CN105522964A - High-sensitivity gain type flashing reversing aid system for underground parking garage - Google Patents
High-sensitivity gain type flashing reversing aid system for underground parking garage Download PDFInfo
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- CN105522964A CN105522964A CN201510922823.4A CN201510922823A CN105522964A CN 105522964 A CN105522964 A CN 105522964A CN 201510922823 A CN201510922823 A CN 201510922823A CN 105522964 A CN105522964 A CN 105522964A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/002—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle
- B60Q9/004—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle using wave sensors
- B60Q9/006—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle using wave sensors using a distance sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/002—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle
- B60Q9/007—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle providing information about the distance to an obstacle, e.g. varying sound
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- Transportation (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a high-sensitivity gain type flashing reversing aid system for an underground parking garage, comprising a controller, a flashing reminding device connected on the controller, a power source connected both with the flashing reminding device and the controller, as well as an ultrasonic sensing device connected with the controller through a timer, wherein the flashing reminding device is a flashing control circuit provided with flash tubes, a high-sensitivity ultrasonic receiving circuit is arranged at the ultrasonic receiving end of the ultrasonic sensing device, and a gain control circuit is arranged on the signal output end of the ultrasonic sensing device. By adopting the high-sensitivity gain type flashing reversing aid system for the underground parking garage, provided by the invention, a vehicle can better reverse in the underground parking garage, so that the occurrence rate of an accident caused by the unfamiliar field or poor driving technology is greatly reduced, and the personal and property safety of a driver can be better guaranteed.
Description
Technical field
The invention belongs to parking field of auxiliary, specifically refer to a kind of high sensitivity gain formula flash-lamp type underground parking reversing aid system that can effectively help chaufeur to stop in parking area.
Background technology
Along with the development of society, automobile progressively universal, along with the increase of the automobile volume of holding per capita, need larger ground with the underground space for parking cars when the building of building, and chaufeur is easy to when moveing backward the collision or the scuffing that cause vehicle because of unfamiliar condition.And in prior art, chaufeur normally relies on the driving technique of self or the auxiliary reversing device of vehicle self-carrying to complete reversing, and it is limited and the chaufeur of auxiliary reversing device is not installed for some driving technique, in unfamiliar environment, reversing is easy to have an accident, and all can bring larger trouble to each chaufeur and operating personal.
Summary of the invention
The object of the invention is to overcome the problems referred to above, a kind of high sensitivity gain formula flash-lamp type underground parking reversing aid system is provided, vehicle can better be moveed backward in underground parking, greatly reducing the incidence crossing the accident that difference is brought because being unfamiliar with place or driving technique, better having ensured the person and the property safety of chaufeur.
Object of the present invention is achieved through the following technical solutions:
High sensitivity gain formula flash-lamp type underground parking reversing aid system, comprise controller, connect sparkling prompting device on the controller, the power supply be simultaneously connected with controller with sparkling prompting device, and formed by the supersonic sensing device that time meter is connected with this controller; Described sparkling prompting device is the flashing light control circuit being provided with flashtube, the super sonic receiving end place of supersonic sensing device is provided with high-sensitivity ultrasonic acceptor circuit, and is provided with gain control circuit on its signal output part.
Further, above-mentioned flashing light control circuit is by voltage transformer T1, all be arranged on inductance coil L1 and the inductance coil L2 on the former limit of voltage transformer T1, be arranged on the inductance coil L3 of the secondary of voltage transformer T1, voltage transformer T2, unidirectional thyristor VS1, flashtube EL1, aerotron VT1, relay K, N pole is connected with the Same Name of Ends of the former limit inductance coil L1 of voltage transformer T1, P pole meets the diode D1 of positive source, one end is connected with the N pole of diode D1, the resistance R1 that the other end is connected with the base stage of aerotron VT1, one end is connected with the base stage of aerotron VT1, the resistance R2 that the other end is connected with the non-same polarity of former limit inductance coil L2 of voltage transformer T1 and the Same Name of Ends of the secondary inductance coil L3 of voltage transformer T1 simultaneously, negative pole connects power cathode, the electric capacity C1 that positive pole is connected with the Same Name of Ends of the secondary inductance coil L3 of voltage transformer T1, P pole is connected with the non-same polarity of the secondary inductance coil L3 of voltage transformer T1, the diode D2 that N pole is connected with the anode of unidirectional thyristor VS1 after photoconductive cell RT1, positive pole is connected with the N pole of diode D2, the electric capacity C2 that negative pole is connected with the negative pole of electric capacity C1, positive pole is connected with the anode of unidirectional thyristor VS1, the electric capacity C3 that negative pole is connected with the control pole of unidirectional thyristor VS1 after resistance R4, one end is connected with the negative pole of electric capacity C3, the resistance R3 that the other end is connected with the negative electrode of unidirectional thyristor VS1, positive pole is connected with the positive pole of electric capacity C3, the electric capacity C4 that negative pole is connected with the Same Name of Ends of the primary coil of voltage transformer T2, be disposed adjacent with photoconductive cell RT1 and light-emitting diode VD1 for irradiating bright resistance RT1, and one end is connected with the N pole of diode D2 after the normally closed contact K-2 of relay K, the warning light EL2 that the other end is connected with the negative electrode of unidirectional thyristor VS1 forms, wherein, the collecting electrode of aerotron VT1 is connected with the non-same polarity of the former limit inductance coil L1 of voltage transformer T1, the emitter of aerotron VT1 is connected with the negative pole of electric capacity C1, the Same Name of Ends ground connection of the former limit inductance coil L2 of voltage transformer T1, the negative electrode of unidirectional thyristor VS1 is connected with the Same Name of Ends of the non-same polarity of voltage transformer T2 former limit inductance coil and the secondary inductance coil of voltage transformer T2 simultaneously, one end of relay K is connected with the N pole of light-emitting diode VD1, the other end of this relay K forms the signal input part of this circuit with the P pole of diode VD1 and is connected with controller, one end of flashtube EL1 is connected with the N pole of diode D2 after the open contact K-1 of relay K, its other end is connected with the negative electrode of unidirectional thyristor VS1, the trigger end of this flashtube EL1 is connected with the non-same polarity of voltage transformer T2 secondary inductance coil, the P pole of diode D1 forms the input end of this circuit with the negative pole of electric capacity C1 and is connected with power supply, power supply provides the input voltage of 12V to this circuit.
Further, above-mentioned high-sensitivity ultrasonic acceptor circuit is by receptor BL, metal-oxide-semiconductor Q1, aerotron VT2, aerotron VT3, op amp P1, positive pole is connected with one end of receptor BL, the electric capacity C5 that negative pole is connected with the grid of metal-oxide-semiconductor Q1 after resistance R4, P pole is connected with the grid of metal-oxide-semiconductor Q1, the diode D3 that N pole is connected with the other end of receptor BL, P pole is connected with the N pole of diode D3, the diode D4 that N pole is connected with the P pole of diode D3, the resistance R5 be arranged in parallel with diode D4, one end is connected with the source electrode of metal-oxide-semiconductor Q1, the resistance R6 that the other end is connected with the P pole of diode D4, positive pole is connected with the source electrode of metal-oxide-semiconductor Q1, the electric capacity C6 that negative pole is connected with the collecting electrode of aerotron VT2 and the base stage of aerotron VT3 simultaneously, one end is connected with the drain electrode of metal-oxide-semiconductor Q1, the resistance R7 that the other end is connected with the negative pole of electric capacity C6 after resistance R8, one end is connected with the point of connection of resistance R8 with resistance R7, the resistance R9 that the other end is connected with the collecting electrode of aerotron VT3, positive pole is connected with the emitter of aerotron VT3, the electric capacity C8 that negative pole is connected with the base stage of aerotron VT2, one end is connected with the positive pole of electric capacity C8, the resistance R40 that the other end is connected with the emitter of aerotron VT2, positive pole is connected with the collecting electrode of aerotron VT3, the electric capacity C7 that negative pole is connected with the positive input terminal of op amp P1, one end is connected with the negative pole of electric capacity C7, the resistance R41 that the other end is connected with the positive pole of electric capacity C8, negative pole is connected with the positive pole of electric capacity C8, the electric capacity C50 that positive pole is connected with the negative input end of op amp P1 after resistance R42, be serially connected in the resistance R43 between the negative input end of op amp P1 and mouth, positive pole is connected with the negative pole of electric capacity C7, the electric capacity C9 that negative pole is connected with the mouth of op amp P1, and the electric capacity C51 that positive pole is connected with the mouth of op amp P1 forms, wherein, the N pole of diode D3 is connected with the base stage of aerotron VT2, the grounded base of aerotron VT2, and the point of connection of resistance R7 and resistance R8 is connected to+5V power supply, the negative pole of electric capacity C51 as this circuit mouth and be connected with the input end of time meter.
Further, above-mentioned gain control circuit is by aerotron VT4, aerotron VT5, aerotron VT6, one end is connected with the base stage of aerotron VT4 after resistance R15, the resistance R14 that the other end is connected with the collecting electrode of aerotron VT4 after resistance R17, one end is connected with the point of connection of resistance R15 with resistance R14, the resistance R16 that the other end is connected with the emitter of aerotron VT5 after resistance R19, one end is connected with the emitter of aerotron VT5, the resistance R18 that the other end is connected with the emitter of aerotron VT4, positive pole is connected with the emitter of aerotron VT5, the electric capacity C13 that negative pole is connected with the point of connection of resistance R19 with resistance R16, negative pole is connected with the negative pole of electric capacity C13, the electric capacity C14 that positive pole is connected with the base stage of aerotron VT5 and the base stage of aerotron VT6 simultaneously, N pole is connected with the positive pole of electric capacity C14, the diode D5 that P pole is connected with the collecting electrode of aerotron VT4 after electric capacity C12, one end is connected with the collecting electrode of aerotron VT6, the resistance R20 that the other end is connected with the point of connection of resistance R17 with resistance R14, and one end is connected with the emitter of aerotron VT6, the resistance R21 that the other end is connected with the collecting electrode of aerotron VT5 forms, wherein, the point of connection of resistance R14 and resistance R17 is connected to 12V power supply, the negative earth of electric capacity C13, the point of connection of resistance R14 and resistance R15 as this circuit input end and be connected with the signal output part of supersonic sensing device, the emitter of aerotron VT6 as this circuit mouth and be connected with the signal input part of time meter.
As preferably, described aerotron VT1, aerotron VT2, aerotron VT3, aerotron VT4, aerotron VT5 and aerotron VT6 are NPN type triode, and unidirectional thyristor VS1 is high speed thyristor, and the model of op amp P1 is LM324.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention can judge according to the distance of supersonic sensing device to vehicle and rear view of vehicle, then controller controls sparkling prompting device to complete the prompting to chaufeur by the data that supersonic sensing device sends, substantially increase chaufeur to rear space control, improve efficiency and safety that chaufeur parks cars.
(2) the present invention is provided with flashing light control circuit, can adjust according to the flicker frequency of supersonic sensing device feedack to light, make chaufeur can carry out handle to the spacing of rear view of vehicle and obstacle more intuitively to control, substantially increase the safety of storing cycle process.
(3) the present invention is provided with high-sensitivity ultrasonic acceptor circuit, greatly improve the sensitieness that super sonic receives, improve the safety in utilization of whole equipment, the prompting that can be good at avoiding receive delay to cause postpones, and has guided chaufeur to park cars more accurately.
(4) the present invention is provided with gain control circuit; can amplify the signal of ultrasonic transduter voluntarily; well avoid that the signal level of ultrasonic transduter is too low makes time meter misjudgment; substantially increase the accuracy of product; avoiding the vehicle collision of chaufeur because pointing out mistake to cause, better protecting the safety in storing cycle process.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is the circuit diagram of flashing light control circuit of the present invention.
Fig. 3 is the circuit diagram of high-sensitivity ultrasonic acceptor circuit of the present invention.
Fig. 4 is the circuit diagram of gain control circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, high sensitivity gain formula flash-lamp type underground parking reversing aid system, comprise controller, connect sparkling prompting device on the controller, the power supply be simultaneously connected with controller with sparkling prompting device, and formed by the supersonic sensing device that time meter is connected with this controller; Described sparkling prompting device is the flashing light control circuit being provided with flashtube, the super sonic receiving end place of supersonic sensing device is provided with high-sensitivity ultrasonic acceptor circuit, and is provided with gain control circuit on its signal output part.
