JPH03183304A - Power receiving device - Google Patents

Abstract

PURPOSE:To make it possible to mount a package, in which a circuit element is housed on a printed board, by providing two or more pairs of power receiving terminals, dividing each part of a device only by a number corresponding that of the power receiving terminals, suppressing required power per power receiving terminal and supplying a current to each part of the device. CONSTITUTION:In a device which receives supply of a current from a primary power system, a supplying power system in the device 1 is divided, and in a power receiving terminal part 4 connected with a load in the device 1 dispersed, two or more primary power side receiving terminals 9a, 9b are arranged being housed in line while electrically connected by using a short-circuiting plate 14a for electrically connecting these power receiving terminals 9a, 9b. Through holes for inserting mounting screws 8a, 8b, provided in the power receiving terminal part 4, are provided in this short-circuiting plate 14a, and it is screw-fastened to the power receiving terminal part 4 by inserting each mounting screw 8a, 8b into these through holes.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power receiving device applied to a transmission device or exchanger that operates by receiving primary power from a power supply system.

[Conventional technology]

Figure 7 is a diagram showing the configuration of this type of power supply device.
Figure a) is an oblique view, and figure (b) is a rear view. In the figure, this power supply device (hereinafter referred to as the device) 1 has n parts on the front side, for example, six units 2I, 22.
．． ..., 26, each unit) 2+
, 22. ..., 26 has power panels 31° and 32, respectively.
..., 36 are attached. Also, this device 1
A power receiving terminal section 4 for connecting the primary power source is attached to the back side of the power source, and a fuse section 5 for preventing overcurrent of the primary power source is further attached to the front side. and,
The primary power supply cable 6 of the power supply system is connected to the power receiving terminal section 4
The primary power from the power receiving terminal section 4 is wired to each power supply panel 3I to 361 via the fuse section 5, and
- 36, the structure is such that the power supply is changed to the one required for each unit 21-26.

FIG. 8 shows a conventional configuration of the power receiving terminal section 4 of the device 1 shown in FIG. In the same figure, the power supply cable 6 connected to the primary power supply system has crimp terminals T1 and 7b attached to the tip thereof, and the crimp terminals 7m and 7b are connected to the power receiving terminal section 4. There are through-holes through which the provided mounting screws 8m and 8b are inserted, respectively. 1. Insert each mounting screw 8m and 8b into the through-hole, and connect the mounting screw 8a to the primary power source side of the power receiving terminal section 4. Tighten the screws to the power receiving terminal 9. Furthermore, the mounting screw 8b is tightened to the primary power source side grounding terminal 10 of the power receiving terminal section 4. As a result, the primary power supply system and the device ft1 that receives current from the primary power supply system are connected by the power supply cable 6.

FIG. 9 shows the power supply system within the device 1 shown in the seventh example. As shown in the figure, the primary power supply connected to the power receiving terminal section 4 is transmitted from the power receiving terminal 11 inside the device to the power supply system 12 to each unit 21 to 26 in the device via the fuses 51 to 56 of the fuse section 5. Each installed power supply panel 31~
36.

Primary power supply side power receiving terminal 9 provided in the power receiving terminal section 4 of the housing
has a structure in which it is electrically connected to the power receiving terminal 11 inside the device, and furthermore, the ground terminal 10 on the primary power supply side has a structure in which it is electrically connected to the ground terminal 13 inside the device.

[Problem to be solved by the invention]

However, some power supply devices that receive current from a primary power supply system consume a large amount of current due to high-density packaging. Conventionally, there was a problem that the current supply capacity per system exceeded the permissible current per system of the primary power system, which had a small current supply capacity, and it became impossible to mount all the packages containing circuit elements on the printed circuit board. Ta.

[Means to solve the problem]

In order to solve these problems, the present invention provides a plurality of pairs of power receiving terminals and divides each part (unit) of the device by the number of pairs of power receiving terminals to reduce the power required for each power receiving terminal. It supplies current to each part of the circuit.

