CN101282627B - Wind-guiding water-blocking joint with electric field - Google Patents
Wind-guiding water-blocking joint with electric field Download PDFInfo
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- CN101282627B CN101282627B CN2007100652005A CN200710065200A CN101282627B CN 101282627 B CN101282627 B CN 101282627B CN 2007100652005 A CN2007100652005 A CN 2007100652005A CN 200710065200 A CN200710065200 A CN 200710065200A CN 101282627 B CN101282627 B CN 101282627B
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Abstract
This invention relates to a ventilation water repellent interface with electric field, including an air channel for guiding the air of the electronic device internal into the electronic device internal; a collecting room is mounted at the right side of a U type air channel and connected with an air outlet channel to form a three-way structure; a discharging electrode mounted in the air outlet channel; and a collecting electrode is mounted in the air channel by the means of corresponding to the discharging electrode and is used for collecting the drop from the collecting electrode or the othersundries. A collecting tray is mounted at the bottom of the collecting room; a single-way valve is mounted at the bottom of the collecting tray. When the water content in the collecting tray or the collecting room is achieved to a critical pressure of the single-way valve, then the single-way valve is opened to discharge the seeper. This ventilation water repellent interface with electric field of this invention is suitable for the simple seal and complicated seal. Because of characteristics of gravitational field and electrostatic field, the ventilation water repellent interface does not change at 30 centigrade below zero to 80 centigrade in order to be more practical.
Description
Technical field
The present invention relates to a kind of wind-guiding water-blocking joint of electronic device field, particularly relate to a kind of wind-guiding water-blocking joint with electric field.
Background technology
Now, generally all have the more electronic component of heating in electronic equipment, the heat that above-mentioned electronic component produces when electronic device works must be discharged, in order to avoid cause the electronic equipment internal temperature too high.Prior radiating structure adopts air-cooled structure usually, that is, by flow air heat is taken out of.This just need be provided with exhaust outlet and air inlet on the housing of electronic equipment, and air inlet directly communicates with the external world, will there be the possibility of the liquid in the external world being introduced electronic equipment internal along with air intake in this, especially, the water in the external world can be introduced, cause the electronic equipment water inlet and can't operate as normal.
So air intake and waterproof sealing are a contradiction of electronic device field and a difficult problem always.The technology of continuing to use traditional approach and material at present is, with viscoelastic material (rubber seal) sealing, it has contained all parts that need protect, and comprises integral waterproofing, parts waterproof, keyboard, connector, interface, loudspeaker, floppy disk, shell door, mouse, data wire etc.Mode has sealing and draining.The electronic equipment of scope from notebook computer to the non-computer class.
But existing waterproof technique can only simple seal, is difficult to realize complicated sealing, as: for the heat radiation air inlet, need both air inlets, the requirement difficult sealing that can block water is to realize again.In addition, the wide temperature of existing techniques in realizing is had any problem, the hardening of rubber seal low temperature, and high temperature is too soft, the sealing effectiveness variation.Can't satisfy the two ends needs at-30 ℃-+60 ℃, and at two ends most of rubber performance degenerate (wearing out) do not have reversible recovery.
So, be necessary to propose a kind of scheme that solves the bigger heat radiation hatch waterproof air intake problem of difficulty.
Summary of the invention
The objective of the invention is to, overcome the critical defect of the air inlet structure of existing electronic equipment, and a kind of new wind-guiding water-blocking joint with electric field is provided, technical problem to be solved is the special construction that makes it utilize electrostatic field and gravitational field to combine, make gas unimpeded, water is intercepted separation, thereby is suitable for practicality more, and has the value on the industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of wind-guiding water-blocking joint with electric field that the present invention proposes, it comprises: the air channel comprises air intake passage, air-out passage and the adapter cavity that connects air intake passage and air-out passage; Sparking electrode is arranged in the above-mentioned air channel, is used for discharging; And passive electrode, corresponding being arranged in the above-mentioned air channel of sparking electrode with above-mentioned is used for the adsorptive liquid particle; Described sparking electrode and described passive electrode produce the forward electric field of airflow direction.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said passive electrode below is provided with collecting chamber.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said collecting chamber bottom is provided with collecting tray.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said collecting tray bottom is equipped with unidirectional valve.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said sparking electrode are needle-like, and passive electrode is tabular or lattice-shaped.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said air channel are horizontal U type, and described collecting chamber and air channel are three-port structure.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said air channel are linear pattern, and described collecting chamber and air channel are T type three-port structure.
