CN104515107A - Pressure balance device and lamp with same - Google Patents
Pressure balance device and lamp with same Download PDFInfo
- Publication number
- CN104515107A CN104515107A CN201310444431.2A CN201310444431A CN104515107A CN 104515107 A CN104515107 A CN 104515107A CN 201310444431 A CN201310444431 A CN 201310444431A CN 104515107 A CN104515107 A CN 104515107A
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- Prior art keywords
- hole
- air
- light fixture
- balancing device
- pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to the technical scheme of pressure balance devices, and discloses a pressure balance device and a lamp with the pressure balance device. The pressure balance device comprises a balance component and a mounting component, wherein when pressure of an inner cavity of the lamp is smaller than external pressure of the lamp, the balance component carries out automatic adjustment, and the mounting component is fixed to a lamp shell. The mounting component comprises a main body and a casing shell, wherein the main body is provided with a penetrating through hole, and an opening is formed in one end of the casing shell. An air guide groove for being communicated with the casing shell is formed in the hole wall of the outer end of the through hole, and the balance component comprises a spring, a sliding block and a sealing piece; and the spring, the sliding block and the sealing piece are arranged in the through hole in sequence. The invention further provides the lamp. The lamp comprises a shell body and a light-emitting component which is fixedly arranged in the shell body. A mounting hole is formed in the shell body, and the pressure balance device is fixedly arranged on the mounting hole. According to the device, internal pressure and external pressure of the cavity of the lamp are balanced, and the suck-back phenomenon is avoided; the service life of the lamp is prolonged; and the pressure balance device is simple in structure and good in sealing performance, and the production cost is reduced.
Description
Technical field
The present invention relates to the technical field of air pressure balance structure, particularly relate to a kind of air-pressure balancing device and use the light fixture of this air-pressure balancing device.
Background technology
Consider the factors such as dustproof and waterproof, the inner chamber of a lot of light fixture usually adopts Seal Design, at the bulb of light fixture inner chamber due to the factor such as self-heating during work, makes the temperature of light fixture inner chamber increase, air simultaneously in it is expanded by heating, and can reduce the service life of bulb like this; When bulb quits work, the temperature of light fixture inner chamber can decline, light fixture inner chamber can present negative pressure state relative to outside, namely light fixture external pressure is higher than lamp chamber internal gas pressure, cause lamp interior that suck-back phenomenon easily occurs like this, steam now in environment, dust are easily sucked into light fixture inner chamber, thus affect the normal work of light fixture.
Light fixture of the prior art, mainly lamp chamber external and internal pressure is made to keep balance by the labyrinth structure of mounting structure complexity, but its poor sealing performance, and steam is still easy to be entered light fixture inner chamber by suck-back from external environment condition, thus affect the performance of light fixture, shorten the service life of light fixture.
Summary of the invention
The object of the present invention is to provide a kind of air-pressure balancing device and use the light fixture of this air-pressure balancing device, be intended to solve in prior art, there is easily generation suck-back phenomenon in ordinary lamp and lantern, causes poor sealing performance, and affect light fixture normal function, shorten the defect in light fixture service life.
Technical scheme of the present invention is, a kind of air-pressure balancing device, and for light fixture, it comprises: the balanced component automatically regulated when light fixture inner chamber air pressure is less than light fixture external pressure, and is fixed on the installation component on lamp casing; Described installation component comprises and has the main body of through through hole and the sheath body of one end open, and one end of described main body is placed in light fixture inner chamber, and the other end is inserted in described sheath body along the opening of described sheath body, the other end of described sheath body and light fixture ft connection; The hole wall of described through hole outer end is provided with the air slot for being communicated with described sheath body; Described balanced component comprises the spring, slide block and the diaphragm seal that are sequentially arranged in described through hole.
Particularly, described main body is column structure, and its one end is protruding connection post, and described connection post is for being communicated with described through hole and light fixture inner chamber.
Preferably, on the periphery of described main body and the bottom being positioned at described connection post is provided with for hard-wired hex bolts.
Further, between described connection post bottom and described spring, the first dry part is provided with in described through hole.
More specifically, described sheath body has shoulder hole, and the upper diameter of described shoulder hole is greater than its underpart diameter, and the bottom of described sheath body offers the reticulated cell being communicated with described shoulder hole and light fixture outside.
Further, described main body is inserted in described shoulder hole, and abuts on cascaded surface in the inner, and the bottom of described shoulder hole is built-in with the second dry part.
More specifically, described first dry part is cylindricality honeycomb drier, described first dry part and described through hole interference fit.
Particularly, between described first dry part and described spring, circular Reticular breathable sheet is provided with in described through hole.
Preferably, described diaphragm seal and described slide block are close to setting, and described diaphragm seal can move in described through hole along with described slide block.
The invention allows for a kind of light fixture, comprise housing and establish luminescence component in the inner, described housing is provided with installing hole, and described installing hole is provided with above-mentioned air-pressure balancing device.
Compared with prior art, the air-pressure balancing device that the present invention proposes and use the light fixture of this air-pressure balancing device, in the through hole of main body, balanced component is set, when light fixture inner chamber air pressure is less than light fixture external pressure, balanced component automatically regulates and makes lamp chamber inside and outside air pressure balance, effectively prevent the generation of suck-back phenomenon, thus improves the service life of light fixture, and its structure is simple, good airproof performance, reduces production cost.
Accompanying drawing explanation
The explosive decomposition schematic diagram of the air-pressure balancing device that Fig. 1 provides for the embodiment of the present invention;
The explosive decomposition generalized section of the air-pressure balancing device that Fig. 2 provides for the embodiment of the present invention;
The generalized section of the air-pressure balancing device that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with specific embodiment, realization of the present invention is described in detail.
As shown in Figures 1 to 3, be a preferred embodiment provided by the invention.
The air-pressure balancing device that the present embodiment proposes, for light fixture, it comprises balanced component 1 and installation component 2, and wherein, installation component 2 is fixed on the housing of light fixture, and balanced component 1 is movably arranged in installation component 2; Particularly, installation component 2 comprises main body 21 and sheath body 22, and main body 21 is fixedly mounted on the housing of light fixture, and its one end is stretched in lamp chamber through the housing of light fixture, in addition, that main body 21 has its entirety through and be communicated with the through hole 211 of light fixture inner chamber; One end of sheath body 22 has opening, the other end of main body 21 is inserted in sheath body 22 along the opening of sheath body 22, the other end of sheath body 22 and the ft connection of light fixture, and, the inwall of through hole 211 outer end is provided with air slot 212, and this air slot 212 is inner for being communicated with sheath body 22; Balanced component 1 comprises the spring 11 be sequentially arranged in through hole 211, slide block 12 and diaphragm seal 13, and wherein, diaphragm seal 13 is positioned at the intersection of through hole 211 and sheath body 22, and it makes through hole 211 and light fixture inner chamber be formed closed.
When the air pressure of light fixture inner chamber is less than outside atmospheric pressure, atmospheric pressure can be perforated through sheath body 22 and promote diaphragm seal 13 and slide block 12, such spring 11 will be compressed, at this moment, air slot 212 on through hole 211 outer end inner wall exposes and is connected with sheath body 22, the air of light fixture outside after sheath body 22 again via through holes 211 enter light fixture inner chamber, like this, air pressure inside and outside lamp chamber can realize balance, then, spring 11 extends under the effect of its restoring force, and promote the outer end that slide block 12 and diaphragm seal 13 slide to through hole 211, when slide block 12 and diaphragm seal 13 slide into the end of through hole 211, block the junction of air slot 212 and sheath body 22, like this, main body 21 and light fixture inner chamber form sealing again.
Adopt above-mentioned air-pressure balancing device to be arranged on light fixture, there is following features:
The air-pressure balancing device that the present embodiment proposes, self-adjustable balanced component 1 is provided with in the through hole 211 of main body 21, when light fixture inner chamber air pressure is less than light fixture external pressure, balanced component 1 automatically can regulate and light fixture inner chamber is communicated with outside atmosphere, thus achieves the air pressure balance inside and outside lamp chamber, effectively prevent the generation of suck-back phenomenon, thus improve sealing property, extend the service life of light fixture, and its structure is simple, reduces production cost.
In the present embodiment, aforementioned body 21 is in column structure, and the left end of main body 21 is extended with laterally and is communicated with post 23, this connection post 23 is communicated with the through hole 211 in aforementioned body 21, and this connection post 23 stretches in the chamber of light fixture, like this, be communicated with post 23 just light fixture inner chamber to be communicated with through hole 211.
Also be provided with the first dry part 14 in the through hole 211 of aforementioned body 21, this first dry part 14 is positioned at through hole 211 one end, and between the bottom being namely communicated with post 23 and spring 11, and this first dry part 14 is abutted against by above-mentioned spring 11 compression; The effect of this first dry part 14 is, enters in light fixture inner chamber realizes air pressure balance, the air entered is carried out drying process, this ensure that the drying of light fixture chamber air at light fixture extraneous air through through hole 211.