Another invention of the present invention is to supply current to each part of the device by connecting the power receiving terminals to each other using a short circuit board that electrically conducts the plurality of pairs of power receiving terminals. .

[Effect]

In accordance with the present invention, when supplying current from a primary power supply system that has a small current supply capacity per system, the power supply system that supplies the equipment is divided into multiple power receiving terminals and grounded to distribute the load. By connecting a power supply cable connected to the primary power supply system to each terminal to reduce the power required for each power receiving terminal and supplying current to each part of the device, it is possible to reduce the amount of power required for each power receiving terminal and supply current to each part of the device. It will be possible to receive power from In addition, when supplying current from a primary power supply system with a large current supply capacity per system, use an electrically conductive shorting plate to connect the power receiving terminals for the loads that can be supplied with current from the primary power supply system. By connecting a power supply cable connected to the primary power system to one of the electrically connected power receiving terminals and the ground terminal, it is possible to receive current from the primary power system.

〔Example〕

Embodiments of the present invention will be described in detail below with reference to the drawings.

(Example 1) A first example will be described using FIG. 1, FIG. 2, and FIG. 3.

Figure 1 shows the power supply structure of a device that receives current from a primary power source that has a small current supply capacity per system. The power receiving terminal section 4, which is connected by dividing the power supply system to distribute the load within the device 1, includes a plurality of primary power supply side power receiving terminals 9m+9b& and a primary power supply side grounding terminal 10.
A plurality of power receiving terminals 9m, 9b and a grounding terminal 10a are arranged in an aligned manner.

By connecting power supply cables 6m and 6b, which are respectively connected to the primary power supply system, to 10b, current is supplied to the device 1 that receives current from the primary power supply system.

Figure 2 shows the power supply structure of a device that receives current from a primary power source that has a large current supply capacity per system. The power receiving terminal unit 4, which is connected by dividing the power supply system that supplies the power to the device 1 and distributing the load within the device 1, includes a plurality of primary power source side power receiving terminals B&.

The power receiving terminals 9m and 9b are electrically connected using a shorting plate 14m that is electrically conductive. This shorting plate 14a is provided with through holes for inserting the mounting screws 8a and 8b provided in the power receiving terminal section 4, and the respective mounting screws 8m and 8b are inserted into these through holes to connect the power receiving terminal. It has a structure that is screwed to part 4.

Therefore, by connecting the power supply cable 6& connected to the primary power system to one terminal 9m and the ground terminal 10m of the mutually connected power receiving terminals shown in Fig. 2, it is possible to receive current from the primary power system. Electric current is supplied to the device 1.

Fig. 3 shows the power supply structure in the device 1 of the device that receives current from the primary power supply system, and the current supply capacity of each system is shown in the power receiving terminals 9a to 9d on the primary power supply side of the power receiving terminal section 4. Connect a small primary power supply system (see Figure 1) or connect a primary power supply system with a large current supply capacity for each system (second
The power source (see figure) is connected to the power receiving terminal 11m, 1 inside the device.
A power supply system 12m that distributes the load within the device 1 from 1b,
12b, power panels 3, to 36 arranged in each unit 21 to 26 in the device 1 via each fuse 51 to 5s.
and distributed to each part.

(Example 2) A second example will be described using FIGS. 4, 5, and 6. The second embodiment is an embodiment in which the power supply system in the first embodiment is duplicated.

Figure 4 shows a case in which current is supplied from a primary power supply system with a small current supply capacity per system to a device that receives current. A plurality of primary power supply side power receiving terminals 9a are divided and arranged and accommodated in the power receiving terminal section 4 which is connected while distributing the load within the device 1.
Power supply cables 6 & ~6d connected to the primary power system to ~9d and their ground terminals 10~10d, respectively.
When connected, current is supplied to the device [1] which receives current from the primary power supply system.

