JPS5866824A - Weight displaying device - Google Patents

Abstract

PURPOSE:To make electric power consumption less and maintenance easier by disposing plural optical fibers opposite to plural dots forming the display digits provided on a non-transparent plate and providing optical switches in the mid- ways thereof and a light source and a reflecting mirror at the other ends. CONSTITUTION:Dot groups A-D forming 4 digits of figures and a dot group E displaying Kg are provided on a non-transparent front plate 1, whereby a display TD is formed. Optical fibers 3-1-3-n are disposed opposite to dot groups 2, and optical switches 8-1-8-n which are controlled selectively by a control circuit 9 are disposed in the mid-ways thereof. A light source 5 and a reflector 6 are disposed at the other ends. The circuit 9 controls the optical switches 8 selectively according to the measuring signal from a weight measuring device 10, and displays characters of, for example, 3,000kg (black dots) on the device TD. As compared with devices disposed with lamps in the shapes of dots, electric power consumption is less and maintenance is easier.

Description

[Detailed description of the invention] Which invention relates to a loading room for a truck etc. [amount □li
t,,1111! value tf 9ppvflysf; bos
c. Concerning suitable weight display devices. There are various display devices El-j that allow road administrators and the like to measure the loaded weight of trucks and the like and display it digitally.

There are some that use high-intensity lamps, some that rotate a movable plate with arranged numbers, and some that rotate a number ring.However, these have short lamp life, high power consumption, and have no moving parts. There are problems such as easy failure.

Also, if you don't do enough maintenance, the dots that make up the numbers will become dull. The present invention is intended to improve the problems of the conventional display device, and will be explained below with reference to the drawings.

Figure 1 shows the basic concept of this invention, and Dl
r; is a front panel made of opaque sheet glass or plastic except for the dots (2) that form the numbers; (3) is a bundle of one or more wires, with one end of each dot An optical fiber is located in the section, and the light passing through this optical fiber causes the corresponding dot to glow.

One end of the optical fiber is fixed to the dot part of the front plate, and the other end is located at the light generator (4).

That is, it is composed of a light generating device (41ij light source (for example, a herogen lamp) C5) and a reflector (REIPLK (!TOR) (61) that reflects the light emitted from this light source (5). The other end of the optical fiber (3) is located at the focal point of the reflector (61).

Therefore, when the light source is turned on by the power from the power source (7), the light enters from the other end of the optical fiber (3),
Reach one end.

Fig. 2 shows a weight display device based on the concept shown in Fig. 1, and here, for convenience, a group of dots A, B, C! forming a four-digit number is shown. , D, and a group of dots E displaying ri[tJ, which form the surface of the display device TD.

Therefore, the four dot groups A, B, C, and D are displayed as 30004 and b, for example.

In addition, in Fig. 2, the black circles are selected and the numbers rsJ
rOJ rOJ rOJ and "~" are shown.

On the other hand, white circles are dots that are not selected.

Figure 1g3 is an embodiment of this invention), in Figure 3,
(11 is the front plate, (5-1) to (s-n)tj optical fiber', (41 is the light generator, (5) is the light source, (6) is the reflector, (7) is the power source t (8 -1) to (8-n) are optical switches, which are selectively controlled by a control circuit (9) that is installed in the middle of each optical fiber and selects dots individually. It's a vessel.

This measuring device a (1, for example, calculates the weight of the cargo by loading a truck with its cargo and calculating the total weight, or by subtracting the truck's own weight from the gross weight, and the measurement signal from such a weight measuring device a) Accordingly, the circuit (9) selectively controls the optical switch.

That is, the display is performed in the same manner as a conventional digital weight display device.

In the embodiment, an optical switch is provided for each line of one optical fiber, but it is also possible to provide one optical switch for a plurality of lines.

By the way, like this invention with optical fiber.

A weight display device that combines a light source and one reflector consumes less power than the commonly used conventional device, which has lamps arranged in a dot shape, and since the light source is small, it is easy to maintain. The cost required for this is also low.

[Brief explanation of drawings]

FIG. 1 is a diagram for explaining the basic concept of this invention,
FIG. 2 is a diagram showing the surface of the weight display device, and FIG. 11E is a diagram showing an embodiment of the weight display device according to the present invention.
(!l is the front panel, C2) is the optical fiber), (31 is the optical fiber, ( is the light source, (61 is the reflector), (7) is the power supply, (81 is the optical switch, (9) is the dot selection control circuit , 0Itj weight measuring device. In addition, the same b in Figure 2 is shown with the same symbol attached to the Aihiro part. Agent Makoto Kuzuno - Figure 1 F3CDE

Claims (1)

[Claims] A plate made of glass or plastic. A front plate is opaque except for a plurality of dots forming display numbers, and one end of each is located at each dot, and the other end is a focal point of the reflector of a light generating device consisting of a light source and a reflector (RICFLRiOTOR). a plurality of optical fibers located in the optical fiber, an optical switch provided in the middle of the optical fiber, a controller for selectively controlling the optical switch, and a weight measuring device for supplying a weight measurement signal of the object to the controller. 1. A weight display device, characterized in that the weight of the object to be measured is digitally displayed using the dots of the optical fiber.