CN208000163U - A kind of infrared sensor - Google Patents
A kind of infrared sensor Download PDFInfo
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- CN208000163U CN208000163U CN201820533386.6U CN201820533386U CN208000163U CN 208000163 U CN208000163 U CN 208000163U CN 201820533386 U CN201820533386 U CN 201820533386U CN 208000163 U CN208000163 U CN 208000163U
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Abstract
The utility model is related to sensor fields.It discloses a kind of infrared sensor, including pedestal and the sensor body that is fixed on the base, further includes the first timing module, the second timing module, electrostatic precipitation module.Electrostatic precipitation module includes power supply, shell, switch module, anode plate and cathode plate.The first drive signal is exported after the first timing module reaches preset timing, switch module is connected in response to the first drive signal, to which the anode of anode plate and power supply is connected, carry out electrostatic precipitation, the second drive signal is exported after the second timing module reaches preset timing, switch module is disconnected in response to the second drive signal, and electrostatic precipitation stops.
Description
Technical field
The utility model is related to sensor field, more particularly to a kind of infrared sensor.
Background technology
In low-voltage distribution and control field, the safe and reliable fortune of the quality of switchgear main-circuit socket connector to switchgear
Row plays the role of very important, and main-circuit socket connector contact is well the important indicator of connector quality.Contact
Contact resistance and Wen Sheng of the bad connector after dash current (overload current) experiment significantly increase, and poor contact occur,
Contact is burnt, and temperature liter is excessively high to cause contact surface oxidation, the annealing of touch spring piece and plastics supporter softening transform, makes connector
Contact more deteriorate, accelerate failure, and mostly use temperature sensor at present and monitored on-line.
Existing switchgear usage time long afterwards, can have the case where dust accumulation, and sensor is there are dust
Temperature measurement accuracy can be influenced, or even causes the damage of temperature measurer, therefore there is room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of infrared sensors, have the advantages that dust removal.
The above-mentioned technical purpose of the utility model technical scheme is that:
A kind of infrared sensor, including pedestal and the sensor body that is fixed on the base further include:
First timing module, is set in sensor body, and the first drive signal is exported after reaching preset timing;
Second timing module, is set in sensor body, and the second drive signal is exported after reaching preset timing;
Electrostatic precipitation module, including power supply, shell, switch module, anode plate and cathode plate, the shell are sheathed on biography
The anode connection of sensor ontology receiving and transmitting signal end, the cathode plate and power supply, the positive pole and switch module anode plate
Be sequentially connected in series, the switch module is electrically connected with the first timing module, the second timing module, the switch module in response to
First drive signal is connected, and the switch module disconnects in response to the second drive signal, the anode plate be set on shell and
It is electrically connected with switch module, the cathode plate, which is set on shell, to be oppositely arranged and be electrically connected with the power supply with anode plate.
Setting in this way exports the first drive signal after the first timing module reaches preset timing, opens
It closes module be connected in response to the first drive signal, is connected to the anode of anode plate and power supply, carry out electrostatic precipitation, determine when second
When module reach preset timing after export the second drive signal, switch module is disconnected in response to the second drive signal, quiet
Electric precipitation stops.
The utility model is further arranged:The shell is slidably connected with sensor body along the direction of its receiving and transmitting signal,
The drive module of drive shell sliding is provided in the sensor body, the drive module is electrically connected with the power supply and responds
It is slid to close to the direction of measured object in the first drive signal drive shell, the drive module is electrically connected with the power supply and responds
In the second drive signal drive shell far from measured object.
Setting in this way, when drive module receives the first drive signal, drive module drive shell is to close
The direction of measured object slides so that shell can extend to measured object direction, increase dust removing effects.When drive module receives second
When drive signal, drive module drive shell simultaneously switches off electrostatic precipitation far from measured object.
The utility model is further arranged:The drive module includes motor, gear and rack, the motor in response to
First drive signal is rotated forward, is rotated backward in response to the second drive signal, and the motor is fixed at sensor body
On, the gear is rotatablely connected with sensor body and is fixed with the output shaft of motor, and the rack is fixed on shell,
The wheel and rack intermeshing.
Setting in this way, motor rotate forward, and band moving gear rotates.Gear can drive while rotation and engage
Rack movement, to finally drive shell to close to measured object direction move, to achieve the effect that driving.
The utility model is further arranged:First timing module include the one 555 timing circuit, the described 1st
The delay time of timing circuit is adjustable.
Setting in this way so that sensor can customize required timing by adjusting delay time,
So that sensor has more practicability.
The utility model is further arranged:Second timing module include the 2nd 555 timing circuit, the described 2nd 555
The delay time of timing circuit is adjustable.
Setting in this way so that sensor can be customized by adjusting the delay time of the 2nd 555 timing circuit
Required timing so that the working time of sensor electrostatic precipitation is adjustable, enable sensor can according to use environment come
Carry out rational time adjustment.
The utility model is further arranged:Ball, the ball and housing into rotation are evenly equipped on the inner surface of the shell
Connection, the outer wall of the sensor body are contacted with ball surface.
Setting in this way when shell generates relative displacement with sensor body, is reduced generated relative friction
Power plays the effect for the power that shell is driven required for reducing, to reach energy-efficient purpose.
The utility model is further arranged:The shell is fixing limit switches, the limit close to the end of measured object
Bit switch exports stop signal when triggering, the drive module is acted in response to stop signal stopping.
Setting in this way, during shell is moved to measured object, if encountering foreign matter, foreign matter can press limit switch
K1 is to trigger its disconnection, and motor is stopped at this time, and shell stops movement.Such setting can avoid shell in mobile mistake
Hard object is unintentionally encountered in journey, if guild damages shell before continuing, plays the effect of protection shell.
The utility model is further arranged:The sensor body outer surface is fixed with isolation cover, the isolation cover setting
Between sensor body and shell.
Setting in this way, isolation cover can play effect mutually isolated between shell and sensor, and playing prevents shell
Interactional effect between body and sensor.
In conclusion the utility model has the advantages that:
1. exporting the first drive signal after the first timing module reaches preset timing, switch module is in response to
One drive signal is connected, and to which the anode of anode plate and power supply is connected, electrostatic precipitation is carried out, when the second timing module reaches default
Timing after export the second drive signal, switch module is disconnected in response to the second drive signal, electrostatic precipitation stop;
During 2. shell is moved to measured object, if encountering foreign matter, foreign matter can press limit switch K1 to trigger it
It disconnects, motor is stopped at this time, and shell stops movement.Such setting can avoid shell and unintentionally encounter in the process of moving
Hard object plays the effect of protection shell if guild damages shell before continuing.
Description of the drawings
Fig. 1 is the concrete structure diagram of sensor body in the present embodiment;
Fig. 2 is the concrete structure diagram of ball in the present embodiment;
Fig. 3 is the control principle block diagram of the present embodiment;
Fig. 4 is the circuit diagram of the present embodiment.
Reference numeral:1, pedestal;2, sensor body;3, the first timing module;4, the second timing module;5, shell;6,
Anode plate;7, cathode plate;8, motor;9, gear;10, rack;11, button;12, ball;13, isolation cover.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
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.
A kind of infrared sensor, as shown in Figure 1 and Figure 2, including pedestal 1, the sensor body that is fixed on pedestal 1
2, pedestal 1 is provided with the first timing module 3 and the second timing module 4, and electrostatic precipitation module is provided in sensor body 2.
First timing module 3 includes the one 555 timing circuit, and electrostatic precipitation module includes that sliding sleeve is set to sensor body
Shell 5 on 2, the anode plate 6 being fixedly installed on shell 5 and cathode plate 7, anode plate 6 and cathode plate 7 are at being oppositely arranged.
Electrostatic precipitation module further includes power supply and switch module.
Referring to Fig. 1 and Fig. 2, infrared sensor further includes the drive module that drive shell 5 slides, and drive module includes electricity
Machine 8, gear 9 and rack 10.Wherein motor 8 is fixed in sensor body 2, and gear 9 is fixed with the output shaft on motor 8 to be connected
It connects and is rotatablely connected with sensor body 2.Rack 10 is fixed on shell 5 and is intermeshed with gear 9.
It is fixed with button 11 close to the end of measured object in shell 5, button 11 is limit switch K1, is normally off.
One 555 timing circuit includes the first NE555 chips, NPN triode KT1 and relay KM1, the first NE555
It is connected with a slide rheostat RP1 between 6 pins and 8 pins of chip, according to actual needs, slide rheostat RP1 can be passed through
The delay time of the one 555 delay circuit is adjusted, 6 pins of the first NE555 chips are connect with 2 pins, and 2 pins input the first arteries and veins
Signal is rushed, is grounded after 6 pins connection, the one capacitance C1 of the first NE555 chips, 1 pin ground connection, 5 pins of the first NE555 chips
It is grounded after connecting a capacitance C2,4 pins of the first NE555 chips are connected with 8 pins, 8 pins and power supply of the first NE555 chips
Positive VCC be connected, 3 pins of the first NE555 chips are connected with the base stage of NPN triode KT1, the current collection of NPN triode KT1
Pole is connect with the positive VCC with power supply after the coil tandem of relay KM1, the emitter ground connection of NPN triode KT1, motor 8
Positive terminal is connected with after one group of normally opened contact of relay KM1 concatenation with the positive VCC of power supply, and the cathode of motor 8 connects
Another group of normally opened contact, the limit switch K1 of line end and relay KM1 are grounded after being sequentially connected in series.
In the present embodiment, switch module includes one group of normally opened contact of relay KM1, and the one of anode plate 6 and relay KM1
It is connected with the positive VCC of power supply after group normally opened contact series connection, cathode plate 7 is connected with the cathode of power supply.
When 2 pin input low level of the first NE555 chips, 3 pins of the first NE555 chips export high level, from
And NPN triode KT1 conductings, the coil of relay KM1 obtain electric, the normally opened contact closure of relay KM1, motor 8 rotates forward,
Band moving gear 9 rotates.Gear 9 can drive the rack 10 that engages to move while rotation, to finally drive shell 5 to by
The direction movement of nearly measured object.When 2 pin input high level of the first NE555 chips, 3 pins of the first NE555 chips are defeated
Go out low level, to which NPN triode KT1 is not turned on, the coil of relay KM1 must not be electric, and the normally opened contact of relay KM1 is disconnected
It opens, motor 8 does not rotate.
2nd 555 timing circuit includes the 2nd NE555 chips, is connected between 6 pins and 8 pins of the 2nd NE555 chips
There is a slide rheostat RP2, according to actual needs, when can adjust the delay of the one 555 delay circuit by slide rheostat RP2
Between, 6 pins of the 2nd NE555 chips are connect with 2 pins, and 2 pins input the second pulse signal, 6 pins of the 2nd NE555 chips
It is grounded after connecting a capacitance C3, the 1 pin ground connection of the 2nd NE555 chips, 5 pins of the 2nd NE555 chips connect a capacitance C4
After be grounded, 4 pins of the 2nd NE555 chips are connected with 8 pins, 8 pins of the 2nd NE555 chips and the positive VCC phases of power supply
Even, 3 pins of the 2nd NE555 chips are connected with the base stage of NPN triode KT2, the collector and relay of NPN triode KT2
It is connect with the positive VCC of power supply after the coil tandem of KM2, the emitter ground connection of NPN triode KT2, the positive terminal of motor 8
It is grounded after being sequentially connected in series with one group of normally opened contact, the limit switch K1 of relay KM2, the negative terminals and relay of motor 8
It is connected with the anode of power supply after another group of normally opened contact concatenation of KM2.
