CN209030491U - A kind of bin - Google Patents
A kind of bin Download PDFInfo
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- CN209030491U CN209030491U CN201821351634.1U CN201821351634U CN209030491U CN 209030491 U CN209030491 U CN 209030491U CN 201821351634 U CN201821351634 U CN 201821351634U CN 209030491 U CN209030491 U CN 209030491U
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- cabinet
- waterproof
- elastic balloon
- external environment
- valve
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Abstract
The utility model discloses a kind of bins, including sealable cabinet and elastic balloon arranged in the box body, the import of elastic balloon is connected to cabinet external environment, elastic balloon can be 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 with the gas mutual extrusion that seals in cabinet, elastic balloon.Bin provided by the utility model, pass through the elastic balloon being connected to external environment being arranged in cabinet, the intracorporal air pressure of case is consistent with external environment, avoid in cabinet because equipment run fever or locating for outdoor environment high temperature due to cause internal pressure excessive, the work of the component sensitive to dust and pressure is unaffected in guard box body.
Description
Technical field
The utility model relates to a kind of bins.
Background technique
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 the relevant auxiliary bin of arrangement main equipment on the spot, reaches 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, anti-
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 because of the variation of internal and external environment temperature generates pressure difference 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, the change of this pressure with the variation of environment temperature because of the sealing of bin
Changing also can generate adverse effect to the various sensitive components installed in bin.
Utility model content
The purpose of this utility model is that propose it is a kind of can be with extraneous ring while can be sealed to the object of its inside
The pressure balanced bin in border.
For this purpose, the utility model uses following technical scheme:
A kind of bin, including sealable cabinet and it is set to the intracorporal elastic balloon of the case, the elastic balloon
Import is connected to cabinet external environment, the gas sealed in the elastic balloon and the cabinet can mutual extrusion, the bullet
Property air bag be used for by by the gas stored in it be emitted into external environment or from external environment absorb gas to balance
State the pressure of cabinet 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 cabinet.
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 between the import of the elastic balloon and the waterproof vent valve by gas nozzle.
Further, the waterproof vent valve is set to the bottom of the cabinet.
Further, it is provided with Self-sealing valve on the cabinet, can be filled with into the cabinet by the Self-sealing valve dry
Dry air.
Further, moisture adsorbent is provided in the cabinet.
Further, the cabinet 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 cabinet, is successively arranged with protection sleeve pipe 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
Sealant is provided between cable.
Further, the elastic balloon is made of thermoplastic polyurethane material.
The beneficial effects of the utility model are as follows:
Bin provided by the utility model is provided with the elastic balloon being connected to external environment in cabinet, elasticity
The amount of gas in air bag determines by box house pressure, and the intracorporal air pressure of case can in elastic balloon air pressure and the external world
Ambient pressure is consistent, so that the intracorporal air pressure of case can be consistent with external environment, cabinet internal cause is avoided to set
The high temperature of the fever of received shipment row or locating outdoor environment and cause internal pressure excessive, it is sensitive to dust and pressure in guard box body
Component work it is unaffected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the bin that specific embodiment of the present invention provides.
In figure:
10, cabinet；20, elastic balloon；30, waterproof vent valve；40, Self-sealing valve；50, moisture absorber；60, waterproof connects
Head；70, cable；
11, bolt.
Specific embodiment
Further illustrate the technical solution of the utility model 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 cabinet 10 and is set in cabinet 10
Elastic balloon 20, import and the cabinet of gas (gas is usually air) and elastic balloon 20 are stored in elastic balloon 20
The connection of 10 external environments, elastic balloon 20 can be with the gas mutual extrusions that seal in cabinet 10, 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 used by elastic balloon 20 etc. 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
The material of time holding 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 cabinet, avoid case as far as possible
Component and 20 contact squeeze of elastic balloon in body 10.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 and the volume fraction of cabinet 10 can be according to 10 inside gas of cabinet
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 quantitatively that C is constant).Since cabinet 10 is salable, (i.e. 10 inside of cabinet and 20 outside of elastic balloon in cabinet 10
Between) air amount be it is fixed, the pressure of the air of 10 quantification of cabinet can change with the variation of environment temperature.Environment
When temperature increases (such as noon in summer High Temperature day), the air pressure in cabinet 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 cabinet becomes smaller.
