CN205880203U - Erbium glass laser receiving arrangement - Google Patents
Erbium glass laser receiving arrangement Download PDFInfo
- Publication number
- CN205880203U CN205880203U CN201620820712.2U CN201620820712U CN205880203U CN 205880203 U CN205880203 U CN 205880203U CN 201620820712 U CN201620820712 U CN 201620820712U CN 205880203 U CN205880203 U CN 205880203U
- Authority
- CN
- China
- Prior art keywords
- avalanche diode
- pressure cap
- housing
- circuit
- baffle
- 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 - Fee Related
Links
Abstract
The utility model discloses an erbium glass laser receiving arrangement, it includes casing, baffle, receipt camera lens, avalanche diode, pressure cap, receiving circuit board and apron, the receipt camera lens is fixed in on the last lateral wall of casing, and cover the upper shed, the level is provided with the baffle in the casing, the pressure cap is fixed in on the baffle, avalanche diode set up in in the pressure cap, the receiving circuit board set up in the below of pressure cap, and with avalanche diode signal connection. The utility model discloses a laser emission device adopts the avalanche diode of high accuracy, and it is big to survey wavelength coverage, with preamplification integrated circuit to the detector in, the voltage signal of output can directly give and receive amplifier circuit and amplify, the treatment circuit is simple, dynamic response is good. And control is simple, has reduced power pressure. More be fit for carrying operation and field application such as scouting, ground tank fire control, antiaircraft gun shooting, individual combat at the machine.
Description
Technical field
This utility model relates to a kind of laser receiver, particularly relates to a kind of erbium glass laser receiver.
Background technology
Along with military equipment modernization, informationalized fast development, range finder using laser is smooth on airborne operation and scouting, ground
The fields such as gram fire control, antiaircraft gun shooting, individual combat have obtained great development, it has also become the light Denso that organizational equipment quantity is maximum
One of standby.Range finder requires maximum operating range 2500 meters, and range accuracy is ± 1 meter.And can on range finder display
Accurately show the distance of target, easy for installation, it is simple to portable, to improve Operational Effectiveness Rat and Operation Target is implemented precision strike.
Either individual combat, airborne operation and scouting, be required for lightweight, the range finder using laser of small size, it is desirable to surveys
Strengthening away from ability, stability is higher.Traditional laser pick-off circuit is extremely difficult to demand, to this end, the bait glass laser of design connects
Receive unit so that range accuracy improves further.
Utility model content
This utility model purpose is to provide a kind of erbium glass laser receiver, and its certainty of measurement is high, it is possible to overcome existing
The drawback of laser ranging machine technology, under conditions of small size, lightweight, can realize the detection of distance.
This utility model solves technical problem and adopts the following technical scheme that a kind of erbium glass laser receiver, and it includes
Housing, baffle plate, reception camera lens, avalanche diode, pressure cap, circuit board for receiving and cover plate；
Described housing is cuboid, and the front side of described housing is opening-like, and the upper side wall of described housing is formed
Opening, described upper shed connects with the inner space of described housing, and described reception camera lens is fixed on the upper side wall of described housing,
And cover described upper shed；
Being horizontally disposed with baffle plate in described housing, the middle part of described baffle plate is formed with baffle openings, and described pressure cap is fixed on
On described baffle plate, and described pressure cap uses the material of printing opacity to prepare；Described avalanche diode is arranged in described pressure cap, described in connect
Receive circuit board and be arranged at the lower section of described pressure cap, and be connected with described avalanche diode signal；
Being provided with cover plate on described housing, the front openings of described housing is closed by described cover plate.
Optionally, described circuit board for receiving includes detection circuit, mutual conductance amplifying circuit, sample circuit and controller；Described
Avalanche diode signal is connected to described detection circuit, and described detection circuit is connected to described mutual conductance amplifying circuit, described mutual conductance
Amplifying circuit is connected to described sample circuit, and described sample circuit is connected to described controller.
This utility model has the advantages that laser beam emitting device of the present utility model uses high-precision snowslide two
Pole is managed, and detection wave-length coverage is big, is integrated in detector by pre-amplification circuit, and the voltage signal of output can be directly to reception
Amplifying circuit is amplified, and processes circuit simple, and dynamic response is good.And control simple, decrease power supply pressure.It is more suitable for
The field application such as airborne operation and scouting, ground Tank Fire Control, antiaircraft gun shooting, individual combat.