When 2 pin input low level of the 2nd NE555 chips, 3 pins of the 2nd NE555 chips export high level, from
And NPN triode KT2 conductings, the coil of relay KM2 obtain electric, the normally opened contact closure of relay KM2, motor 8 rotates backward,
Band moving gear 9 rotates.Gear 9 can drive the rack 10 that engages to move while rotation, to finally drive shell 5 to remote
Direction movement from measured object.When 2 pin input high level of the 2nd NE555 chips, 3 pins of the 2nd NE555 chips are defeated
Go out low level, to which NPN triode KT2 is not turned on, the coil of relay KM2 must not be electric, and the normally opened contact of relay KM2 is disconnected
It opens, motor 8 does not rotate.
In the case of the coil of relay KM1 is nonconducting, power supply is NE555 chip power supplies, and high level is exported by 3 pins,
It to NPN triode KT1 conductings, powers to CPU, carries out normal thermometric work, when reaching delay time, 555 circuits stop
Low level is exported, NPN triode KT1 is not turned on, and to stop the power supply to CPU, stops thermometric work.
During shell 5 is moved to measured object, if encountering foreign matter, it is disconnected to trigger it that foreign matter can press limit switch K1
It opens, motor 8 is stopped at this time, and shell 5 stops movement.
Ball 12 is evenly equipped on the inner surface of shell 5, ball 12 is embedded into shell 5 to be rotatablely connected with it, is passed simultaneously
The outer wall of sensor ontology 2 is contacted with 12 surface of ball.Such setting is so that shell 5 generates relative displacement with sensor body 2
When, the effect that generated relative friction forces are played and reduce the required power for driving shell 5 is reduced, it is energy saving to reach
Purpose.
It is fixed with isolation cover 13 in the outer surface of sensor body 2, while the position of isolation cover 13 is arranged in sensor sheet
Between body 2 and shell 5.
Specific work process:During infrared sensor normal thermometric, it is fixed that the first pulse signal is input to the 1st
When circuit, the second pulse signal is input to the 2nd 555 timing circuit, the low and high level of the first pulse signal and the second pulse signal
For state on the contrary, to when 2 pin input low level of the first NE555 chips, the 2 pins input of the 2nd NE555 chips is high electric
It is flat, the 3 pins output high level of the first NE555 chips to NPN triode KT1 conductings, the coil of relay KM1 obtain it is electric, after
The normally opened contact of electric appliance KM1 is closed, and motor 8 rotates forward, and shell 5 is driven to be moved to close to the direction of measured object.Power supply simultaneously
Anode connect with anode plate 6, progress electrostatic precipitation.
When 2 pin input high level of the first NE555 chips, 2 pin input low levels of the 2nd NE555 chips, the
3 pins of one NE555 chips export low level, and to which NPN triode KT1 is not turned on, the coil of relay KM1 must not be electric, after
The normally opened contact of electric appliance KM1 disconnects, and 3 pins of the 2nd NE555 chips export high level, to which NPN triode KT2 is connected, after
The coil of electric appliance KM2 obtains electric, and the normally opened contact of relay KM2 is closed, and motor 8 rotates backward, and band moving gear 9 rotates.9 turns of gear
The rack 10 engaged can be driven to move while dynamic, to finally shell 5 be driven to be moved to the direction far from measured object, after
The normally opened contact of electric appliance KM1 disconnects, and to disconnect the connection of anode plate 6 and positive pole, stops electrostatic precipitation.
Claims (8)
1. a kind of infrared sensor, including pedestal (1) and the sensor body (2) that is fixed on pedestal (1), feature
It is:Further include:
First timing module (3) is set in sensor body (2), reaches output the first driving letter after preset timing
Number;
Second timing module (4) is set in sensor body (2), reaches output the second driving letter after preset timing
Number;
Electrostatic precipitation module, including power supply, shell (5), switch module, anode plate (6) and cathode plate (7), the shell (5)
Be sheathed on sensor body (2) receiving and transmitting signal end, the cathode plate (7) connect with the anode of power supply, the positive pole and
Switch module anode plate (6) is sequentially connected in series, and the switch module and the first timing module (3), the second timing module (4) are electrically
Connection, the switch module are connected in response to the first drive signal, and the switch module is disconnected in response to the second drive signal, institute
State anode plate (6) be set on shell (5) and with switch module be electrically connected, the cathode plate (7) be set on shell (5) with
Anode plate (6) is oppositely arranged and is electrically connected with the power supply.
2. a kind of infrared sensor according to claim 1, it is characterized in that:The shell (5) and sensor body (2)
It is slidably connected along the direction of its receiving and transmitting signal, the driving mould of drive shell (5) sliding is provided on the sensor body (2)
Block, the drive module are electrically connected with the power supply and in response to the first drive signal drive shell (5) to close to the side of measured object
To sliding, the drive module is electrically connected with the power supply and in response to the second drive signal drive shell (5) far from measured object.
3. a kind of infrared sensor according to claim 2, it is characterized in that:The drive module includes motor (8), tooth
Wheel (9) and rack (10), the motor (8) rotate forward in response to the first drive signal, are anti-in response to the second drive signal
To rotation, the motor (8) is fixed in sensor body (2), and the gear (9) connects with sensor body (2) rotation
It connects and is fixed with the output shaft of motor (8), the rack (10) is fixed on shell (5), the gear (9) and rack
(10) it is intermeshed.
4. a kind of infrared sensor according to claim 3, it is characterized in that:First timing module (3) includes the
The delay time of one 555 timing circuits, the one 555 timing circuit is adjustable.
5. a kind of infrared sensor according to claim 2, it is characterized in that:Second timing module (4) includes the
The delay time of 2 555 timing circuits, the 2nd 555 timing circuit is adjustable.
6. a kind of infrared sensor according to claim 3, it is characterized in that:It is uniformly distributed on the inner surface of the shell (5)
There are ball (12), the ball (12) to be rotatablely connected with shell (5), outer wall and ball (12) table of the sensor body (2)
Face contacts.
7. a kind of infrared sensor according to claim 3, it is characterized in that:The shell (5) is close to measured object
End is fixed with button (11), and the button (11) exports stop signal when triggering, and the drive module is in response to stop signal
Stopping acts.
8. a kind of infrared sensor according to claim 3, it is characterized in that:Sensor body (2) outer surface is solid
There are isolation cover (13), the isolation cover (13) to be arranged between sensor body (2) and shell (5) surely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533386.6U CN208000163U (en) | 2018-04-13 | 2018-04-13 | A kind of infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533386.6U CN208000163U (en) | 2018-04-13 | 2018-04-13 | A kind of infrared sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000163U true CN208000163U (en) | 2018-10-23 |
Family
ID=63839387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820533386.6U Active CN208000163U (en) | 2018-04-13 | 2018-04-13 | A kind of infrared sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000163U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567670A (en) * | 2018-11-21 | 2019-04-05 | 刘玉蓉 | A kind of intellective dust collector |
| CN109589044A (en) * | 2018-11-21 | 2019-04-09 | 刘玉蓉 | A kind of high-precision instruction device on dust catcher |
| CN112015124A (en) * | 2020-09-11 | 2020-12-01 | 国网四川省电力公司攀枝花供电公司 | Sensor induction control device for preventing small animals |
-
2018
- 2018-04-13 CN CN201820533386.6U patent/CN208000163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567670A (en) * | 2018-11-21 | 2019-04-05 | 刘玉蓉 | A kind of intellective dust collector |
| CN109589044A (en) * | 2018-11-21 | 2019-04-09 | 刘玉蓉 | A kind of high-precision instruction device on dust catcher |
| CN109589044B (en) * | 2018-11-21 | 2021-02-02 | 浙江麦卡德工贸有限公司 | High-precision indicating device used on dust collector |
| CN112015124A (en) * | 2020-09-11 | 2020-12-01 | 国网四川省电力公司攀枝花供电公司 | Sensor induction control device for preventing small animals |
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