CN203718678U - Light source module of light interference methane measuring device - Google Patents
Light source module of light interference methane measuring device Download PDFInfo
- Publication number
- CN203718678U CN203718678U CN201420079882.0U CN201420079882U CN203718678U CN 203718678 U CN203718678 U CN 203718678U CN 201420079882 U CN201420079882 U CN 201420079882U CN 203718678 U CN203718678 U CN 203718678U
- Authority
- CN
- China
- Prior art keywords
- screw
- light source
- bulb
- negative pole
- seat
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000009434 installation Methods 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Connecting Device With Holders (AREA)
Abstract
The utility model discloses a light source module of a light interference methane measuring device. The light source module comprises a lamp holder and a bulb arranged on the lamp holder, wherein the lamp holder comprises a positive holder and a negative holder which are connected through an insulating ring; a mounting through hole provided with an inner thread is formed in the top of the negative holder; a screw base provided with an outer thread is arranged on the bulb, in threaded connection with the mounting through hole and propped against the top of the positive holder; a screw hole is formed in the side wall of the negative holder, a screw matched with the screw hole is in threaded connection with the screw hole, and one end of the screw is propped against the screw base of the bulb. According to the light source module of the light interference methane measuring device, the connection of the bulb with the lamp holder is enhanced, and the failure of the connection of the bulb with the lamp holder is avoided, so that the light source module of the light interference methane measuring device can provide a stable light source, and the hidden danger of underground safety accidents is eliminated.
Description
Technical field
The utility model relates to a kind of light source group, relates in particular to a kind of light source group of light interference methane tester.
Background technology
As everyone knows, underground work has high danger, and its potential safety hazard comes from the methane gas content of high concentration, when downhole operations personnel discover while peculiar smell, late.For this reason, down-hole need to adopt light interference type methane analyzer to measure quickly and accurately the concentration of the pernicious gas such as methane, carbon dioxide in subsurface environment conventionally.Light interference type methane analyzer of the prior art adopts bulb as light source conventionally, bulb and lamp socket are threaded connection and form light source group, but, when light source group is impacted, vibration, varying load, when the affecting of the factor such as temperature and humidity, frictional force between bulb and lamp socket screw thread can reduce or disappear, bulb with just there will be the problems such as loosening or inefficacy being connected of lamp socket, and then cause bulb and lamp socket loose contact, make the light source group of light interference methane tester unstable, even ineffective, the unstability of this light interference type methane analyzer light source group is directly brought serious hidden danger to mine ventilation and safety.
Utility model content
The problem existing for prior art, the purpose of this utility model is to provide a kind of light source group of light interference methane tester, and this light source group can be strengthened the connection between bulb and lamp socket.
The purpose of this utility model is achieved through the following technical solutions:
A light source group for light interference methane tester, comprises lamp socket and is arranged on the bulb on described lamp socket, described lamp socket comprises positive electrode seat and negative pole seat, and described positive electrode seat is connected by insulated ring with described negative pole seat, wherein,
The top of described negative pole seat offers the female installation through hole of tool, is provided with and has externally threaded screw socket on described bulb, and described screw socket and described installation through hole are spirally connected, and with the top butt of described positive electrode seat;
The sidewall of described negative pole seat is provided with screw, is bolted with the screw suitable with described screw in described screw, and the end of described screw is connected on the screw socket of described bulb.
Further, the end of described screw is through externally threaded crest and the described screw socket butt of described negative pole seat.
Further, described screw is opened in the edge of described insulated ring near described negative pole seat one side.
Further, described screw is of a size of M1.4.
Further, the bottom of described negative pole seat and the top of described positive electrode seat offer respectively the groove for holding described insulated ring.
Further, described insulated ring is rubber ring.
The light source group of the light interference methane tester that the utility model provides is provided for the screw of fixing bulb in positive electrode seat, thereby strengthen being connected of bulb and lamp socket, avoid occurring the Joint failure between bulb and lamp socket, make the light source group of light interference methane tester that stable light source can be provided, eliminate the hidden danger of downhole safety accident.
Brief description of the drawings
Fig. 1 is the light source group schematic diagram of a kind of preferred light interference methane tester of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is described in detail.Wherein identical parts represent with identical Reference numeral.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, and word " interior " and " outward " refer to respectively the direction towards or away from specific features geometric center.
As shown in Figure 1, the utility model provides a kind of light source group of light interference methane tester, described light source group comprises lamp socket 1 and is arranged on the bulb 2 on described lamp socket 1, described lamp socket 1 comprises positive electrode seat 12 and negative pole seat 11, between positive electrode seat 12 and negative pole seat 11, be short-circuited, the interval between positive electrode seat 12 and the negative pole seat 11 of the present embodiment is preferably 1mm.
Positive electrode seat 12 of the present utility model is connected by insulated ring 3 with negative pole seat 11, insulated ring 3 can prevent that positive electrode seat 12 from coming in contact or being connected with negative pole seat 11, and then avoid losing efficacy because short circuit causes light source group, described insulated ring 3 is preferably rubber ring, rubber ring not only has good insulating properties, also there is excellent elasticity, therefore rubber ring can be set on described positive electrode seat 12 and described negative pole seat 11 more easily, makes the connection between described positive electrode seat 12 and described negative pole seat 11 convenient.
As a kind of preferred version of the present utility model, the top of the bottom of described negative pole seat 11 and described positive electrode seat 12 offers respectively the groove for holding described insulated ring 3, described groove has positioning action to described insulated ring 3: described insulated ring 3 is set in described negative pole seat 11 and described positive electrode seat 12 and splices in the groove that, can prevent play or the dislocation of insulated ring 3, thereby make the connection between described positive electrode seat 12 and described negative pole seat 11 more stable and firm.
The top of negative pole seat 11 of the present utility model offers the female installation through hole of tool, on described bulb 2, be provided with and there is externally threaded screw socket, described screw socket and described installation through hole are spirally connected, and with the top butt of described positive electrode seat 12, in order to make the screw socket of bulb 2 can more stably be connected to the top of described positive electrode seat 12, this city is implemented preferably to offer the pit suitable with the end of described screw socket at the top of described positive electrode seat 12.
Being spirally connected of the installation through hole of the utility model by screw socket and negative pole seat 11 forms being connected of bulb 2 and lamp socket 1 negative pole, and by the butt formation bulb 2 of the screw socket on bulb 2 and positive electrode seat 12 and being connected of lamp socket 1 positive pole, positive electrode seat 12 of the present utility model and negative pole seat 11 form complete loops by external circuit and power supply again, switch is also set in described loop and controls bulb 2 and work.
In order to reinforce the connection between described negative pole seat 11 and bulb 2, the utility model arranges screw 4 at the sidewall of described negative pole seat 11, and in described screw 4, be spirally connected and the suitable screw 5 of described screw 4, certainly, in screw 4, assemble after described screw 5, the end of described screw 5 should be connected on the screw socket of described bulb 2, thereby improve the bonding strength between described installation through hole and the screw socket of described bulb 2, avoid between the screw socket of bulb 2 and the installation through hole of lamp socket 1 due to impact, vibration, varying load, or temperature, the variation of humidity and cause the Joint failure of installing between through hole and the screw socket of bulb 2.
As a kind of preferred version of the present utility model, the end of the present embodiment screw 5 is through externally threaded crest and the described screw socket butt of described negative pole seat 11.The side thickness of considering conventional negative pole seat 11 is only 1-2mm, in order to ensure the effective connecting length of screw 4, make screw 4 that enough the be spirally connected number of turns and fastening forces can be provided, the present embodiment is preferably opened in described screw 4 on the crest of internal thread of negative pole seat 11, thereby on negative pole seat 11 sidewalls of limited thickness, improves as far as possible the effective connecting length of screw 4.
Cause the short circuit between positive electrode seat 12 and negative pole seat 11 for fear of the screw 5 being arranged on described lamp socket 1, the present embodiment is preferably opened in described screw the edge of described insulated ring 3 near described negative pole seat 11 1 sides.It will be understood by those skilled in the art that above-mentioned screw 4 setting positions are only a kind of preferred versions of the present embodiment, the utility model can also arrange screw in other position of described lamp socket 1, repeats no more herein.
In order to ensure the overall performance of light source group, avoid excessive with the adaptive screw 5 being connected of described screw 4 and interfere the relative motion of other parts in lamp socket 1 and methane analyzer, the present embodiment preferably offers the screw of M1.4 on the sidewall of negative pole seat 11, thereby reduces screw 5 sizes.It will be understood by those skilled in the art that the screw of offering M1.4 is only a kind of preferred version of the present utility model, those skilled in the art can adjust according to actual service conditions the size of screw, repeat no more herein.
To sum up, the light source group of the light interference methane tester that the utility model provides is provided for the screw 5 of fixing bulb in positive electrode seat, thereby strengthen being connected of bulb and lamp socket, avoid occurring the Joint failure between bulb and lamp socket, make the light source group of light interference methane tester that stable light source can be provided, eliminate the hidden danger of downhole safety accident.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (6)
1. a light source group for light interference methane tester, is characterized in that, comprises lamp socket and is arranged on the bulb on described lamp socket, and described lamp socket comprises positive electrode seat and negative pole seat, and described positive electrode seat is connected by insulated ring with described negative pole seat, wherein,
The top of described negative pole seat offers the female installation through hole of tool, is provided with and has externally threaded screw socket on described bulb, and described screw socket and described installation through hole are spirally connected, and with the top butt of described positive electrode seat;
The sidewall of described negative pole seat is provided with screw, is bolted with the screw suitable with described screw in described screw, and the end of described screw is connected on the screw socket of described bulb.
2. the light source group of light interference methane tester according to claim 1, is characterized in that, the end of described screw is through externally threaded crest and the described screw socket butt of described negative pole seat.
3. the light source group of light interference methane tester according to claim 1, is characterized in that, described screw is opened in the edge of described insulated ring near described negative pole seat one side.
4. the light source group of light interference methane tester according to claim 1, is characterized in that, described screw is of a size of M1.4.
5. the light source group of light interference methane tester according to claim 1, is characterized in that, the bottom of described negative pole seat and the top of described positive electrode seat offer respectively the groove for holding described insulated ring.
6. according to the light source group of the light interference methane tester described in any one in claim 1-5, it is characterized in that, described insulated ring is rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079882.0U CN203718678U (en) | 2014-02-25 | 2014-02-25 | Light source module of light interference methane measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079882.0U CN203718678U (en) | 2014-02-25 | 2014-02-25 | Light source module of light interference methane measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718678U true CN203718678U (en) | 2014-07-16 |
Family
ID=51157825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079882.0U Expired - Lifetime CN203718678U (en) | 2014-02-25 | 2014-02-25 | Light source module of light interference methane measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718678U (en) |
-
2014
- 2014-02-25 CN CN201420079882.0U patent/CN203718678U/en not_active Expired - Lifetime
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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 |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |