CN208780280U - A kind of light sampling measuring instrument counting component of anti-light interference - Google Patents
A kind of light sampling measuring instrument counting component of anti-light interference Download PDFInfo
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- CN208780280U CN208780280U CN201821461159.3U CN201821461159U CN208780280U CN 208780280 U CN208780280 U CN 208780280U CN 201821461159 U CN201821461159 U CN 201821461159U CN 208780280 U CN208780280 U CN 208780280U
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Abstract
The utility model relates to measuring instrument counted fields more particularly to the light of anti-light interference to sample measuring instrument counting component.It includes the counter being mounted in controller shell body and the control panel that is correspondingly arranged with counter, the counter includes counter frame, counter frame is equipped with sampling output gear, the sampling output gear is equipped with light reflection surface, the control panel is equipped with the photoelectric sensor being correspondingly arranged with light reflection surface, counting component further includes the light guard being arranged on controller housing, and the light guard includes the first protection department being correspondingly arranged with photoelectric sensor and the second protection department being correspondingly arranged with light reflection surface.The utility model had not only met shell colour system but also had been able to achieve protection of the interference light to continuous data, guaranteed the accuracy of count results.
Description
Technical field
The utility model relates to the light of measuring instrument counting technology field more particularly to anti-light interference to sample gauge meter
Array part.
Background technique
The improvement upgrading counted with intelligent gas meter sampling, at present existing sampling count metering method by original magnetic
Sampling optimization and upgrading is that photoelectricity samples metering method, and light sampling metering method, which has, measures technological merit accurate, low in energy consumption.
Light sampling will not influence accurate measurement because of external magnetic field or artificial magnetic attack due to compared with magnetic samples metering method
Degree.But light sampling metering will receive its metering accuracy of the interference effect of interference light.In order to meet in existing product design
Controller housing color is generally designed to light color (such as white) by demand of the client to appearance, and light color shell has translucency
And reflective is stronger, the meeting especially in the case where encountering strong light is so that object internal light enhances.If being sampled in existing light
In measurement structure design, ambient is not protected, only leans on housing case, the injection of extraneous light, which certainly will will lead to, takes light
The accuracy of measuring of sample is interfered, and the accuracy of metric results is influenced.
Utility model content
The purpose of this utility model is that solving above-mentioned technical problem to a certain extent proposes that a kind of light of anti-light interference takes
Sample measuring instrument counting component had not only met shell colour system design requirement but also had been able to achieve protection of the interference light to continuous data, guaranteed
The accuracy of count results.
A kind of light of anti-light interference samples measuring instrument counting component, the counter including being mounted in controller shell body and
The control panel being correspondingly arranged with counter, the counter include counter frame, and counter frame is equipped with sampling output gear, institute
It states sampling output gear and is equipped with light reflection surface, the control panel is equipped with the photoelectric sensor being correspondingly arranged with light reflection surface,
Counting component further includes the light guard being arranged on controller housing, and the light guard includes sets corresponding with photoelectric sensor
The first protection department set and the second protection department being correspondingly arranged with light reflection surface.
Further embodiment, the first protection department include the vertical occlusion part being staggered with control panel and the level barrier portion.
Further embodiment, light protection ring is extended to form on the light reflection surface, and second protection department and the light are protected
Retaining ring is staggered.
Further embodiment, first protection department and the second protection department, which are integrally formed, to be arranged.
Further embodiment, the light reflection surface is rounded, and the light reflection surface includes that semicircle white reflection face and semicircle are black
Reflecting surface.
Further embodiment, the photoelectric sensor include separately positioned optical transmitting set and optical receiver.
Further embodiment, the light guard are plastic part.
Further embodiment, the light guard are black plastic part.
Further embodiment, the controller housing are equipped with fixed column, and the light guard is equipped with fixation hole, described
The light guard is fixed on controller housing by fixed column after passing through fixation hole hot melt.
Further embodiment is additionally provided with sampling input gear on the counter frame, and the sampling input gear passed through
Gear is crossed to connect with sampling output gear.
After adopting the above technical scheme, the utility model has the advantages that
1, counting component further includes the light guard being arranged on controller housing, and the light guard includes and photoelectric transfer
The first protection department that sensor is correspondingly arranged and the second protection department being correspondingly arranged with light reflection surface.The technical program is protected using part
It defends the doctrine and lays special stress on protecting " critical path " namely light reflection surface and photoelectric sensor of the transmitting of light sampled signal, so that photoelectric sensor
The light and light reflection surface being sent on light reflection surface are reflected into the light of photoelectric sensor not by the interference of extraneous light, protect
The accuracy and precision of metering are demonstrate,proved.
