CN204667580U - Warning device - Google Patents

Abstract

Embodiment of the present utility model discloses a kind of warning device.This warning device comprises OLED parts and the first control-driving circuit.OLED parts comprise the OLED array be made up of a plurality of OLED, and between the first housing and the second housing, each OLED lights or extinguishes under drive singal.First control-driving circuit, between the first housing and the second housing, is connected with OLED parts.First control-driving circuit comprises driving circuit and logic control circuit.Driving circuit can produce drive singal, comprises electronic switch and current control circuit, and electronic switch can make OLED parts switch under display mode and flicker alarm mode, and current control circuit can select OLED in OLED array and the drive current of control OLED.Logic control circuit produces control signal to driving circuit, and driving circuit driving OLED array displaying message or flicker are reported to the police.In such scheme, OLED parts not only show information as display, but also are used as alarm lamp.

Description

Warning device

Technical field

The utility model relates to fire-fighting and safety-security area, is specifically related to warning device.

Background technology

Warning device is a kind of a kind of signalling alarm equipment sending warning signal to people.Warning device has been widely used in the multiple places such as family, office building, library, factory.Such as, the single warning device with smog probe or camera can be used in residential houses, or office building can use multiple warning device and infrared eye, smoke detector, Men Ci etc., composition warning system, when infrared eye, smoke detector or door magnetic detection are to when having invasion, a flue gas etc., transmit a signal to the warning device of installation immediately, being arranged on on-the-spot alarm can be started by controller, send strong alerting signal, to reach the object of reminding field staff to note.

Utility model content

An embodiment of the present utility model discloses a kind of warning device.One second housing that this warning device comprises one first housing and can fit together with the first housing.This warning device also comprises: OLED parts and the first control-driving circuit.OLED parts comprise the array be made up of a plurality of OLED, and in the space between the first housing and the second housing, each OLED lights or extinguishes under drive singal.First control-driving circuit, in the space between the first housing and the second housing, is connected with OLED parts, and the first control-driving circuit comprises one first driving circuit and a logic control circuit.Driving circuit can produce drive singal, comprises electronic switch and current control circuit, and electronic switch can make OLED parts switch under display mode and flicker alarm mode, and current control circuit can select OLED in OLED array and the drive current of control OLED.First logic control circuit produces control signal to driving circuit, and driving circuit driving OLED array displaying message or flicker are reported to the police.

According to another one embodiment of the present utility model, above-mentioned warning device also comprises sound-generating element and the second control-driving circuit, and the second control-driving circuit can make sound-generating element sound warning.Wherein, sound-generating element and second control-space of driving circuit between the first housing and the second housing in.

According to another one embodiment of the present utility model, above-mentioned warning device also comprises printed circuit board, in the space of printed circuit board between the first housing and the second housing, wherein the first control-driving circuit and second control-driving circuit is on a printed circuit board integrated.

According to another one embodiment of the present utility model, OLED parts are fixed on wherein at least one of the first housing, printed circuit board and the second housing.

According to another one embodiment of the present utility model, OLED parts are plugged between the first housing and the second housing.

According to another one embodiment of the present utility model, wherein the first housing comprises base and cover plate.Pedestal can fix warning device, and cover plate can be connected with the second housing.

According to another one embodiment of the present utility model, wherein sound-generating element comprises chamber and piezo.Chamber can be fixed on a printed circuit board, and piezo is positioned at chamber.

Such scheme not only utilizes OLED parts as display to show information, and OLED parts are also used as alarm lamp.Parts play two kinds of functions.Meanwhile, OLED has autoluminescence, lightweight, thickness is thin, brightness is high, response is fast, efficiency is high, visible angle is large, the characteristic of power saving.As display, the information that OLED parts show than LED and xenon lamp etc. is more, and user is without the need to the information of the status information or alarm place environment of checking alarm from central control panel.In addition, the shape matching of OLED is flexible, can be designed to the simple structure being imbued with aesthetic feeling.

Accompanying drawing explanation

Fig. 1 is the decomposing schematic representation of an exemplary warning device;

Fig. 2 is the wiring layout of above-mentioned warning device;

Fig. 3 is the equivalent circuit diagram of the exemplary OLED array of above-mentioned warning device one;

Fig. 4 is the electrical block diagram of above-mentioned warning device;

Fig. 5 is the exemplary driving circuit schematic diagram of OLED array one;

Fig. 6 is the decomposing schematic representation of the exemplary warning device of another one; With

Fig. 7 is the electrical block diagram of above-mentioned warning device.

The title of all parts and numbered list in figure:

First housing 10;

Pedestal 11;

Cover plate 13;

Buckle structure 15;

Screw 17;

OLED parts 20;

OLED array 21;

First driving circuit 31;

First logic control circuit 33;

Second housing 40;

Sound-generating element 50;

Acoustic aperture 80;

Chamber 51;

Piezo 53;

Sounding driving circuit 61;

Second logic control circuit 63;

Printed circuit board 70; With

Power supply 90.

Embodiment

In order to make the object of the utility model embodiment, technical scheme and advantage clearly, below illustrating is described in further detail embodiment of the present utility model.It should be noted that " one " in presents not represents " one ", corresponding parts can be one, also can be multiple.

Fig. 1 is the decomposing schematic representation of an exemplary warning device, and Fig. 2 is the wiring layout of this warning device.The second housing 40 that warning device comprises the first housing 10 and can fit together with the first housing 10.This warning device also comprises OLED parts 20 and the first control-driving circuit.OLED parts 20 comprise the array 21 be made up of two or more OLED.First control-driving circuit is connected with OLED parts 20, under OLED array 21 can be made to be operated in alarm lamp and display mode.In the space of the first control-driving circuit between the first housing 10 and the second housing 40.

Specifically, the first housing 10 of above-mentioned warning device can be fixed on the wall of ceiling, wall or other fixation means.Can with mechanical link on first housing 10 and the second housing 40, buckle structure etc. such as, in Fig. 1 on the first housing 10, the second housing 40 is arranged corresponding bindiny mechanism's (not demonstrating in Fig. 1) simultaneously and realizes the first housing 10 and the second housing 40 to fit together.A space can be formed between the first housing 10 and the second housing 40 like this, can hold or other parts of fixing warning device.

OLED parts 20 comprise the array 21 be made up of a plurality of OLED.Fig. 3 is the equivalent circuit diagram of the exemplary OLED array of above-mentioned warning device one.There is shown the electric arrangement mode of the passive OLED array of 3 × 3.As required, these OLED can be simultaneously bright after being applied in voltage, also can glimmer, to show different information.Active OLED (AM-OLED) can be used, also can use passive OLED (PM-OLED).

These OLED parts 20 both can be used as display and alarm lamp.OLED is Organic Light Emitting Diode, is also called Organic Electricity laser display (English full name is Organic Light-Emitting Diode).OLED parts 20 comprise the OLED array 21 be made up of a plurality of OLED.The characteristics such as OLED has autoluminescence (thus without the need to backlight), lightweight, thickness is thin, brightness is high, response is fast, efficiency is high.OLED parts 20 can comprise conductive layer, anode and the substrate that anode, emission layer, organic material or polymkeric substance are formed successively.When have electric current by time, the organic material on conductive layer or polymkeric substance can be luminous, thus realize the various information of display.OLED parts 20 are very thin, and visible angle is large, and can save electric energy.The autoluminescence of OLED energy, without the need to arranging light source again, all viewing areas of warning device that can make are larger, thus can show more information.So OLED effect display advantage is a lot.Such as, OLED parts 20 can show the temperature of environment residing for warning device belonging to it, humidity, time, the IP address of this warning device or other be in IP address or the zone name of the warning device of alarm condition or the IP address of the smoke detector be connected with this warning device.

Meanwhile, OLED parts 20 are also used as alarm lamp.When occurring that fire, poison gas, earthquake etc. are dangerous, OLED parts 20 can be reported to the police in fast blink.See that OLED parts 20, the OLED parts 20 of flicker can be spheroid, hemisphere or polyhedron etc. for enabling user from multiple angle.In addition, because OLED parts 20 are used as display and alarm lamp, OLED parts 20 can be arranged on position obvious on warning device.As shown in Figure 1, OLED parts 20 are arranged on the outside surface of the second housing 40.

OLED parts 20 control with first-and driving circuit is connected.First control-driving circuit can produce drive singal, under making OLED array 21 be operated in alarm lamp and display screen pattern.As shown in Figure 1, first control-driving circuit can in the space between the first housing 10 and the second housing 40, it can be fixed on the first housing 10 or the second housing 40, also can directly be fixed on OLED parts 20, or arranges on a printed circuit board.

Fig. 4 is the electrical block diagram of above-mentioned warning device.Power supply 90 is warning device (comprising the first control-driving circuit) power supply.First control-driving circuit can be made up of two functional modules: the first driving circuit 31 and the first logic control circuit 33.As shown in Figures 3 and 4, the first driving circuit 31 can produce drive singal, and it comprises electronic switch and current control circuit.Electronic switch is for utilizing the running unit of power electronic devices (comprising metal-oxide-semiconductor and chip) realizing circuit break-make.The electronic switch that can realize OLED parts 20 are switched under flicker is reported to the police and shown two kinds of mode of operations can both be used in the utility model.Such as, Fig. 4 shows a kind of simple electronic switch.This electronic switch mainly comprises switch S 1, S2 and constant current source A1, A2.Electronic switch can make OLED parts 20 switch under display mode and flicker alarm mode, and as shown in Figures 3 and 4, current control circuit can select OLED in OLED array 21 and the drive current of control OLED; Comprise electronic switch and current driving circuit.Current control circuit mainly comprises sweep trace ROW (the horizontal horizontal line namely shown in figure), data line COL (vertical line namely shown in figure), is used for selecting the OLED in OLED array 21.That is, the sweep trace ROW shown in Fig. 3 and data line COL can make certain or some OLED in OLED array 21 light or extinguish.At normal mode, OLED parts 20 are operated in display mode; When receiving alerting signal (such as, when the central control panel be connected with warning device sends alerting signal to warning device), under OLED parts 20 are operated in flicker alarm mode.When OLED works in display mode, switch S 1 is closed, and switch S 2 is opened, and constant current source A1 will make small area analysis flow through OLED.When being operated in flicker alarm mode, switch S 1 is opened, and switch S 2 is closed, and constant current source A2 opens, and makes big current flow through OLED.The drive current of the first driving circuit 31 also control OLED, and provide line selection signal to logic control circuit 33.According to the function of current control circuit described above, those skilled in the art can determine other multiple circuit structure that can be used as current control circuit.

Fig. 5 is the schematic diagram of exemplary the first driving circuit 31 of OLED mono-.Shown in Fig. 5 is that each OLED in the OLED array shown in the first driving circuit 31, Fig. 3 of an OLED can have such a first driving circuit 31.When on sweep trace line, voltage is in high level, the pixel that the OLED of expression shown in figure is corresponding is selected, then transistor T1, T2 conducting, first data current Idata is charged to electric capacity Cs from data line by T1 pipe.When electric capacity Cs both end voltage reaches certain value, data current I data flows to T3 pipe by T2 pipe.Meanwhile, because the grid voltage of T3 pipe and T4 pipe is equal, data current I data is mirrored the electric current for flowing through OLED.When this pixel is not selected, the voltage that the grid voltage of transistor T4 is stored by electric capacity Cs two ends determines, maintains electric current driving OLED.First logic control circuit 33 can be MCU (microprocessor, microprocessor, as shown in Figure 4), logic control chip or timer (when steering logic is fairly simple, can timer be used) etc.First logic control circuit 33 produces control signal to the first driving circuit 31, the logic state of each OLED in control OLED array 21, comprises the light on and off frequency of OLED, pulsewidth (determining the length of fluorescent lifetime) and brightness (by regulating the size of current by OLED) etc.Meanwhile, the first logic control circuit 33 can also produce the logical signal controlling power supply 90.Certainly, a circuit module also can be used to realize the above-mentioned control of the first control-driving circuit and drive function.Person skilled in art can determine applicable circuit according to the function of the first control-driving circuit described above.

Fig. 6 is the decomposing schematic representation of the exemplary warning device of another one.Differently with the warning device shown in Fig. 1 be, this warning device also comprises sound-generating element 50 and the second driving circuits.Sound-generating element 50 can be hummer or loudspeaker etc.Hummer is employed in warning device shown in Figure 6.This hummer has the chamber 51 that can be fixed on the second housing 40, can hold piezo 53 in chamber 51.The frequency domain that hummer is sounded is narrower, but cheaply, and the frequency domain that loudspeaker is sounded is wider, but loudspeaker is somewhat expensive.Can choice for use hummer or loudspeaker according to demand.Second driving circuits comprises phonation circuit 61 and the second logic control circuit 63.

Fig. 7 is the electrical block diagram of above-mentioned warning device.Power supply 90 is respectively the first control-driving circuit of OLED parts 20 and the second control-drive circuitry of sound-generating element 50.Second control-driving circuit also can be divided into two functional modules: Logic control module and driver module.Second logic control circuit 63 can be MCU or logical control chip etc., and it produces control signal, flows to driver module; Driver module can be existing doube bridge driving circuit, and it is according to the logic state of the control signal adjustment sound-generating element 50 from control module.As shown in Figure 7, the second control-driving circuit and the first control-driving circuit can use a MCU as the first logic control circuit 33 and the second logic control circuit 63 respectively.Certainly, the second control-driving circuit and the first control-driving circuit also can share a MCU, as the two logic control circuit.In addition, can the above-mentioned control of the second control-driving circuit be realized by a circuit module and drive function.Person skilled in art can determine applicable circuit according to the function of the second control-driving circuit described above.

Sound-generating element 50 and the second driving circuits can be arranged in the space between the first housing 10 and the second housing 40.As shown in Figure 6, the chamber 51 holding hummer 53 can be fixed on printed circuit board 70, and the second housing 40 can also arrange acoustic aperture 80.Because acoustic aperture 80 can not be blocked, OLED parts 20 can be arranged on the position such as top, bottom or surrounding of the second housing 40.Such as, shown in Fig. 6 is the mode that OLED parts 20 are buckled in below the second housing 40.Similarly, OLED parts 20 also can be buckled in below the first housing 10.Or, because the first housing 10 and the second housing 40 are (such as the two can be connected together by buckle structure) of fitting together, at this moment OLED parts 20 also can be inserted between the first housing 10 and the second housing 40, are namely clamped by the first housing 10 and the second housing 40.

Second control-driving circuit can be arranged on the first housing 10 or the second housing 40, also can be arranged on a printed circuit board.Preferably, the first control-driving circuit and second controls-and driving circuit can integratedly be arranged on a printed circuit board 70, and printed circuit board 70 can be fixed on the first housing 10 or the second housing 40 by snap device or other connected mode.Like this, whole circuit parts of this warning device are all arranged on printed circuit board 70, make the production cost of warning device low, easy for installation.In addition, can understand that OLED parts 20 also can be fixed on printed circuit board 70 by mechanical mechanisms such as buckles.

In addition, as shown in Figure 6, the first housing 10 can comprise pedestal 11 and cover plate 13.Pedestal 11 is provided with buckle structure 15 and screw 17, and screw 17 is used for being fixed on the wall of the fixation means such as wall or ceiling by warning device by bolt.Buckle structure 15 is used for and the second housing 40 is assembled.Meanwhile, the bus from central control panel can be caused on printed circuit board 70 by the hole on pedestal 11.

The utility model not only utilizes OLED parts as display to show information, and OLED parts are also used as alarm lamp.Parts play two kinds of functions.Meanwhile, OLED has its autoluminescence, lightweight, thickness is thin, brightness is high, response is fast, efficiency is high, visible angle is large, the characteristic of power saving.As display, the information that OLED parts show than LED and xenon lamp etc. is more, and user is without the need to the information of the status information or alarm place environment of checking alarm from central control panel.In addition, the shape matching of OLED is flexible, can be designed to the simple structure being imbued with aesthetic feeling.

The foregoing is only better embodiment of the present utility model, be not intended to limit protection domain of the present utility model.Can be improved appropriately according to preferred implementation of the present utility model in concrete implementation process, to adapt to the concrete needs of concrete condition.Therefore be appreciated that embodiment of the present utility model as herein described just plays an exemplary role, not in order to limit protection domain of the present utility model.

Claims (7)

1. a warning device, one second housing (40) comprising one first housing (10) and can fit together with the first housing (10), it is characterized in that, this warning device also comprises:

One OLED parts (20), comprise the OLED array (21) be made up of a plurality of OLED, be arranged in the space between the first housing (10) and the second housing (40), each OLED lights or extinguishes under drive singal; With

One first control-driving circuit, is arranged in the space between the first housing (10) and the second housing (40), and be connected with OLED parts (20), the first control-driving circuit comprises:

One drive circuit (31), drive singal can be produced, comprise electronic switch and current control circuit, electronic switch can make OLED parts (20) switch under display mode and flicker alarm mode, and current control circuit can select OLED in OLED array (21) and the drive current of control OLED; With

One logic control circuit (33), produces control signal to driving circuit (31), makes driving circuit (31) driving OLED array (21) show information or flicker warning.

2. warning device according to claim 1, also comprises:

One sound-generating element (50), and

One second control-driving circuit, can make sound-generating element (50) sound warning;

Wherein, sound-generating element (50) and second control-driving circuit is arranged in space between the first housing (10) and the second housing (40).

3. warning device according to claim 2, also comprise a printed circuit board (70), printed circuit board (70) is arranged in the space between the first housing (10) and the second housing (40), wherein the first control-driving circuit and second control-driving circuit is integrated on printed circuit board (70).

4. warning device according to claim 3, wherein, OLED parts (20) are fixed on wherein at least one of the first housing (10), printed circuit board (70) and the second housing (40).

5. warning device according to claim 1, wherein, OLED parts (20) are plugged between the first housing (10) and the second housing (40).

6. warning device according to claim 1, wherein the first housing (10) comprising:

Pedestal (11), can fix warning device; With

Cover plate (13), can be connected with the second housing (40).

7. warning device according to claim 2, wherein sound-generating element (50) comprising:

One chamber (51), can be fixed on printed circuit board (70); With

One piezo (53), is positioned at chamber (51).