JP5373452B2 - Transmission equipment power supply - Google Patents

Description

  The present invention relates to a transmission device that is installed outdoors and supplies power generated by a photovoltaic power generation panel as an auxiliary power source to a transmission device that operates by receiving power supply from a terminal-side main power supply device via a transmission line. The present invention relates to a power supply device.

  Conventionally, as a transmission device that processes a television broadcast signal and transmits it to the terminal side, for example, the television broadcast signal received by the receiving antenna is amplified and transmitted to the terminal side via a transmission line (coaxial cable or the like). Amplifying devices (so-called boosters) are known.

  For this type of transmission device, a power supply voltage for operating the transmission device is usually generated by receiving power supply from a commercial power supply, and the generated power supply voltage is supplied from the terminal side via the transmission line. A power supply is provided.

  Also, since transmission equipment such as boosters is usually installed outdoors, a photovoltaic power generation panel (so-called solar cell) is installed in the transmission equipment or on the transmission line, and this photovoltaic power generation panel and the terminal-side power supply device It has also been proposed to supply power to a transmission device by using (see, for example, Patent Document 1).

JP 58-172024 A

However, in the proposed power supply apparatus, the photovoltaic power generation panel is attached to a power pole or a pole of an antenna in which the transmission device is installed, and power is supplied to the transmission device.
For this reason, for example, when a photovoltaic power generation panel is provided in an existing transmission device, when there is no space for installing a photovoltaic power generation panel on a utility pole or support column where the transmission device is installed, a support column is added / replaced, etc. Thus, it was necessary to secure a place for installing the photovoltaic power generation panel.

  The present invention promptly determines the installation location of a solar power generation panel when the solar power generation panel is used as an auxiliary power source of a main power supply device that supplies power to a transmission device that processes a television broadcast signal and transmits it to a terminal side. The purpose is to ensure that the solar panel can be installed easily.

The invention according to claim 1, which has been made to achieve the object,
It is installed outdoors via an installation bracket fixed to the case, operates by receiving power from the main power supply device on the terminal side via the transmission line, processes a television broadcast signal, and transmits the transmission line on the terminal side A transmission device that supplies power to the transmission device as auxiliary power for the power supplied from the main power device, the power generated by the photovoltaic power generation panel,
A case cover formed so that the case of the transmission device can be stored from above avoiding the installation bracket;
A solar power generation panel that is installed on the upper part of the case of the transmission device via the case cover and receives sunlight to generate power;
A first terminal for connecting the terminal-side transmission line, and a second terminal for connecting to a terminal-side transmission line connection terminal provided in the transmission device via the transmission line, each of these terminals A power supply that passes a transmission signal between the terminals and synthesizes a power supply voltage supplied via the transmission line on the terminal side and a power supply voltage supplied via the photovoltaic power generation panel to output from the second terminal A supply section;
The power supply unit is housed in the case cover.

  According to a second aspect of the present invention, in the power supply device for a transmission device according to the first aspect, the power supply unit is provided with a power supply circuit that stabilizes the power supply voltage output from the second terminal. Features.

  The power supply apparatus according to the present invention includes a case cover that is formed so that the case of the transmission device can be stored from above while avoiding the installation bracket, and the photovoltaic power generation panel is placed on the upper portion of the case of the transmission device via the case cover. It is supposed to be installed.

  For this reason, it can install easily on the case of a transmission apparatus, without searching for the installation place of a photovoltaic power generation panel. Therefore, a photovoltaic power generation panel can be installed and used as an auxiliary power source for transmission equipment that is already installed.

  In addition, the case cover has a first terminal for connecting the terminal-side transmission line and a second terminal for connecting to the terminal-side transmission line connecting terminal provided in the transmission device via the transmission line. The provided power supply unit is accommodated.

  And this power supply part passes a transmission signal between the 1st terminal and the 2nd terminal, and is supplied via the power supply voltage and solar power generation panel which are supplied via the terminal side transmission line. The power supply voltage is combined and output from the second terminal.

  For this reason, according to the power supply device of the present invention, the solar power generation panel can be provided as an auxiliary power supply even for a transmission device that does not include a terminal for inputting the power supply voltage from the solar power generation panel. Thus, energy saving using solar power generation panels can be promoted.

  According to the power supply device of the second aspect, the power supply unit is provided with the power supply circuit that stabilizes the power supply voltage supplied to the transmission device from the second terminal, so that the operation of the transmission device is stabilized. For example, it is possible to prevent the television broadcast signal transmitted to the terminal side from being deteriorated due to, for example, an instantaneous power interruption.

It is explanatory drawing showing the structure of the whole power supply device of embodiment. It is a circuit diagram showing the structure of the power supply part accommodated in the case cover of the power supply device.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, a power supply device 2 according to the present embodiment is used by being attached to a reception signal amplification device (hereinafter referred to as a booster) 6 attached to a support column 4 together with a reception antenna or the like. And a case cover 10 formed to correspond to the outer shape of the case 8.

  The case cover 10 has a box shape with an open bottom. The case cover 10 covers the case 8 from above in a state where the booster 6 is attached to the support column 4 via a mounting bracket 8 a fixed to the back surface of the case 8. The back surface side of the case 8 provided with the mounting bracket 8a is greatly cut away.

  Above the case cover 10, a photovoltaic power generation panel 12 is provided with a predetermined inclination in order to receive sunlight efficiently. Inside the case cover 10, a power supply unit 20 is accommodated. Has been.

  In order to increase the light receiving area of sunlight, the photovoltaic power generation panel 12 projects greatly toward the front side of the booster 6 and is inclined so that the tip thereof is downward. And the support part 14 for installing the solar power generation panel 12 in this way is integrally formed in the case cover 10 with the synthetic resin, and the solar power generation panel 12 is light-receiving surface in this support part 14 Is stored facing upward.

  Next, as shown in FIG. 2, an output terminal (first terminal) 22 for connecting a terminal side transmission line (coaxial cable) and the transmission line (coaxial cable) are connected to the power supply unit 20. In order to do so, an input terminal (second terminal) 24 for connecting to a terminal (that is, an output terminal for a received signal) provided in the booster 6 is provided.

  The two terminals 22 and 24 are configured by F-type plugs, like the terminals provided in the booster 6, and are assembled in a terminal box 16 formed integrally with the case cover 10.

  The power supply unit 20 also includes a capacitor 26 that passes a reception signal input from the booster 6 to the input terminal 24 to the output terminal 22 side and blocks the passage of the DC signal component, and a main power supply device (see FIG. A power supply separation filter 28 for taking in a power supply voltage (DC voltage) transmitted from the output terminal 22 from the output terminal 22 is provided.

  In addition, the power supply unit 20 is connected to the input side of each voltage in order to synthesize the power supply voltage from the main power supply device separated by the power supply separation filter 28 and the DC voltage generated by the photovoltaic power generation panel 12. There are provided diodes 30 and 32 for preventing backflow, in which the anode is connected and the cathodes are connected to each other. The voltage output side (that is, the cathode) of the diodes 30 and 32 is connected to the input terminal 24 via the power supply superimposing circuit 34.

  Therefore, if a terminal-side transmission line is connected to the output terminal 22 and a terminal-side connection terminal (output terminal for received signal) of the booster 6 is connected to the input terminal 24, the terminal from the power supply unit 20 to the booster 6 The power supply voltage (DC voltage) transmitted from the main power supply device on the side and the DC voltage generated by the photovoltaic power generation panel 12 are synthesized and output, and the received signal amplified by the booster 6 is transmitted on the terminal side Will be output to the line.

  The power supply separation filter 28 includes a choke coil 28a provided between the output terminal 22 and the anode of the diode 30, and a capacitor 28b provided at a connection point between the choke coil 28a and the diode 30 and grounded at one end. It is a well-known thing consisting of.

  Similarly to the power supply separation filter 28, the power supply superimposing circuit 34 is a well-known circuit comprising a choke coil 34a and a capacitor 34b. The difference from the power supply separation filter 28 is that the other end of the capacitor whose one end is grounded is It is only a point connected to the output side (cathode) of each diode 30 and 32.

  As described above, the power supply device 2 of the present embodiment is provided with the case cover 10 that covers the case 8 of the booster 6 from above and stores the booster 6 therein, and the photovoltaic power generation panel 12 is provided above the case cover 10. Is fixed.

  For this reason, according to the power supply device 2 of this embodiment, it can install easily on the case 8 of the booster 6, without searching the installation place of a photovoltaic power generation panel. Therefore, the solar power generation panel 12 can also be installed and used as an auxiliary power source for the booster 6 that has already been installed on a support pole, a utility pole, or the like.