Accompanying drawing explanation
Fig. 1 is the structural representation of erbium glass laser receiver of the present utility model；
Fig. 2 is the structural representation (removal cover plate) of erbium glass laser receiver of the present utility model；
Fig. 3 is the structural representation of circuit board for receiving of the present utility model；
Fig. 4 is the structural representation of power supply circuits of the present utility model；
Fig. 5 is the structural representation (comprising avalanche diode) of circuit board for receiving of the present utility model；
In figure, labelling is illustrated as: 1-housing；2-baffle plate；3-receives camera lens；4-avalanche diode；5-pressure cap；6-receives electricity
Road plate；7-cover plate.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
Present embodiments provide a kind of erbium glass laser receiver, a kind of erbium glass for miniature range finder
Laser receiver, it includes housing, baffle plate, reception camera lens, avalanche diode, pressure cap, circuit board for receiving and cover plate；
Described housing is cuboid, and the front side of described housing is opening-like, and the upper side wall of described housing is formed
Opening, described upper shed connects with the inner space of described housing, and described reception camera lens is fixed on the upper side wall of described housing,
And cover described upper shed, so that laser is through described reception camera lens, the inner space of described housing can be exposed to.
Being horizontally disposed with baffle plate in described housing, the middle part of described baffle plate is formed with baffle openings, described avalanche diode
Pressure cap is fixed on described baffle plate, and uses the material of printing opacity to prepare, such as glass and organic resin etc.；Described avalanche diode
Being arranged in described pressure cap, and offer through hole on described pressure cap, the detection section of described avalanche diode is positioned at described through hole,
It is irradiated into the laser in described left accommodation space by described reception camera lens, for receiving by described reception camera lens for receiving
Being irradiated into the laser in described enclosure interior space, and this laser signal is converted to the signal of telecommunication, described circuit board for receiving is arranged
In the lower section of described pressure cap, and it is connected with described avalanche diode signal, to receive telecommunications produced by described avalanche diode
Number.
Being provided with cover plate on described housing, the front openings of described housing is closed by described cover plate, thus by described erbium glass
Other of glass laser instrument reception device are partially enclosed in the inner space of described housing.
Described circuit board for receiving includes detection circuit, mutual conductance amplifying circuit, sample circuit and controller.
Described detection circuit is connected to described mutual conductance amplifying circuit, and described mutual conductance amplifying circuit is connected to described sampling electricity
Road, described sample circuit is connected to described controller.
Described detection circuit includes resistance R1, resistance R2 and electric capacity C1；The positive terminal (the 1st pin) of described avalanche diode
It is connected to HV high voltage power supply by resistance R1；And the positive terminal of described avalanche diode is also by electric capacity C1 ground connection；Described snowslide
The negative pole end (the 3rd pin) of diode passes through resistance R2 ground connection；2nd pin ground connection of described avalanche diode.
Described mutual conductance amplifying circuit includes that model is the chip of AD8015, electric capacity C2, electric capacity C3, electric capacity C4 and resistance R5；
The negative pole end of described avalanche diode is connected to the lin pin of described AD8015 chip by electric capacity C2；Described AD8015 chip
VBYP pin be connected to VCC power supply (+5.0V) by electric capacity C3 and resistance R5 ,-VS pin the ground connection of described AD8015 chip；
And+VS the end of described AD8015 chip is connected to VCC power supply (+5.0V) by resistance R5；One end of described electric capacity C4 is by electricity
Resistance R5 is connected to described VCC power supply, the other end ground connection of described electric capacity C4.
Described sample circuit includes that model is the chip of MCP3424, resistance R3 and resistance R4；Described AD8015 chip+
OUT pin is connected to the 3rd pin (CH2+) of described MCP3424 chip by resistance R3；-OUT the pipe of described AD8015 chip
Foot is connected to the 4th pin (CH2-) of the chip of described MCP3424 by resistance R4；5th pin of described MCP3424 chip connects
Ground；6th pin of described MCP3424 chip is connected to VCC power supply (+5.0V).
