CN202928592U - Apparatus capable of eliminating external light source interference on photoelectric direct-reading meter - Google Patents
Apparatus capable of eliminating external light source interference on photoelectric direct-reading meter Download PDFInfo
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- CN202928592U CN202928592U CN 201220656850 CN201220656850U CN202928592U CN 202928592 U CN202928592 U CN 202928592U CN 201220656850 CN201220656850 CN 201220656850 CN 201220656850 U CN201220656850 U CN 201220656850U CN 202928592 U CN202928592 U CN 202928592U
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- light source
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- phototriode
- photoelectric direct
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- 230000004308 accommodation Effects 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 2
- 238000011982 device technology Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility mode, which relates to the field of the digital direct-reading device technology of a photoelectric counter, discloses an apparatus capable of eliminating an external light source interference on a photoelectric direct-reading meter. The provided apparatus comprises a housing a counter. The housing is in an oblong shape with two ends having side walls; an accommodation space is arranged inside the housing; a plurality of character wheels are accommodated in the accommodation space, wherein holes are arranged at the centers of the character wheels that are sleeved on a main shaft successively and concentrically at equal intervals; and the main shaft is fixed on the side walls. Small plates are arranged among the character wheels and are sleeved on the main shaft by positioning holes on the small plates; and photoelectric triodes and transmitting tubes are respectively welded at two sides of the small plates. According to the utility model, diaphragms are arranged at one sides of the small plates and thus the photoelectric triodes arranged on the small plates are surrounded, so that the photoelectric triodes of the counter can be prevented from being irradiated by the external light source so as to avoid the reading error made by the provided apparatus.
Description
Technical field
The utility model relates to directly reading device technical field of photoelectric counter numeral, particularly a kind of device that solves the interference of photoelectric direct-reading meter external light source.
Background technology
Directly reading device is of a great variety for the photoelectric counter numeral at present, mostly adopts the inner mode that installs sensor additional in gauging table in the water power table, as photoelectric device, mechanical drive is transformed to electric impulse signal and transfers to remote equipment.
The core component that solves the device tool of photoelectric direct-reading meter external light source interference is phototriode, and its principle is for to be conducting state under some strength, special spectrum.The mounting means of the device that solution photoelectric direct-reading meter external light source disturbs is various, and the outdoor mode of many employings is installed, and the device that solves the interference of photoelectric direct-reading meter external light source is under direct sunlight.Because the spectrum of sunshine is very complicated, contained the spectrum that can make the phototriode conducting.The energy of sunshine is very high simultaneously, at sunny weather, more than solar illumination can reach 100,000 lux, is far longer than the energy of light emitting diode irradiation phototriode.And phototriode will conducting under the light intensity of 10,000 lux the time, and namely at bright day gas, the irradiation of sunshine may cause solving the error in reading of the device that the photoelectric direct-reading meter external light source disturbs.
The utility model content
The purpose of this utility model is: for existing above-mentioned deficiency in prior art, provide a kind of device of avoiding the solution photoelectric direct-reading meter external light source interference of external light source interference.
To achieve these goals, the utility model provides following technical scheme:
a kind of device that solves the interference of photoelectric direct-reading meter external light source, comprise shell and counter, described counter comprises mainboard, polylith platelet and a plurality of character wheel, described shell is the rectangle that two ends are provided with sidewall, the inside of described shell has an accommodation space, described accommodation space accommodates a plurality of character wheels, described character wheel center is offered porose, a plurality of character wheels are concentric equidistant being linked on main shaft successively, described main shaft is fixed on described sidewall, described platelet is arranged between described character wheel, and be linked on main shaft by the pilot hole on described platelet, described platelet both sides are welded with respectively phototriode and power valve, described phototriode, power valve on the character wheel of close phototriode and the platelet of this character wheel opposite side forms a photoelectric direct read bit, described platelet is provided with diaphragm in a side that is welded with phototriode, be provided with light hole on described diaphragm, on described light hole and described platelet, the position of phototriode is corresponding.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, described counter front end also is provided with light barrier, and described light barrier two ends are connected in the sidewall top of shell.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, be provided with the character wheel hole on described light barrier.This character wheel hole correspondence is arranged at outside the digital bar of character wheel outer wrapping.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, described light barrier is the black plastic light barrier.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, the phototriode that welds on described platelet is positioned in the groove of described character wheel.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, described platelet one end is fixed on described mainboard.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, also be provided with hole on described diaphragm, the pilot hole on described hole and described platelet is suitable.
As preferred version of the present utility model, in the device that above-mentioned solution photoelectric direct-reading meter external light source disturbs, described diaphragm is cylinder.