The bin that present embodiment provides, is provided with the elastic balloon being connected to external environment in cabinet 10
20, the amount of the gas in elastic balloon 20 is determined that the air pressure in cabinet 10 can be with elastic balloon 20 by 10 internal pressure of cabinet
Interior air pressure and ambient air pressure is consistent, so that the air pressure in cabinet 10 can keep one with external environment
Cause, avoid in cabinet 10 because equipment run fever or locating for outdoor environment high temperature due to cause internal pressure excessive, guarantee cabinet
The work of the component sensitive to dust and pressure is unaffected in 10.Specifically, lead to cabinet when environment temperature increases
When air pressure in 10 becomes larger, the high pressure gas in cabinet 10 squeezes elastic balloon 20, and the gas stored in elastic balloon 20 is driven
By into external environment, so that the air being closed be allowed inside cabinet 10 to occupy bigger space, the gas pressure inside cabinet 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
When temperature reduces and 10 air pressure inside of cabinet is caused to become smaller, the elastic balloon 20 that 10 air pressure inside of cabinet can make is empty from outside sucking
Gas, so that the air being closed be allowed inside cabinet 10 to occupy smaller space, until internal air pressure again with outside air
Pressure balance.
In present embodiment, sealing is accomplished by the following way in cabinet 10: cabinet 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, cabinet 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, which preferably but is not limited to bolt 11, such as is also possible to 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 is higher.
In order to improve the wire bodies such as the cable 70 being pierced by out of cabinet 10 through hole leakproofness, be provided on cabinet 10
String holes, is successively arranged with protection sleeve pipe (not shown), waterproof connector 60 and cable 70 in cable-through hole, protection sleeve pipe and crosses line
Sealant is provided 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 maintenance, 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 cabinet 10 with air
Property air bag 20 entrance waterproof vent valve 30 is set, waterproof vent valve 30 can pacify by sealings such as sealant or sealing rings
Loaded on cabinet 10, i.e., sealant or sealing ring are set between waterproof vent valve 30 and cabinet 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 cabinet 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, can also
To be made of other water-proof breathable properties material appropriate.The working 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, so that 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,
Can also keep 5% elongation), 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 cabinet 10, to prevent the foreign matters such as dust from accumulating under gravity
Gather on the valve of waterproof vent valve 30, to influence the function of the waterproof and breathable of valve.
As shown in Figure 1, Self-sealing valve 40 can also be arranged on cabinet 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 cabinet 10 connect need to guarantee leakproofness, such as between Self-sealing valve 40 and cabinet 10
Sealant or sealing ring are set, dry air can be filled with into cabinet 10 by Self-sealing valve 40.It can pass through when needed
Self-sealing valve 40 manually exchanges the gas in cabinet 10.Especially when component in installation and debugging bin, if in cabinet 10
It is populated with the air of moist high temperature, is filled with dry air or other gases, into cabinet 10 before seal case 10 with handle
The air of moist high temperature expels away.
In order to keep the drying in cabinet 10, moisture adsorbent can also be set in cabinet 10.Moisture absorber 50 can
To be placed 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.Avoid the presence of the steam for causing air pressure variations inside cabinet 10 as far as possible.It can also be in cabinet
Observation window is arranged in 10 surfaces, to observe the performance state of moisture adsorbent.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (10)
1. a kind of bin, which is characterized in that including sealable cabinet and be set to the intracorporal elastic balloon of the case, the bullet
Property air bag import be connected to cabinet external environment, the elastic balloon can mutually be squeezed with the gas that seals in the cabinet
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 cabinet 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 cabinet.
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 pass through gas nozzle be connected to.
5. bin according to claim 2, which is characterized in that the waterproof vent valve is set to the bottom of the cabinet.
6. bin according to any one of claims 1 to 5, which is characterized in that be provided with Self-sealing valve on the cabinet, pass through
The Self-sealing valve can be filled with dry air into the cabinet.
7. bin according to any one of claims 1 to 5, which is characterized in that be provided with moisture adsorbent in the cabinet.
8. bin according to any one of claims 1 to 5, which is characterized in that the cabinet 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 cabinet, it is described
Successively it is arranged with protection sleeve pipe, waterproof connector and cable in cable-through hole, the protection sleeve pipe and the cable-through hole and the waterproof
Sealant is provided 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 |
|---|---|---|---|
| CN201821351634.1U CN209030491U (en) | 2018-08-21 | 2018-08-21 | A kind of bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351634.1U CN209030491U (en) | 2018-08-21 | 2018-08-21 | A kind of bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209030491U true CN209030491U (en) | 2019-06-25 |
Family
ID=66873381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821351634.1U Active CN209030491U (en) | 2018-08-21 | 2018-08-21 | A kind of bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209030491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684182A (en) * | 2018-08-21 | 2018-10-19 | 高学峰 | A kind of bin |
-
2018
- 2018-08-21 CN CN201821351634.1U patent/CN209030491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684182A (en) * | 2018-08-21 | 2018-10-19 | 高学峰 | A kind of bin |
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