EP1533766B1 - Dispositif de signalisation - Google Patents

Dispositif de signalisation Download PDF

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Publication number
EP1533766B1
EP1533766B1 EP20040026044 EP04026044A EP1533766B1 EP 1533766 B1 EP1533766 B1 EP 1533766B1 EP 20040026044 EP20040026044 EP 20040026044 EP 04026044 A EP04026044 A EP 04026044A EP 1533766 B1 EP1533766 B1 EP 1533766B1
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EP
European Patent Office
Prior art keywords
signal
signalling device
sensor
signal generator
detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20040026044
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German (de)
English (en)
Other versions
EP1533766A1 (fr
Inventor
Gerhard Kühnemundt
Heinz Elsässer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WERMA Signaltechnik GmbH and Co
WERMA Signaltechnik GmbH and Co KG
Original Assignee
WERMA Signaltechnik GmbH and Co
WERMA Signaltechnik GmbH and Co KG
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Publication date
Priority claimed from DE10361758A external-priority patent/DE10361758B4/de
Application filed by WERMA Signaltechnik GmbH and Co, WERMA Signaltechnik GmbH and Co KG filed Critical WERMA Signaltechnik GmbH and Co
Publication of EP1533766A1 publication Critical patent/EP1533766A1/fr
Application granted granted Critical
Publication of EP1533766B1 publication Critical patent/EP1533766B1/fr
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Definitions

