CN100576422C - Double-electrode fluorescent lamp - Google Patents
Double-electrode fluorescent lamp Download PDFInfo
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- CN100576422C CN100576422C CN200510035073A CN200510035073A CN100576422C CN 100576422 C CN100576422 C CN 100576422C CN 200510035073 A CN200510035073 A CN 200510035073A CN 200510035073 A CN200510035073 A CN 200510035073A CN 100576422 C CN100576422 C CN 100576422C
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- electrode
- fluorescent tube
- suppor
- stem
- seal wire
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Abstract
A kind of double-electrode fluorescent lamp, two strip electrodes are installed respectively on the electrode suppor at fluorescent tube two ends, according under the hypobaric condition of fluorescent tube, two strip electrodes that have on the every termination electrode support of fluorescent tube, main by a little physical phenomenon of carrying out cathodic discharge of resistance value, the electrode life that makes double-electrode fluorescent lamp prolongs nearly one times than the electrode life of the single electrode fluorescent tube of prior art, because the useful life of depending on electrode useful life of fluorescent tube, thereby the working life that has prolonged fluorescent tube effectively, improved the price function ratio of fluorescent tube, and simple in structure.
Description
Technical field
The present invention relates to a kind of electrode suppor device of fluorescent tube, relate in particular to a kind of double-electrode fluorescent lamp.
Background technology
The fluorescent lamp lamp is one of crucial factor that influences fluorescent lifetime with the performance of electrode.After fluorescent lamp comes out, people just begin the aspects such as decomposition activation technology of electrode emission material in material, shape, structure, coiling mode, electrode electronic emission material (electronics powder) composition and coating method, the exhaust process at electrode and constantly study, in the hope of improving the technical performance of lamp with electrode, and constantly make progress at aspects such as reducing electrode electronic emission material effusion power and anti-ion bombardment performance, existing fluorescent lamp electrode technical performance is improved constantly, make reach 8000～12000 hours the useful life of lamp.But light " sputter " and " evaporation " phenomenon of burning-point process generation that begins to produce at fluorescent tube, make the actual life of fluorescent lamp and calculate to differ greatly useful life, thereby reduced the price function ratio of fluorescent tube.
Summary of the invention
The object of the present invention is to provide a kind of electrode life length, functional price than high double-electrode fluorescent lamp.
The objective of the invention is and can realize by following technical measures: two fixed electrode seal wires on the electrode suppor stem stem are installed two filaments respectively, coat the electronics powder, constitute the electrode suppor that has two strip electrodes, and two electrode suppors that have two strip electrodes are put into respectively in two inputs of fluorescent tube, the horn mouth of two electrode suppors that have two strip electrodes and two inputs of fluorescent tube are sealedly and fixedly connected respectively.
Four fixed electrode seal wire A, A1, B, B1 are arranged on the electrode suppor stem stem, A is connected with A1, B is connected with B1, article one, filament is installed on fixed electrode seal wire A and the B, another filament is installed on fixed electrode seal wire A1 and the B1, coat the electronics powder, constitute the electrode suppor have two strip electrodes, and have the electrode suppor horn mouth of two strip electrodes and two input ports of fluorescent tube are sealedly and fixedly connected respectively two.
E shape metal baffle plate is installed on the independent seal wire of each electrode suppor stem stem, and respectively with two electrodes surrounding on this support, screen is obstructed with circuit.
The invention has the beneficial effects as follows: according to two filaments are installed respectively on the fluorescent tube two end electrodes support, after coating the electronics powder, make on the every termination electrode support of fluorescent tube and have two strip electrodes, in fluorescent tube under hypobaric condition, main by a little physical phenomenon of carrying out cathodic discharge of resistance value, the electrode life that makes double-electrode fluorescent lamp prolongs nearly one times than the electrode life of the single electrode fluorescent tube of prior art, because the useful life of depending on electrode useful life of fluorescent tube, therefore, also prolonged the useful life of fluorescent tube effectively, improved the price function ratio of fluorescent tube, and simple in structure, it is few to increase cost.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation that two fixed electrode seal wires are installed two strip electrodes on the electrode suppor stem stem;
Fig. 2 is the structural representation that four fixed electrode seal wires are installed two strip electrodes on the electrode suppor stem stem;
Fig. 3 is the structural representation that the bipolar electrode support is placed E shape metal baffle plate;
Embodiment
Among Fig. 1, article two, filament 6, on the 7 fixed electrode seal wires 4 and fixed electrode seal wire 5 that are installed in respectively on electrode suppor 2 stem stems, article two, filament 12, on the 13 fixed electrode seal wires 10 and fixed electrode seal wire 11 that are installed in respectively on electrode suppor 3 stem stems, article four, after filament is coated the electronics powder respectively, make electrode suppor 2 and electrode suppor 3 have two electrodes respectively, electrode suppor 2 and electrode suppor 3 are put in two inputs of phosphor powder tube, its stem stem horn mouth 9,14 respectively with two input ports 8 of fluorescent lamp tube cell, 15 are sealedly and fixedly connected, by other lamp manufacturing process, be processed into the finished product fluorescent tube of bipolar electrode fluorescent lamp.Because in the physical process that fluorescent tube starts, fluorescent tube is under the effect of effective voltage, electrical breakdown takes place earlier in gas between the electrode of lamp tube ends, cause glow discharge then, transfer to arc discharge by glow discharge then, form thermion electric arc, reach local equilibrium at last, the normal burning-point of fluorescent lamp.Causing cathode emission material loss main cause is that sputter and evaporation cause, electrode blast temperature rise causes that cathode emission material sheet peels off during startup, can reduce the storage capacity of coating significantly, and be the reason that causes the oxidation material evaporation during normal burning-point, the working life of fluorescent lamp is actually by electrode decision, when negative electrode can not be from heat emission that oxide coating obtains enriching, fluorescent tube is not to be not easy to start, be exactly in glow discharge " stranded ", this will make all residue cathode materials spatter very soon, even and if lamp is also bad.Thereby improve the storage capacity of decomposition activation rear oxidation thing coating effectively, just can prolong the useful life of electrode effectively.Experiment is found, two strip electrodes are installed respectively on the electrode suppor at fluorescent tube two ends, in pipe under hypobaric condition, every end is mainly carried out the physical phenomenon of cathodic discharge by the little strip electrode of resistance value, have two cathodes than having only a cathode to double on the every termination electrode support of the prior art stem stem on the every termination electrode support stem stem of practice explanation, thereby prolonged useful life of electrode effectively, also be the working life that has improved fluorescent tube effectively.Adopt the bipolar electrode support to be applicable to the application of straight type, ring-like, compact and combined fluorescent tube, tube diameter is Φ 12～Φ 32, and power of lamp tube is 15W～300W.