Vehicle is when moveing backward, time meter is responsible for record supersonic sensing device and is sent and receive the hypracoustic time difference, and send signal according to the time difference to controller, controller will send the voltage signal of varying strength after receiving the signal that time meter sends to the signal input part of flashing light control circuit according to the intensity of signal, and flashing light control circuit is according to the flash rate of the signal strength adjustment sparkling prompting device of controller, thus can be good at the range difference reminding driver vehicle and rear barrier, substantially increase the parking safety of chaufeur.Its middle controller can select industrial computer, PLC, PC computer, panel computer etc.; Flashtube selects bolarious flashtube, to avoid the sight line of the flashtube luminescence rolling flower chaufeur of high brightness; Also be provided with the attention gatter of other colors in sparkling prompting device, when not having vehicle parking, this attention gatter is long bright, and chaufeur can be allowed to find room faster.
As shown in Figure 2, flashing light control circuit, by voltage transformer T1, is all arranged on inductance coil L1 and the inductance coil L2 on the former limit of voltage transformer T1, is arranged on the inductance coil L3 of the secondary of voltage transformer T1, voltage transformer T2, unidirectional thyristor VS1, flashtube EL1, aerotron VT1, relay K, diode D1, diode D2, light-emitting diode VD1, resistance R1, resistance R2, resistance R3, resistance R4, warning light EL2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 form.
During connection, the N pole of diode D1 is connected with the Same Name of Ends of the former limit inductance coil L1 of voltage transformer T1, P pole connects positive source, one end of resistance R1 is connected with the N pole of diode D1, the other end is connected with the base stage of aerotron VT1, one end of resistance R2 is connected with the base stage of aerotron VT1, the other end is connected with the non-same polarity of former limit inductance coil L2 of voltage transformer T1 and the Same Name of Ends of the secondary inductance coil L3 of voltage transformer T1 simultaneously, the negative pole of electric capacity C1 connects power cathode, positive pole is connected with the Same Name of Ends of the secondary inductance coil L3 of voltage transformer T1, the P pole of diode D2 is connected with the non-same polarity of the secondary inductance coil L3 of voltage transformer T1, N pole is connected with the anode of unidirectional thyristor VS1 after photoconductive cell RT1, the positive pole of electric capacity C2 is connected with the N pole of diode D2, negative pole is connected with the negative pole of electric capacity C1, the positive pole of electric capacity C3 is connected with the anode of unidirectional thyristor VS1, negative pole is connected with the control pole of unidirectional thyristor VS1 after resistance R4, one end of resistance R3 is connected with the negative pole of electric capacity C3, the other end is connected with the negative electrode of unidirectional thyristor VS1, the positive pole of electric capacity C4 is connected with the positive pole of electric capacity C3, negative pole is connected with the Same Name of Ends of the primary coil of voltage transformer T2, light-emitting diode VD1 is disposed adjacent with photoconductive cell RT1 and for irradiating bright resistance RT1, one end of warning light EL2 is connected with the N pole of diode D2 after the normally closed contact K-2 of relay K, the other end is connected with the negative electrode of unidirectional thyristor VS1, wherein, the collecting electrode of aerotron VT1 is connected with the non-same polarity of the former limit inductance coil L1 of voltage transformer T1, the emitter of aerotron VT1 is connected with the negative pole of electric capacity C1, the Same Name of Ends ground connection of the former limit inductance coil L2 of voltage transformer T1, the negative electrode of unidirectional thyristor VS1 is connected with the Same Name of Ends of the non-same polarity of voltage transformer T2 former limit inductance coil and the secondary inductance coil of voltage transformer T2 simultaneously, one end of relay K is connected with the N pole of light-emitting diode VD1, the other end of this relay K forms the signal input part of this circuit with the P pole of diode VD1 and is connected with controller, one end of flashtube EL1 is connected with the N pole of diode D2 after the open contact K-1 of relay K, its other end is connected with the negative electrode of unidirectional thyristor VS1, the trigger end of this flashtube EL1 is connected with the non-same polarity of voltage transformer T2 secondary inductance coil, the P pole of diode D1 forms the input end of this circuit with the negative pole of electric capacity C1 and is connected with power supply, power supply provides the input voltage of 12V to this circuit.