The left end edge of aforementioned body 21 periphery and the bottom end being positioned at above-mentioned connection post 23 is provided with hex bolts 24, this hex bolts 24 is fixed installation for main body 21 and lamp outer casing; In the present embodiment, what main body 21, connection post 23, hex bolts 24 adopted is one-body molded, and certainly, in other embodiments, this three also can adopt other technology mode to form entirety, such as welding etc.
In the present embodiment, above-mentioned sheath body 22 has shoulder hole 221, this shoulder hole 221 is made up of upper and lower two parts, and wherein, the diameter of upper part is greater than the diameter of lower part, so the top and the bottom of this shoulder hole 221 define cascaded surface, certainly, in other embodiments, according to actual conditions and demand, shoulder hole 221 can be also other forms of structure, is not limited to this kind of structure in the present embodiment; The bottom of above-mentioned sheath body 22 also offers reticulated cell 222, this reticulated cell 222 makes the shoulder hole 221 of sheath body 22 and the ft connection of light fixture, namely, extraneous air can enter in sheath body 22 by this reticulated cell 222, certainly, in other embodiments, sheath body 22 also can be realized and being communicated with of external environment by other forms.
Aforementioned body 21 is inserted in the top of shoulder hole 221 in above-mentioned sheath body 22, and on the cascaded surface of the end abutment of main body 21 in shoulder hole 221, the second dry part 15 is also provided with in the bottom of shoulder hole 221, diaphragm seal 13 in one end of this second dry part 15 and above-mentioned through hole 211 leans, the other end is to the bottom being located at sheath body 22, the effect of this second dry part 15 is, carries out drying process to the air entered bottom sheath body 22.
What above-mentioned first dry part 14 and above-mentioned second dry part 15 adopted is cylindricality honeycomb drier, and, it is fixing that first dry part 14 and above-mentioned through hole 211 take interference fit to realize, equally, second dry part 15 and the bottom of above-mentioned shoulder hole 221 are also take interference fit to realize fixing, certainly, in other embodiments, the first dry part 14 and the second dry part 15 also can adopt other forms of drier.
In above-mentioned through hole 211, be also provided with netted ventail 16, herein, ventail 16 also can adopt other forms of structure, is not limited to network structure; This ventail 16 is arranged between above-mentioned first dry part 14 and above-mentioned spring 11, like this, when spring 11 is flexible time, the left end of spring 11 can not directly be connected on the first dry part 14, and, in the process of lamp chamber inside and outside air pressure balance, ventail 16 can also play the effect of buffer gas flow.
In the present embodiment, above-mentioned diaphragm seal 13 is close to and is arranged on above-mentioned slide block 12, and lean with above-mentioned second dry part 15, when the air pressure of light fixture inner chamber is less than light fixture external pressure, outside atmospheric pressure promotes diaphragm seal 13 and moves to the inner of through hole 211 together with slide block 12, and above-mentioned spring 11 is compressed, meanwhile, air slot 212 on through hole 211 outer end inner wall exposes, and the air slot 212 exposed forms with above-mentioned sheath body 22 and is communicated with, like this, the air of light fixture outside enters in sheath body 22 through the second dry part 15, the air entered enters in through hole 211 through air slot 212 again, then through ventail 16, first dry part 14 also enters light fixture inner chamber through above-mentioned connection post 23, and then realize air pressure balance.
Additionally provide a kind of light fixture using above-mentioned air-pressure balancing device in embodiments of the invention, comprise housing and luminescence component, this luminescence component is fixedly installed on the inside of housing, does not illustrate luminescence component in the accompanying drawings herein; Above-mentioned housing offers installing hole, this installing hole is installed with above-mentioned air-pressure balancing device, the air pressure balance inside and outside lamp chamber is achieved by this air-pressure balancing device, ensure that light fixture is at rational operate in pressure ranges, effectively prevent the generation of suck-back phenomenon, avoid the impurity such as steam, dust to enter in light fixture inner chamber, extend the service life of light fixture.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an air-pressure balancing device, for light fixture, is characterized in that, comprising: the balanced component automatically regulated when light fixture inner chamber air pressure is less than light fixture external pressure, and is fixed on the installation component on lamp casing; Described installation component comprises and has the main body of through through hole and the sheath body of one end open, and one end of described main body is placed in light fixture inner chamber, and the other end is inserted in described sheath body along the opening of described sheath body, the other end of described sheath body and light fixture ft connection; The hole wall of described through hole outer end is provided with the air slot for being communicated with described sheath body; Described balanced component comprises the spring, slide block and the diaphragm seal that are sequentially arranged in described through hole.
