CN1629443A - Non-pressure type clamp-proof anti-squeeze safety device for electric door and window - Google Patents
Non-pressure type clamp-proof anti-squeeze safety device for electric door and window Download PDFInfo
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- CN1629443A CN1629443A CN 200310121275 CN200310121275A CN1629443A CN 1629443 A CN1629443 A CN 1629443A CN 200310121275 CN200310121275 CN 200310121275 CN 200310121275 A CN200310121275 A CN 200310121275A CN 1629443 A CN1629443 A CN 1629443A
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Abstract
The invention discloses a non-pressure type clamp-proof anti-squeeze safety device for electric door and window which comprises an electrical supply processing unit, a signal processing unit, a capacitance sensing unit, an output control unit and a driving device, wherein the electrical supply processing unit is connected with the signal processing unit, the capacitance sensing unit is also connected with the signal processing unit, the signal processing unit is connected with the output control unit, the output control unit is connected with the driving device.
Description
Technical field
The present invention relates to a kind of power window anti-pinch safety device, particularly a kind ofly utilize capacitive sensing to produce signal and come the power window in the control operation promptly to stop action, reverse movement or produce the photoelectricity caution signal, do not have pressure type anti-pinch safety device to prevent the power window that human body or object are crushed by door and window accidentally with single chip microprocessor.
Background technology
Automobile is the most general and vehicles easily at present; for ensureing user's safety; existing various safety precautions and device; for example: swelling gasbag device, reversing anticollision safety device, warn or admonish the world safety device, following distance safety holding device, workshop open and-shut mode annunciator or the like of hypervelocity are developed application; yet the safety device of relevant power windows aspect then seldom, so that often have passenger or children to take place because of the contingency that careless or ignorant are crushed in vehicle window rising opening and closing operations.
The anti-pinch security system is equipped with in the original-pack car of the senior import of minority,, but what it used is contact-type pressure-sensing mode, in vehicle window rises, be hampered and produce signal output when force motor moment of torsion or electric current change, this signal is after micro computer is handled, and emergent control vehicle window CD-ROM drive motor stops or reversing.In announcing No. 187491 (applying for No. 81205203) patent gazette, Taiwan disclosed the ON-OFF control circuit of power windows, it is except that can selecting to control each vehicle window automatically, in vehicle window is windowed action during as bar, can cut off the electricity supply automatically, make vehicle window stop action immediately, and reach the purpose of safe anti-pinch.This control circuit utilizes bar that the action of vehicle window is caused impedance buffer brake and when the torsion of motor being changed cause electric current to rise, just can start safety circuit to cut off the electricity supply, so still belong to contact-type pressure-sensing formula just.The safety device of similar this type of principle also can be used for elevator door and iron rolling door etc., and is often accurate inadequately or suitable inadequately because of the setting of induction pressure because this type of security system utilizes contact-type pressure-sensing mode to come the start-up control circuit, and still has the possibility that crushes the people.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of precision, willing power window do not have pressure type anti-pinch safety device.
The technical solution used in the present invention is: a kind of power window does not have pressure type anti-pinch safety device, described power window does not have pressure type anti-pinch safety device and includes power supply processing unit, signal processing unit, capacitor sensing unit, output control unit and drive unit, described power supply processing unit connects described signal processing unit, described capacitor sensing unit connects described signal processing unit, described signal processing unit connects described output control unit, and described output control unit connects described drive unit.
With respect to prior art, have following advantage according to technical scheme provided by the invention:
This device is made of a modularity element, can be fixed in the inside and outside any suitable position of door and window and be connected to door and window and open and close with switch, door and window drive motor and power positive cathode with lead, the self-capacitance sensing element extends an inductive means to the suitable position of door and window can finish assembling, so new old vehicle, no matter any label, vehicle, all can install and use, quite convenient.The inductive means of this device can be wire, planar or point-like member, uses the power window that not only is confined to automobile, and the power window of elevator door, building, automatic door, rolling door and other similar door and window are all applicable.
Safe anti-pinch control circuit of the present invention can use not influencing original manipulating under the custom, in case human body or object are arranged near to or in contact with when the capacitor sensing unit, can be at no pressure-sensing to this human body or object, safety device just starts safety control circuit immediately and orders about this door and window reaction action, making the vehicle window instantly changing in closing is breakdown action, therefore can prevent effectively that human body or object from being pressed from both sides.In addition, this safety device simple structure can be easy to distribution with the control circuit modularity, is a kind of no pressure anti-pinch safety device that really meets safety requirements, can use for various vehicles.
Since capacitor sensing unit of the present invention be utilize human body or electric capacity that thing has to the variation of the capacitance that influence causes that sets electric capacity in the circuit with the start-up control circuit, belong to non-pressure sensing mode, therefore not have because working pressure sensing mode set pressure accurate inadequately or inappropriate may cause vehicle window to crush or pinch the accident generation of human body or object.
Description of drawings
Fig. 1 is an external structure schematic diagram of the present invention;
Fig. 2 is applied to the wiring diagram of vehicle window for the present invention;
Fig. 3 is an action control flow chart of the present invention;
Fig. 4 is the circuit diagram of the embodiment of the invention;
Action control flow chart when Fig. 5 is applied to power windows for the present invention.
The specific embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1 and Figure 2, the present invention constitutes a modular component with main control circuit to pack in the control box 1, and control box 1 can be fixed in the car door with screw etc., capacitor sensing unit 2 is to draw the outside with lead in this embodiment, and other has three pairs of leads 9,9 ', 10,10 ', 11,11 ' lead is drawn the outside from control box 1, connect window opening and closing CD-ROM drive motor 3 respectively, each both positive and negative polarity of switch 4 and power supply, switch 4 are the push switch that former power windows opens and closes usefulness, keep normally open usually.The sense terminals of capacitor sensing unit 2 connects the window edge 8 that a wire inductive means 5 that extends is placed in vehicle window in an embodiment, to increase induction region.
Fig. 3 represents the action control flow chart of this device, the power supply processing unit, and signal processing unit and output control unit constitute main control circuit.The power supply processing unit, in order to after power supply step-down in addition, the voltage stabilizing as the power supply of circuit; Signal processing unit, in order to accepting power supply after the power supply processing unit processes starting internal circuit, and when receiving signal from capacitor sensing unit, utilize formula with in addition comparison, computing of signal, editor judges and output signal to output control unit; Capacitor sensing unit in order to human body or the object of no pressure type sensing near to or in contact with the inductive means that arrives capacitor sensing unit, and produces a signal input signal processing unit; Output control unit in order to accept starting internal circuit from the signal of signal processing unit, switches the flow direction of transporting to the electric current of power window drive unit from power supply with control; Drive unit, be subjected to the control of output control unit and produce be rotated in the forward, counter-rotating or rectilinear motion, be driven thing and make corresponding action to drive power window or other.Power Vcc after the step-down of power supply processing unit, filtering, voltage stabilizing etc. are handled, is supplied with the signal processing unit utilization earlier, and signal processing unit is made of single-chip or microprocessor.The break-make of signal processing circuit unit is by switch 4 controls.Signal processing unit connects capacitor sensing unit, in order to the detecting close contact or touch the human body or the object of the inductive means 5 of this capacitor sensing unit.When causing its capacitance variation, human body or object close contact or the inductive means 5 that touches this capacitive sensing unit can export a signal to signal processing unit, signal processing unit is about to this signal and is handled back output one and control signal to output control unit, output control unit starts and makes the inner switch element two-way contact that is made of relay give motor 3 with the output backward current, motor 3 promptly is transformed to counter-rotating by former being rotated in the forward, and the vehicle window 7 of carrying out closing motion of rising is stopped immediately and transfer to the breakdown action that descends and make the vehicle window segment distance that descends, or till vehicle window 7 drops to end motor 3 and stops, to prevent unexpected generation the such as tong.
As shown in Figure 3, Figure 4, the stabilizator U1 of dc source Vcc in the power supply processing unit and filter condenser C1 with the function of discharging and recharging, C2 handles and becomes stable voltage Vdd, and maintains institute and decide in the error, for input signal processing unit and capacitor sensing unit use.Signal processing unit comprises microprocessor U2, by capacitor C 3, and C4 resistance R 3, R4, R5 forms the simple oscillation device.This signal processing unit exports output control unit in order to the signal of self-capacitance sensing cell in future to after being handled, so that control its circuit.Microprocessor U2 also can adopt other FPGA editing machines to replace.
Capacitor sensing unit is a kind of no pressure sensitive unit, move along with the variation of capacitance, capacitor sensing unit comprises capacitive sensing device U3, be used for adjusting inductor U3 sensitivity adjustment element J1 and for increasing the inductive means 5 that induction zone extends, inductive means 5 can form wire or tabular (planar) or point-like, looks purpose and selects for use.Capacitor sensing unit can detect human body or whether object touches or near inductive means 5, is handled when sensing that the someone contacts or can producing a signal input signal processing unit 2 during near inductive means 5.In other purposes and purpose, inductive means 5 can merge into a single whole with inductor U3 for the part of inductor U3.
Output control unit moves unit with the flow direction of control output current for accepting signal from signal processing unit, comprises the resistance R 1 of signal input part, R2, and so that triode Q1 to be provided, Q2 bias voltage position standard makes triode produce the switch motion of current switching; Relay K 1, K2 accepts from microprocessor U2 and through triode Q1, the signal of Q2 control and switch the contact S1 that transports to the electric current of motor 3 from power supply, S2; Diode D1, D3 is connected on contact S1, and the input relay K 1 of S2 is between the K2, in order to slow down relay K 1, the pulsation that K2 produces when contact switches; Diode D2, D4 are connected on relay K 1, and the positive and negative two ends of K2 are used for preventing backward current with protective relay K1, the coil of K2.Relay K 1, the contact S1 of K2 control, S2 is connected to a point usually and supplies with forward current to car window switch and close with motor 3, and therefore motor 3 can just change; But when capacitor sensing unit produces signal input signal processing unit, relay K 1, K2 is start and make contact jump to the b point, and supplies with reversing the current to motor 3, therefore motor 3 can reverse.Motor 3 is forward and reverse electric current and drive window lifting and open and close with row therefore.More than constitute the circuit that the present invention does not have pressure capacitor sensing and detecting type door and window anti-pinch safety device.
The safety device can be widely used in the safe iron rolling door of the safety door, dwelling house, factory, shop etc. of automatic door, elevator as the shop, or other power window, and these door and windows are not limited to open and close type up and down, and left and right sides open and close type is suitable equally.In the time of will being applied to use elevator door, the iron rolling door of alternating current based on the safe anti-jamming device of this structural principle, as long as use the power Vcc in the flow process of Fig. 3 instead general 110V or 220V household electricity commonly used, and with this AC power earlier after step-down and rectifying and wave-filtering become direct current, use in the input control circuit.Drive the drive unit of door and window or other similar device action, except motor, also can be electromagnet, electromagnetic valve or other driving elements are decided on purposes and purpose.Purposes looked by drive units such as said motor and purpose also can change by same replacing as acousto-optic warning devices such as voice output, buzzer, electric bell and light by output control unit control, or with the drive unit in parallel or series connection use of acousto-optic warning device therewith, still can send the acousto-optic warning signal outward to reach mechanical action, further safe effect is more arranged.
In the above-described embodiments, capacitor sensing unit is to separate with main control circuit and establish, but also can be integrated with governor circuit and establish, and decides on the situation of installation material.Inductive means 5 look object need inductions regional extent and can adopt tabular, wire or point-like to constitute, and draw the outside of the main induction device of capacitor sensing unit, but also can be combined into one with capacitor sensing unit.Inductive means 5 surfaces are insulating layer preferably, but it is also passable not add insulating layer.This inductive means 5 can directly attach or be installed on the object of mounting object, also can with this object moulding one.In addition, the induced signal from a plurality of door and windows or object preferably can be monitored and handle to signal processing unit simultaneously.
Use of the present utility model is as follows:
Safety device of the present invention is applicable to the on-off action flow chart of automotive window in Fig. 5 presentation graphs 4.During the beginning of action, if press switch 4 when windowing the direction action downward, motor 3 promptly drives vehicle window 7 and moves down, and this moment is the same with being operating as at ordinary times, if continue push switch 4, then motor 3 continues to drive the vehicle windows declines; But, if not, when promptly stopping push switch 4, motor 3 is because of having the overcurrent protection effect to prevent mechanical breakdown and to stop operating that it is motionless that vehicle window 7 promptly stays in original position.Continue in the down maneuver at vehicle window 7; if when the direction of switch 4 changed course pass windows not being pushed; vehicle window 7 is when dropping to minimum fully open position, or when stopping push switch 4, motor 3 promptly plays the overcurrent protection effect of control circuit and shuts down and return back to initial state.In the step that vehicle window is just descending, if hand one leaves switch when promptly not continuing push switch 4, motor 3 promptly shuts down, the position that is reached before vehicle window 7 promptly rests on, and return back to initial state.
When the action beginning; if not pressing switch 4 to the direction of windowing; but when the direction that the pass window promptly makes progress was operated, motor 3 promptly drove vehicle window 7 and moves to the direction of shangguan window, at this moment; as continue push switch 4; motor 3 continues to drive vehicle windows and rises, still, if when not continuing push switch 4; motor 3 is because of having the overcurrent protection effect to prevent mechanical breakdown and to stop operating, so be returned to former initial state.
Just continue to rise and close in the window action at vehicle window, if any human body or object near or touch the inductive means 5 of capacitor sensing unit 2 or sensing area and when starting the action of anti-pinch safety device, the action that the safety device control circuit of motor 3 control vehicle window 7 closes window by rising is changed into reverse promptly to the action of dropping window, and lasting this action, when vehicle window 7 dropped to minimum point vehicle window fully open position, motor 3 just shut down automatically.If in vehicle window 7 rising closing motions, sensing area there is no and sensed human body or object when entering this district, and the anti-pinch safety device promptly is failure to actuate, at this moment, unless switch 4 is reverse, promptly push to the direction of windowing; Rise when motor 3 continues to drive vehicle windows 7, and rise to peak at vehicle window 7, promptly during the position of vehicle window complete shut-down, motor 3 shuts down automatically via the overcurrent protection effect, and simultaneously, the anti-pinch safety device is replied original induction holding state.
Do not produce in anti-pinch induction action, and vehicle window 7 continues to make progress when carrying out the action of closing the window direction, when turning to the position of windowing to press on switch 4, motor 3 is an antiport, and vehicle window 7 driven to the direction of windowing, reduce to extreme lower position up to vehicle window 7 and just stop ending, the anti-pinch safety device is returned to former initial state more simultaneously.
Claims (9)
1, a kind of power window does not have pressure type anti-pinch safety device, it is characterized in that: described power window does not have pressure type anti-pinch safety device and includes power supply processing unit, signal processing unit, capacitor sensing unit, output control unit and drive unit, described power supply processing unit connects described signal processing unit, described capacitor sensing unit connects described signal processing unit, described signal processing unit connects described output control unit, and described output control unit connects described drive unit.
2, power window as claimed in claim 1 does not have pressure type anti-pinch safety device, it is characterized in that: described power supply processing unit, described signal processing unit and described output control unit constitute main control circuit, and described main control circuit constitutes the modularity assembly and is positioned in the control box.
3, do not have pressure type anti-pinch safety device as claim 1 or the described power window of claim 2, it is characterized in that: described capacitor sensing unit system and described main control circuit can be electrically connected and separate or be electrically connected merging, and connect with lead.
4, power window as claimed in claim 3 does not have pressure type anti-pinch safety device, it is characterized in that: described capacitor sensing unit includes inductive means, and described inductive means can be wire, planar or point-like.
5, power window as claimed in claim 4 does not have pressure type anti-pinch safety device, it is characterized in that: described inductive means can imbed in soft or the rigid insulation thing or directly be attached at need impose security protection scope in object on.
6, power window as claimed in claim 1 does not have pressure type anti-pinch safety device, it is characterized in that: described signal processing unit is that single-chip, microprocessor or other have the programmable logical edit device that can carry formula, computing, include or add memory body, can monitor the signal of processing from a plurality of door and windows simultaneously.
7, power window as claimed in claim 1 does not have pressure type anti-pinch safety device, it is characterized in that: described drive unit can connect an acousto-optic warning device by described output control unit control.
8, power window as claimed in claim 1 does not have pressure type anti-pinch safety device, it is characterized in that: the door and window that described power window does not have the effect of pressure type anti-pinch safety device comprises vehicle window, elevator door, building door and window, iron rolling door, boats and ships door and window.
9, power window as claimed in claim 1 does not have pressure type anti-pinch safety device, it is characterized in that: the door and window that described power window does not have the effect of pressure type anti-pinch safety device can be open and close type structure or left and right sides open and close type structure up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310121275 CN1629443A (en) | 2003-12-17 | 2003-12-17 | Non-pressure type clamp-proof anti-squeeze safety device for electric door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310121275 CN1629443A (en) | 2003-12-17 | 2003-12-17 | Non-pressure type clamp-proof anti-squeeze safety device for electric door and window |
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| Publication Number | Publication Date |
|---|---|
| CN1629443A true CN1629443A (en) | 2005-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310121275 Pending CN1629443A (en) | 2003-12-17 | 2003-12-17 | Non-pressure type clamp-proof anti-squeeze safety device for electric door and window |
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| CN (1) | CN1629443A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013091267A1 (en) * | 2011-12-21 | 2013-06-27 | 北京奥特易电子科技有限责任公司 | Anti-pinch sensor of electric vehicle window and method thereof |
| CN106097527A (en) * | 2016-08-09 | 2016-11-09 | 四川星门科技有限公司 | Intelligence controlling device for doors and control method |
| CN107489335A (en) * | 2017-09-04 | 2017-12-19 | 宁波美丽佳金属结构有限公司 | A kind of intelligent opener-closer for door of blind hinge structure |
| CN112854973A (en) * | 2021-01-12 | 2021-05-28 | 湖南大树下科技有限公司 | Light-variable glass for electric side window and man-machine communication system thereof |
| CN113931570A (en) * | 2021-12-16 | 2022-01-14 | 常州煜明电子股份有限公司 | Electric control intelligent vehicle-mounted sunshade curtain |
-
2003
- 2003-12-17 CN CN 200310121275 patent/CN1629443A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013091267A1 (en) * | 2011-12-21 | 2013-06-27 | 北京奥特易电子科技有限责任公司 | Anti-pinch sensor of electric vehicle window and method thereof |
| CN106097527A (en) * | 2016-08-09 | 2016-11-09 | 四川星门科技有限公司 | Intelligence controlling device for doors and control method |
| CN107489335A (en) * | 2017-09-04 | 2017-12-19 | 宁波美丽佳金属结构有限公司 | A kind of intelligent opener-closer for door of blind hinge structure |
| CN112854973A (en) * | 2021-01-12 | 2021-05-28 | 湖南大树下科技有限公司 | Light-variable glass for electric side window and man-machine communication system thereof |
| CN113931570A (en) * | 2021-12-16 | 2022-01-14 | 常州煜明电子股份有限公司 | Electric control intelligent vehicle-mounted sunshade curtain |
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