Optionally, described controller be model be the single-chip microcomputer of ATXMEGA32A4-AU, described single-chip microcomputer includes 44 pipes
Foot, the 8th pin, the 18th pin, the 30th pin and the 38th pin ground connection of wherein said single-chip microcomputer；9th pipe of described single-chip microcomputer
Foot, the 19th pin, the 31st pin and the 39th pin connect+3.3V power supply；10th pin of described single-chip microcomputer is connected to described
7th pin of MCP3424 chip；11st pin of described single-chip microcomputer is connected to the 8th pin of described MCP3424 chip.
Operationally, laser echo signal enters the erbium glass laser receiver of the present embodiment through described avalanche diode
Row detection, transmission is to mutual conductance amplifying circuit；And after processing via trsanscondutance amplifier AD8015, it is output as differential signal；Described difference
Sub-signal passes through resistance R3 and resistance R4, sends into the input of sample circuit, and the fan-out of sample circuit is according to passing through iic bus
Send into single-chip microcomputer.
In the present embodiment, described HV high voltage power supply uses Switching Power Supply or modular power source；Its voltage can be up to+
200V；Described APD1 avalanche diode highly sensitive, volume is little, low in energy consumption, reliability is high, electromagnetism interference is strong, dynamic model
Enclose the advantages such as big；The multiplication of the interior lights quantum of APD1 avalanche diode, makes photoelectric current significantly double, significantly improves snow
Collapse the sensitivity of diode.
The signal that described APD1 avalanche diode detects is current signal, needs mutual conductance amplifying circuit by described electric current
Signal is transformed to voltage signal.Described voltage signal is faint voltage signal.The trsanscondutance amplifier of described mutual conductance amplifying circuit
Select is the AD8015 chip of AD company.AD8015 chip has the advantage of low-power consumption, low noise, wide bandwidth, its internal collection
Having become operational amplifier and feedback device, therefore without additional extra discrete component, circuit controls simple.
Described resistance R3 and R4 is high frequency output build-out resistor, and described electric capacity C3 is partially installing capacitor.
The voltage signal of described trsanscondutance amplifier output is sampled through the MCP3424 chip of MICROCHIP company, institute
Stating MCP3424 chip is the analog-to-digital chip of 18, and carries out data communication by iic bus and single-chip microcomputer.
Described circuit board for receiving also includes that power supply circuits, described power supply circuits are connected with described controller circuitry, with to institute
State controller to be powered；More specifically, described power supply circuits include the chip that model is LM1117, described model is LM1117
The Vin pin of chip by electric capacity C80 ground connection, and also by electric capacity C50 ground connection；Described model is the chip of LM1117
GND pin ground connection, described model is that the Vout pin of the chip of LM1117 passes through electric capacity C70 ground connection, and this pin is also by electric capacity
C60 ground connection, and described Vout pin is+3.3V power supply side, and described model is that the Vin pin of the chip of LM1117 connects
It is connected to VCC power supply.
Laser beam emitting device of the present utility model uses high-precision avalanche diode, and detection wave-length coverage is big, by preposition
Amplifying circuit is integrated in detector, and the voltage signal of output can be amplified directly to receiving amplifying circuit, processes circuit
Simply, dynamic response is good.And control simple, decrease power supply pressure.It is more suitable at airborne operation and scouting, ground tank fire
The field application such as control, antiaircraft gun shooting, individual combat.
Described avalanche diode has PMT photomultiplier tube, PIN-type avalanche diode and avalanche photodide APD, wherein
PMT is despite high gain and relatively low noise, but volume is big, anti-electromagnetic interference capability poor is examined, responding range is little by one
As less in laser pulse ranging machine use；PIN and APD is to develop on the basis of semiconductor junction avalanche diode
's；PIN-type is internal not to be amplified, thus limits the further raising of sensitivity, and the multiplication of APD interior lights quantum makes
Photoelectric current doubles significantly, significantly improve optical sensor sensitivity；From the above analysis, APD have highly sensitive,
The advantages such as volume is little, low in energy consumption, reliability is high, electromagnetism interference is strong, dynamic range is big.
The sequencing of above example only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；
Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that:
Technical scheme described in foregoing embodiments still can be modified by it, or carries out wherein portion of techniques feature
With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology
The spirit and scope of scheme.