2, further embodiment, the first protection department include the vertical occlusion part being staggered with control panel and the level barrier
Portion.Light protection ring is extended to form on the light reflection surface, second protection department is staggered with the smooth protection ring.Described
One protection department and the second protection department, which are integrally formed, to be arranged.Staggeredly protection can effectively block extraneous light and do to metering light
It disturbs, while being integrally formed convenient for depanning, assembly with more preferable after light effect.
3, light guard is mounted between cover assembly and sampling output gear, is bonded with control back, light guard
The back side of a part in photoelectric sensor position on control panel, can block and be injected into internal sample region from upper cover front
External light source, in addition, the peripheral block reinforcement of light guard be higher than light protection ring upper surface, preferably, light barrier periphery block reinforcement
Height dimension higher than sampling gear light protection ring need to be greater than 0.5mm, to guarantee to be blocked completely from the outer of upper cover side injection
The interference of boundary's light.
4, the light guard is plastic part.The light guard is black plastic part.Black is other dark-coloured such as grey
More preferably, protective value is more excellent for light blocking effect.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the utility model controller housing and counting component explosive view；
Fig. 2 is the utility model light protection ring stereoscopic schematic diagram；
Fig. 3 is the utility model counting component part partial cutaway enlarged drawing.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
As shown in 1~Fig. 3, a kind of light sampling measuring instrument counting component of anti-light interference can be applicable to gas meter, flow meter, water
On the products such as table, industry measurement table.Counting component include the counter 20 being mounted in controller housing 10 and with counter 20
The control panel 30 being correspondingly arranged, the counter 20 include counter frame 21, and counter frame 21 is equipped with sampling output gear 22,
It is additionally provided with sampling input gear (not marking in figure) sampling input gear on the counter frame 21, counter frame 21 is set
Back, sampling input gear connect base table driving member, and the character wheel group of metering signal rotation transfer counter 20 and sampling is defeated
Gear 22 out, the sampling input gear are connect by transition gear with sampling output gear 22.The sampling output gear 22
It is equipped with light reflection surface 220, the sampling rotation of output gear 22 drives the rotation of light reflection surface 220, and the control panel 30 is equipped with
The photoelectric sensor being correspondingly arranged with light reflection surface 220, the light reflection surface 220 is rounded, and the light reflection surface 220 includes half
Circle white reflection face and the black reflecting surface of semicircle.The photoelectric sensor includes separately positioned optical transmitting set 31 and optical receiver 32.
Optical transmitting set 31 sends light to light reflection surface 220, and light reflection surface 220 reflects light to be received through optical receiver 32, by
In in 220 rotation process of light reflection surface, semicircle white reflection face and the black reflecting surface of semicircle alternately reflect light, and the two
Intensity of light reflection it is different, thus can receive light signal strength by analyzing photelectric receiver 32 and realize counting pulse signal
Metering.
Guarantee the accuracy and precision of metering signal in this programme, counting component further includes being arranged in controller housing
Light guard 40 on 10, the light guard 40 include the first protection department 41 being correspondingly arranged with photoelectric sensor and anti-with light
Penetrate the second protection department 42 that face 220 is correspondingly arranged.The controller housing 10 is equipped with fixed column 50, on the light guard 40
Equipped with fixation hole 43, the fixed column 50, which passes through, is fixed on controller housing 10 for the light guard 40 after fixation hole 43 heats
On.40 liang of fixation holes of light guard are placed in two hot melt fixed columns of controller housing 10, reusable heat melting apparatus is riveted to two
Column heats the fixation that presses.Simple process, it is fixed reliable.
As shown in Fig. 2, the first protection department 41 includes the vertical occlusion part 411 being staggered with control panel 30 and the level barrier
Portion 412.Light protection ring 221, second protection department 42 and the smooth protection ring 221 are extended to form on the light reflection surface 220
It is staggered.Second protection department, 42 part envelope light protection ring 221.First protection department 41 and the one of the second protection department 42 at
Type setting.Can certainly split settings, the present embodiment in order to depanning facilitate using be integrally formed setting.Second protection department 42
Height is higher than the height of light protection ring 221, and the size being higher by need to be greater than 0.5mm, to guarantee to be blocked completely from controller housing
The ambient interference that 10 sides are injected.Branch's setting of light guard 40 can effectively block the light that reading form penetrates simultaneously
Line.