The utility model is mainly by arranging light barrier, character wheel, diaphragm, progressively slackens sunshine to the impact of phototriode: light barrier is that the black plastic sheet is installed on the counter front, only stays the character wheel hole, can keep off most of sidelight to the interference of phototriode; Phototriode is contained in the character wheel side, and character wheel is provided with groove, and phototriode can be hidden within the character wheel groove, avoids direct light on the impact of phototriode; Diaphragm all surrounds phototriode, only stays light hole, as last one barrier, is impaired to extraneous light minimum.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, in the device due to the interference of the utility model solution photoelectric direct-reading meter external light source, diaphragm is arranged at platelet one side, the phototriode that is arranged on platelet is surrounded fully, can prevent the phototriode of external light source exposure timer and the error in reading that causes solving the device that the photoelectric direct-reading meter external light source disturbs.
2, because the utility model solves in the device that the photoelectric direct-reading meter external light source disturbs by light barrier, character wheel, diaphragm are set, light barrier is that the black plastic sheet is installed on the counter front, only stay the character wheel hole, can keep off most of sidelight to the interference of phototriode; Phototriode is contained in the character wheel side, and character wheel is provided with groove, and phototriode can be hidden within the character wheel groove, avoids direct light on the impact of phototriode; Diaphragm is impaired to extraneous light minimum as last one barrier.
Description of drawings:
Fig. 1 is the structural representation that the utility model solves the device Counter of photoelectric direct-reading meter external light source interference.
Fig. 2 is the front elevation that the utility model solves light barrier in the device that the photoelectric direct-reading meter external light source disturbs.
Fig. 3 is the front elevation that the utility model solves diaphragm in the device that the photoelectric direct-reading meter external light source disturbs.
Mark in figure: 1-shell, 2-sidewall, 3-character wheel, 4-platelet, 5-diaphragm, 6-mainboard, 7-main shaft, 8-light barrier, 9-character wheel hole, 10-numeral bar, 11-hole, 12-light hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Embodiment 1
a kind of device that solves the interference of photoelectric direct-reading meter external light source, as Fig. 1 and shown in Figure 3, comprise shell 1 and counter, described counter comprises mainboard 6, polylith platelet 4 and a plurality of character wheels 3, described shell 1 is provided with the rectangle of sidewall 2 for two ends, the inside of described shell 1 has an accommodation space, described accommodation space accommodates a plurality of character wheels 3, described character wheel 3 centers are offered porose, a plurality of character wheels 3 are concentric equidistant being linked on main shaft 7 successively, described main shaft 7 is fixed on described sidewall 2, described platelet 4 is set in turn between described character wheel 3, and be linked on main shaft 7 by the pilot hole on described platelet 4, platelet 4 both sides are welded with respectively phototriode and power valve, described phototriode, power valve on the character wheel 3 of close phototriode and the platelet 4 of this character wheel 3 opposite sides forms a photoelectric direct read bit, described platelet 4 is provided with diaphragm 5 in a side that is welded with phototriode, be provided with light hole 12 on described diaphragm 5, on described light hole 12 and described platelet 4, the position of phototriode is corresponding.
Embodiment 2
a kind of device that solves the interference of photoelectric direct-reading meter external light source, as Fig. 1, shown in Figure 3, comprise shell 1 and counter, described counter comprises mainboard 6, polylith platelet 4 and a plurality of character wheels 3, described shell 1 is provided with the rectangle of sidewall 2 for two ends, the inside of described shell 1 has an accommodation space, described accommodation space accommodates a plurality of character wheels 3, described character wheel 3 centers are offered porose, a plurality of character wheels 3 are concentric equidistant being linked on main shaft 7 successively, described main shaft 7 is fixed on described sidewall 2, described platelet 4 is arranged between described character wheel 3, and be linked on main shaft 7 by the pilot hole on described platelet 4, described platelet 4 both sides are welded with respectively phototriode and power valve, described phototriode, power valve on the character wheel 3 of close phototriode and the platelet 4 of this character wheel 3 opposite sides forms a photoelectric direct read bit, described platelet 4 is provided with diaphragm 5 in a side that is welded with phototriode, be provided with light hole 12 on described diaphragm 5, on described light hole 12 and described platelet 4, the position of phototriode is corresponding.
As shown in Figure 2, described counter front end also is provided with light barrier 8.Be provided with character wheel hole 9 on described light barrier 8, during the mounting block tabula rasa, character wheel hole 9 correspondences are installed on outside the digital bar 10 of character wheel 3 outer wrapping.
Embodiment 3
a kind of device that solves the interference of photoelectric direct-reading meter external light source, as Fig. 1, shell 1 and the counter of comprising shown in Figure 3, described counter comprises mainboard 6, polylith platelet 4 and a plurality of character wheels 3, described shell 1 is provided with the rectangle of sidewall 2 for two ends, the inside of described shell 1 has an accommodation space, described accommodation space accommodates a plurality of character wheels 3, described character wheel 3 centers are offered porose, a plurality of character wheels 3 are concentric equidistant being linked on main shaft 7 successively, described main shaft 7 is fixed on described sidewall 2, described platelet 4 is arranged between described character wheel 3, and be linked on main shaft 7 by the pilot hole on described platelet 4, described platelet 4 both sides are welded with respectively phototriode and power valve, described phototriode, power valve on the character wheel 3 of close phototriode and the platelet 4 of this character wheel 3 opposite sides forms a photoelectric direct read bit, described platelet 4 is provided with diaphragm 5 in a side that is welded with phototriode, be provided with light hole 12 on described diaphragm 5, on described light hole 12 and described platelet 4, the position of phototriode is corresponding.