  • the invention relates to a signaling device according to the preamble of claim 1.
  • Signal devices in particular for displaying operating states in machines and systems having at least two different signal generators for at least two different signals, are already commercially available.
  • a so-called signal tower has become known for modular construction with the document EP 0 755 494 B1, in which various segments can be combined to form a signal light with base and cover.
  • acoustic signal generators such as piezo buzzer or the like, can be found.
  • Such signaling devices are u.a. used to indicate the operating conditions or defects of certain operators in machinery and equipment and possibly to generate warning signals.
  • the object of the invention is therefore a signal device to propose, in which the signal function is improved in the case of disturbing environmental factors, such as ambient light or environmental noise.
  • a signal device is characterized in that the environmental sensor is frequency-dependent and / or direction-dependent.
  • the invention thus provides a sensor which is sensitive to a property of the disturbance variable, for example the frequency or the direction. This makes it possible, for example, to increase the frequency of the signal, i. For example, the color of a light source or the sound or the pitch of a sound generator to adapt to the corresponding disturbance of the environment.
  • control unit is designed such that the signaling and the sensor interrogation take place intermittently.
  • Such an intermittent sequence ensures that the environmental sensor detects the corresponding disturbance from the environment independently of the functional signal of the signaling device.
  • Conceivable would be the simultaneous Störsterner charged on the sensor and signal generation via the signal device or a signal generator of the signaling device, with appropriate measures for detecting or separating the disturbance are provided by the signal generated by the signal generator.
  • measures may include, for example, a filter or the like.
  • the sensor function and the function of the signal generator is perceived by the same unit. It is possible, for example, with a so-called bidirectional transducer on the one hand to generate a signal from an electrical signal signal and on the other from sound waves that hit the transducer to form electrical signals that are electronically evaluated. A corresponding design is also conceivable with optical components. Thus, for example, with one or more LEDs on the one hand produces a signal light and on the other hand from incident light, a voltage or current signal can be obtained, through which an LED and sensor element can be used.
  • a visual signal generator e.g. one or more LEDs and a corresponding photo sensor for detecting ambient light provided.
  • the signal device according to the invention forms a luminous signal, as is known for example from the light columns described above.
  • a signal device can be realized in the same way in the form of an acoustic signal generator with a sound generator and a sound sensor as an environmental sensor. Also sound signals can be adapted according to the invention to the corresponding disturbance of the ambient sound.
  • an intensity-sensitive environmental sensor senses the brightness in the corresponding environment and is capable of controlling the intensity of the corresponding signal, i. adjust the volume or brightness to the environment so that the signal is sufficiently perceptible.
  • two or more controllable signal generators are provided. This can be, for example, two differently colored bulbs or even two sound sources of different pitch. The combination of a sound source with a light source comes into question for this embodiment.
  • two or more sensors are provided to detect the interference of the environments, adapted to the respective signal generator.
  • a sensor is also provided which is sensitive at least in this frequency range.
  • the combination with a corresponding sensor makes sense.
  • At least one signal sensor is furthermore provided for detecting a signal generated by the signal generator (s).
  • a signal generated by the signal generator (s) is furthermore provided for detecting a signal generated by the signal generator (s).
  • a control of the signal for example, in terms of intensity or frequency, is possible, which ensures a sufficient contrast to disturbances of the environment. For example, a certain intensity difference between the disturbance variable and the signal can be regulated.
  • the control unit required for this purpose is carried out separately or as a unit with the control unit.
  • the signal device 1 comprises a power supply 2 for providing the power supply, a control unit 3 and a pulse generator 4.
  • Light-emitting diodes 5 are connected to the pulse generator 4. In the present example, four light emitting diodes are present.
  • the pulse generator 4 is connected both to the power supply unit 2 and to the control unit 3. He receives his power supply via the power supply 2 and is controlled by the control unit 3.
  • a photosensor 6 is connected to a switching stage 7, which comprises a switch, in the present case in the form of the transistor 8.
  • the transistor 8 via the line. 9 connected by means of the pulse generator 4, which in turn is controlled by the control unit 3.
  • the transistor 8 could easily be switched directly from the control unit 3.
  • a capacitance 10 is also located in the circuit of the photosensor 6.
  • the capacitance smoothes the sensor signal of the photosensor 6 and prevents u.a. an undesirable DC component in this circuit.
  • An amplification unit 11 amplifies the sensor signal of the photosensor 6 with the aid of an amplifier 12.
  • the output 13 of the amplifier 12 is switched to the negative input of a first comparator 14 and to the positive input of a second comparator 15.
  • a reference voltage 16 defines by means of a series circuit of three resistors 17, 18, 19, two different potentials 20, 21, which are placed on the not yet occupied by the sensor input of the comparators 14, 15.
  • the two comparators 14, 15 deliver a signal via the signal lines 22, 23 to the control unit 3 in each case when a threshold value defined above the potentials 20, 21 is exceeded.
  • a device with a circuit according to Figure 1 is able to perform a power control of the LED 5, which is dependent on the brightness or intensity of the ambient light.
  • the ambient light is detected via the photosensor 6 and evaluated via the amplifier unit and the comparators 14, 15.
  • the power control can be done in three stages.
  • the LED 5 Without sensor signal from the comparators 14, 15, the LED 5 is operated at normal standard power. When a threshold value is exceeded, the comparator 15 delivers a signal whereby the power is increased via the control unit 3 and the pulse generator 4 in a first stage. After exceeding a second threshold with a corresponding signal via the comparator 14, the control unit 3 by means of the pulse generator 4, the LED 5 operate in a further higher power level.
  • the switching stage 7 downstream electronic components can be switched off by switching over the transistor 8 of the environmental sensor 6.
  • This is particularly advantageous in a design in which the environmental sensor 6 is within the range of influence of the signal generators, i. in the present case, the LEDs 5, is located.
  • intermittent operation may take place, i. the amplifier unit 11 and the following electronics is turned on only by the transistor 8 when the LED 5 is turned off. In this way, regardless of the emission of the LEDs 5, the ambient light is detected and evaluated.
  • the amplifier unit 11 is protected from an excessively strong input signal by switching off by means of the transistor 8, when the environmental sensor 6 is illuminated by the LED 5.
  • the device according to FIG. 1 represents a particularly simple variant, in which the intensity of the ambient light is detected independently of frequency and, depending on threshold values, the luminous intensity of the LED is controlled in three power levels.
  • continuous control is possible with correspondingly complex electronics.
  • Such a control may also take into account other parameters, such as the frequency of the ambient light, the time of day, etc.
  • the device according to FIG. 2 essentially corresponds to the aforementioned exemplary embodiment, wherein now instead of the LED 5 and the photosensor 6, a bidirectional, electroacoustic sound transducer 24 is provided.
  • This sound transducer 24 serves on the one hand as a signal or sound generator to generate the desired signal with appropriate control via the control unit 3 and the pulse generator 4.
  • the sound transducer 24 is connected via the lines 25, 26 to the pulse generator 4 for this purpose.
  • the sound transducer 24 operates bidirectionally, i. upon impact of sound waves, the sound transducer 24 is capable of generating an output signal on the lines 25, 26 which is tapped via the sensor lines 27, 28 and evaluated as in the above-described embodiment.
  • the sound transducer 24 also serves as a sound generator and sound sensor. This is possible in intermittent operation, since on the one hand the sensor electronics are switched off via the transistor 8 when sound is generated and, on the other hand, the sound transducer 24 is available as a sensor without activation via the pulse generator 4.
  • the lines 25, 26 are preferably terminated with high resistance in the phase without sound generation.
  • the embodiment according to FIG. 2 can also be designed as an optical signal device.
  • the bidirectional transducer 24 in this case one or more bidirectional optical elements, for example one or more LEDs are used.
  • LEDs are not only able to emit light with appropriate current, but it can also be obtained by means of LED incident light with a current or voltage signal. An LED is therefore at the same time as a signal generator and usable as a sensor.
  • the illustrated embodiments describe, by way of example only, comparatively simple implementations of the invention.
  • the use of several sound generators and several sensors is possible, as is the evaluation of different properties or parameters of the ambient sound, for example, in addition to the intensity, also the frequency or the direction from which the ambient noise comes.
  • a direction-dependent evaluation for example, controlled by different sound transducers and a correspondingly different sound can be radiated in different directions.
  • Essential in the invention is a consideration of disturbances from the environment in the generation of the corresponding signal. Combinations of acoustic and visual signal generators with appropriate control are conceivable within the scope of the invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (12)

  1. '. Appareil de signalisation, en particulier destiné à signaler des états de fonctionnement sur des machines et installations, comportant au moins deux générateurs de signaux (5, 24) différents pour au moins deux signaux différents, au moins un générateur de signaux (5, 24) pouvant être commandé électriquement ou électroniquement par l'intermédiaire d'une unité de commande (3) et au moins un capteur d'environnement (6) étant présent pour détecter une grandeur perturbatrice provenant de l'environnement de l'appareil de signalisation (1) et altérant la perception du signal, et l'unité de commande (3) étant apte à commander la signalisation en fonction de grandeurs perturbatrices,
    caractérisé en ce que le capteur d'environnement (6, 24) dépend de la fréquence et/ou de la direction.
  2. Appareil de signalisation selon la revendication 1,
    caractérisé en ce qu'il est prévu un fonctionnement intermittent de la génération et de la détection de signaux.
  3. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu le même composant (24) pour la génération de signaux et pour la détection de signaux.
  4. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu un générateur de signaux visuel (5) et un capteur d'environnement visuel (6) pour la détection de la lumière ambiante.
  5. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu un générateur de signaux acoustique (24) et un capteur acoustique (24) pour la détection du bruit ambiant.
  6. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce que le capteur d'ambiance (6, 24) est sensible à l'intensité.
  7. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu une commande de l'intensité du générateur de signaux (5, 24).
  8. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu une commande de la fréquence du générateur de signaux (5, 24).
  9. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu deux générateurs de signaux réglables (5, 24) ou plus.
  10. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce que deux capteurs d'environnement (6, 24) ou plus sont présents afin de détecter et d'analyser différentes grandeurs perturbatrices.
  11. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'au moins un capteur de signaux (24) est présent afin de détecter des propriétés de signaux telles que l'intensité, la fréquence, la direction, etc. du signal produit par le générateur de signaux (5, 24).
  12. Appareil de signalisation selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu une régulation du signal produit par le générateur de signaux (5, 24) en tenant compte de l'analyse des valeurs de mesure acquises par le capteur de signaux (24) ainsi que par le capteur d'environnement (6, 24).
EP20040026044 2003-11-20 2004-11-03 Dispositif de signalisation Active EP1533766B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10354363 2003-11-20
DE10354363 2003-11-20
DE10361758A DE10361758B4 (de) 2003-11-20 2003-12-29 Signalgerät
DE10361758 2003-12-29

Publications (2)

Publication Number Publication Date
EP1533766A1 EP1533766A1 (fr) 2005-05-25
EP1533766B1 true EP1533766B1 (fr) 2006-06-14

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ID=34436338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040026044 Active EP1533766B1 (fr) 2003-11-20 2004-11-03 Dispositif de signalisation

Country Status (2)

Country Link
EP (1) EP1533766B1 (fr)
DE (1) DE502004000762D1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI90646C (fi) * 1991-06-13 1994-03-10 Kone Oy Hissin merkinantolaitteen paikallinen automaattinen äänen voimakkuuden säätö
JP2972431B2 (ja) * 1992-01-29 1999-11-08 株式会社河合楽器製作所 音響発生装置

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Publication number Publication date
DE502004000762D1 (de) 2006-07-27
EP1533766A1 (fr) 2005-05-25

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