2. air-pressure balancing device as claimed in claim 1, it is characterized in that, described main body is column structure, and its one end is protruding connection post, and described connection post is for being communicated with described through hole and light fixture inner chamber.
3. air-pressure balancing device as claimed in claim 2, is characterized in that, on the periphery of described main body and the bottom being positioned at described connection post is provided with for hard-wired hex bolts.
4. air-pressure balancing device as claimed in claim 2, is characterized in that, is provided with the first dry part in described through hole between described connection post bottom and described spring.
5. air-pressure balancing device as claimed in claim 1, it is characterized in that, described sheath body has shoulder hole, and the upper diameter of described shoulder hole is greater than its underpart diameter, and the bottom of described sheath body offers the reticulated cell being communicated with described shoulder hole and light fixture outside.
6. air-pressure balancing device as claimed in claim 5, it is characterized in that, described main body is inserted in described shoulder hole, and abuts on cascaded surface in the inner, and the bottom of described shoulder hole is built-in with the second dry part.
7. air-pressure balancing device as claimed in claim 4, it is characterized in that, described first dry part is cylindricality honeycomb drier, described first dry part and described through hole interference fit.
8. air-pressure balancing device as claimed in claim 4, is characterized in that, is provided with circular Reticular breathable sheet in described through hole between described first dry part and described spring.
9. the air-pressure balancing device as described in any one of claim 1 ~ 6, is characterized in that, described diaphragm seal and described slide block are close to setting, and described diaphragm seal can move in described through hole along with described slide block.
10. a light fixture, comprise housing and establish luminescence component in the inner, it is characterized in that, described housing is provided with installing hole, and described installing hole is provided with the air-pressure balancing device as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444431.2A CN104515107B (en) | 2013-09-26 | 2013-09-26 | A kind of air-pressure balancing device and the lamps and lanterns with the air-pressure balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444431.2A CN104515107B (en) | 2013-09-26 | 2013-09-26 | A kind of air-pressure balancing device and the lamps and lanterns with the air-pressure balancing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104515107A true CN104515107A (en) | 2015-04-15 |
| CN104515107B CN104515107B (en) | 2018-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310444431.2A Active CN104515107B (en) | 2013-09-26 | 2013-09-26 | A kind of air-pressure balancing device and the lamps and lanterns with the air-pressure balancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104515107B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595529A (en) * | 2018-11-30 | 2019-04-09 | 海宁市耐得照明电器有限公司 | A kind of high photosynthetic efficiency turn signal light bulb |
| CN110967141A (en) * | 2019-11-22 | 2020-04-07 | 南京南瑞水利水电科技有限公司 | Waterproof and moistureproof air pressure balancing device for micro-pressure sensor |
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| CN101852418A (en) * | 2010-04-02 | 2010-10-06 | 海洋王照明科技股份有限公司 | Pressure balancing device and lamp using same |
| CN201866736U (en) * | 2010-09-15 | 2011-06-15 | 台州市轩金车灯制造有限公司 | Air exhaust cooling device of automobile front combined lamp |
| CN102537443A (en) * | 2010-12-14 | 2012-07-04 | 海洋王照明科技股份有限公司 | Safety valve of telescopic cylinder |
| CN202691989U (en) * | 2012-05-15 | 2013-01-23 | 浙江金刚汽车有限公司 | Automobile headlamp ventilating pipe device |
| CN103036263A (en) * | 2011-10-10 | 2013-04-10 | 海洋王照明科技股份有限公司 | Charging port assembly and lamp |
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2013
- 2013-09-26 CN CN201310444431.2A patent/CN104515107B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852418A (en) * | 2010-04-02 | 2010-10-06 | 海洋王照明科技股份有限公司 | Pressure balancing device and lamp using same |
| CN201866736U (en) * | 2010-09-15 | 2011-06-15 | 台州市轩金车灯制造有限公司 | Air exhaust cooling device of automobile front combined lamp |
| CN102537443A (en) * | 2010-12-14 | 2012-07-04 | 海洋王照明科技股份有限公司 | Safety valve of telescopic cylinder |
| CN103036263A (en) * | 2011-10-10 | 2013-04-10 | 海洋王照明科技股份有限公司 | Charging port assembly and lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595529A (en) * | 2018-11-30 | 2019-04-09 | 海宁市耐得照明电器有限公司 | A kind of high photosynthetic efficiency turn signal light bulb |
| CN110967141A (en) * | 2019-11-22 | 2020-04-07 | 南京南瑞水利水电科技有限公司 | Waterproof and moistureproof air pressure balancing device for micro-pressure sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104515107B (en) | 2018-12-18 |
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