In this embodiment scheme, the material of the light guard 40 is plastic part.The light guard 40 is black plastic
Part.There can certainly be the preferable color such as light/dark balance, grey etc. for absorbing effect of blocking to light for other dark-coloured systems.
Due to increasing light guard member 40 in this programme, it is much less so that the injection amount of ambient is opposite, has in addition
The interception of light protection ring 221, the angle that side is injected is bigger than normal, and the light for being finally injected into sample region is seldom, avoids dry
Light is disturbed, guarantees metering accuracy.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (10)
1. the light of anti-light interference a kind of samples measuring instrument counting component, the counter including being mounted in controller shell body and with
The control panel that counter is correspondingly arranged, the counter include counter frame, and counter frame is equipped with sampling output gear, described
It sampling output gear and is equipped with light reflection surface, the control panel is equipped with the photoelectric sensor being correspondingly arranged with light reflection surface,
It is characterized in that: further including the light guard being arranged on controller housing, the light guard includes corresponding with photoelectric sensor
The first protection department being arranged and the second protection department being correspondingly arranged with light reflection surface.
2. the light of anti-light interference according to claim 1 samples measuring instrument counting component, which is characterized in that the first protection
Portion includes the vertical occlusion part being staggered with control panel and the level barrier portion.
3. the light of anti-light interference according to claim 1 samples measuring instrument counting component, which is characterized in that the light is anti-
It penetrates on face and extends to form light protection ring, second protection department is staggered with the smooth protection ring.
4. the light of anti-light interference according to claim 1 samples measuring instrument counting component, which is characterized in that described first
Protection department and the second protection department, which are integrally formed, to be arranged.
5. the light of anti-light interference described in any one according to claim 1~4 samples measuring instrument counting component, feature exists
In the light reflection surface is rounded, and the light reflection surface includes semicircle white reflection face and the black reflecting surface of semicircle.
6. the light of anti-light interference described in any one according to claim 1~4 samples measuring instrument counting component, feature exists
In the photoelectric sensor includes separately positioned optical transmitting set and optical receiver.
7. the light of anti-light interference described in any one according to claim 1~4 samples measuring instrument counting component, feature exists
In the light guard is plastic part.
8. the light of anti-light interference according to claim 7 samples measuring instrument counting component, which is characterized in that the light is anti-
Guard is black plastic part.
9. the light of anti-light interference described in any one according to claim 1~4 samples measuring instrument counting component, feature exists
In the controller housing is equipped with fixed column, and the light guard is equipped with fixation hole, and the fixed column passes through fixation hole heat
The light guard is fixed on controller housing after molten.
10. the light of anti-light interference described in any one according to claim 1~4 samples measuring instrument counting component, feature
It is, sampling input gear is additionally provided on the counter frame, and the sampling input gear is exported by transition gear and sampling
Gear connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461159.3U CN208780280U (en) | 2018-09-07 | 2018-09-07 | A kind of light sampling measuring instrument counting component of anti-light interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461159.3U CN208780280U (en) | 2018-09-07 | 2018-09-07 | A kind of light sampling measuring instrument counting component of anti-light interference |
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| Publication Number | Publication Date |
|---|---|
| CN208780280U true CN208780280U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821461159.3U Active CN208780280U (en) | 2018-09-07 | 2018-09-07 | A kind of light sampling measuring instrument counting component of anti-light interference |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174768A (en) * | 2019-06-26 | 2019-08-27 | 深圳纳德光学有限公司 | A kind of head-mounted display and its diopter regulating device |
| CN111044109A (en) * | 2019-12-06 | 2020-04-21 | 金卡智能集团股份有限公司 | Metering instrument photoelectric sampling assembly and metering instrument |
-
2018
- 2018-09-07 CN CN201821461159.3U patent/CN208780280U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174768A (en) * | 2019-06-26 | 2019-08-27 | 深圳纳德光学有限公司 | A kind of head-mounted display and its diopter regulating device |
| CN110174768B (en) * | 2019-06-26 | 2024-06-04 | 深圳纳德光学有限公司 | Head-mounted display and diopter adjusting device thereof |
| CN111044109A (en) * | 2019-12-06 | 2020-04-21 | 金卡智能集团股份有限公司 | Metering instrument photoelectric sampling assembly and metering instrument |
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