  Further, the case cover 10 has an output terminal (first terminal) 22 for connecting a transmission line on the terminal side, and an input terminal (second terminal) 24 for connecting to a reception signal output terminal of the booster 6. In the case cover 10, the received signal is passed between these terminals 22, 24, and the power supply voltage (DC voltage) supplied from the terminal side and the DC voltage generated by the photovoltaic power generation panel 12 are Is stored, and the power supply unit 20 that outputs to the booster 6 from the input terminal 24 is stored.

  For this reason, according to the power supply device 2 of this embodiment, even if the booster 6 is not provided with a terminal for inputting the power supply voltage from the photovoltaic power generation panel 12, the photovoltaic power generation panel 12 is provided as an auxiliary power supply. Energy saving using the photovoltaic power generation panel 12 can be promoted.

  When the power supply voltage supplied from the terminal side and the power supply voltage generated by the photovoltaic power generation panel 12 are combined by the two diodes 30 and 32 and supplied to the booster 6 as in the present embodiment, If the output voltage from the photovoltaic power generation panel 12 is lower than the power supply voltage supplied from the terminal side, the booster 6 operates with the power supplied from the terminal side, and the power consumption of the main power supply device cannot be suppressed. It is necessary to use the panel 12 whose output voltage is higher than the power supply voltage from the terminal side.

As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, A various aspect can be taken in the range which does not deviate from the summary of this invention.
For example, in the above-described embodiment, the power supply unit 20 simply combines the power supply voltage supplied from the terminal side and the power supply voltage generated by the photovoltaic power generation panel 12 with the two diodes 30 and 32 and supplies the booster 6 to the booster 6. Although described as output, a power supply circuit that generates a DC constant voltage suitable for driving the booster 6 from the combined power supply voltage may be incorporated.

And if it does in this way, the booster 6 can be operated more stably, for example, it can prevent that the television broadcast signal transmitted to the terminal side by the power supply interruption etc. deteriorates.
In the above embodiment, it has been described that the case cover 10 simply covers the case 8 of the booster 6, but the case cover 10 may be firmly fixed to the case 8 of the booster 6. Needless to say, an engaging protrusion and a fixing metal fitting are provided as appropriate.

  Moreover, in the said embodiment, although the case cover 10 was demonstrated as what is formed corresponding to the external shape of the booster 6, in order to improve the versatility of the power supply device 2, the case cover 10 is variously marketed. It may be formed so as to be covered with a booster or various transmission devices other than the booster, and the target transmission device may be fixed with an auxiliary tool.

  DESCRIPTION OF SYMBOLS 2 ... Power supply device, 4 ... Support | pillar, 6 ... Booster, 8 ... Case, 8a ... Mounting bracket, 10 ... Case cover, 12 ... Solar power generation panel, 14 ... Support part, 20 ... Power supply part, 22 ... Output terminal, 24 ... input terminal, 26 ... capacitor, 28 ... power supply separation filter, 30, 32 ... diode, 34 ... power supply superposition circuit.

Claims (2)

It is installed outdoors via an installation bracket fixed to the case, operates by receiving power from the main power supply device on the terminal side via the transmission line, processes a television broadcast signal, and transmits the transmission line on the terminal side A transmission device that supplies power to the transmission device as auxiliary power for the power supplied from the main power device, the power generated by the photovoltaic power generation panel,
A case cover formed so that the case of the transmission device can be stored from above avoiding the installation bracket;
A solar power generation panel that is installed on the upper part of the case of the transmission device via the case cover and receives sunlight to generate power;
A first terminal for connecting the terminal-side transmission line, and a second terminal for connecting to a terminal-side transmission line connection terminal provided in the transmission device via the transmission line, each of these terminals A power supply that passes a transmission signal between the terminals and synthesizes a power supply voltage supplied via the transmission line on the terminal side and a power supply voltage supplied via the photovoltaic power generation panel to output from the second terminal A supply section;
And a power supply device for transmission equipment, wherein the power supply unit is housed in the case cover.   The power supply device for a transmission device according to claim 1, wherein a power supply circuit that stabilizes a power supply voltage output from the second terminal is provided in the power supply unit.

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