CN206333900U - A kind of laser instrument for measuring height - Google Patents
A kind of laser instrument for measuring height Download PDFInfo
- Publication number
- CN206333900U CN206333900U CN201621059936.2U CN201621059936U CN206333900U CN 206333900 U CN206333900 U CN 206333900U CN 201621059936 U CN201621059936 U CN 201621059936U CN 206333900 U CN206333900 U CN 206333900U
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- China
- Prior art keywords
- infrared
- logic circuit
- level logic
- encoder
- receiving device
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- Length Measuring Devices By Optical Means (AREA)
Abstract
It is related to a kind of larger scale data acquisition equipment the utility model discloses a kind of laser instrument for measuring height, including solar energy circuit, gantry, infrared launcher, infrared receiving device, level logic circuit and encoder, infrared launcher is arranged on the A faces in the passageway at gantry, infrared receiving device is arranged on the B faces that A faces facade, the signal output part connection level logic circuit of infrared receiving device, level logic circuit connects encoder, encoder connects MCU, display modules of the MCU provided with display height data, solar energy circuit connects infrared launcher, infrared receiving device, level logic circuit and encoder.The utility model solves the problem of colony's height measurement efficiency is low by setting 32 infrared launchers, reception device and related logic coding circuit, with the simple advantage of measurement.
Description
Technical field
The utility model is related to a kind of larger scale data acquisition equipment, is related to a kind of height of quick measurement Human Height
A kind of meter, and in particular to laser instrument for measuring height.
Background technology
Height measure is a kind of a kind of very common instrument, either annual military service physical examination, unit physical examination in human lives
And the measurement of student's physical examination height of school is all an essential part.Relatively common metering system is at present
Survey crew obtains the height of tested person with hand mobile and horizontal chi to the tested person crown by reading the numerical value on ruler.This
Plant traditional metering system to be unfavorable for carrying out in the environment of dark, can cause to survey when gauger faces large-scale crowd
Amount efficiency is reduced.
The Mechanical measurement of Chinese patent mandate public number (CN203914920), measurement efficiency is low.Chinese patent mandate is public
Measured sb.'s height altogether in number (CN204971351) using ultrasound, it is necessary to which bluetooth transmission signal is, it is necessary to which single power supply, equipment is numerous
Many, high cost is not suitable for large-scale measurement colony.
The content of the invention
According to above the deficiencies in the prior art, technical problem to be solved in the utility model is to propose a kind of laser height
Measuring instrument, by setting 32 infrared launchers, reception device and related logic coding circuit, solves colony's height survey
The problem of amount efficiency is low, with measuring simple advantage, laser instrument for measuring height by the laser module of itself produce laser come
Irradiate tested person, by gained signal by 74LS148 chips coding produce five bits to display module so as to draw by
People's height is surveyed, need to only measure people's instrument of passing by can draw height, and numerical value is stored in TF cards, additional solar powered
Used for a long time out of doors in terms of module.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of laser instrument for measuring height, institute
State laser instrument for measuring height including solar energy circuit, gantry, infrared launcher, infrared receiving device, level logic circuit and
Encoder, infrared launcher is arranged on the A faces in the passageway at gantry, and infrared receiving device is arranged on the B faces that A faces facade, red
The signal output part connection level logic circuit of infrared receiving device, level logic circuit connection encoder, encoder connection MCU,
Display modules of the MCU provided with display height data, solar energy circuit connection infrared launcher, infrared receiving device, level
Logic circuit and encoder.
In said apparatus, multiple infrared launchers are installed, multiple infrared launchers are from apart from ground on the A faces
1.6 meters of position is equidistant to be arranged on A faces, and each infrared launcher corresponds to an infrared receiving device.The sun
Energy circuit includes solar panel, battery, diode, electric capacity, voltage stabilizing chip, electrochemical capacitor, resistance and light emitting diode, too
The both positive and negative polarity of positive energy cell panel connects the positive pole of diode, and the both positive and negative polarity of diode is connected on battery two ends, and the negative pole of diode connects surely
The input of chip is pressed, electric capacity, the output end connection of voltage stabilizing chip are connected between the input and battery interface of voltage stabilizing chip
Electrochemical capacitor, the output end of voltage stabilizing chip is connected with the resistance and light emitting diode of series connection.The infrared receiving device includes electricity
Press comparator, photo resistance, potentiometer and resistance, the input in the same direction of two termination voltage comparators of photo resistance, potentiometer
The reverse input end of RW adjustable voltage termination voltage comparator, the output termination level logic circuit of voltage comparator.It is described
It is the signal output parts of I ' 0-I ' 31 that level logic circuit, which includes the signal input part that 32 numberings are I0-I31 and 32 numberings, electricity
Flat logic circuit includes 31 and door and 31 NOT gates, corresponds to numbering I ' 0-I ' 30 level logic circuit with the output end of door
Output end, numbering I ' 31 signal output part connects the signal of numbering I31 signal input parts, is connected with an input of door
Signal input part, adjacent signals input is connected with another input of door by non-signal behind the door.The encoder by
Four 74LS148 chips set associative connections and a piece of 74F37 NAND gates and two panels 74F20 NAND gate chips are composed in parallel, and are encoded
Device has 32 signal input parts, 5 signal output parts.
The utility model beneficial effect is:The infrared emission that the laser instrument for measuring height that the utility model is provided passes through itself
Device produces laser and irradiates tested person, by gained signal by chip coding produce five bits to display module so as to
Draw tested person's height.The measurement people instrument that need to only pass by can draw height, and numerical value is stored in TF cards, the additional sun
Can for a long time it be used out of doors in terms of power supply module.
Brief description of the drawings
The mark in the content and figure expressed by this specification accompanying drawing is briefly described below：
Fig. 1 is the structural representation of the laser instrument for measuring height of embodiment of the present utility model.
Fig. 2 is the general frame of the laser instrument for measuring height of embodiment of the present utility model.
Fig. 3 is the circuit diagram of the solar energy circuit of embodiment of the present utility model.
Fig. 4 is the circuit diagram of the infrared receiving device of embodiment of the present utility model.
Fig. 5 is the overall reception device circuit diagram of embodiment of the present utility model.
Fig. 6 is the circuit diagram of the level logic circuit of embodiment of the present utility model.
Fig. 7 is the circuit diagram of the encoder of embodiment of the present utility model.
1 in figure, A faces；2nd, B faces；3rd, infrared receiving device；4th, infrared launcher；5th, display module.
Embodiment
Below against accompanying drawing, by the description to embodiment, embodiment of the present utility model is for example involved each
Mutual alignment and annexation, the effect of each several part and operation principle, manufacture work between the shape of component, construction, each several part
Skill and operate with method etc., are described in further detail, to help those skilled in the art to invention of the present utility model
Design, technical scheme have more complete, accurate and deep understanding.
As depicted in figs. 1 and 2, a kind of laser instrument for measuring height, including it is solar energy circuit, gantry, infrared launcher, red
Infrared receiving device, level logic circuit and encoder, infrared launcher are arranged on the A faces in the passageway at gantry, infrared receiver dress
Put the B faces that facade is faced installed in A, the signal output part connection level logic circuit of infrared receiving device, level logic circuit
Encoder is connected, the display module of encoder connection MCU, MCU provided with display height data, solar energy circuit connects infrared hair
Injection device, infrared receiving device, level logic circuit and encoder.Multiple infrared launchers are installed on A faces, it is multiple infrared
Emitter is from being arranged on A faces apart from the position on 1.6 meters of ground is equidistant, and each infrared launcher corresponds to one infrared
Reception device.
2.3 meters of gantry whole height, from 1.6 meters of the place in device A faces inside, an infrared hair is placed every 1 centimetre
Injection device, places 32 infrared VISIBLE LIGHT EMISSION device altogether.Again from 1.6 meters inside device B faces of place, put every 1 centimetre
An infrared receiving device is put, 32 infrared receiving devices are placed altogether, are numbered from bottom to top as 0-31.For example when someone from
Walk out-of-date this artificial 175 centimetres of hypothesis in centre, then the reception device that numbering is 0-14 does not receive infrared light and then sends 14
Position high level signal, only takes out highest order by corresponding level logic circuit and gives the line coding circuit of 32 line -5 so as to produce
01111 binary signal, gives display module and stores.
