CN207751587U - A kind of self-shield light power meter - Google Patents
A kind of self-shield light power meter Download PDFInfo
- Publication number
- CN207751587U CN207751587U CN201820023432.8U CN201820023432U CN207751587U CN 207751587 U CN207751587 U CN 207751587U CN 201820023432 U CN201820023432 U CN 201820023432U CN 207751587 U CN207751587 U CN 207751587U
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- China
- Prior art keywords
- connector
- light
- power meter
- self
- light power
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses a kind of self-shield light power meters,Solves the drawbacks of personnel maloperation easily occur and judge to cause instrument damage when in use,Its key points of the technical solution are that including body,The connector and lid for carrying out optical fiber connector connection close the dustproof cover on connector,It further include the protection component having at the port for being set to connector,The light-sensitive element that Preliminary detection is carried out for the light in the optical fiber to access is additionally provided on protection component,Further include having to be coupled to light-sensitive element to be detected luminous intensity and export the illumination detection device of detection signal,It is coupled to illumination detection device and in response to detection signal to export the control device of control signal,It further include the starter for being useful for control body and working,The starting switch for being controlled by control device is in series in the current supply circuit of starter,A kind of self-shield light power meter of the utility model,The Preliminary detection of access light can automatically be carried out,Reduce the damage to light power meter.
Description
Technical field
The utility model is related to measuring instrument, more particularly to a kind of self-shield light power meter.
Background technology
Light power meter is precision instrument, is connected by optical fiber and realizes the input of light source and be detected, dismantling connection optical fiber
It is usually provided with corresponding connector on the light power meter of adapter, and dust cap is installed on connector, when in use
The installation connection of optic fibre switching head is carried out after dust cap is taken, and needs timely to cover dust cap when not used
On, to prevent while falling into of dust, to reduce the entrance of external light source when light power meter does not use, and then reduce
Loss to light power meter itself, while the isolation of external environment can be carried out in prolonged place, it reduces in external environment
Moisture etc. influence the component inside luminous power.
Light power meter needs to pay attention to the matching of power when in use, and the excessive optical fiber of light intensity is directly accessed and can be caused
Damage to light power meter is all to rely on the operation of operating personnel to judge, but can go out when actual use at present
Obscuring for existing erroneous judgement or unit, extremely be easy to cause the damage to instrument, causes the waste of cost, the sky that could be improved
Between.
Utility model content
The purpose of this utility model is to provide a kind of self-shield light power meter, can automatically carry out the preliminary inspection of access light
It surveys, reduces the damage to light power meter.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of self-shield light power meter, including body, be set on body carry out optical fiber connector connection connector and
Lid closes the dustproof cover on connector, further includes the protection component having at the port for being set to connector, is also set on the protection component
It is equipped with the light-sensitive element for carrying out Preliminary detection for the light in the optical fiber to access, further includes being coupled to light-sensitive element with to light
Intensity be detected and export detection signal illumination detection device, be coupled to illumination detection device and in response to detection signal with
The control device of output control signal further includes the starter for being useful for control body and working, the starter
The starting switch for being controlled by control device is in series in current supply circuit.
Using the above scheme, it is operated by protecting component that can carry out preliminary protection at the port of connector, the inspection
The luminous intensity in the optical fiber of access can be carried out preliminary detection by surveying the setting of device, and be controlled by control device
Operation so that crossed when conference damages body in the too strong i.e. luminous power of light intensity and carry out control operation, and directly body is opened
Dynamic device carries out rupturing operation, to avoid the start-up operation of body, reduces the direct damage to body, can realize preliminary
Differentiate, reduces the maloperation of personnel.
Preferably, the protection component lid in the form of annular discs is closed and is fixedly connected at the port of the connector, the guarantor
Protecting assembly is made of several dustproof sheets in elasticity fan-shaped and with the port of interface with radius, the camber line of several dustproof sheets
Place is fixedly connected with interface and edge circumferentially mutually abuts successively.
Using the above scheme, protection component lid in the form of annular discs closes at the port of connector, and is fixedly connected on edge, several
The mutual edge of fan-shaped dustproof sheet abuts so that can realize that good dustproof cover closes at the port of interface, and dust-proof
The setting of piece elasticity makes optical fiber connector enable to dustproof sheet to be pressed downward so that can be into traveling when installation
The detection of one step can play good automatic dustproof when not connected and be in the light operation.
Preferably, the light-sensitive element is the thin film photoresistor for fitting in protection component upper surface.
Using the above scheme, light-sensitive element is the thin film photoresistor being fitted on protection component, thin film photoresistor energy
While enough realizing good detection can install convenient, and can be connected in optical fiber connector positioned at the upper surface of protection component
Certain detection can be carried out to light intensity before upper, carry out protection detection in advance.
Preferably, the lateral wall of the connector is provided with the madial wall that can be connected to optical fiber connector at proximal port
Elastic salient point is in series in the current supply circuit of the illumination detection device and is controlled by resilient contact with the triggering for the conducting that can be triggered
Switch.
Using the above scheme, the elastic salient point of the lateral wall setting of connector can be connected to the madial wall of optical fiber connector,
So that illumination detection device is only just detected when optical fiber connector is installed, avoid extraneous after dustproof cover is removed
The direct irradiation of illumination cause no detection, mutual cooperation more close.
Preferably, the elastic salient point be circumferentially provided with along the lateral wall of the connector it is several.
Using the above scheme, elastic salient point is circumferentially disposed several along the lateral wall of connector, can effectively avoid maloperation
Cause illumination detection device play and the control of subsequent control device, operation can be more accurate.
Preferably, further including being preset with illumination a reference value and in response to the detection signal of illumination detection device in illumination
Intensity value carries out the alarming device of warning prompting when exceeding default illumination a reference value.
Using the above scheme, the setting of alarming device can sentence the detection signal of the output of illumination detection device
It is disconnected, and illumination a reference value can be set, at the same can beyond when carry out warning prompting in time, convenient for operating personnel
Notice.
Preferably, the alarming device is the indicator light being fixedly installed on ontology.
Using the above scheme, alarming device is the indicator light being fixedly mounted on the body, being capable of shining by indicator light
It reminds, eye-catching carries out prompting operation, convenient for discovering for personnel.
Preferably, the indicator light is LED light, and the indicator light forward direction is coupled to the output end of illumination detection device
And between the input terminal of control device.
Using the above scheme, indicator light is coupled in using LED light and forward direction between illumination detection device and control device, is made
It obtains while carrying out warning prompting, can control operation further be carried out to control device so that the connection between circuit entirety
System is more compact.
In conclusion the utility model has the advantages that：
By protecting component that can carry out preliminary protection operation at the port of connector, the setting of detection device can be right
Luminous intensity in the optical fiber of access carries out preliminary detection, and carries out control operation by control device so that in light intensity mistake
Control operation is carried out when i.e. luminous power crosses conference damage body by force, and cut-out behaviour directly is carried out to the starter of body
Make, to avoid the start-up operation of body, reduces the direct damage to body, can realize preliminary differentiation, reduce personnel's
Maloperation, use are more safe.
Description of the drawings
Fig. 1 is the structural schematic diagram of light power meter；
Fig. 2 is the structural schematic diagram of joint；
Fig. 3 is circuit diagram.
In figure：1, body；11, connector；12, component is protected；13, elastic salient point；21, optical fiber connector；22, dustproof cover；
3, illumination detection device；31, light-sensitive element；32, trigger switch；4, control device；5, starter；6, alarming device；61, refer to
Show lamp.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of self-shield light power meter disclosed in the present embodiment, as shown in Figure 1, including organism 1 and being set on body 1
Connector 11 for connecting optical fiber connector 21, body 1 is connected with dustproof cover 22 in the side of connector 11 by connecting rope, dust-proof
Lid 22 can carry out dust-proof operation by being arranged to be covered on connector 11.
As shown in Figures 1 and 2, protection component 12 is installed at the port of connector 11, by protecting component 12 right
11 part of connector carries out self-shield operation.Protection component 12 lid in the form of annular discs is closed and is fixedly connected at the port of connector 11, is protected
Protecting assembly 12 is made of several dustproof sheets in fan-shaped elasticity, and the radius of dustproof sheet and the radius on the inside of port are equal and several
It is fixedly connected with port at the camber line of dustproof sheet, is circumferentially mutually connected at port successively by edge and forms discoid protected
Shield.
As shown in figure 3, further including thering is the light intensity to the optical fiber transmission in optical fiber connector 21 to carry out Preliminary detection and export
Detect signal illumination detection device 3, be coupled to illumination detection device 3 and in response to detection signal and export control signal control
Device 4 processed further includes the starter 5 for being useful for control body 1 and being actuated for work, is gone here and there in the current supply circuit of starter 5
It is associated with the starting switch for being controlled by control device 4, so that body 1 can reoperate after carrying out Preliminary detection.
With reference to figure 2, light-sensitive element 31 is installed on the upper surface of dustproof sheet, and the film light that light-sensitive element 31 is coating
Quick resistance, detection device are divided after being connected with thin film photoresistor by divider resistance R1, and thin film photoresistor couples
In the one end power supply VCC, and the resistance R2 for dividing protection is also in series between power supply VCC.Thin film photoresistor is with illumination
The enhancing of intensity and resistance RL that resistance value reduces.Then light intensity is stronger, and the partial pressure on divider resistance is bigger, the detection signal of output with
It the increase of light intensity and increases.And trigger switch 32 is in series in the current supply circuit of illumination detection device 3, with reference to figure 2, connecing
First 11 lateral wall is provided with elastic salient point 13 at proximal port, and trigger switch 32 is as controlled to be in linkage with the normal of elastic salient point 13
Switch, when optical fiber connector 21 is installed so that elastic salient point 13 is triggered, trigger switch 32 is just connected to control light intensity
Detection device is detected, and elastic salient point 13 is provided with multiple and there are two being preferably provided with, and is symmetrically arranged at connector 11
Both sides.It is equally in series with corresponding multiple normal open switch in the current supply circuit of illumination detection device 3, only works as optical fiber connector
When 21 connections are so that two elastic salient points 13 are triggered, the current supply circuit of illumination detection device 3 is just connected, avoids causing flase drop
It surveys.
As shown in figure 3, control device 4 includes to be coupled to illumination detection device 3 i.e. thin film photoresistor and divider resistance
The base stage of triode Q1 at the connecting node of R1, and triode Q1 preferably uses the NPN type triode of S9013, collector coupling
It is connected to power supply VCC, the coil of the relay KM1 for exporting control signal is in series between emitter and ground terminal GND.Start
Device 5 includes then the controller for controlling startup, and is in series in current supply circuit and is controlled by the normally closed tactile of relay KM1
Point is avoided starting and directly be made so that can the current supply circuit of starter 5 be carried out cutoff process when light intensity is excessive
The damage of pairs of body 1.
As shown in Figures 1 and 3, further include having alarming device 6, alarming device 6 is the indicator light being fixedly mounted on body 1
61, and indicator light 61 is LED light, and its forward direction is connected on the output of illumination detection device 3 to the current supply circuit of control device 4
In, need the condition of certain threshold value to set illumination a reference value by the diode current flow of LED light so that detecting light intensity one
When LED is connected in the voltage that definite value enables detection device to export, warning operation can be timely carried out.
