JP7368879B1 - Display device for construction sites - Google Patents

Abstract

An object of the present invention is to provide a reusable display device that displays always-on display information that needs to be displayed all the time. [Solution] In order to solve the above problems, there is provided a display device for a construction site for constantly displaying information, the display device has a control section and a display section, and the control section controls the display section. The present invention is characterized in that the constantly displayed information is controlled, and the display section is an electronic display means. According to the present invention, it is possible to provide a display device for a construction site that displays reusable constantly displayed information. [Selection diagram] Figure 1

Description

The present invention relates to a display device for a construction site.

At construction sites such as store construction and construction, each construction site is required to display a sign board with specific information in a place that is easily visible to the public.

This specific information will be displayed at all times and installed outdoors for the purpose of notifying nearby residents. Therefore, since signboards are exposed to wind and rain, they are required to be made of a robust material so as not to be easily damaged or collapsed (Non-Patent Document 1 and Non-Patent Document 2).

“Construction Business Permit Application Guide”, page 131, lines 1 to 3 “2. Posting of Permit Signs - Article 40 of the Law”, [online], April 2018, Kanagawa Prefecture Welfare and Welfare Promotion Association , [Retrieved January 4, 2020], Internet <URL: https://www.pref.kanagawa.jp/documents/22065/917609.pdf> “Hamamatsu Kogei Co., Ltd. WEB page”, [online], April 2018, [searched on January 4, 2020], Internet <URL: https://www.hamamatsu-cogei.co.jp /osirase.html＞

As described in Non-Patent Document 2, currently, signboards are created using aluminum composite boards or plastic plate-like members, and they need to be created for each construction site, which is time-consuming. There are problems such as this and the inability to reuse plate-shaped members.

Therefore, an object of the present invention is to provide a display device for a construction site that displays reusable constantly displayed information.

As a result of intensive study on the above-mentioned problems, the present inventor has developed a construction site display device for displaying information at all times, which includes a control section and a display section, so that the display information can be displayed after the completion of construction at the construction site. The present invention was completed by discovering that it can be made into a display device for construction sites that can be changed and reused at other construction sites.
That is, the present invention is the following display device for construction sites.

A display device for a construction site according to the present invention for solving the above problems is a display device for a construction site for constantly displaying information, the display device having a control section and a display section, and a control section and a display section. The display unit controls the constant display information of the display unit, and the display unit is an electronic display means.

According to the display device for a construction site of the present invention, by having the control section and the display section, it has an effect that the display information displayed on the display section can be rewritten by the control section.

Further, in one embodiment of the display device for construction sites of the present invention, the electronic display means requires electric power when rewriting the display information displayed on the display section, while the display information displayed on the display section It is characterized by the fact that it requires virtually no electricity to maintain the displayed state and does not have a backlight.
According to this feature, while electric power is required when the display unit rewrites the displayed information, electric power is essentially not required to maintain the displayed state of the displayed information displayed on the display unit. This has the advantage that the display information can remain displayed even when power is not supplied (power outage, battery exhaustion, electronic component failure, etc.).
Additionally, since it does not have a backlight, it can prevent excessive light from shining on the person viewing the display, which is called light pollution. In particular, by using it as a display part of a display device for a construction site that may display information even at night, it is possible to suppress brightening of the surrounding area and improve the effect of suppressing light pollution on residents near the construction site.

Further, one embodiment of the display device for construction sites according to the present invention is characterized in that it includes a light adjustment means for reducing the amount of light from the display section at night.
According to this feature, it is possible to suppress excessive light exposure to the person viewing the display section, which is called light pollution. Particularly in a display device for a construction site that may be displayed even at night, it is possible to suppress brightening of the surrounding area, and the effect of suppressing light pollution on residents near the construction site is improved.

Furthermore, one embodiment of the display device for construction sites according to the present invention is characterized by being equipped with a battery as a backup power source.
According to this feature, since a battery is provided as a backup power source, it is easy to rewrite and always display even during a power outage.

Further, an embodiment of the display device for construction sites according to the present invention is characterized in that the power consumption per inch of the display portion of the display device is 0.08 kW/h or less.
According to this feature, since the display device for construction sites consumes a certain amount of power, it is possible to reduce the power consumption, suppress the loss of power supply from the power supply unit, and suppress the stoppage of operation of the display device. This has the effect of preventing the display section of the display device from being unable to constantly rewrite the displayed information or from not displaying information.