Among Fig. 2, four fixed electrode seal wire A are arranged on every termination electrode support stem stem, A1, B, B1, A is connected with A1, B is connected with B1, filament 4 is installed in fixed electrode seal wire A, on the B, filament 5 is installed in fixed electrode seal wire A1, on the B1, coat the electronics powder, make on electrode suppor 2 and the electrode suppor 3 and have two strip electrodes respectively, and electrode suppor 2 and electrode suppor 3 put into respectively in two inputs of fluorescent lamp tube cell 1, two inputs of the horn mouth of two electrode suppors and fluorescent tube are tightly connected respectively, by other lamp manufacturing process, are processed into the finished product fluorescent tube of bipolar electrode fluorescent lamp.Its operation principle is the same with Fig. 1.
As shown in Figure 3, on the independent seal wire 14 that E shape metal baffle plate 15 is fixed on electrode suppor 2 stem stems, on the independent seal wire 16 that E shape metal baffle plate 17 is fixed on electrode suppor 3 stem stems.E shape metal baffle plate 15 surrounds the electrode on the electrode suppor 24,5 respectively, and screen is obstructed with circuit.E shape metal baffle plate 17 surrounds the electrode on the electrode suppor 36,7 respectively, and screen is obstructed with circuit.In the process of fluorescent tube startup and normal burning-point, E shape metal baffle plate two strip electrodes of having avoided effectively coexisting on the electrode suppor pollute mutually and prevent the cathode vaporation tube wall, simultaneously, do not collect the device of anode current owing to there is other on the electrode, most of electric current must be received by transmitting coil itself, and this part power is exactly a big chunk in the desired heating transmitting coil energy, increase E shape metal baffle plate, the effect of article on plasma body is to reduce near the electric arc cross section of anode, increase current density, thereby also having increased near the electron density of negative electrode, this has also reduced cathode fall, has improved the efficient of fluorescent tube effectively.
Claims (2)
1. double-electrode fluorescent lamp, it is characterized in that: two fixed electrode seal wires on the electrode suppor stem stem are installed two filaments respectively, coat the electronics powder, make on the electrode suppor and have two strip electrodes, and have the electrode suppor horn mouth of two strip electrodes and two input ports of fluorescent tube are sealedly and fixedly connected respectively with two, tube diameter is Φ 12～Φ 32, and power of lamp tube is 15W～300W; E shape metal baffle plate is installed on the independent seal wire of each electrode suppor stem stem, and respectively with two electrodes surrounding on this support, screen is obstructed with circuit.
2. double-electrode fluorescent lamp, it is characterized in that: four fixed electrode seal wire A, A1, B, B1 are arranged on the electrode suppor stem stem, electrode seal wire A is connected with A1, electrode seal wire B is connected with B1, article one, filament is installed on fixed electrode seal wire A and the B, another filament is installed on fixed electrode seal wire A1 and the B1, makes on the electrode suppor to have two strip electrodes, and the electrode suppor horn mouth of two strip electrodes and two input ports of fluorescent tube are sealedly and fixedly connected respectively; E shape metal baffle plate is installed on the independent seal wire of each electrode suppor stem stem, and respectively with two electrodes surrounding on this support, screen is obstructed with circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510035073A CN100576422C (en) | 2005-06-10 | 2005-06-10 | Double-electrode fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510035073A CN100576422C (en) | 2005-06-10 | 2005-06-10 | Double-electrode fluorescent lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1877785A CN1877785A (en) | 2006-12-13 |
| CN100576422C true CN100576422C (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510035073A Expired - Fee Related CN100576422C (en) | 2005-06-10 | 2005-06-10 | Double-electrode fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100576422C (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919579A (en) * | 1973-03-28 | 1975-11-11 | Gen Electric | Multiple-filament electrodes for electric discharge lamps |
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2005
- 2005-06-10 CN CN200510035073A patent/CN100576422C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919579A (en) * | 1973-03-28 | 1975-11-11 | Gen Electric | Multiple-filament electrodes for electric discharge lamps |
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| CN1877785A (en) | 2006-12-13 |
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Owner name: GUANGZHOU XINYANG LIGHTING ELECTRICAL APPLIANCE C Free format text: FORMER OWNER: HUANG TIANZI Effective date: 20081024 |
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Effective date of registration: 20081024 Address after: Three post encoding five building No. 5 Tongxing Arts crafts emporium in Guangdong City Economic and Technological Development Zone Road of Entrepreneurship: 510730 Applicant after: Guangzhou Xinyang Lighting Electrical Appliance Co., Ltd. Address before: South Road in Guangdong city of Guangzhou Province Rong Qing Fang No. 16 post encoding: 510250 Applicant before: Huang Tianzi |
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