As shown in figure 3, J1 represents solar cell plate interface, J100 represents battery interface, and J2 represents system power taking mouthful, too
Positive energy circuit includes solar panel, battery, diode D100, electric capacity C2, voltage stabilizing chip LM7805, electrochemical capacitor C1, electricity
R21 and light emitting diode D1 is hindered, the both positive and negative polarity of solar panel connects diode D100 positive pole, diode D100 both positive and negative polarity
Be connected on the two ends of battery, diode ensure that battery current will not flow back to solar panel so that solar energy can side fill
Electric side work, by LM7805 voltage stabilizing chips, obtains 5.0V voltages.Diode D100 negative pole connects the input of voltage stabilizing chip,
Electric capacity C2 is connected between the input and battery interface of voltage stabilizing chip, 0.1uF electric capacity is added in the input of voltage stabilizing chip
Harmonic wave can be filtered.The output end connection electrochemical capacitor C1 of voltage stabilizing chip, output end plays voltage stabilizing plus 47uF electrochemical capacitor
Effect cause output voltage more stablize.The output end of voltage stabilizing chip is connected with the resistance R21 and light emitting diode of series connection
D1, and add LED that user can be allowed more intuitively to see whether the solar panel is in normal operating conditions in output end,
And added 1KR resistance serves the function of overload protection.
The infrared VISIBLE LIGHT EMISSION head of infrared launcher just can send infrared visible ray directly plus 5 volts of power supplys.It is red
Infrared receiving device includes voltage comparator, photo resistance R10 and R14, potentiometer and resistance, as shown in figure 4, the two of photo resistance
The input in the same direction of termination voltage comparator, the reverse input end of potentiometer RW adjustable voltage termination voltage comparator, voltage
The output termination level logic circuit of comparator.Reduce characteristic, light with the increase of intensity of illumination using the resistance of photo resistance
The voltage at quick resistance two ends connects the input in the same direction of voltage comparator, and potentiometer RW adjustable electric crimps the reverse of voltage comparator
Input, regulation potentiometer make it that the output end of the voltage comparator when there is laser to irradiate photo resistance exports low level, does not have
Voltage comparator output end output high level when laser irradiates photo resistance.When people station is in laser measuring apparatus, light beam is kept off
Firmly, photo resistance does not receive infrared visible ray then resistance becomes big, then voltage comparator output high level.32 infrared receiver dresses
The overall reception device circuit diagram for putting composition is as shown in Figure 5.
It is the signals of I ' 0-I ' 31 that level logic circuit, which includes the signal input part that 32 numberings are I0-I31 and 32 numberings,
Output end, as shown in fig. 6, level logic circuit includes 31 and door and 31 NOT gates, corresponds to numbering I ' with the output end of door
The output end of 0-I ' 30 level logic circuit, numbering I ' 31 signal output part connects the signal of numbering I31 signal input parts,
Be connected signal input part with an input of door, be connected with another input of door adjacent signals input by it is non-behind the door
Signal.Encoder connected by four 74LS148 chips set associatives and a piece of 74F37 NAND gates chip and two panels 74F20 with it is non-
Door chip is composed in parallel, and encoder connects the signal output part of level logic circuit, coding respectively provided with 32 signal input parts
Device is provided with 5 signal output parts Z0, Z1, Z2, Z3, Z4 and Z5.
32 bits that 32 infrared receiving devices are produced can not be used directly, even if using PLC technology
Device, is also I/O mouthfuls of resources of unusual waste.We constitute the coding of the line of 32 line -5 from 4 74LS148 coding chips herein
Device.
It is high level that can only have one in 32 input circuits for the coding circuit, needs to add necessary patrol for this
Circuit is collected to ensure that each incoming level only has one for high level.Level logic circuit is as shown in Figure 6.It is non-in this circuit arrangement
Door uses 74F04 chips, and 74F08 chips are used with door.When measured's height is 180 centimetres, then 0 to 19 infrared receiver
Photo resistance on device will not be irradiated by infrared beam, and the output end of voltage comparator can then export high level；It is whole to receive
The data that part is produced are 0,000 0,000 0,000 1,111 1,111 1,111 1,111 1111, and such data give the line of 32 line -5
Encoder is not all right.Needed upper one of Ix for this by NOT gate and IxCarry out passing to the line coding of 32 line -5 with computing
The I' of devicexPosition【I.e.】.The binary coding that then original 180 centimetres of height is produced is changed into 0,000 0000
0000 1000 0000 0000 0000 0000。
The line coding device of 32 line -5 of four 74LS148 chips compositions is as shown in Figure 7.Its course of work coding as follows
Effectively, each encoder has 8 input ports to device high level, is output as 3 binary code A2A1A0；
A2=I0'I1'I2'I3'I4I5'I6'I7'+I0'I1'I2'I3'I4'I5I6'I7'+I0'I1'I2'I3'I4'I5'I6I7'+
I0'I1'I2'I3'I4'I5'I6'I7
A1=I0'I1'I2I3'I4'I5'I6'I7'+I0'I1'I2'I3I4'I5'I6'I7'+I0'I1'I2'I3'I4'I5'I6I7'+
I0'I1'I2'I3'I4'I5'I6'I7
A0=I0'I1'I2I3'I4'I5'I6'I7'+I0'I1'I2'I3I4'I5'I6'I7'+I0'I1'I2'I3'I4'I5I6'I7'+
I0'I1'I2'I3'I4'I5'I6'I7
To be measured the 180 centimetres of calculating of people's height above, then 5 binary codes drawn are 10100；By five of gained
Binary code passes to the display module with MCU and is stored on TF cards, need to be by two when needing to read measured's height
It is exactly the true height of measured that system number, which turns on decimal add 160,.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model implement not by
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that method design of the present utility model and technical scheme are carried out
Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in the utility model
Protection domain within.Protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of laser instrument for measuring height, it is characterised in that the laser instrument for measuring height includes solar energy circuit, gantry, red
Outer emitter, infrared receiving device, level logic circuit and encoder, infrared launcher are arranged on the A in the passageway at gantry
Face, infrared receiving device is arranged on the B faces that A faces facade, and the signal output part of infrared receiving device connects level logic circuit,
Level logic circuit connects encoder, the display module of encoder connection MCU, MCU provided with display height data, solar-electricity
Road connection infrared launcher, infrared receiving device, level logic circuit and encoder.
2. laser instrument for measuring height according to claim 1, it is characterised in that multiple infrared hairs are provided with the A faces
Injection device, multiple infrared launchers are from being arranged on A faces apart from the position on 1.6 meters of ground is equidistant, each infrared emission dress
Put corresponding to an infrared receiving device.
3. laser instrument for measuring height according to claim 1, it is characterised in that the solar energy circuit includes solar-electricity
Pond plate, battery, diode, electric capacity, voltage stabilizing chip, electrochemical capacitor, resistance and light emitting diode, the both positive and negative polarity of solar panel
The positive pole of diode is connect, the both positive and negative polarity of diode is connected on battery two ends, and the negative pole of diode connects the input of voltage stabilizing chip, voltage stabilizing
Electric capacity is connected between the input and battery interface of chip, the output end of voltage stabilizing chip connects electrochemical capacitor, voltage stabilizing chip
Output end is connected with the resistance and light emitting diode of series connection.
4. laser instrument for measuring height according to claim 1, it is characterised in that the infrared receiving device includes voltage ratio
Compared with device, photo resistance, potentiometer and resistance, the two of photo resistance terminate the input in the same direction of voltage comparators, potentiometer RW's
The reverse input end of adjustable voltage termination voltage comparator, the output termination level logic circuit of voltage comparator.
5. laser instrument for measuring height according to claim 1, it is characterised in that the level logic circuit includes 32 volumes
Number signal input part for being I0-I31 and 32 numberings are the signal output parts of I ' 0-I ' 31, and level logic circuit includes 31 and door
With 31 NOT gates, the output end of numbering I ' 0-I ' 30 level logic circuit, numbering I ' 31 letter are corresponded to the output end of door
Number output end connects the signal of numbering I31 signal input parts, and signal input part is connected with an input of door, another with door
Individual input connection adjacent signals input passes through non-signal behind the door.
6. laser instrument for measuring height according to claim 1, it is characterised in that the encoder is by four 74LS148 cores
The connection of piece set associative and a piece of 74F37 NAND gates and two panels 74F20 NAND gate chips are composed in parallel, and encoder has 32 signals defeated
Enter end, 5 signal output parts.
7. laser instrument for measuring height according to claim 1, it is characterised in that TF storage cards are provided with the MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059936.2U CN206333900U (en) | 2016-09-18 | 2016-09-18 | A kind of laser instrument for measuring height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059936.2U CN206333900U (en) | 2016-09-18 | 2016-09-18 | A kind of laser instrument for measuring height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206333900U true CN206333900U (en) | 2017-07-18 |
Family
ID=59299637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621059936.2U Expired - Fee Related CN206333900U (en) | 2016-09-18 | 2016-09-18 | A kind of laser instrument for measuring height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206333900U (en) |
-
2016
- 2016-09-18 CN CN201621059936.2U patent/CN206333900U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20180918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |