CN203746791U - Ultraviolet photoelectric tube - Google Patents
Ultraviolet photoelectric tube Download PDFInfo
- Publication number
- CN203746791U CN203746791U CN201320877689.7U CN201320877689U CN203746791U CN 203746791 U CN203746791 U CN 203746791U CN 201320877689 U CN201320877689 U CN 201320877689U CN 203746791 U CN203746791 U CN 203746791U
- Authority
- CN
- China
- Prior art keywords
- shell
- negative electrode
- anode
- anode body
- snap ring
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 208000033641 Ring chromosome 5 syndrome Diseases 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 208000035397 Ring chromosome 7 syndrome Diseases 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to an ultraviolet photoelectric tube comprising a tube shell. The tube shell is connected with an anode. A cathode is arranged below the anode. The anode includes an anode body which is convex downwards. The anode body is provided with a mounting groove having an upward opening. A light window is arranged in the mounting groove. The anode body is shaped to match the inner wall of the upper end of the tube shell. The lower end of the anode body is inserted in the upper part of the tube shell. The upper end of the anode body is equipped with a first positioning clamping ring. The first positioning clamping ring projects from the outer side of the upper direction of the anode body. The lower edge of the first positioning clamping ring is connected with the upper end face of the tube shell. According to the structure, the light window is placed in the mounting groove pre-arranged in the anode body, and is then stably lapped above the tube shell through the first positioning clamping ring, which ensures high connection strength and makes the structure more stable. The ultraviolet photoelectric tube is convenient to manufacture, low in cost, easy to process and manufacture, and higher in structure stability.
Description
Technical field
The utility model relates to a kind of photoelectric device, particularly a kind of ultraviolet phototube.
Background technology
Ultraviolet phototube is to utilize the external photoelectric effect of material electron emission under the irradiation of light and one of photoelectric device of making, conventionally formed by a negative electrode and an anode, and be sealed in a glass tube with vacuum, negative electrode is contained on glass tube inwall, on it, scribble photoemissive material, and anode is towards direction of illumination and be placed in the central authorities of glass tube, in the time that incident ultraviolet ray is radiated on ultraviolet pipe minus plate, electronics overcomes the constraint of metal surface to it and effusion metal surface, form electron emission, ultraviolet phototube is used for ultraviolet measurement, flame monitoring etc.
Application number is that 201120343887.6 Chinese utility model patent " a kind of ultraviolet phototube " discloses a kind of ultraviolet phototube, comprise shell and base, opening is arranged at described shell top, described base and shell encapsulation vacuumize formation seal chamber, in described cavity, comprise negative electrode, described negative electrode top is provided with anode, between described negative electrode and anode, be provided with electrode insulation part, described anode top is provided with the optical window of being made up of saturating purple material, described optical window is in described shell opening part and shell sealing-in, described anodic bonding anode pin, described negative electrode connects negative electrode pin, described negative electrode pin and anode pin stretch out in outside base, described anode comprises purple material matrix and is overlying on the saturating purple metallic diaphragm of nanoscale of matrix surface, described negative electrode comprises nonmetal basal body and is overlying on the doping metals rete of matrix surface, but, still there is complex structure in existing structure, processing and manufacturing difficulty is large, the weak points such as bonding strength is poor.
Utility model content
The technical problems to be solved in the utility model is to overcome the above-mentioned deficiency of prior art, provide a kind of simple in structure, be easy to processing and manufacturing, good, the constitutionally stable ultraviolet phototube of bonding strength.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of ultraviolet phototube, comprise shell, described shell is connected with anode, the below of described anode is provided with negative electrode, described anode comprises an anode body to lower convexity, described anode body is provided with uncovered mounting groove upward, in described mounting groove, be provided with optical window, the inner wall shape of the external form of described anode body and shell upper end is mutually adaptive, the lower end of described anode body is plugged in the top of shell, the upper end of described anode body arranges the first location snap ring, described the first location snap ring is by the top projection laterally of anode body, described the first location lower edge of snap ring and the upper surface of shell are connected.Adopt such structure, by optical window being positioned in the mounting groove being preset on anode body, again by the stable top that is overlapped in shell of the first location snap ring, such mode not only bonding strength is good, structure is more stable, and manufactures conveniently, with low cost, be easy to processing and manufacturing, and the structural stability of product is better.
Preferably, described negative electrode comprises the negative electrode body raising up, the inner wall shape of the external form of described negative electrode body and shell lower end is mutually adaptive, the upper end of described negative electrode body is plugged in the bottom of shell, the lower end of described negative electrode body is provided with the second location snap ring, described the second location snap ring is by the below projection laterally of negative electrode body, and described the second location upper limb of snap ring and the lower surface of shell are connected.Adopt such structure, make to be connected between negative electrode and shell more stable, not only resistance to overturning and sealing property are better, and are more conducive to keep the vacuum degree of shell inside, prevent from causing inner member peroxidating because of gas leakage.
Most preferred, described shell is made up of pottery.Pottery can adopt 95 porcelain or 99 porcelain, best results.
Most preferred, the upper and lower end face of the shell of making at pottery is provided with metal layer.Adopt such structure, connect more stable, tight.
Most preferred, the wall thickness of described shell is 0.30mm～0.40mm.
Preferably, the distance between the lower surface of described anode and the upper surface of negative electrode is 0.30mm～0.40mm.
Preferably, described negative electrode is provided with blast pipe, and described blast pipe is communicated to shell inside by the below of negative electrode.Adopt such structure, be easy to shell inside to inflate, exit.