According to the present invention, it is possible to provide a display device for a construction site that displays reusable constantly displayed information.

FIG. 1 is a schematic explanatory diagram of a display device for a construction site according to a first embodiment of the present invention. FIG. 1 is a schematic explanatory diagram of a display device for a construction site according to a first embodiment of the present invention. 1 is a schematic explanatory diagram showing a method of using a display device for a construction site according to a first embodiment of the present invention; FIG. FIG. 2 is a schematic explanatory diagram of a display device for a construction site according to a second embodiment of the present invention.

Hereinafter, embodiments of a display device for a construction site according to the present invention will be described in detail with reference to the drawings.
Note that the display device for a construction site described in the embodiments is merely an example for explaining the display device for a construction site according to the present invention, and is not limited thereto.

The construction site display device of the present invention is a construction site display device for constantly displaying information. A display device for a construction site according to the present invention is characterized by comprising a control section, a display section, an input section, a storage section, and a power supply section.

Note that the construction site in this specification refers to a site where various types of construction work are performed, such as civil engineering work, demolition work, renovation work, steel construction work, scaffolding work, interior work, road work, event venue construction work, and station construction work. The construction site may be either outdoors or indoors, but since the display device for the construction site of the present invention is installed for the purpose of providing information to nearby residents, etc., it is preferable to install it outdoors. preferable.
In addition, the constantly displayed information is the information on signs stipulated in Article 40 of the Building Business Act, including the name of the construction industry, whether it is general construction industry or specific construction industry, and other matters specified by the Ordinance of the Ministry of Land, Infrastructure, Transport and Tourism, as well as information on signs stipulated in Article 24 of the Building Business Act. An example of this is information called a system diagram. However, information other than these may be used.

[First embodiment]
FIG. 1 is a schematic explanatory diagram showing the structure of a display device 1A for a construction site according to a first embodiment of the present invention.
The construction site display device 1A in this embodiment is a plate-shaped display device, as shown in FIG. Considering that the display device 1A for construction sites will be installed outdoors, in order to make it a robust device, it is subjected to waterproofing and treatment to suppress deterioration due to ultraviolet rays.
The display device 1A for construction sites includes a control section 2, a display section 3, an input section 4, a storage section 5, and a power supply section 6. Hereinafter, each configuration will be explained in detail based on FIGS. 1 and 2.

[Control unit]
The control section 2 controls a display section 3, an input section 4, a storage section 5, and a power supply section 6, which will be described later.
The control unit 2 controls the display information on the display unit 3 and causes the display unit 3 to display character information input through the input unit 4 or to store the character information input through the input unit 4 into the storage unit 5. , performs control such as displaying display information stored in the storage unit 5 on the display unit 3.

The control section 2 performs control such as rewriting the constantly displayed information 51 on the display section 3 or switching the always displayed information 51 on the display section 3 according to input information from the input section 4 . Therefore, after the work at one construction site is completed, the always-on display information 51 that needs to be constantly displayed at that first site is rewritten and the always-on display information 51 that needs to be always displayed at the next other site is rewritten. It can be rewritten and displayed, and has the effect that the display device 1A for construction sites can be reused at different construction sites.

Further, the control unit 2 controls so that all of the plurality of constantly displayed information 51 for one construction site that needs to be displayed at all times are displayed on the entire screen of the display unit 3 (list display). In addition, the control unit 2 switches and displays the always-on display information 51 that cannot be displayed on the display unit 3 out of the plurality of always-on display information 51 at one construction site that needs to be displayed on the display at regular intervals. (automatic switching display), or by controlling the display by switching the always-on display information 51 (manual switching display) by operating the input unit 4 of the person who wants to view the always-on display information 51. , all of the constantly displayed information 51 to be displayed at one construction site can be controlled so that it can be viewed, and the control of these displays may be selected by the administrator.

