JPH10185670A - Weighing scale - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light weighing scale with the simple structure by receiving a displacement corresponding to a load of a cover part of a pressure container with a pressurizing means, and detecting the pressurized amount applied to the pressurizing means with a pressure detecting means, and computing the pressurized amount with a weight detecting means, and displaying it. SOLUTION: When a person to be measured stands on a cover part 7a of a pressure container 7, the cover part 7a is slid toward a receiver part 7b in response to the load. A pressurizing means 8 is connected to the cover part 7a, and the air inside of the pressurizing means 8 is discharged to a pressure detecting means 9 from a transmitting part 8a in response to the load. A pressure detecting means 9 transmits the electric signal corresponding to the pressure to a weight detecting means 10. The weight detecting means 10 computes a load applied to the cover part 7a, namely the body weight, on the basis of the relation between the pressure and the weight. At the same time, body weight is displayed in a display means 11. Furthermore, a correcting means can be provided so as to improve the accuracy of measurement of body weight.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scale for measuring the weight of a human body or the like.

[0002]

2. Description of the Related Art In recent years, electronic weighing scales that digitally display measured weight values have been widely used instead of analog weighing scales in which the hands indicate the scale of a rotating dial.
Some electronic scales have a function of recording the measurement results.

[0003] This type of electronic weight scale has a configuration shown in FIG. On the upper part of the main body 1, a load surface 3 on which a measurer rides and a display means 6 are arranged. Further, inside the main body 1, a battery 2 for supplying power to each part and a strain detecting means 4 comprising a strain gauge for detecting a strain on the load surface 3 are provided.
And a converting means 5 for converting a signal from the strain detecting means 4 into a weight. The signal from the conversion means 5 is transmitted to the display means 6, and the display means 6 displays the weight.

With the above arrangement, the strain detecting means expands and detects the amount of displacement of the load surface 3 displaced in accordance with the measured weight,
The conversion means 5 calculates the weight based on this signal and displays it on the display means 6.

[0005]

However, the weighing scale of the above-mentioned conventional construction needs to have sufficient strength to ensure that the minute displacement of the load surface is in accordance with the weight, and the main body There is a problem that the weight of the device becomes heavy.

[0006]

According to the present invention, a main body is constituted by a pressure vessel, a displacement corresponding to a load of a lid portion of the pressure vessel is received by a pressurizing means, and a pressure detecting means applies a pressure to the pressurizing means. The weight scale is simply and lightly configured to detect the amount of pressure and calculate and display the amount of pressurization by weight detection means.

[0007]

According to the first aspect of the present invention, the main body is constituted by a pressure vessel, a displacement corresponding to a load of a lid portion of the pressure vessel is received by a pressurizing means, and the pressurizing means is detected by a pressure detecting means. The weight scale has a simple and lightweight structure that detects the amount of pressure applied to the weighing device and calculates and displays the amount of pressure applied by the weight detecting means.

According to a second aspect of the present invention, a pressure correcting means for detecting and storing the pressure of a pressure vessel before measurement is used.
The weight scale is configured to correct the measured weight so that the weight detection means cancels the pressure remaining in the pressure vessel and to display an accurate display.

According to a third aspect of the present invention, the weight detecting means is a weighing scale capable of correcting the measured weight in accordance with the temperature detected by the temperature detecting means for detecting the temperature of the pressurizing means so as to provide an accurate display. .

According to a fourth aspect of the present invention, the weight detecting means is a weighing scale capable of correcting the measured weight in accordance with the detected atmospheric pressure of the external air pressure detecting means for detecting the atmospheric pressure of the outside air so as to provide an accurate display.

[0011] According to a fifth aspect of the present invention, in the pressure vessel,
The center part has a slit for bending, making it a portable scale.

According to a sixth aspect of the present invention, in the pressure vessel,
An air injecting means for injecting air into the pressurizing means is provided, and the weight is measured by injecting air at the time of use, and the air is exhausted after use to form a small and portable weight scale.

According to the invention described in claim 7, as a display means arranged separately from the pressure vessel, the weight value can be read from the eyes of the user, and the scale is easy to use.

[0014] The invention described in claim 8 is a weight scale that can stably measure by means of the object to be measured provided on the upper part of the pressure vessel.

[0015]

Embodiments of the present invention will be described below. FIG. 1 is a sectional view showing the configuration of the present embodiment. In this embodiment, the entire main body is the pressure vessel 7. The pressure vessel 7
The lid 7a slides with respect to the receiving portion 7b while maintaining the airtight state. The lid 7a also serves as a platform for measuring the weight, and has a pressurizing means 8 having a flexible structure, for example, made of rubber on the lower surface. The pressurizing means 8 is filled with air,
The end portion is a transmitting portion 8a connected to pressure detecting means 9 including a pressure sensor or the like. The detection signal of the pressure detecting means 9 is transmitted to the weight detecting means 10, and the weight detecting means 10
Calculates the weight using the relationship between the pre-programmed detection pressure and the load. The calculated weight is displayed on the display means 11.

The operation of this embodiment will be described below. When the measurer rides on the lid 7a of the pressure vessel 7, the lid 7a slides toward the receiving part 7b according to the load. The pressurizing means 8 is connected to the lid 7a, and the air in the pressurizing means 8 is transmitted according to the sliding amount of the lid 7a, that is, according to the load.
a to the pressure detecting means 9. The pressure detecting means 9 outputs an electric signal corresponding to the pressure to the weight detecting means 1.
Transmit to 0. The weight detecting means 10 calculates the load applied to the lid 7a, that is, the weight, from the relationship between the pressure and the weight shown in FIG. At the same time, the calculated weight is displayed on the display means 11.

At this time, according to the present embodiment, the pressurizing means 8 is formed of a flexible structure such as rubber, and does not require any particular protection. For this reason, the pressure vessel 7
For example, a light metal such as aluminum or stainless steel can be used, so that the entire apparatus can be made very light and compact.

Further, as shown in FIG. 3, a weight scale with improved accuracy of weight measurement can be realized by adopting a structure including the pressure correcting means 12. That is, the pressure correcting means 12 stores the detected pressure of the pressure detecting means 9 measured before the weight measurement. That is, the detected pressure in a no-load state is confirmed, and the corrected weight is obtained by subtracting the stored load from the measured weight.

Naturally, in the case of this configuration, the pressure vessel 7
The pressure remaining in the inside can be canceled, and the accuracy of weight measurement can be improved.

Further, as shown in FIG. 4, if the configuration is such that the temperature detected by the temperature detecting means 13 is added to the calculation of the weight detecting means 10, a weight scale capable of temperature correction can be realized. That is, the temperature detecting means 13 detects the temperature of the air in the pressurizing means 8 and transmits this temperature information to the weight detecting means 10. With this configuration, the influence of room temperature can be reduced and the accuracy of weight measurement can be improved.

Further, as shown in FIG. 5, if the calculation of the weight detecting means 10 is added to the detected pressure of the outside air pressure detecting means 14, a weight scale capable of correcting the pressure can be realized.
That is, the outside air pressure detecting means 14 detects the pressure of the outside air, and transmits this information to the weight detecting means 10. The weight detecting means 10 converts the weight calculated based on this information into a standard pressure state and causes the display means 11 to display the weight.

Further, as shown in FIG.
If a slit 15 for bending is provided in the center of the device, storage after use can be very easily performed.
In other words, the device can be folded in half using the slit 15 after use. The weight scale according to any one of claims 1 to 4, comprising the weight scale.

Further, as shown in FIG.
With the configuration including the air injecting means 16 therein, a small and portable weight scale can be realized. That is, the air injecting means 16 can inject air into the pressurizing means 8 and extract air from the pressurizing means 8. Therefore, a predetermined amount of air is injected into the pressurizing means 8 using the air injection means 16 before use, and this air is extracted after use. When air is extracted from the pressurizing means 8 after use, the volume of the pressurizing means 8 can be reduced, and the volume of the entire apparatus can be significantly reduced. That is, it can be easily stored and is convenient to carry.

Further, as shown in FIG.
If the pressure vessel 7 is arranged separately from the pressure vessel 7, the weight can be read from the user's eyes, and an easy-to-use weight scale can be realized.

Further, as shown in FIG.
With the configuration in which the object-to-be-measured installation means 18 for mounting the object to be measured is provided on the upper part of the lid 7a, the position where the measurer is placed can be limited, and the weight measurement can be performed stably.

[0026]

According to the first aspect of the present invention, there is provided a pressure vessel for receiving the weight of an object to be measured, a pressurizing means provided in the pressure vessel, which is vertically displaced according to a load, and wherein the pressurizing means receives Pressure detecting means for detecting the pressure of the pressure, weight detecting means for converting the signal of the pressure detecting means into weight, and display means for displaying the output of the weight detecting means, a simple and light weight scale It will be realized.

According to a second aspect of the present invention, the weight detecting means cancels the pressure remaining in the pressure vessel by correcting the measured weight by a pressure correcting means for detecting and storing the pressure of the pressure vessel before measurement. The present invention realizes a weighing scale that can correct a measured weight to perform accurate display.

According to a third aspect of the present invention, there is provided a weighing scale capable of accurate display, wherein the weight detecting means corrects the measured weight in accordance with the temperature detected by the temperature detecting means for detecting the temperature of the pressurizing means. It will be realized.

According to a fourth aspect of the present invention, there is provided a weighing scale capable of accurate display, wherein the weight detecting means corrects the measured weight in accordance with the detected atmospheric pressure of the external air pressure detecting means for detecting the atmospheric pressure of the outside air. Is what you do.

According to a fifth aspect of the present invention, in the pressure vessel,
A portable weight scale is realized as a configuration having a slit for bending in the center.

According to a sixth aspect of the present invention, in the pressure vessel,
As a configuration equipped with air injecting means for injecting air into the pressurizing means, realizes a small and portable weighing scale by injecting air at the time of use and measuring weight, and discharging air after use. It is.

[0032] According to a seventh aspect of the present invention, the display means comprises:
As a configuration separated from the pressure vessel, the weight value can be read from the user's eyes, thereby realizing an easy-to-use weight scale.

[0033] In the invention described in claim 8, the pressure vessel comprises:
As a configuration provided with a measurement object placing means for placing a measurement object on an upper part, a weight scale capable of performing stable measurement is realized.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a weight scale according to an embodiment of the present invention.

FIG. 2 is a characteristic diagram showing a relationship between pressure and weight.

FIG. 3 is a block diagram showing a configuration provided with a pressure correction unit.

FIG. 4 is a block diagram showing a configuration provided with the temperature detecting means.

FIG. 5 is a block diagram showing a configuration provided with an outside air pressure detecting means;

FIG. 6 is a cross-sectional view showing a configuration in which a slit is provided.

FIG. 7 is a block diagram showing a configuration provided with the air injection means.

FIG. 8 is a block diagram showing a configuration provided with a display unit separated from the pressure vessel.

FIG. 9 is a block diagram showing a configuration in which a device to be measured is provided.

FIG. 10 is a block diagram showing a configuration of a conventional weight scale.

[Explanation of symbols]

 Reference Signs List 7 pressure vessel 8 pressurizing means 9 pressure detecting means 10 weight detecting means 11 display means 12 pressure correcting means 13 temperature detecting means 14 outside air pressure detecting means 15 slit 16 air injecting means 17 display means 18 object setting means

Claims (8)

[Claims] 1. A pressure vessel for receiving the weight of an object to be measured, a pressure means provided in the pressure vessel, which is vertically displaced according to a load, and a pressure detection means for detecting a pressure received by the pressure means. A weight scale comprising: a weight detecting means for converting a signal of the pressure detecting means into a weight; and a display means for displaying an output of the weight detecting means. 2. The weight scale according to claim 1, wherein the weight detecting means corrects the measured weight by pressure correcting means for detecting and storing the pressure of the pressure vessel before measurement. 3. The weight scale according to claim 1, wherein the weight detecting means corrects the measured weight in accordance with a temperature detected by the temperature detecting means for detecting a temperature of the pressurizing means. 4. The weighing scale according to claim 1, wherein the weight detecting means corrects the measured weight in accordance with the detected atmospheric pressure of the outside air pressure detecting means for detecting the atmospheric pressure of the outside air. 5. The weight scale according to claim 1, wherein the pressure vessel is provided with a slit for bending at a center portion. 6. The weight scale according to claim 1, wherein the pressure vessel includes an air injecting means for injecting air into the pressurizing means. 7. The weight scale according to claim 1, wherein the display means is arranged separately from the pressure vessel. 8. The weighing scale according to claim 1, wherein the pressure vessel is provided with a device to be measured mounted thereon for mounting the device to be measured.