Operating procedure and operating mode：
1, when removing dustproof cover 22, the dustproof sheet for the protection component 12 being fixedly mounted at the port of connector 11, which blocks, to be held
Mouth carries out simple preliminary dust-proof shading treatment, and when carrying out the attended operation of optical fiber connector 21, optical fiber connector 21, connection makes
It obtains elastic salient point 13 on the lateral wall of connector 11 to be triggered, and then the conducting of illumination detection device 3 can proceed by detection operation；
2, the light-sensitive element 31 that the light of the light transmission in optical fiber connector 21 is arranged on protection component 12 is received
It being detected, and when illumination is beyond the preset value set, detection device output high level enables control device 4 to be switched on,
The conducting of indicator light 61 of alarming device 6 carries out the instruction that shines simultaneously, convenient for reminding operating personnel to carry out replacing instrument or adjusting behaviour
Make the operation of range；The current supply circuit for starting the starter 5 that body 1 works is cut off simultaneously, and body 1 is automatically protected
Operation；
3, when light intensity is in normal range (NR), continue that optical fiber connector 21 is installed, squeezing inside optical fiber connector 21
Pressure is so that the dustproof sheet of elasticity realizes the opening at connector 11, and then realize that optical fiber connects to the bending of the inner elastomeric of connector 11
The connection installation for connecing device 21, to carry out the detection of next step.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model, each composition portion in the present embodiment not yet explicitly
The available prior art is divided to be realized.
Claims (8)
1. a kind of self-shield light power meter, including body (1), it is set on body (1) and carries out what optical fiber connector (21) connected
Connector (11) and lid close the dustproof cover (22) on connector (11), it is characterized in that：Further include having the end for being set to connector (11)
Protection component (12) at mouthful is additionally provided on the protection component (12) and is tentatively examined for the light in the optical fiber to access
The light-sensitive element (31) of survey further includes having to be coupled to light-sensitive element (31) to be detected luminous intensity and export detection signal
Illumination detection device (3) is coupled to illumination detection device (3) and in response to detection signal to export the control device of control signal
(4), further include being useful for control body (1) starter (5) for working, in the current supply circuit of the starter (5)
It is in series with the starting switch for being controlled by control device (4).
2. self-shield light power meter according to claim 1, it is characterized in that：Protection component (12) lid in the form of annular discs closes
And be fixedly connected at the port of the connector (11), the protection component (12) by it is several in it is fan-shaped and with the port of interface it is same
The dustproof sheet of the elasticity of radius forms, and is fixedly connected with interface at the camber line of several dustproof sheets and edge is circumferential mutual successively
It abuts.
3. self-shield light power meter according to claim 1, it is characterized in that：The light-sensitive element (31) is to fit in protection
The thin film photoresistor of component (12) upper surface.
4. self-shield light power meter according to claim 1, it is characterized in that：The lateral wall of the connector (11) leans on proximal port
Place is provided with the elastic salient point (13) for the madial wall that can be connected to optical fiber connector (21), the confession of the illumination detection device (3)
It is in series in electrical circuit and is controlled by resilient contact with the trigger switch (32) for the conducting that can be triggered.
5. self-shield light power meter according to claim 4, it is characterized in that：The elastic salient point (13) is along the connector
(11) lateral wall is circumferentially provided with several.
6. self-shield light power meter according to claim 1, it is characterized in that：Further include being preset with illumination a reference value and response
In the detection signal of illumination detection device (3) to carry out the police of warning prompting when illumination intensity value exceeds default illumination a reference value
Showing device (6).
7. self-shield light power meter according to claim 6, it is characterized in that：The alarming device (6) is to be fixedly installed in
Indicator light (61) on ontology.
8. self-shield light power meter according to claim 7, it is characterized in that：The indicator light (61) is LED light, and described
Indicator light (61) forward direction is coupled between the output end of illumination detection device (3) and the input terminal of control device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023432.8U CN207751587U (en) | 2018-01-05 | 2018-01-05 | A kind of self-shield light power meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023432.8U CN207751587U (en) | 2018-01-05 | 2018-01-05 | A kind of self-shield light power meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751587U true CN207751587U (en) | 2018-08-21 |
Family
ID=63152204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023432.8U Expired - Fee Related CN207751587U (en) | 2018-01-05 | 2018-01-05 | A kind of self-shield light power meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207751587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272251A (en) * | 2020-10-23 | 2021-01-26 | 展讯通信（深圳）有限公司 | Terminal falling water protection device and terminal |
-
2018
- 2018-01-05 CN CN201820023432.8U patent/CN207751587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272251A (en) * | 2020-10-23 | 2021-01-26 | 展讯通信（深圳）有限公司 | Terminal falling water protection device and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20210105 |