As shown in Figure 2, described counter front end also is provided with light barrier 8.Be provided with character wheel hole 9 on described light barrier 8, during the mounting block tabula rasa, character wheel hole 9 correspondences are installed on outside the digital bar 10 of character wheel 3 outer wrapping.Be welded with phototriode on described platelet 4, described phototriode is positioned in the groove of character wheel 3.Described platelet 4 one ends are fixed on described mainboard 6.As shown in Figure 3, also be provided with hole 11 on described diaphragm 5, described hole 11 is suitable with the pilot hole on described platelet 4.Described diaphragm 5 is cylinder.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. one kind solves the device that the photoelectric direct-reading meter external light source disturbs, comprise shell and counter, described counter comprises mainboard, polylith platelet and a plurality of character wheel, described shell is the rectangle that two ends are provided with sidewall, the inside of described shell has an accommodation space, described accommodation space accommodates a plurality of character wheels, described character wheel center is offered porose, a plurality of character wheels are concentric equidistant being linked on main shaft successively, described main shaft is fixed on described sidewall, described platelet is arranged between described character wheel, and be linked on main shaft by the pilot hole on described platelet, described platelet both sides are welded with respectively phototriode and power valve, described phototriode, power valve on the character wheel of close phototriode and the platelet of this character wheel opposite side forms a photoelectric direct read bit, it is characterized in that, described platelet is provided with diaphragm in a side that is welded with phototriode, be provided with light hole on described diaphragm, on described light hole and described platelet, the position of phototriode is corresponding.
2. the device that disturbs of solution photoelectric direct-reading meter external light source according to claim 1, is characterized in that, described counter front also is provided with light barrier, and described light barrier two ends are connected in the sidewall top of shell.
3. the device that disturbs of solution photoelectric direct-reading meter external light source according to claim 2, is characterized in that, is provided with the character wheel hole on described light barrier.
4. the device of solution photoelectric direct-reading meter external light source interference according to claim 3, is characterized in that, described light barrier is the black plastic light barrier.
5. the device of solution photoelectric direct-reading meter external light source interference according to claim 1, is characterized in that, the phototriode that welds on described platelet is positioned in the groove of described character wheel.
6. the device of solution photoelectric direct-reading meter external light source interference according to claim 5, is characterized in that, described platelet one end is fixed on described mainboard.
7. the device of solution photoelectric direct-reading meter external light source interference according to claim 1, is characterized in that, also be provided with hole on described diaphragm, the pilot hole on described hole and described platelet is suitable.
8. the device of solution photoelectric direct-reading meter external light source interference according to claim 7, is characterized in that, described diaphragm is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656850 CN202928592U (en) | 2012-12-04 | 2012-12-04 | Apparatus capable of eliminating external light source interference on photoelectric direct-reading meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656850 CN202928592U (en) | 2012-12-04 | 2012-12-04 | Apparatus capable of eliminating external light source interference on photoelectric direct-reading meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928592U true CN202928592U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220656850 Expired - Lifetime CN202928592U (en) | 2012-12-04 | 2012-12-04 | Apparatus capable of eliminating external light source interference on photoelectric direct-reading meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967319A (en) * | 2012-12-04 | 2013-03-13 | 成都千嘉科技有限公司 | Device for solving external light interference on photoelectric direct-reading meter |
| CN103386575A (en) * | 2013-08-02 | 2013-11-13 | 湖南威铭能源科技有限公司 | Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board |
-
2012
- 2012-12-04 CN CN 201220656850 patent/CN202928592U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967319A (en) * | 2012-12-04 | 2013-03-13 | 成都千嘉科技有限公司 | Device for solving external light interference on photoelectric direct-reading meter |
| CN102967319B (en) * | 2012-12-04 | 2015-11-04 | 成都千嘉科技有限公司 | A kind of device solving the interference of photoelectric direct-reading meter external light source |
| CN103386575A (en) * | 2013-08-02 | 2013-11-13 | 湖南威铭能源科技有限公司 | Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board |
| CN103386575B (en) * | 2013-08-02 | 2015-04-29 | 湖南威铭能源科技有限公司 | Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 536, Section 1, airport 1st Road, Shuangliu Southwest Airport, Chengdu, Sichuan 610211 Patentee after: Chengdu Qianjia Technology Co.,Ltd. Address before: No. 536, Section 1, airport 1st Road, Shuangliu Southwest Airport, Chengdu, Sichuan 610211 Patentee before: Chengdu Qianjia Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
|
| CX01 | Expiry of patent term |