A kind of Taximeter electric control starting part
Technical field
The invention belongs to automobile technical field, relate to a kind of Taximeter electric control starting part, be used for controlling automatically the startup of taximeter.
Background technology
The fee register activation member of using on the taxi at present is the empty wagons direction board mostly; Be manual operation, far away excessively because of empty wagons direction board placement location apart from the taximan, operate the driver at every turn and need move; Bring very big inconvenience to the driver, and strengthened working strength.
Afterwards; People have designed diversified taximeter automatic starting device and have overcome this defective; Like Chinese patent 200420022850.3 " a kind of taximeter automatic starting device " proposed; Power supply links in its control circuit board and the car, and two groups and above infrared emission tube and infrared receiver are connected to the signal input terminal of control circuit board respectively through connecting wire, and are installed in the both sides of passenger-seat respectively; The signal output terminal of control circuit board connects with the switch of taxi empty wagons pilot lamp through lead, and time delay resistance is housed in control circuit board.After the passenger took a seat, passenger's body stopped the light beam that infrared emission tube sends to infrared receiver, triggered empty wagons pilot lamp automatic delay function, started fee register joining with it simultaneously automatically.But still exist some problems: mainly be that the accuracy that it starts automatically and fee register is valuated is not enough; Because of liking different sitting posture (such as leaning forward) etc., factors such as passenger's height is fat or thin and some passenger be easy to stop that incessantly infrared emission tube sends light beam to infrared receiver; And get off (such as going shopping) when busy as the passenger sometimes, this moment, fee register will be closed, the valuation zero clearing; midway temporarily Cause valuation inaccurate, bring very big trouble for the taxi driver.
Summary of the invention
The objective of the invention is to have the problems referred to above to existing technology, proposed a kind of fee register that can conveniently start and to have made the fee register Taximeter electric control starting part accurately of valuating again.
The object of the invention can be realized through following technical proposal: a kind of Taximeter electric control starting part; Comprise display control unit and be fixed on the bearing on the driver behavior platform in the car; Bearing is provided with rotating shaft; Above-mentioned display control unit is fixedly connected with rotating shaft; It is characterized in that: also be provided with driving mechanism on the described bearing, be connected with gear train between driving mechanism and the rotating shaft and can drive above-mentioned rotating shaft and rotate, also be provided with the position-limit mechanism that can limit the rotating shaft slewing area between rotating shaft and the bearing through gear train; Described position-limit mechanism be provided with can control above-mentioned display control unit work whether open locking mechanism; This Taximeter electric control starting part also comprises operating switch, and described operating switch is connected with driving mechanism and constituted the closed-loop path with power supply on vehicle, above-mentioned open locking mechanism connect with display control unit and with power supply on vehicle formation closed-loop path.
Power supply on vehicle is that driving mechanism and display control unit etc. provide power supply.Open display control unit when needs and valuate when showing, start driving mechanism, drive rotating shaft through gear train and rotate, and then drive the display control unit upset and open through operating switch.The rotating shaft slewing area receives spacing mechanics limit; After the limited mechanics limit of rotating shaft, just no longer be rotated further; Simultaneously on the position-limit mechanism open locking mechanism open; Display control unit startup work shows valuation, and this moment, the valuation of display control unit showed towards driver and passenger-seat direction, made things convenient for driver and passenger to check.When needs are closed display control unit, drive rotating shaft toward counter-rotation through operating switch controlling and driving mechanism, open locking mechanism close, display control unit quits work.
In above-mentioned a kind of Taximeter electric control starting part, described display control unit comprises control circuit board, display screen housing and is fixed on the display screen on the display screen housing that described display screen housing is connected in the rotating shaft.The display surface of display screen is oval, and control circuit board is installed in the display screen back.
