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Description of the invention The present invention relates to an improved system for automatic reading of instruments.
BACKGROUND OF THE INVENTION Meters such as electricity meters, gas meters and water meters are widely used in homes and industrial facilities. Traditionally, counters have to be used for meters to indicate daily consumption such that regular time intervals are paid based on manual readings by consumers or trusted third parties. Usually, the meter needs to be placed very far away from the user's place of residence (for example, outside the door or in the basement), so the user forgets to monitor them regularly. In addition, if the meter needs to be read remotely and conveyed to the supplier in an easy manner, the supplier will be able to bill the consumer more frequently and in a manner that correctly reflects the consumption.
SUMMARY OF THE INVENTION Based on the prior art, the object of the present invention is to provide a universally improved remote reader system for a meter, in particular an electric meter, which seldom relies on the housing of the meter and can thus be easily Mounted on an even wider range of instruments.
According to a first aspect of the present invention, the object is achieved by an improved system for automatic reading of a meter that needs to have a meter housing with at least one transparent meter housing using an adhesive device. a body part, the system comprising an optical sensor unit adapted to detect a consumption indication signal from the meter, the optical sensor unit comprising a sensor unit housing, the sensor unit housing being adapted to be mounted to the meter The transparent meter housing part of the housing, wherein the optical sensor unit comprises a cable connection adapted to connect the sensor unit to a data processing unit remote from the sensor unit, and wherein the processing unit comprises wireless transmission Apparatus, the wireless transmission apparatus adapted to send processed data from the data processing unit to another remote device for further processing or display.
The figure shows an electric meter with a sensor unit and a template with an improved system according to the present invention
In addition, it becomes possible to place power consuming components and battery power sources for these power consuming components in a protected location (ie, indoor) by using a sensor housing that actually contains only a sensor and connecting it to a remote data processing unit. This prevents the battery from being exposed to low temperatures, and exposure of the battery to low temperatures may substantially shorten the battery life.
In addition, by using an adhesive (for example, double-sided tape), the sensor unit can be installed by the consumer himself without the use of tools and without the help of a technician.
The optical sensor unit of the present invention includes an optical transmitter, and the marking on the sensor unit housing is adapted to take into account the distance between the optical sensor and the transmitter. This allows proper alignment of the sensor regardless of whether it receives light reflected from a Ferraris disk of an electricity meter used as such or receives light emitted from a flicker indicator (eg (infrared) LED) of an electricity meter used as such. . The housing includes a detector for detecting whether the sensor housing is attached to the surface. This makes it possible to detect the separation of the sensor housing from the meter housing, which in turn enables corresponding warnings to be issued. Preferably, the detector includes a switch because the switch is inexpensive and reliable.
According to yet another preferred embodiment of the first aspect of the present invention, the indicia includes a visor cutout. The use of cutouts (preferably in the edge of the housing) facilitates proper installation because the cutouts can be used to properly optically align the housing with the indicator of the meter (in particular, the Ferraris disk of the meter).
According to a second aspect of the present invention, there is provided a template for aligning an optical sensor unit housing including an optical sensor for an improved system requiring the automatic reading of the instrument, with the instrument to be instrumented, Where the template includes a transparent carrier, and the template includes a cross-shaped mark indicating vertical and horizontal directions that is adapted to align with an indicator (specifically, but not exclusively, a Ferraris disk of an electric meter) to be given to the meter. This makes it easy to properly mount the sensor unit housing. This can be done without the use of tools and can be performed by the consumer himself without having to find a skilled worker, such as an electrician.
The transparent carrier includes an anti-static foil that is adapted to adhere to the transparent meter housing component to be supplied to the meter without the use of an adhesive. This makes it easy to secure the template during use and remove it especially after use.
According to another preferred embodiment of the second aspect of the invention, the template comprises a perforation defining a central strip, which can be removed by cracking the perforations so that the openings in the template are left behind. This allows the consumer to easily align the template using the center cross of the cross-shaped indicia and then remove the central portion of the template to create an opening through which the light sensor unit can be mounted on the transparent meter housing component.
According to a further preferred embodiment, the stripe comprises a central portion of said cross-shaped indicia, and at least the width of said stripe is adapted to the width of the housing of the optical sensor unit, thereby allowing said optical sensor unit housing to be able to be placed in said In the opening, the optical sensor housing can be aligned with the rest of the cross-shaped mark. Thus, access to the transparent meter housing part is easily obtained through the opening in the template, wherein the sensor unit housing (preferably having the matching lines thereon) can be aligned with the rest of the cross-shaped marking and mounted.
According to a still further preferred embodiment of the second aspect of the present invention, the template includes an additional marker for compensating a predetermined distance between the optical sensor and the light emitter in the optical sensor unit housing. This allows the sensor unit housing to be properly aligned on the meter that uses the Ferraris disk and on the meter that uses the LED indicator by using the same template, thereby widening the range of the meter so that the invention with it is applicable to General consumers.
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