith, until 20 internal gas of elastic balloon pressure again with the gas pressure balancing of external environment；And work as environment
Temperature reduces and 10 air pressure inside of babinet is caused to become hour, and the elastic balloon 20 that 10 air pressure inside of babinet can make is empty from outside sucking
Gas, to allow inside babinet 10 air being closed to occupy smaller space, until internal air pressure again with extraneous air
Pressure balance.
In present embodiment, sealing is accomplished by the following way in babinet 10：Babinet 10 includes the ontology with opening
With the door-plate for sealed opening, be provided between ontology and door-plate sealing ring (in Fig. 1, babinet 10 referred to be door-plate,
Ontology is blocked by door-plate so being not shown, and sealing ring is placed between door-plate and ontology so being also not shown in Fig. 1), ontology and door
It is compressed and is connected by connector between plate, the connector is preferred but is not limited to bolt 11, such as can also be shackle member etc..Its
In, ontology preferably but is not limited to be integrated using die casting aluminum component with door-plate, without any welding, riveting process；It is different
In manufacturing process of the conventional stainless steel materials through bending riveting sealing, leakproofness higher.
In order to improve the wire bodies such as the cable 70 being pierced by out of babinet 10 through hole leakproofness, be provided on babinet 10
String holes, is arranged with protection sleeve pipe (not shown), waterproof connector 60 and cable 70 in cable-through hole successively, protection sleeve pipe and crosses line
It is both provided with fluid sealant between hole and waterproof connector 60 and between waterproof connector 60 and cable 70.Waterproof connector 60 can with but
It is not limited to be made of metal or nylon material.Protection sleeve pipe is preferred but is not limited to be made of wear-resistant materials such as stainless steels.Such as
Again cable 70 has been laid when safeguarding, should reseal and checks test.
It, can be in bullet in order to avoid steam, the dust etc. in external environment enter elastic balloon 20 and babinet 10 with air
Property air bag 20 entrance waterproof vent valve 30 is set, waterproof vent valve 30 can be pacified by sealings such as fluid sealant or sealing rings
Loaded on babinet 10, i.e., fluid sealant or sealing ring are set between waterproof vent valve 30 and babinet 10.Elastic balloon 20 into
Mouth is connected to between waterproof vent valve 30 by gas nozzle.Specifically, waterproof vent valve 30 includes waterproof valve and is set to waterproof valve
The waterproof ventilated membrane of inside.Waterproof vent valve 30 is tightly connected by its waterproof valve and babinet 10.Waterproof valve is preferred but does not limit to
By being made of stainless steel material.Material selected by waterproof vent valve 30 is preferably also can be in -50 DEG C -120 DEG C of environment temperature
It spends and keeps physical stability in the lower long period.Waterproof ventilated membrane is preferred but is not limited to be made of polytetrafluoroethylene film, also may be used
To be made of other water-proof breathable properties material appropriate.The operation principle of waterproof ventilated membrane is as follows：In the state of steam, water
Grain is very tiny, according to the principle of capillary moving, can smoothly penetrate into pore to the other side, to which vapour phenomenon occur.
After moisture condensation becomes droplet, particle becomes larger, and due to the effect of droplet surface tension, hydrone cannot smoothly be detached from droplet
The other side is penetrated into, that is, the infiltration of water is prevented to occur, ventilated membrane is made to have the function of waterproof.It is above-mentioned by polytetrafluoroethylene (PTFE)
Manufactured waterproof ventilated membrane have high temperature resistant (using operating temperature up to 250 DEG C), it is low temperature resistant (drop temperature to -196 DEG C,
Also 5% elongation can be kept), corrosion-resistant, weatherability, high lubrication, do not adhere to and the advantages that nonhazardous.
Waterproof vent valve 30 is preferably the bottom for being set to babinet 10, to prevent the foreign matters such as dust from accumulating under gravity
Gather on the valve of waterproof vent valve 30, to influence valve waterproof and breathable function.
As shown in Figure 1, Self-sealing valve 40 can also be arranged on babinet 10.Self-sealing valve 40 is preferred but is not limited to be set to case
The bottom of body 10.The installation that Self-sealing valve 40 and babinet 10 connect need to ensure leakproofness, such as between Self-sealing valve 40 and babinet 10
Fluid sealant or sealing ring are set, dry air can be filled with into babinet 10 by Self-sealing valve 40.It can pass through when needed
Self-sealing valve 40 manually exchanges the gas in babinet 10.Especially when component in installation and debugging bin, if in babinet 10
It is populated with the air of moist high temperature, dry air or other gases are filled with into babinet 10 before seal case 10, with handle
The air of moist high temperature expels away.
In order to keep the drying in babinet 10, moisture adsorbent can also be set in babinet 10.Moisture absorber 50 can
To be positioned in container.Moisture adsorbent can be molecular sieve, silica gel etc..Moisture adsorbent can be to slow or interior intrusion in short-term
Moisture in the humid air of bin carries out adsorption storage.Moisture absorber 50 can be stored for a long time in bin, and can basis
Its performance degradation state is replaced.10 inside of babinet is avoided to there is the steam for causing air pressure variations as possible.It also can be in babinet
Observation window is arranged in 10 surfaces, to observe the performance state of moisture adsorbent.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of bin, which is characterized in that including sealable babinet and the elastic balloon being set in the babinet, the bullet
Property air bag import be connected to babinet external environment, the elastic balloon can mutually be squeezed with the gas of the babinet interior sealing
Pressure, the elastic balloon are used to by the way that the gas stored in it to be emitted into external environment or absorb gas from external environment
To balance the pressure of the babinet and external environment.
2. bin according to claim 1, which is characterized in that the entrance of the elastic balloon is provided with waterproof and breathable
Valve, the waterproof vent valve are seal-installed on the babinet.
3. bin according to claim 2, which is characterized in that the waterproof vent valve includes waterproof valve and is set to described
Waterproof ventilated membrane on the inside of waterproof valve.
4. bin according to claim 2, which is characterized in that the import of the elastic balloon and the waterproof vent valve it
Between be connected to by gas nozzle.
5. bin according to claim 2, which is characterized in that the waterproof vent valve is set to the bottom of the babinet.
6. bin according to any one of claims 1 to 5, which is characterized in that be provided with Self-sealing valve on the babinet, pass through
The Self-sealing valve can be filled with dry air into the babinet.
7. bin according to any one of claims 1 to 5, which is characterized in that be provided with moisture adsorbent in the babinet.
8. bin according to any one of claims 1 to 5, which is characterized in that the babinet includes the ontology with opening
With the door-plate for sealing the opening, be provided with sealing ring between the ontology and the door-plate, and the ontology with it is described
It is compressed and is connected by connector between door-plate.
9. bin according to any one of claims 1 to 5, which is characterized in that cable-through hole is provided on the babinet, it is described
It is arranged with protection sleeve pipe, waterproof connector and cable in cable-through hole successively, the protection sleeve pipe and the cable-through hole and the waterproof
It is both provided with fluid sealant between connector and between the waterproof connector and the cable.
10. bin according to any one of claims 1 to 5, which is characterized in that the elastic balloon is by thermoplastic polyurethane
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956005.XA CN108684182A (en) | 2018-08-21 | 2018-08-21 | A kind of bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956005.XA CN108684182A (en) | 2018-08-21 | 2018-08-21 | A kind of bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108684182A true CN108684182A (en) | 2018-10-19 |
Family
ID=63815471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810956005.XA Pending CN108684182A (en) | 2018-08-21 | 2018-08-21 | A kind of bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108684182A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109832895A (en) * | 2019-03-25 | 2019-06-04 | 宜庭家纺有限公司 | A kind of height can flexible modulation pillow |
| CN113889853A (en) * | 2021-09-07 | 2022-01-04 | 任宏才 | Outdoor electrical equipment box, moisture-proof isobaric isolator and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192071A (en) * | 1997-02-06 | 1998-09-02 | 西安高压电瓷厂 | Metal oxide arrester and its detection technology |
| DE10335305A1 (en) * | 2003-08-01 | 2005-03-03 | Webasto Ag | Sealing element for electrical component housing e.g. for control device for air or water heater in automobile, uses sealing ring incorporating vent channel coupled to inflatable balloon within interior of housing |
| CN1929221A (en) * | 2006-09-28 | 2007-03-14 | 王金全 | Sealed moisture proof electrical box |
| CN201742676U (en) * | 2010-08-18 | 2011-02-09 | 南京长江电子信息产业集团有限公司 | Device for maintaining tiny change on air humidity in simply sealed cavity under atmospheric conditions |
| CN202095210U (en) * | 2011-05-10 | 2011-12-28 | 中兴通讯股份有限公司 | Water-proof and dust-proof device for equipment |
| CN104159435A (en) * | 2014-08-12 | 2014-11-19 | 天津市亚安科技股份有限公司 | Structure for preventing monitoring equipment from condensation and method |
| CN209030491U (en) * | 2018-08-21 | 2019-06-25 | 高学峰 | A kind of bin |
-
2018
- 2018-08-21 CN CN201810956005.XA patent/CN108684182A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192071A (en) * | 1997-02-06 | 1998-09-02 | 西安高压电瓷厂 | Metal oxide arrester and its detection technology |
| DE10335305A1 (en) * | 2003-08-01 | 2005-03-03 | Webasto Ag | Sealing element for electrical component housing e.g. for control device for air or water heater in automobile, uses sealing ring incorporating vent channel coupled to inflatable balloon within interior of housing |
| CN1929221A (en) * | 2006-09-28 | 2007-03-14 | 王金全 | Sealed moisture proof electrical box |
| CN201742676U (en) * | 2010-08-18 | 2011-02-09 | 南京长江电子信息产业集团有限公司 | Device for maintaining tiny change on air humidity in simply sealed cavity under atmospheric conditions |
| CN202095210U (en) * | 2011-05-10 | 2011-12-28 | 中兴通讯股份有限公司 | Water-proof and dust-proof device for equipment |
| CN104159435A (en) * | 2014-08-12 | 2014-11-19 | 天津市亚安科技股份有限公司 | Structure for preventing monitoring equipment from condensation and method |
| CN209030491U (en) * | 2018-08-21 | 2019-06-25 | 高学峰 | A kind of bin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109832895A (en) * | 2019-03-25 | 2019-06-04 | 宜庭家纺有限公司 | A kind of height can flexible modulation pillow |
| CN113889853A (en) * | 2021-09-07 | 2022-01-04 | 任宏才 | Outdoor electrical equipment box, moisture-proof isobaric isolator and method |
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