In above-mentioned a kind of Taximeter electric control starting part, described driving mechanism is a direct current generator.Three gears (positive and negative, stop) are arranged, through the positive and negative rotating that fetches the control direct current generator of DC electrode, through stopping operating of direct current generator controlled in the outage of direct current generator on the operating switch.Operating switch is arranged on from the closer place of driver's seat; The driver can move like this, can get at operating switch and operate on it positive button on driver's push switch as long as stretch the assistant a little; DC electrode is for just connecing at this moment, and direct current generator just changes; Otherwise, press anti-button, DC electrode is reversal connection, the direct current generator counter-rotating; Press the button that stops, the direct current generator outage, stall is not worked, and this moment, display screen also stopped operating.
In above-mentioned a kind of Taximeter electric control starting part, described gear train comprises belt and is arranged on the belt grooves in the rotating shaft.Have belt grooves in the rotating shaft, belt one end is set in the rotating shaft through belt grooves, and the other end is connected with motor shaft.
In above-mentioned a kind of Taximeter electric control starting part, described bearing is for having cavity structure, and above-mentioned direct current generator is fixed on the base plate in the cavity.
In above-mentioned a kind of Taximeter electric control starting part; Described position-limit mechanism comprises with the vertical limited block that is connected of rotating shaft and is opened in the stopper slot that matches with above-mentioned limited block on the bearing that described limited block can move around in stopper slot under the drive of rotating shaft.Stopper slot is positioned on the left side wall inside surface of bearing cavity, and the size of stopper slot has determined the size of the upset amplitude of display screen.
In above-mentioned a kind of Taximeter electric control starting part, described open locking mechanism be pressure transducer, and this pressure transducer is arranged on the preceding barrier of stopper slot.Direct current generator just changes; Display screen is along with rotating shaft is just changeed, and this moment, limited block moved on the preceding barrier of stopper slot, and limited block is limited no longer to be rotated further; This moment, display screen was maximum opening; Limited block touching simultaneously and squeeze pressure sensor, pressure transducer has detected pressure signal and trigger control circuit plate startup work, and display screen will show valuation; When direct current generator counter-rotating, display screen is along with rotating shaft is reversed, limited block separating pressure sensor; Direction toward away from pressure transducer moves, and this moment, pressure transducer detected less than pressure signal, and control circuit board is closed work; Display screen is also closed work, no longer shows valuation.
In above-mentioned a kind of Taximeter electric control starting part, described open locking mechanism be pushbutton switch with auto-reset function, and this switch is arranged on the preceding barrier of stopper slot.This pushbutton switch normality is an open mode, and when limited block contact squeeze buttons switch, this pushbutton switch is closed, display control unit startup work; When limited block broke away from this pushbutton switch, this pushbutton switch can automatically reset and be open mode, and display control unit cuts out work.
In above-mentioned a kind of Taximeter electric control starting part, be installed with bearing on the described bearing, bearing is connected with rotating shaft through bearing.
Compared with prior art; This Taximeter electric control starting part adopts operating switch to control the rotating of direct current generator and stop and then control display screen rotating closed closed work and show and valuate with opening; And its operating switch is arranged near the driver's seat, and the driver needn't move, and only need stretch out one's hand a little can get at operating switch and carry out whether the demonstration of this display screen is operated; Very convenient, and save time.This Taximeter electric control starting part is provided with position-limit mechanism simultaneously, can prepare to limit the rotation aperture of display screen, and with position-limit mechanism on open the locking mechanism cooperating, the valuation of control display screen preparatively shows and closes.This Taximeter electric control starting part is simple in structure, and is easy to operate.
Description of drawings
Fig. 1 is a stereographic map of the present invention.
Fig. 2 is a partial sectional view of the present invention.
Fig. 3 is a schematic block circuit diagram of the present invention.
Among the figure, 1, display control unit; 1a, display screen; 1b, display screen housing; 1c, control circuit board; 2, bearing; 2a, bearing; 3, rotating shaft; 4, direct current generator; 5, belt; 6, belt grooves; 7, stopper slot; 7a, preceding barrier; 7b, back barrier; 8, limited block; 9, open locking mechanism; 10, operating switch; 11, electric machine support; 12, wire harness hole; 13, motor harness; 14, power supply on vehicle.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As illustrated in fig. 1 and 2; This Taximeter electric control starting part comprises display control unit 1 and is fixed on the bearing 2 on the driver behavior platform in the car; Display control unit 1 comprises control circuit board 1c, display screen housing 1b and is fixed on the display screen 1a on the display screen housing 1b that control circuit board 1c is installed on the back of display screen 1a.Bearing 2 is provided with rotating shaft 3, is installed with bearing 2a in the bearing 2 and passes through bearing 2a to be connected with rotating shaft 3, and display screen housing 1b is fixed in the rotating shaft 3.Bearing 2 is provided with direct current generator 4 for having cavity structure in cavity, direct current generator 4 is fixed on the cavity floor through electric machine support 11.Have belt grooves 6 in the rotating shaft 3, the motor shaft on the direct current generator 4 is connected with rotating shaft 3 with belt grooves 6 through belt 5.Have stopper slot 7 on the left side wall inside surface of bearing 2 inner chambers, be fixedly connected with the limited block 5 that is complementary with stopper slot 7 in the rotating shaft 3, this limited block 5 can move around between preceding barrier 7a in stopper slot 7 under the drive of rotating shaft 3 and back barrier 7b.Before the stopper slot 7 barrier 7a surfaces be provided with open locking mechanism 9, open locking mechanism 9 be connected in series with display control unit 1 and constitute closed circuits with power supply on vehicle 14, as shown in Figure 3.Present embodiment open locking mechanism 9 be pressure transducer.Have a wire harness hole 12 on the front bulkhead of bearing 2 cavitys; Wire harness hole 12 is equipped with motor harness 13; Motor harness 13 1 ends are connected with direct current generator 4; Near the other end operating switch 10 with being arranged on driver's seat is connected, and operating switch 10, direct current generator 4 and power supply on vehicle 14 formation closed-loop paths are as shown in Figure 3.
The principle of work of this Taximeter electric control starting part is following:
Display screen 1a normality is not expand into maximum opening, and promptly this moment, display screen 1a was not activated work.After the passenger took, the driver can press " just " shelves through operating switch 10 on hand, and direct current generator 4 is just changeing; Driving display screen 1a just changes, and when limited block 5 turns on the preceding barrier 7a of stopper slot 7 under the drive of rotating shaft 3, is limited to be rotated further; Driver's push switch 10 " stopping " keeps off at this moment; Direct current generator 4 stops operating, and the pressure transducer that while 5 pairs of limited blocks are arranged on the stopper slot 7 preceding barrier 7a imposes a pressure, and pressure transducer detects pressure signal; And then trigger control circuit plate 1c work, display screen 1a starts the demonstration valuation.After the passenger got off, the driver pressed the negation retaining on the operating switch 10 on hand, direct current generator 4 counter-rotatings; Display screen 1a is rotated down closure, and limited block 5 is away from pressure transducer at this moment, and pressure transducer detects less than pressure signal; Control circuit board 1c quits work; Display screen 1a quits work no longer and to show valuation, and " stopping " button of pressing on the operating switch 10 on hand of driver can let direct current generator 4 stop operating simultaneously, to wait for that opening display screen 1a valuation after next passenger takes again shows.
The locking mechanism 9 that opens in the present embodiment also can be for having the pushbutton switch of auto-reset function.This pushbutton switch normality is an open mode, and when limited block 5 contact squeeze buttons switches, this pushbutton switch is closed, display control unit 1 startup work; When limited block 5 broke away from this pushbutton switch, this pushbutton switch can automatically reset and be open mode, and display control unit 1 promptly quits work.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used display control unit 1, display screen 1a, display screen housing 1b, control circuit board 1c, bearing 2, bearing 2a, rotating shaft 3, direct current generator 4, belt 5, belt grooves 6, stopper slot 7, preceding barrier 7a, limited block 5, Qi locking mechanism 9, operating switch 10, electric machine support 11, wire harness hole 12, motor harness 13, power supply on vehicle 14 or the like term morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.