Before the voltage signal receiving controller, warning light EL2 conducting is long bright, do not park cars to point out chaufeur herein, and when vehicle backing Time Controller sends voltage signal, relay K obtains and electricly makes that its open contact K-1 is closed, normally closed contact K-2 disconnects, reaches the object of conducting flashtube EL1 disconnection warning light EL2.Aerotron VT1, voltage transformer T1 and electric capacity C1 form inductance of three-point oscillating circuit, boost and are charged to electric capacity C1 by vdc after rectification, and make it as the working power of flashtube EL1 through voltage transformer T1 and diode D2; Voltage through diode D2 charges to electric capacity C4 through photoconductive cell RT1 again, when the voltage on electric capacity C1 reach flashtube EL1 trigger end set out voltage time unidirectional thyristor VS1 conducting, electric capacity C1 discharges through voltage transformer T1, the secondary inductance coil of voltage transformer T2 is just induced high pressure, thus the flashtube EL1 Discharge illuminating that sets out; When electric capacity C2 discharge off, unidirectional thyristor VS1 loses conducting-state voltage thus turns off, and flashtube EL1 stops luminescence, so just completes the luminescence process of a flashtube.Repetition above-mentioned steps like this just completes the process of whole flash of light, and the flicker frequency of flashtube EL1 determines primarily of the resistance of photoconductive cell RT1, and the resistance of photoconductive cell RT1 is controlled by the luminous intensity of light-emitting diode VD1, and then make controller can well complete the control of flashtube EL1 glow frequency, the flicker of flashtube EL1 high-frequency is controlled at the nearlyer Time Controller of vehicle distances obstacle, better can attract the attention of reminding chaufeur, suitable distance should be stopped to make it better know.
As shown in Figure 3, high-sensitivity ultrasonic acceptor circuit by receptor BL, metal-oxide-semiconductor Q1, aerotron VT2, aerotron VT3, op amp P1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R40, resistance R41, resistance R42, resistance R43, diode D3, diode D4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C50, and electric capacity C51 forms.
During connection, the positive pole of electric capacity C5 is connected with one end of receptor BL, negative pole is connected with the grid of metal-oxide-semiconductor Q1 after resistance R4, the P pole of diode D3 is connected with the grid of metal-oxide-semiconductor Q1, N pole is connected with the other end of receptor BL, the P pole of diode D4 is connected with the N pole of diode D3, N pole is connected with the P pole of diode D3, resistance R5 and diode D4 is arranged in parallel, one end of resistance R6 is connected with the source electrode of metal-oxide-semiconductor Q1, the other end is connected with the P pole of diode D4, the positive pole of electric capacity C6 is connected with the source electrode of metal-oxide-semiconductor Q1, negative pole is connected with the collecting electrode of aerotron VT2 and the base stage of aerotron VT3 simultaneously, one end of resistance R7 is connected with the drain electrode of metal-oxide-semiconductor Q1, the other end is connected with the negative pole of electric capacity C6 after resistance R8, one end of resistance R9 is connected with the point of connection of resistance R8 with resistance R7, the other end is connected with the collecting electrode of aerotron VT3, the positive pole of electric capacity C8 is connected with the emitter of aerotron VT3, negative pole is connected with the base stage of aerotron VT2, one end of resistance R40 is connected with the positive pole of electric capacity C8, the other end is connected with the emitter of aerotron VT2, the positive pole of electric capacity C7 is connected with the collecting electrode of aerotron VT3, negative pole is connected with the positive input terminal of op amp P1, one end of resistance R41 is connected with the negative pole of electric capacity C7, the other end is connected with the positive pole of electric capacity C8, the negative pole of electric capacity C50 is connected with the positive pole of electric capacity C8, positive pole is connected with the negative input end of op amp P1 after resistance R42, between the negative input end that resistance R43 is serially connected in op amp P1 and mouth, the positive pole of electric capacity C9 is connected with the negative pole of electric capacity C7, negative pole is connected with the mouth of op amp P1, the positive pole of electric capacity C51 is connected with the mouth of op amp P1, wherein, the N pole of diode D3 is connected with the base stage of aerotron VT2, the grounded base of aerotron VT2, and the point of connection of resistance R7 and resistance R8 is connected to+5V power supply, the negative pole of electric capacity C51 as this circuit mouth and be connected with the input end of time meter.
During use, electric capacity C5, resistance R4, diode D3 and diode D4 form input protection circuit, can be good at the impact that protective circuit exempts from incoming signal, extend the service life of whole circuit; Metal-oxide-semiconductor Q1 and resistance R5, resistance R6 and resistance R7 are combined into galvo amplifier, the electric current of input can be amplified; And aerotron VT2 and aerotron VT3 forms two-stage voltage amplifier, the voltage of input is amplified; Input voltage after being exaggerated and received current export after the operational amplification circuit that op amp P1 forms, wherein resistance R42 is for controlling the receiving sensitivity of whole circuit, the resistance of different resistance can be used according to different demands, if desired often change its sensitivity and slide rheostat can also be used to replace resistance R42.Under normal conditions, the level exported through the negative pole of electric capacity C51 is high level, and when receiving ultrasonic signal, electric capacity C51 then output low level, the low level exported is obtained the rear time according to output signal by counting machine and calculates to obtain the time difference, so just can well complete whole hypracoustic detection process.
As shown in Figure 4, gain control circuit is by aerotron VT4, and aerotron VT5, aerotron VT6, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, electric capacity C12, electric capacity C13, electric capacity C14, diode D5 form.
During connection, one end of resistance R14 is connected with the base stage of aerotron VT4 after resistance R15, the other end is connected with the collecting electrode of aerotron VT4 after resistance R17, one end of resistance R16 is connected with the point of connection of resistance R15 with resistance R14, the other end is connected with the emitter of aerotron VT5 after resistance R19, one end of resistance R18 is connected with the emitter of aerotron VT5, the other end is connected with the emitter of aerotron VT4, the positive pole of electric capacity C13 is connected with the emitter of aerotron VT5, negative pole is connected with the point of connection of resistance R19 with resistance R16, the negative pole of electric capacity C14 is connected with the negative pole of electric capacity C13, positive pole is connected with the base stage of aerotron VT5 and the base stage of aerotron VT6 simultaneously, the N pole of diode D5 is connected with the positive pole of electric capacity C14, P pole is connected with the collecting electrode of aerotron VT4 after electric capacity C12, one end of resistance R20 is connected with the collecting electrode of aerotron VT6, the other end is connected with the point of connection of resistance R17 with resistance R14, one end of resistance R21 is connected with the emitter of aerotron VT6, the other end is connected with the collecting electrode of aerotron VT5, wherein, the point of connection of resistance R14 and resistance R17 is connected to 12V power supply, the negative earth of electric capacity C13, the point of connection of resistance R14 and resistance R15 as this circuit input end and be connected with the signal output part of supersonic sensing device, the emitter of aerotron VT6 as this circuit mouth and be connected with the signal input part of time meter.
Aerotron VT4, resistance R14, resistance R15, resistance R16 and resistance R17 form one-level amplifying circuit jointly, amplify the signal of input; Aerotron VT5, electric capacity C12, electric capacity C13 and resistance R19 form detecter jointly, amplifying signal is detected again and filters, well avoid hash after amplifying and affect the normal work of circuit, avoid the impact that follow-up timer operation receives clutter; Finally, aerotron VT6, resistance R20, resistance R21 and electric capacity C14 form second amplifying circuit, the signal after filtering is amplified again, so that follow-up time meter identifies, further increases the identification of signal.
Described aerotron VT1, aerotron VT2, aerotron VT3, aerotron VT4, aerotron VT5 and aerotron VT6 are NPN type triode, and unidirectional thyristor VS1 is high speed thyristor, and the model of op amp P1 is LM324.
As mentioned above, just well the present invention can be realized.
Claims (5)
1. high sensitivity gain formula flash-lamp type underground parking reversing aid system, it is characterized in that: comprise controller, connect sparkling prompting device on the controller, the power supply be simultaneously connected with controller with sparkling prompting device, and formed by the supersonic sensing device that time meter is connected with this controller; Described sparkling prompting device is the flashing light control circuit being provided with flashtube, the super sonic receiving end place of supersonic sensing device is provided with high-sensitivity ultrasonic acceptor circuit, and is provided with gain control circuit on its signal output part.
2. high sensitivity gain formula flash-lamp type underground parking reversing aid system according to claim 1, it is characterized in that: described gain control circuit is by aerotron VT4, aerotron VT5, aerotron VT6, one end is connected with the base stage of aerotron VT4 after resistance R15, the resistance R14 that the other end is connected with the collecting electrode of aerotron VT4 after resistance R17, one end is connected with the point of connection of resistance R15 with resistance R14, the resistance R16 that the other end is connected with the emitter of aerotron VT5 after resistance R19, one end is connected with the emitter of aerotron VT5, the resistance R18 that the other end is connected with the emitter of aerotron VT4, positive pole is connected with the emitter of aerotron VT5, the electric capacity C13 that negative pole is connected with the point of connection of resistance R19 with resistance R16, negative pole is connected with the negative pole of electric capacity C13, the electric capacity C14 that positive pole is connected with the base stage of aerotron VT5 and the base stage of aerotron VT6 simultaneously, N pole is connected with the positive pole of electric capacity C14, the diode D5 that P pole is connected with the collecting electrode of aerotron VT4 after electric capacity C12, one end is connected with the collecting electrode of aerotron VT6, the resistance R20 that the other end is connected with the point of connection of resistance R17 with resistance R14, and one end is connected with the emitter of aerotron VT6, the resistance R21 that the other end is connected with the collecting electrode of aerotron VT5 forms, wherein, the point of connection of resistance R14 and resistance R17 is connected to 12V power supply, the negative earth of electric capacity C13, the point of connection of resistance R14 and resistance R15 as this circuit input end and be connected with the signal output part of supersonic sensing device, the emitter of aerotron VT6 as this circuit mouth and be connected with the signal input part of time meter.
3. high sensitivity gain formula flash-lamp type underground parking reversing aid system according to claim 2, it is characterized in that: described high-sensitivity ultrasonic acceptor circuit is by receptor BL, metal-oxide-semiconductor Q1, aerotron VT2, aerotron VT3, op amp P1, positive pole is connected with one end of receptor BL, the electric capacity C5 that negative pole is connected with the grid of metal-oxide-semiconductor Q1 after resistance R4, P pole is connected with the grid of metal-oxide-semiconductor Q1, the diode D3 that N pole is connected with the other end of receptor BL, P pole is connected with the N pole of diode D3, the diode D4 that N pole is connected with the P pole of diode D3, the resistance R5 be arranged in parallel with diode D4, one end is connected with the source electrode of metal-oxide-semiconductor Q1, the resistance R6 that the other end is connected with the P pole of diode D4, positive pole is connected with the source electrode of metal-oxide-semiconductor Q1, the electric capacity C6 that negative pole is connected with the collecting electrode of aerotron VT2 and the base stage of aerotron VT3 simultaneously, one end is connected with the drain electrode of metal-oxide-semiconductor Q1, the resistance R7 that the other end is connected with the negative pole of electric capacity C6 after resistance R8, one end is connected with the point of connection of resistance R8 with resistance R7, the resistance R9 that the other end is connected with the collecting electrode of aerotron VT3, positive pole is connected with the emitter of aerotron VT3, the electric capacity C8 that negative pole is connected with the base stage of aerotron VT2, one end is connected with the positive pole of electric capacity C8, the resistance R40 that the other end is connected with the emitter of aerotron VT2, positive pole is connected with the collecting electrode of aerotron VT3, the electric capacity C7 that negative pole is connected with the positive input terminal of op amp P1, one end is connected with the negative pole of electric capacity C7, the resistance R41 that the other end is connected with the positive pole of electric capacity C8, negative pole is connected with the positive pole of electric capacity C8, the electric capacity C50 that positive pole is connected with the negative input end of op amp P1 after resistance R42, be serially connected in the resistance R43 between the negative input end of op amp P1 and mouth, positive pole is connected with the negative pole of electric capacity C7, the electric capacity C9 that negative pole is connected with the mouth of op amp P1, and the electric capacity C51 that positive pole is connected with the mouth of op amp P1 forms, wherein, the N pole of diode D3 is connected with the base stage of aerotron VT2, the grounded base of aerotron VT2, and the point of connection of resistance R7 and resistance R8 is connected to+5V power supply, the negative pole of electric capacity C51 as this circuit mouth and be connected with the input end of time meter.
4. high sensitivity gain formula flash-lamp type underground parking reversing aid system according to claim 3, it is characterized in that: described flashing light control circuit is by voltage transformer T1, all be arranged on inductance coil L1 and the inductance coil L2 on the former limit of voltage transformer T1, be arranged on the inductance coil L3 of the secondary of voltage transformer T1, voltage transformer T2, unidirectional thyristor VS1, flashtube EL1, aerotron VT1, relay K, N pole is connected with the Same Name of Ends of the former limit inductance coil L1 of voltage transformer T1, P pole meets the diode D1 of positive source, one end is connected with the N pole of diode D1, the resistance R1 that the other end is connected with the base stage of aerotron VT1, one end is connected with the base stage of aerotron VT1, the resistance R2 that the other end is connected with the non-same polarity of former limit inductance coil L2 of voltage transformer T1 and the Same Name of Ends of the secondary inductance coil L3 of voltage transformer T1 simultaneously, negative pole connects power cathode, the electric capacity C1 that positive pole is connected with the Same Name of Ends of the secondary inductance coil L3 of voltage transformer T1, P pole is connected with the non-same polarity of the secondary inductance coil L3 of voltage transformer T1, the diode D2 that N pole is connected with the anode of unidirectional thyristor VS1 after photoconductive cell RT1, positive pole is connected with the N pole of diode D2, the electric capacity C2 that negative pole is connected with the negative pole of electric capacity C1, positive pole is connected with the anode of unidirectional thyristor VS1, the electric capacity C3 that negative pole is connected with the control pole of unidirectional thyristor VS1 after resistance R4, one end is connected with the negative pole of electric capacity C3, the resistance R3 that the other end is connected with the negative electrode of unidirectional thyristor VS1, positive pole is connected with the positive pole of electric capacity C3, the electric capacity C4 that negative pole is connected with the Same Name of Ends of the primary coil of voltage transformer T2, be disposed adjacent with photoconductive cell RT1 and light-emitting diode VD1 for irradiating bright resistance RT1, and one end is connected with the N pole of diode D2 after the normally closed contact K-2 of relay K, the warning light EL2 that the other end is connected with the negative electrode of unidirectional thyristor VS1 forms, wherein, the collecting electrode of aerotron VT1 is connected with the non-same polarity of the former limit inductance coil L1 of voltage transformer T1, the emitter of aerotron VT1 is connected with the negative pole of electric capacity C1, the Same Name of Ends ground connection of the former limit inductance coil L2 of voltage transformer T1, the negative electrode of unidirectional thyristor VS1 is connected with the Same Name of Ends of the non-same polarity of voltage transformer T2 former limit inductance coil and the secondary inductance coil of voltage transformer T2 simultaneously, one end of relay K is connected with the N pole of light-emitting diode VD1, the other end of this relay K forms the signal input part of this circuit with the P pole of diode VD1 and is connected with controller, one end of flashtube EL1 is connected with the N pole of diode D2 after the open contact K-1 of relay K, its other end is connected with the negative electrode of unidirectional thyristor VS1, the trigger end of this flashtube EL1 is connected with the non-same polarity of voltage transformer T2 secondary inductance coil, the P pole of diode D1 forms the input end of this circuit with the negative pole of electric capacity C1 and is connected with power supply, power supply provides the input voltage of 12V to this circuit.
5. high sensitivity gain formula flash-lamp type underground parking reversing aid system according to claim 4, it is characterized in that: described aerotron VT1, aerotron VT2, aerotron VT3, aerotron VT4, aerotron VT5 and aerotron VT6 are NPN type triode, unidirectional thyristor VS1 is high speed thyristor, and the model of op amp P1 is LM324.
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| CN201510922823.4A CN105522964A (en) | 2015-12-11 | 2015-12-11 | High-sensitivity gain type flashing reversing aid system for underground parking garage |
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| CN201510922823.4A CN105522964A (en) | 2015-12-11 | 2015-12-11 | High-sensitivity gain type flashing reversing aid system for underground parking garage |
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