Aforesaid wind-guiding water-blocking joint with electric field, it also comprises a power supply device, provides pulse voltage or constant voltage to described sparking electrode and passive electrode.
Aforesaid wind-guiding water-blocking joint with electric field, wherein said pulse voltage or constant voltage are the 7-20 kilovolt, because of structure, size, especially interelectrode distance are specifically determined.
By technique scheme, the present invention has the wind-guiding water-blocking joint of electric field, and the special construction that utilizes electrostatic field and gravitational field to combine has realized that wind passage mouth air-flow and current do not block mutually, and gas is unimpeded, the technical goal that water is intercepted.By special three-port structure from bottom to top, help the giving full play to of characteristic of " field ".Making the field---electrostatic field and gravitational field and corresponding construction form " sealing gasket ".The three elements that meet sealing: a. isolates or the cut-out leakage path; B.Increase the resistance in the leakage path; C.. add small-sized acting element in the passage.Special electrode and electrostatic field, can carry out unidirectional acceleration to certain medium: needle electrode and gate-shaped electrode help making full use of the characteristic of electric field.His particular point or advantage are to have " selectivity ", to the isolating seal effect difference of the medium (as: state-gas or liquid are to " electrostatic field " sensitivity difference) of different qualities.Therefore when facing two or more medium coexistences, a kind of medium is accelerated directed flow, and other medium is intercepted.And the advantage of employing needle electrode: because it is on the gas passage, " needle-like " can not produce obvious windage to gas flow.The gate-shaped electrode structural advantages, gate-shaped electrode ponding effective area S is much larger than plate electrode catchment area S.And after some water droplet that flies over knocks gate-shaped electrode housing behind and converge, flow to the below from grid seams along transition arc.The present invention has the inertial separation structure, is attached to the effect that the water droplet on the ponding electrode leans on " gravitational field ", falls.The resistance difference that realization presents the medium of different specific weight.Gas separates with water droplet.The present invention has the current that the collecting tray structure helps on the gate-shaped electrode and is directed outside the derivation machine." sealing gasket " and structure realize shunting to the medium (water droplet and gas) of different qualities.On certain direction, little to the resistance of gas, big to the resistance of water.
There is incomparable advantage technology side of the present invention by comparing with the conventional seals technology:
A. not only be suitable for simple seal but also be suitable for complicated sealing.As: need both exhausts, require the sealing in the air port that can seal again.
B. " sealing gasket " realizes that wide temperature is than being easier to.Because present known " gravitational field ", the characteristic of " electrostatic field " is not with temperature change at-30 ℃-+80 ℃.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the decomposing schematic representation that the present invention has the wind-guiding water-blocking joint embodiment of electric field.
Fig. 2 is the schematic perspective view that the present invention has the wind-guiding water-blocking joint embodiment of electric field.
Fig. 3 is the front schematic view that the present invention has the wind-guiding water-blocking joint embodiment of electric field.
Among Fig. 4 Fig. 3 along C-C line cutaway view.
Fig. 5 is the generalized section of another preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of the wind-guiding water-blocking joint with electric field, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 1 to shown in Figure 4, Fig. 1 is the decomposing schematic representation that the present invention has the wind-guiding water-blocking joint embodiment of electric field, and Fig. 2 is the schematic perspective view of this embodiment, and Fig. 3 is the front schematic view of this embodiment, among Fig. 4 Fig. 3 along C-C line cutaway view.
The wind-guiding water-blocking joint with electric field of preferred embodiment of the present invention, it mainly comprises: the air channel, be used for the air of electronic device exterior is introduced electronic equipment internal, it comprises air intake passage 1, air-out passage 6 and the adapter cavity 2 that connects air intake passage 1 and air-out passage 6, makes this air channel be horizontal U type; Right side in this U type air channel is provided with collecting chamber 5, is separated to form the space of vertical setting by dividing plate 9, and this collecting chamber 5 communicates with air-out passage 6, thereby forms three-port structure; Sparking electrode 3 is arranged in the above-mentioned air-out passage 6; And passive electrode 4, with above-mentioned sparking electrode 6 corresponding being arranged in the above-mentioned air channel, and above-mentioned collecting chamber 5 is positioned at the bottom of this sparking electrode 6, so that collect water droplet or other foreign material that fall from passive electrode.Also be provided with collecting tray 7 in above-mentioned collecting chamber bottom, thereby so that make the water droplet that falls concentrate in together convenient the processing, such as drawing by pipeline.In the bottom of this collecting tray unidirectional valve 8 is installed, when the water capacity in collecting tray 7 or the collecting chamber 5 reached the critical pressure of unidirectional valve 8, unidirectional valve 8 was opened, and drains the water away.Above-mentioned air intake passage 1, adapter cavity 2, especially vertical adapter cavity 2 both had been used for air intake, also be the deceleration and the first gravitational field Disengagement zone of the mixture of gas and water, slow down earlier in vertical adapter cavity 2, bigger then water droplet is different because of proportion with gas, realizes preliminary Gravity Separation.The heavier whereabouts of water droplet, air-flow rises.
In preferred embodiment, this wind-guiding water-blocking joint with electric field also includes power supply device 20, provide pulse voltage or constant voltage (being direct voltage) to sparking electrode 3 and passive electrode 4, above-mentioned sparking electrode 3 is a negative pole, and passive electrode 4 is anodal.The voltage that is applied can be different according to the application scenario, so that water droplet can be electrically charged for voltage settles the standard, and the preferable 7-20 kilovolt that is chosen as.
Described in the above-described embodiment sparking electrode 3 is a needle-like, and its quantity can be for a plurality of; Passive electrode 4 is tabular or lattice-shaped.
Seeing also shown in Figure 5ly, is the generalized section of another embodiment of the present invention.Wherein, air intake passage 1 and air-out passage 6 are linear pattern, collecting chamber 5 is arranged on the middle part, air channel, form T type structure with above-mentioned air intake passage and air-out passage, passive electrode 4 is positioned at collecting chamber 5 tops, and this example has 2 passive electrodes 4, and the effect that secondary blocks water is far above once blocking water, when seal request is high especially, can consider secondary or repeatedly block water, increase the resistance in the leakage path greatly; And sparking electrode 3 both can be arranged in the air-out passage 6, also can be arranged in the air intake passage 1.
The wind-guiding water-blocking joint that electric field is arranged that the present invention proposes is arranged on the air intake position of electronic equipment, needs wind-guiding, and again water is played the sealing function of (certain grade).It utilizes gravitational field and electrostatic field to form the electric field sealing gasket at air intake passage 1 and 6 in air-out passage, the air-flow of free of water droplets flows into three-port structure by air intake passage 1, after the sealing gasket effect of field, water droplet is separated from gas, water enters the collecting chamber water route, makes the air-out passage leave with rage, flows in the electronic equipment, thereby make water obtain intercepting, reach sealing effectiveness.Can be used for separating the low speed water particle that diameter is about the 0.05-1.5 millimeter.When the high voltage electric field of the corona discharge of moisture air communication overdischarge electrode 3, particle water is charged, thereby under electric field force (Coulomb force) effect, charged particle is adsorbed on passive electrode 4.Enter inlet channel 1 when containing water flow, adapter cavity 2 arrives between sparking electrode 3 and the passive electrode 4 (tabular or palisade), owing to have than high pulse voltage (or direct voltage) between sparking electrode 3 and the passive electrode 4, produces electric field and corona discharge takes place.Sparking electrode 3 claims corona electrode again, is negative pole; Passive electrode 4 is anodal.Under effect of electric field, the free electron of motion has formed weak current between the two poles of the earth.Voltage is high more, and electric field strength is big more, and the movement velocity of free electron is fast more near the sparking electrode.The free electron bump neutral gas molecule of high-speed motion makes it ionization, produces a large amount of positive and negative ion and free electron, and electric