Claims (2)
1. an erbium glass laser receiver, it is characterised in that include housing, baffle plate, reception camera lens, avalanche diode, pressure
Cap, circuit board for receiving and cover plate；
Described housing is cuboid, and the front side of described housing is opening-like, and the upper side wall of described housing is formed with upper shed,
Described upper shed connects with the inner space of described housing, and described reception camera lens is fixed on the upper side wall of described housing, and covers
Cover described upper shed；
Being horizontally disposed with baffle plate in described housing, the middle part of described baffle plate is formed with baffle openings, and described pressure cap is fixed on described
On baffle plate, and described pressure cap uses the material of printing opacity to prepare；Described avalanche diode is arranged in described pressure cap, described reception electricity
Road plate is arranged at the lower section of described pressure cap, and is connected with described avalanche diode signal；
Being provided with cover plate on described housing, the front openings of described housing is closed by described cover plate.
Erbium glass laser receiver the most according to claim 1, it is characterised in that described circuit board for receiving includes detection
Circuit, mutual conductance amplifying circuit, sample circuit and controller；Described avalanche diode signal is connected to described detection circuit, described
Detection circuit is connected to described mutual conductance amplifying circuit, and described mutual conductance amplifying circuit is connected to described sample circuit, described sampling electricity
Road is connected to described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820712.2U CN205880203U (en) | 2016-07-29 | 2016-07-29 | Erbium glass laser receiving arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820712.2U CN205880203U (en) | 2016-07-29 | 2016-07-29 | Erbium glass laser receiving arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880203U true CN205880203U (en) | 2017-01-11 |
Family
ID=57699951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620820712.2U Expired - Fee Related CN205880203U (en) | 2016-07-29 | 2016-07-29 | Erbium glass laser receiving arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011596A (en) * | 2017-12-28 | 2018-05-08 | 合肥安聚仪电科技有限公司 | The preposition amplification of photodiode and temperature control equipment and its system |
-
2016
- 2016-07-29 CN CN201620820712.2U patent/CN205880203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011596A (en) * | 2017-12-28 | 2018-05-08 | 合肥安聚仪电科技有限公司 | The preposition amplification of photodiode and temperature control equipment and its system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101813730A (en) | Device for detecting power equipment discharge based on ultraviolet method | |
| CN103499819A (en) | Measuring device and method for target line-of-sight angel offset and distance | |
| CN103575638A (en) | Light scattering type particle counter and particle size distribution algorithm thereof | |
| CN101943762A (en) | Active infrared detection device | |
| CN205880203U (en) | Erbium glass laser receiving arrangement | |
| CN106226783A (en) | Atmospheric particulates optical parameter measurement system based on laser radar | |
| CN201796151U (en) | Active infrared detection device | |
| CN106769810A (en) | A kind of small modular polychrome stream type cell analyzer | |
| CN102353971B (en) | Miniaturized low energy ion detector with low power consumption | |
| CN110174222A (en) | A kind of oil immersed type capacitor leakage of oil detection device and method | |
| CN102291118B (en) | Single-photon counting amplifying/discriminating circuit | |
| CN2754061Y (en) | Portable high-flow laser dust measuring instrument optical sensor | |
| CN109342300A (en) | A kind of optical-fiber type air particles sensor for countering system | |
| CN102967563A (en) | Device and method for acquiring dioxin toxoid signals | |
| CN217901485U (en) | PD array atmospheric particulate sensor | |
| CN201607408U (en) | ATP fluorescence detection device | |
| CN109612893A (en) | A kind of automobile-used laser fine particle detection device | |
| CN115656894A (en) | Magnetic field sensor of optical fiber integrated diamond NV color center | |
| CN202160162U (en) | Single photon counting amplification and discrimination circuit | |
| CN1971245A (en) | A measuring device for weak light photons | |
| CN110350878B (en) | High-sensitivity current amplifying circuit and chip thereof | |
| CN113639862A (en) | Photon number calibration device and method | |
| CN112965095A (en) | Neutron-gamma integrated detection device for nuclear power complex environment | |
| CN207458888U (en) | A kind of mass spectrometer detector | |
| CN106128009A (en) | A kind of ultraviolet portable digital Generic Alert module for flame detecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170111 Termination date: 20190729 |