Further, when performing control to switch and display the constantly displayed information 51 at regular intervals (automatic switching display), it is preferable that the switching is performed in a time that does not require a long time to confirm the entire constantly displayed information 51. In addition, the administrator and the viewer can set the time to be switched and displayed at regular intervals, and there are multiple types of predetermined times that can be switched, and the user can select from among the predetermined times. You may also do something like this.
A specific example of the determined time is preferably 60 seconds or less, more preferably 30 seconds or less, even more preferably 15 seconds or less, particularly preferably 10 seconds or less, particularly preferably 5 seconds or less.

In addition, in the case of a display device 1A for a construction site that uses a touch panel as the input unit 4 (to be described later), the control unit 2 stores the administrator's handwritten character information input through the input unit 4 as the constantly displayed information 51 in the storage unit 5. memorize it. Furthermore, the control unit 2 controls the character conversion means 24 that recognizes the input handwritten character information and converts it into the character information of the conversion format 53 stored in the storage unit 5 or displays conversion candidates.

The control unit 2 performs various operations based on information input through the input unit 4. For example, an operation is performed to store character information input at the input unit 4 in the storage unit 5 based on a storage command input at the input unit 4, or a conversion candidate for the character information input at the input unit 4 is displayed. and perform an action to prompt the inputter to make a selection.

Note that the control unit 2 may have a lock function such as a password so that only the administrator can rewrite the constantly displayed information 51. This has the effect of suppressing the possibility that the always-on display information 51 may be accidentally rewritten by a viewer such as a neighboring resident.

[Display]
The display unit 3 has a function of displaying character information and the like of the constantly displayed information 51.
The display unit 3 is an electronic display means, and while power is required to rewrite the display information displayed on the display unit 3, power is required to maintain the displayed state of the display information displayed on the display unit 3. is substantially unnecessary, and a device without a backlight is used, specifically electronic paper.
Note that "substantially no power is required" means that no power is used or the amount of power used is very small.

An example of electronic paper is a microcapsule electrophoretic display (microcapsule EPD). A microcapsule type electrophoretic display displays black and white by moving white and black particles using an electric field in a microcapsule containing a fluid, and is also called a particle movement type display.
In addition to the particle movement type, an electronic paper called an electronic powder type may be used in which white and black particles are moved in the air by an electric field.
Moreover, although the case of two colors, white and black, has been illustrated, the color is not particularly limited as long as one color is different from the other color. Further, there may be two or more colors, and the electronic paper may be capable of displaying three, four, or five or more colors.

These electronic papers do not have a backlight, a device that supplies light from the side opposite to the side (back side) from which the person is viewing, and instead reflect light from the side where the person views the displayed information. Or it has the function of displaying character information by absorbing it.
Therefore, by using electronic paper as the display section 3, the display device 1A can consume less power because it does not have a backlight. It is possible to suppress exposure to harsh light. In particular, by using it as the display part 3 of the display device 1A for construction sites that may display information even at night, it is possible to suppress brightening of the surrounding area, and improve the effect of suppressing light pollution on residents near the construction site. .

Furthermore, electronic paper requires power when rewriting display information, but after displaying the display information, it has a characteristic that it does not require power to maintain the display state of the display information. Therefore, if power is not supplied from the power supply unit 6 (described later) (if power is not supplied from both the main power supply device 61 and the backup power supply 62, for example, during a power outage, a dead battery, a failure of electronic components, etc.) Even if the display state is the same, the display state can be maintained and the situation where information that is required to be displayed all the time is not displayed can be effectively suppressed.

Further, the size of the display section 3 is not particularly limited, but is, for example, 30 inches or more. From the viewpoint of making information visible to people who are located far from the construction site display device 1A and from the viewpoint of displaying all of the constantly displayed information 51 on one screen, it is preferably 40 inches or more, more preferably 60 inches or more. It is at least 1 inch, more preferably at least 90 inches, particularly preferably at least 120 inches.

Further, the power consumption during operation of the display device 1A for construction sites is 8.0 W/h or less per inch (per 2.75 cm ² of display area of the display device). From the viewpoint of reducing power consumption and suppressing the stoppage of operation of the display device 1A for construction sites, it is preferably 6.0 W/h or less, more preferably 4.0 W/h or less, and even more preferably 2.0 W. /h or less. This power consumption has the effect of suppressing the inability to rewrite or switch display of the constantly displayed information 51 on the construction site display device 1A.

[Input section]
The input unit 4 is used to input and rewrite display information on the display unit 3, and to perform operations such as switching display information.
The input unit 4 is not particularly limited as long as it is an input device that can perform the operations described above. Specifically, in addition to connecting a wired keyboard and mouse to the display device 1A, the display device 1A may be provided with a transmitter/receiver unit (not shown) to enable wireless input operations, or input from a smartphone, tablet terminal, etc. The device or a mobile terminal having an input method may be configured to allow input operations from other information terminals via short-range communication (infrared communication, Bluetooth (registered trademark), etc.) or the Internet.

In this embodiment, a display device called a touch panel (a device in which the display unit 3 and a transmissive input device are overlapped) that allows input operations to be performed by directly touching the screen is used.
Among the input devices, by using a touch panel, it is possible to use other input devices (keyboards) when operated by an administrator who manages the always-displayed information 51 at a construction site or by an unspecified number of people who want to view the always-displayed information 51. , mouse, information terminal, etc.), and it is highly convenient.

In addition, by using a touch panel, the administrator can use it to write the characters to be displayed on the display unit 3, making it easier to input, modify, and update (rewrite) the constantly displayed information 51. be.

Note that the input unit 4 may include a second input device 41 such as a button switch. The second input device 41 can perform operations such as switching display information, and is arranged on the same side as the display unit 3 so that it can be easily operated by a person who wants to view the constantly displayed information 51. It is preferable that Furthermore, when the display device 1A for construction site is installed at a high place etc. at the construction site, the display device 1A for construction site is designed so that it is easy for a person to perform a display switching operation when viewing the constantly displayed information 51. The second input device 41 may be installed at a location away from the user. In this case, the second input device 41 may be wired or wireless, but is preferably wired in terms of cost.

[Storage]
The storage unit 5 stores the always-on display information 51 input by the administrator using the input unit 4, and also stores template information 52 to make it easier for the administrator to input (create) the always-on display information 51. It is a device that does
Note that the template information 52 is preferably information on a sign prescribed in Article 40 of the Building Industry Act and/or a template of information called a construction system diagram according to Article 24 of the Building Industry Act.
Examples of the storage unit 5 include volatile memories called DRAMs and SRAMs, as well as nonvolatile memories called ROMs, flash memories, and hard disks.
When there is a plurality of pieces of always-on display information 51, the storage unit 5 stores the plurality of pieces of always-on display information 51. The storage unit 5 stores always-on display information 51 that is read out when the always-on display information 51 is switched at regular intervals or when operated by a person who wants to view the always-on display information 51 according to a command from the control unit 2. Ru.
Further, format information 53 read by the character conversion means 24 is also saved.

[Power supply part]
The power supply unit 6 supplies power necessary for operating the display device 1A to the control unit 2 and the like.
The power of the power supply section 6 is used for the operation of the control section 2, when storing the always-on display information 51 in the storage section 5, when switching or rewriting the always-on display information 51 on the display section 3, and the like.

The power supply unit 6 includes a main power supply 61 and a backup power supply 62.
The main power supply device 61 preferentially supplies power necessary for operation to the display device 1A. The power supplied by the main power supply device 61 includes a commercial power source used at the construction site, power from a generator prepared at the construction site, power generated by a solar panel, and power from a battery.
Further, the backup power source 62 corresponds to an individual battery different from the main power source device 61.
The standby power supply 62 supplies power to the construction site display device 1A when power is not supplied from the main power supply device 61 due to a power outage or the like.

By combining the main power supply device 61 and the backup power supply 62, the backup power supply 62 supplies power to the display device 1A even when power is not supplied to the main power supply device 61 (power outage, dead battery). Therefore, it is possible to continue operating the display device 1A (controlling automatic switching display and manual switching display).

As the battery of the backup power source 62 and/or the battery of the main power source device 61, a portable and chargeable/dischargeable storage battery can preferably be applied.
By making the battery of the backup power source 62 a portable and chargeable/dischargeable storage battery that can be charged using the power from the main power supply device 61, the backup power source 62 can be efficiently charged while using the display device 1A. This is preferable because it allows for

Furthermore, the main power supply device 61 is powered by a solar panel, and the battery of the backup power supply 62 is a portable, chargeable and dischargeable storage battery, which eliminates the need for complicated power wiring when installed outdoors. This is preferable because power can be generated using light, and the display device 1A can be operated and the backup power source 62 can be charged.
Note that both the battery of the backup power source 62 and the battery of the main power supply device 61 are portable and chargeable storage batteries, and these batteries can be charged with power from a solar panel or with power from a commercial power source. In this case, the display device 1A for the construction site can be operated with a battery without requiring power wiring at the construction site, and the display device 1A for the construction site can be operated with excellent portability.
Furthermore, if the main power supply device 61 is used as a commercial power source, electricity will be obtained from the construction site, which may increase the total power consumption at the construction site, which may cause a power outage due to excessive power consumption at the construction site. There is a risk. Therefore, it is more preferable from the viewpoint of not causing a power outage at the construction site.

In the embodiment of the present invention, a case is illustrated in which the power supply section 6 includes a main power supply device 61 and a backup power supply 62, but the power supply section 6 may include only the main power supply device 61. By using electronic paper as the display section 3, the display information 51 can be kept displayed at all times even if power is not supplied from the power supply section 6 (power outage, battery exhaustion, failure of electronic parts, etc.). This is desirable in that the structure of the entire display device 1A can be simplified.

[How to operate and use display devices for construction sites]
The operation and usage method of the construction site display device 1A according to the first embodiment of the present invention will be explained.
First, the display device 1A is transported to a construction site, power is supplied to the display device 1A from the power supply unit 6, and the operation of the display device 1A is started. Note that the main power supply device 61 is wired or the like depending on the type of power supply (commercial power supply).

In the control unit 2, when the touch panel that is the input unit 4 is operated by the administrator, free writing is performed, template information 52 of the constantly displayed information is selected, and input is performed according to the content. do. After the constant display information 51 is input, an operation is performed to store the constant display information 51 in the storage unit 5.

After that, the administrator selects how to display the always-on display information 51.
When there is a plurality of pieces of constantly displayed information 51, one piece of constantly displayed information 51 is displayed, and the viewer can select a setting (manual switching display) in which the displayed pieces of constantly displayed information 51 can be switched by operating the input section 4. , select a setting that controls switching at regular intervals (automatic switching display), or select a setting that displays one or more pieces of constantly displayed information 51 selected by the administrator on the entire surface of the display unit 3 (list). display).

Next, the display device 1A is installed in a place where people such as nearby residents can view it, and the display device 1A is set in a state where it can be viewed by people, and construction is started. Since the display device 1 for the construction site does not consume power when constantly displaying the display information 51, the administrator does not have to manage whether the display device 1A is operating or not, or the management is reduced. can do.

When the construction work is completed and it is no longer necessary to display the constantly displayed information 51 on the construction site display device 1A, the construction site display device 1A is removed from the construction site and the display device 1A is transported to a new construction site. Then, the display device 1A for the construction site becomes reusable by supplying power from the power supply unit 6 and performing operations such as inputting information to be constantly displayed at the new construction site using the input unit 4. .

[Second embodiment]
FIG. 2 is a schematic explanatory diagram showing the structure of a display device 1B for a construction site according to a second embodiment of the present invention.
Note that components having the same functions and structures as the display device 1A for construction sites in the first embodiment of the present invention are given the same reference numerals, and explanations thereof will be omitted.
The display device 1B for construction sites in this embodiment is different from the display device 1A in the display section 7.

[Display]
The display section 7 has a function of displaying character information.
The display section 7 is an electronic display means that uses electric power to maintain the state in which the display information 51 is constantly displayed on the display section 7. Specifically, a liquid crystal display or an organic electroluminescent display is used. (Organic EL display) falls under this category.

Those that use electric power to maintain the state in which the display information 51 is always displayed on the display section 7 can be used by supplying (emitting) light from the direction opposite to the side of the display section 7 that is viewed by the person. The structure is such that the display information 51 can be visually recognized by a person. That is, light is required to display the always-on display information 51, and if power is no longer supplied, the always-on display information 51 will not be displayed because it will no longer be possible to generate light.

A liquid crystal display has a backlight, supplies light to the entire display screen, and displays characters and the like by blocking the light from the backlight with a shutter that utilizes the optical properties of liquid crystal. Therefore, liquid crystal displays require power to supply light to the entire display screen.
On the other hand, when displaying the always-on display information 51, an organic EL display expresses characters, etc. by controlling which of the plurality of organic EL elements that make up the organic EL display emit light and which do not. There is.
Therefore, it is not necessary to cause the organic EL elements of the entire display screen to emit light, and it can be used more favorably than a liquid crystal display in terms of power consumption.

Further, from the above viewpoint, in this embodiment, it is preferable that the power supply unit 6 includes a main power supply device 61 and a backup power supply 62.
In the case of only the main power supply device 61, if power is no longer supplied, the constantly displayed information 51 cannot be confirmed on the display unit 7, so providing the backup power supply 62 has the effect of suppressing this possibility.
Further, since the power consumption is specific, the display device 1B can be operated for a long time.

Note that a light adjustment means (not shown) may be provided to reduce the amount of light from the display unit 7 at night outside of construction hours, taking into account the surrounding environment of the installation location of the display device 1B for the construction site. The light adjustment means can be exemplified by a timer, a sunlight sensor, etc., and dims or turns off the light of the display section 7 when the surroundings become dark or when the surroundings become dark.
By providing the light adjustment means, it is possible to suppress excessive light exposure to the person viewing the display section 7, which is called light pollution. In particular, by using it as the display section 7 of the display device 1B for construction sites that may display information even at night, it is possible to suppress brightening of the surrounding area and improve the effect of suppressing light pollution on residents near the construction site. .
In addition, when a light adjustment means is provided, a temporary lighting means (not shown) may be further provided. The temporary lighting means increases the light on the display section 7 for a certain period of time based on specific conditions when the display section 7 is dimmed or turned off outside of construction hours, so that a person can visually check the constantly displayed information 51. It can be so. The temporary lighting means may display the constantly displayed information 51 on the display section 7 so as to be visible when a human sensor or a person operates the input section 4. Note that light pollution can be effectively suppressed by making the amount of light on the display section 7 during the temporary lighting unit smaller than the amount of light on the display section 7 during the construction time.
Note that the light adjustment means and the temporary lighting means are controlled by the control section 2.

In the first embodiment and the second embodiment, the case where the control unit 2 includes the automatic switching display 22 and the manual switching device 23 is illustrated, but it is not necessary to include the automatic switching display 22 and the manual switching device 23.
Further, although a touch panel is illustrated as an example of the input unit 4, it does not need to be a touch panel.
Further, although a case has been illustrated in which the storage unit 5 includes the template information 52 and the conversion format 53, it may not be provided, and in this case, the character conversion means 24 of the control unit 2 may not be provided.

The display device for construction sites of the present invention can be used at work sites where various types of construction work are carried out, such as civil engineering work, demolition work, renovation work, steel construction work, scaffolding work, interior work, road work, event venue construction work, and station construction work. can do.

1A and 1B are display devices, 2 is a control unit, 3 is a display unit, 4 is an input unit, 5 is a storage unit, 6 is a power supply unit, 7 is a display unit, 24 is a character conversion means, and 41 is a second input device , 51 is constantly displayed information, 52 is shape information, 53 is format information, 61 is a main power supply, and 62 is a backup power supply.

Claims (4)

A display device for a construction site for constantly displaying information installed for the purpose of providing information to nearby residents ,
The display device includes a control section, a display section, and an input section,
The control unit controls constant display information on the display unit,
The input unit includes an input device that performs operations for rewriting display information on the display unit and switching display information;
a second input device that is different from the input device and is operated by a person who wishes to view the constantly displayed information;
The second input device is a button switch that performs an operation to switch display information , and is connected to and arranged by wire at a location away from the display section,
The display section is an electronic display means,
The electronic display means requires electric power when rewriting the display information displayed on the display section, and substantially consumes no electric power when maintaining the displayed state of the display information displayed on the display section. A display device for construction sites that is unnecessary and has no backlight . The control unit controls a list display that displays a plurality of constantly displayed information on the entire screen of the display unit, and an automatic switching display that switches and displays a plurality of constantly displayed information on the display unit at fixed time intervals, The display device for a construction site according to claim 1, wherein the list display and the automatic switching display are selectable. The display device for a construction site includes a power supply unit,
The display device for a construction site according to claim 1, wherein the power supply unit is a solar panel. The display device for a construction site according to claim 1, wherein the power consumption per inch of the display section of the display device is 8.0 W/h or less.