current between two electrodes (corona current) is sharply increased, and corona discharge takes place near sparking electrode, has formed the corona zone.The disappearance that neutralizes immediately of cation and sparking electrode.Anion and free electron are subjected to the effect of electric field force to passive electrode 4---and the electrode that catchments moves, and contact gathering with the collision of thick water particle when mobile and combines, and makes water particle charged.Form electronegative water droplet, it is accelerated under the driving of electric field force, flies to passive electrode 4, at last attached on the passive electrode 4 and and flow separation.Become big and become when heavy when the current on the passive electrode 4 progressively gather, fall into below collecting tray 7, when water reaches certain weight, from unidirectional valve 8 eliminatings because gravity is realized inertial separation.Then flow out smooth and easy importing electronic equipment internal with the air-flow after water droplet separates by air-out passage 6.So in fact form an electric field sealing gasket 10 between air intake passage 1 and air-out passage 6, water is presented big resistance, less to gas-flow resistance, electric field force is with G﹠W shunting and obstruct, and gas can be unimpeded in air-out passage 6 inflow machines.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1. wind-guiding water-blocking joint with electric field is characterized in that it comprises:
The air channel comprises air intake passage, air-out passage and the adapter cavity that connects air intake passage and air-out passage;
Sparking electrode is arranged in the described air-out passage, is used for discharging, and this sparking electrode is a negative pole; And
Passive electrode, be arranged at described air channel in corresponding with described sparking electrode is used for the adsorptive liquid particle, and this passive electrode is anodal;
Described sparking electrode and described passive electrode produce the forward electric field of airflow direction.
2. the wind-guiding water-blocking joint with electric field according to claim 1 is characterized in that wherein said passive electrode below is provided with collecting chamber.
3. the wind-guiding water-blocking joint with electric field according to claim 2 is characterized in that wherein said collecting chamber bottom is provided with collecting tray.
4. the wind-guiding water-blocking joint with electric field according to claim 3 is characterized in that wherein said collecting tray bottom is equipped with unidirectional valve.
5. the wind-guiding water-blocking joint with electric field according to claim 1 is characterized in that wherein said sparking electrode is a needle-like, and passive electrode is tabular or lattice-shaped.
6. the wind-guiding water-blocking joint with electric field according to claim 2 is characterized in that wherein said air channel is horizontal U type, and described collecting chamber and air channel are three-port structure.
7. the wind-guiding water-blocking joint with electric field according to claim 2 is characterized in that wherein said air channel is a linear pattern, and described collecting chamber and air channel are T type three-port structure.
8. according to each described wind-guiding water-blocking joint of claim 1-7, it is characterized in that it also comprises a power supply device, provide pulse voltage or constant voltage to described sparking electrode and passive electrode with electric field.
9. the wind-guiding water-blocking joint with electric field according to claim 8 is characterized in that wherein said pulse voltage or constant voltage are the 7-20 kilovolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100652005A CN101282627B (en) | 2007-04-06 | 2007-04-06 | Wind-guiding water-blocking joint with electric field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100652005A CN101282627B (en) | 2007-04-06 | 2007-04-06 | Wind-guiding water-blocking joint with electric field |
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| Publication Number | Publication Date |
|---|---|
| CN101282627A CN101282627A (en) | 2008-10-08 |
| CN101282627B true CN101282627B (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100652005A Active CN101282627B (en) | 2007-04-06 | 2007-04-06 | Wind-guiding water-blocking joint with electric field |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978409B (en) * | 2022-07-20 | 2022-11-22 | 深圳市安卫普科技有限公司 | Air inlet assembly, signal shielding device and signal shielding instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109674A (en) * | 1984-12-21 | 1986-08-27 | Bbc勃朗勃威力有限公司 | The solid that utilizes electric field to remove to suspend in the air-flow and the method and apparatus of liquid particles |
| CN1844766A (en) * | 2006-03-02 | 2006-10-11 | 佛山市净霸光催化科技有限公司 | Modularized air purifier |
-
2007
- 2007-04-06 CN CN2007100652005A patent/CN101282627B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109674A (en) * | 1984-12-21 | 1986-08-27 | Bbc勃朗勃威力有限公司 | The solid that utilizes electric field to remove to suspend in the air-flow and the method and apparatus of liquid particles |
| CN1844766A (en) * | 2006-03-02 | 2006-10-11 | 佛山市净霸光催化科技有限公司 | Modularized air purifier |
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| CN101282627A (en) | 2008-10-08 |
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