Most preferred, this blast pipe is by copper tube or oxygen-free copper pipe.
compared with prior art, the beneficial effects of the utility model are:by optical window being positioned in the mounting groove being preset on anode body, again by the stable top that is overlapped in shell of the first location snap ring, such mode not only bonding strength is good, structure is more stable, and manufacture conveniently, with low cost, be easy to processing and manufacturing, and the structural stability of product is better.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the another execution mode of the utility model;
Mark in figure: shell-1; Anode body-2; Mounting groove-3; Optical window-4; The first snap ring-5, location; Negative electrode body-6; The second snap ring-7, location; Blast pipe-8.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Execution mode of the present utility model is not limited to following examples, within the various variations of making under the prerequisite that does not depart from the utility model aim all belong to protection range of the present utility model.
As shown in Figure 1, a kind of ultraviolet phototube of the present embodiment, comprise shell 1, in the present embodiment, shell 1 is made up of pottery, concrete, pottery adopts 95 porcelain or 99 porcelain, the wall thickness of shell 1 is 0.30mm～0.40mm, shell 1 is connected with anode, the below of anode is provided with negative electrode, the upper and lower end face of the shell 1 of making at pottery is provided with metal layer, make shell 1 be connected more stable with other parts, closely, anode comprises an anode body 2 to lower convexity, anode body 2 is provided with uncovered mounting groove 3 upward, in mounting groove 3, be provided with optical window 4, the inner wall shape of the external form of anode body 2 and shell 1 upper end is mutually adaptive, the lower end of anode body 2 is plugged in the top of shell 1, the upper end of anode body 2 arranges the first location snap ring 5, the first location snap ring 5 is by the top projection laterally of anode body 2, the lower edge of the first location snap ring 5 is connected with the upper surface of shell 1, negative electrode comprises the negative electrode body 6 raising up, the inner wall shape of the external form of negative electrode body 6 and shell 1 lower end is mutually adaptive, the upper end of negative electrode body 6 is plugged in the bottom of shell 1, the lower end of negative electrode body 6 is provided with the second location snap ring 7, the second location snap ring 7 is by the below projection laterally of negative electrode body 6, the upper limb of the second location snap ring 7 is connected with the lower surface of shell 1, adopt such structure, make to be connected between negative electrode and shell 1 more stable, not only resistance to overturning and sealing property are better, and be more conducive to keep the vacuum degree of shell 1 inside, prevent from causing inner member peroxidating because of gas leakage, distance between the lower surface of anode and the upper surface of negative electrode is 0.30mm～0.40mm, be provided with blast pipe 8 at negative electrode, the upper end of blast pipe 8 is communicated to shell 1 inside by the upper surface of negative electrode, the lower end of blast pipe 8 is stretched out downwards by the bottom of negative electrode, be easy to shell 1 inside to inflate, venting, this blast pipe 8 is by copper tube or oxygen-free copper pipe.
Adopt said structure, by optical window 4 being positioned in the mounting groove 3 being preset on anode body 2, again by the first stable top that is overlapped in shell 1 of location snap ring 5, such mode not only bonding strength is good, structure is more stable, and manufactures conveniently, with low cost, be easy to processing and manufacturing, and the structural stability of product is better.
Figure 2 shows that another execution mode of the present invention, wherein, the upper end of shell 1 is by the sidepiece integral coating of anode body 2; In addition, be provided with blast pipe 8 at negative electrode 6, blast pipe 8 stretches to shell 1 inside by negative electrode 6, and the upper surface of blast pipe 8 is higher than the upper surface of negative electrode 6.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (4)
1. a ultraviolet phototube, comprise shell, described shell is connected with anode, the below of described anode is provided with negative electrode, it is characterized in that: described anode comprises an anode body to lower convexity, described anode body is provided with uncovered mounting groove upward, in described mounting groove, be provided with optical window, the inner wall shape of the external form of described anode body and shell upper end is mutually adaptive, the lower end of described anode body is plugged in the top of shell, the upper end of described anode body arranges the first location snap ring, described the first location snap ring is by the top projection laterally of anode body, described the first location lower edge of snap ring and the upper surface of shell are connected.
2. ultraviolet phototube according to claim 1, it is characterized in that: described negative electrode comprises the negative electrode body raising up, the inner wall shape of the external form of described negative electrode body and shell lower end is mutually adaptive, the upper end of described negative electrode body is plugged in the bottom of shell, the lower end of described negative electrode body is provided with the second location snap ring, described the second location snap ring is by the below projection laterally of negative electrode body, and described the second location upper limb of snap ring and the lower surface of shell are connected.
3. ultraviolet phototube according to claim 1, is characterized in that: the distance between the lower surface of described anode and the upper surface of negative electrode is 0.30mm～0.40mm.
4. ultraviolet phototube according to claim 3, is characterized in that: described negative electrode is provided with blast pipe, and described blast pipe is communicated to shell inside by the below of negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877689.7U CN203746791U (en) | 2013-12-27 | 2013-12-27 | Ultraviolet photoelectric tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877689.7U CN203746791U (en) | 2013-12-27 | 2013-12-27 | Ultraviolet photoelectric tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746791U true CN203746791U (en) | 2014-07-30 |
Family
ID=51346556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877689.7U Expired - Lifetime CN203746791U (en) | 2013-12-27 | 2013-12-27 | Ultraviolet photoelectric tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715053A (en) * | 2013-12-27 | 2014-04-09 | 成都凯迈科技有限公司 | Ultraviolet photoelectric tube and manufacturing method thereof |
-
2013
- 2013-12-27 CN CN201320877689.7U patent/CN203746791U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715053A (en) * | 2013-12-27 | 2014-04-09 | 成都凯迈科技有限公司 | Ultraviolet photoelectric tube and manufacturing method thereof |
| CN103715053B (en) * | 2013-12-27 | 2016-03-30 | 成都凯迈科技有限公司 | A kind of ultraviolet phototube and manufacture method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |