CN209373391U - A kind of wakeup time control structure of broken glass device wake-up circuit - Google Patents

Abstract

The utility model discloses a kind of wakeup time control structure of broken glass device wake-up circuit, including wake-up circuit, wake-up circuit is electrically connected the first circuit, fixed resistance one end or swept resistance is electrically connected between the first circuit and wake-up circuit.The utility model structure is simple, can suitably break glass device wakeup time with the selection as needed of fast accurate.

Description

A kind of wakeup time control structure of broken glass device wake-up circuit

Technical field

The utility model belongs to the wakeup time control of field of automobile safety more particularly to a kind of broken glass device wake-up circuit Structure.

Background technique

Automatic broken glass device is a kind of automatic broken glass device being mounted on automobile, be used for after vehicle generation accident to vehicle into Row breaks glass consequently facilitating passenger's fast-escape automatically.But broken glass device keeps on the go by electricity automatically, if signal without Encryption, it is easy to time break be intercepted and captured by people, then malice plays explosion glass device by wireless signal.For this purpose, our company is in broken glass Decoding chip is set on device, by receiving the signal of encryption, just will do it detonation after then decoding verifying is correct, to prevent People's malice plays explosion glass device.It but receives the signal receiving chip of signal and decoding chip is constantly in working condition, receive letter Number and to receive the decoding operation after signal be all extremely power consumption, therefore cause brokenly the power consumption of glass device higher, due to existing broken Glass device maintains its operation by battery, i.e. the power consumption of the battery capacity and broken glass device use duration that determines brokenly glass device, and It is fixed when battery capacity is general, thus existing broken glass device due to power consumption it is big, cause it to hold time shorter, need frequent Battery is replaced by staff.In order to which our company is along having sent out a kind of broken glass device control circuit control signal receiving chip and decoding Chip is waken up in a certain period of time, but existing wake-up circuit, and wakeup time is fixed setting, Wu Fagen It is adjusted according to needs.

Utility model content

The utility model provides a kind of wakeup time control structure of broken glass device wake-up circuit in order to solve the above problem. The utility model simple structure, convenient control, extend brokenly glass device uses the time, saves cost, and it is prevented to be anticipated Outer and malice breaks glass.

To reach above-mentioned technical effect, the technical solution of the utility model is:

A kind of wakeup time control structure of broken glass device wake-up circuit, including wake-up circuit, wake-up circuit electrical connection the One circuit is electrically connected with fixed resistance one end or swept resistance between the first circuit and wake-up circuit.

It is further to improve, swept resistance is electrically connected between the first circuit and wake-up circuit.

Further to improve, first circuit includes resistance R3.

Further to improve, the wake-up circuit parallel connection is electrically connected with several first circuits, the first circuit and wake-up circuit Between be electrically connected fixed resistance one end, the contact that is electrically connected of fixed resistance other end electrical connection welding on circuit boards.

Further to improve, the contact that is electrically connected is the solder joint being pre-welded on circuit board.

Detailed description of the invention

Fig. 1 is the circuit connection diagram of first via decoding circuit；

Fig. 2 is the circuit diagram of first via decoding circuit；

Fig. 3 is the attachment structure schematic diagram of first via decoding circuit and No. second decoding circuit；

Fig. 4 is the attachment structure schematic diagram of contact of being electrically connected；

Fig. 5 is the structural schematic diagram of slide resistor.

Specific embodiment

Embodiment

A kind of broken glass device control circuit as depicted in figs. 1 and 2, including first via decoding circuit, first via decoding circuit It is electrically connected the electronic ignition head of broken glass device, the first via decoding electricity includes signal receiving circuit 1, and signal receiving circuit 1 is electrically connected It is connected to signal output apparatus 3 and wake-up circuit 2, signal output apparatus 3 is electrically connected with decoding circuit 5；Decoding circuit 5 is electrically connected with Learning circuit 6 and wake-up control circuit 4, wake-up control circuit 4 are electrically connected with wake-up circuit 2；Decoding circuit 5 is electrically connected broken glass device Control circuit 7 breaks the electronic ignition head that glass device control circuit 7 is electrically connected broken glass device.

The utility model is as follows to the control mode of broken glass device: wake-up control circuit 4 is used in set time period, week The wake-up decoding circuit 5 of phase property, and circuit 1 is received by 2 wake-up signal of wake-up circuit；Decoding circuit 5 is to received signal It is decoded, no situation then continues to be sunk into sleep, and there is something special then controls the broken glass of broken glass device, and so maximum signal of power consumption receives electricity Road 1 and 5 power consumption of decoding circuit strongly reduce, and substantially prolong brokenly the lasting of glass device and use the time.Wake-up control circuit 4 is set Time according to the difference of vehicle, vehicle can be set its interval time between 0.1-2s be smaller than setting remote controler long-pressing rise The quick-fried time.

There are other signal interferences in order to prevent, lead to situation of accidentally detonating, as follows, setting No. second decoding circuit is set, the Decoding circuit is identical as No. second decoding circuit structure all the way and reception signal frequency is different, first via decoding circuit and the second tunnel Decoding circuit is electrically connected with brokenly glass device control circuit 7, two broken glass device control circuits 7 receive simultaneously two it is different Broken glass device detonation is just controlled when time break remote controler emits the time break of two kinds of different frequencies simultaneously, so that playing prevents The case where broken glass device accidentally sets out, improves its security performance.

In addition, it is that product export can be examined very easily that two circuits of setting, which just can star brokenly another benefit of glass, Slowdown monitoring circuit whether journey, that is, disconnect a circuit, whether normal, then reverse operating one if being then connected to another circuit detector It is secondary, that is, two circuits have been detected, glass device will not have been caused brokenly to detonate due to always having to disconnect all the way, be easy to implement mechanical automation Circuit detection.

It is antenna that inlet signal, which receives circuit 1,.

It is illustrated in figure 2 the circuit of the utility model, wherein wake-up control circuit 4 and decoding circuit 5 are gathered shown in Fig. 2 Decoding single-chip microcontroller IC1 on, it is specific its can be Atmel low frequency wake-up chip etc..Control circuit 4 includes referring to crystal oscillator X1.It calls out Awake circuit 2 and signal receiving circuit 1 and signal output apparatus 3 are integrated into chip IC 2, concretely SYN480R-315 chip Deng.

C3, L1 in signal receiving circuit form bandpass filter: it is same that bandpass filter allows the wave of special frequency channel to pass through When shield other frequency range waves and pass through.

L3, L2 are impedance matching circuit: impedance matching circuit effect subtracts for the signal of high frequency can be transferred to load point Few signal reflex.

C4, C5, C1 are decoupling capacitance: this capacitor can provide more stable power supply, while can also reduce element coupling To the noise of power end, can reduce other elements indirectly is influenced by this element noise

C6, C2: data sectional threshold value capacitor is from the waveform extracting direct current average value of demodulation, to wireless receiving chip interior Comparator provides reference value.

With reference to crystal oscillator X1, frequency is received for being arranged.

IC2: wireless receiving chip.

D1: indicator light.

R1, R2, R3: current-limiting resistance.

Learning circuit 6 includes study button SW1.

IC1: decoding single-chip microcontroller.

JP1: external output port.

1 output port explanation of table

Embodiment 2

Since different vehicle and the wakeup time for synchronizing area and company's needs are different, it is therefore desirable to so that wake-up circuit Wakeup time is adjustable, therefore does following improvement on the basis of embodiment 1:

Wake-up circuit 3 therein includes time control structure, and wake-up circuit 3 is electrically connected the first circuit and the second electricity Road, it is specific if figure is as shown in Fig. 2, the first circuit and second circuit respectively include R2, R3；Signal input circuit and signal output electricity Road has been electrically connected resistance R4 and R5, and wherein wakeup time control form is not connect with the end GND of resistance R4 and R5 It is connected in a kind of wakeup time, resistance R4 is connected with the end GND one end of R5, and the other end is disconnected, when being in this way respectively two kinds of wake-ups Between, the end GND of resistance R4 and R5 are turned on also as a kind of wakeup time, it can for wakeup time in setting 4.Apparent first Circuit and second circuit can be electrically connected resistance more in parallel, to form more wakeup time control modes.Its entity Structure is as shown in figure 4, resistance R2, R3, R4 and R5 are electrically connected the contact 9 that is electrically connected being welded on circuit board 8.Wherein R4 and The corresponding contact 9 that is electrically connected of R5 is by connection or is not connected to, and forms different size of electric current, wake-up circuit 3 is according to different electric currents Size forms different wakeup times.Four in Fig. 4 are electrically connected in contact 9, there are two connection R4 and R5 is respectively used to, in addition Two for being grounded.

In addition, resistance R4 and R5 that the first circuit is connected with second circuit obviously also could alternatively be sliding shown in fig. 5 Resistor 10, the resistance value time by adjusting slide resistor 10 controls adjusting without rank for time, so that different demands are adapted to, But due to it is difficult to ensure that accurate wakeup time (broken glass device factory is the wakeup time that be adjusted to setting).

Other control modes are that can also control chip by the one individual time of setting, to pass through remote controler or screen The controllers wakeup time such as curtain, key, but corresponding will increase cost.

The explanation of above example is merely used to help understand the core concept of the utility model；Meanwhile for this field Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive Upper described, the content of the present specification should not be construed as a limitation of the present invention.

Claims (5)

1. a kind of wakeup time control structure of broken glass device wake-up circuit, which is characterized in that including wake-up circuit (3), wake up Circuit (3) is electrically connected the first circuit, and fixed resistance one end or sliding electricity are electrically connected between the first circuit and wake-up circuit (3) Resistance.

2. the wakeup time control structure of broken glass device wake-up circuit as described in claim 1, which is characterized in that the first circuit Swept resistance is electrically connected between wake-up circuit (3).

3. the wakeup time control structure of broken glass device wake-up circuit as described in claim 1, which is characterized in that described first Circuit includes resistance (R3).

4. the wakeup time control structure of broken glass device wake-up circuit as described in claim 1, which is characterized in that the wake-up Circuit (3) parallel connection is electrically connected with several first circuits, has been electrically connected fixed resistance between the first circuit and wake-up circuit (3) One end, the fixed resistance other end are electrically connected the contact that is electrically connected (9) being welded on circuit board (8).

5. the wakeup time control structure of broken glass device wake-up circuit as claimed in claim 4, which is characterized in that described to be electrically connected Contact (9) is the solder joint being pre-welded on circuit board (8).