FIG. 5 shows a case in which power is supplied to a device 1 that receives current from a primary power supply system that has a large current supply capacity per system. The power receiving terminal section 4, which is connected by dividing the power supply system that supplies the device 1 and distributing the load within the device 1, has a plurality of primary power source side power receiving terminals 9-9d aligned and arranged. The power receiving terminal 9 is connected to the power receiving terminal 9 using two short-circuiting plates 14m and 14b that are electrically connected to each other and electrically conductive to the power receiving terminals 9a to 9d.
A and 9b and power receiving terminals 9c and 9d are electrically connected to each other and are screwed together using mounting screws 8a to 8d. Therefore, the power supply cable 6& connected to the primary power system is connected to one terminal 9a> and the ground terminal 10m of the mutually connected power receiving terminals shown in FIG. 5, and further one terminal of the mutually connected power receiving terminals By connecting the power supply cable 6b connected to the primary power supply system to 9C and the ground terminal 10C, current is supplied to the device 1 that receives current from the primary power supply system.

Figure 6 shows the power supply structure within the device 1 that receives current from the primary power supply system. Connect a small primary power supply system (see Figure 4) or connect a primary power supply system with a large current supply capacity per system (see Figure 5)
The power source is connected to the power supply system 12a from the power receiving terminals 11a to 11d.
, 12b and power supply system 12(!, 12d), and furthermore, power supply system 12m and 12b, power supply system 12e and 1
2d, each unit 21 to 26 in the device 1 is connected to each unit 21 to 26 in the device 1 via fuses 51 to 512.
The power is supplied to the power supply panels 31 to 3G arranged in , and distributed to each part.

〔Effect of the invention〕

As explained above, the present invention provides a method for attaching a button to a power receiving device that receives current, installing a plurality of pairs of power receiving terminals, and dividing each part (unit) of the device by the number of pairs of power receiving terminals into one power receiving terminal. Since this system supplies current to each part of the device while reducing the power required, it becomes an appropriate load for the conventional primary power supply system, which has a small current supply capacity per system, and is suitable for devices that require large amounts of power. It becomes possible to receive power.

In addition, when supplying current from a primary power supply system that has a large current supply capacity per system, connect the power receiving terminals to each other using a shorting plate that electrically conducts the power receiving terminals that distribute the device load. This makes it an appropriate load for the primary power supply system, making it possible to supply current with a pair of power cables as in the conventional case.

Furthermore, by duplicating the power supply system from the primary power supply system in a power receiving device that receives current from the primary power supply system, even if one power supply system is cut off, it can be maintained intermittently without affecting the inside of the device. It is possible to receive current supply.

[Brief explanation of drawings]

1, 2, and 3 are diagrams for explaining an embodiment of the power supply device according to the present invention, and FIGS. 4, 5, and 6
The figure is a diagram explaining another embodiment of the present invention, FIG. 7 (&)
, (b) is a diagram showing the overall configuration of the power receiving device according to the present invention, FIG. 8 is a perspective view of the power receiving terminal section of the conventional power receiving device, and FIG. 9 is a diagram illustrating the internal power supply system of the conventional device. It is. 1...Power receiving device (device), 21-2.・・・・・・
Unit, 31-36... Power supply board, 4... Power receiving terminal section, 5... Fuse section, 51-512...
Fuse, 6.6a~6d...Power supply cable, 7 m''-□ 7h...Crimp terminal, 8a~8
h...Screw, 9&~9d...Primary power supply side receiving terminal, 10m=10d...Grounding terminal, 11a~t1d
...Power receiving terminal inside the device, 12a to 12d...Power supply system, 13m, 13b...Grounding terminal inside the device,
14m, 14b...Short circuit board.

Claims (3)

[Claims] (1) Receive the primary power from the power supply system to the power receiving terminal, supply the primary power from the power receiving terminal to n parts (n≧1) of the device, and in those parts convert the primary power to the required secondary power In the power receiving device that converts the primary side power receiving terminal into m pairs (m≧
2) At the same time, a supply means is provided for dividing the n parts into m parts and supplying primary power to the m divided parts independently from the m pairs of power receiving terminals, and among the m pairs of primary power receiving terminals. A power supply device characterized in that a connection means is provided for connecting terminals of the same polarity to each other. (2) In the power supply device according to claim 1, n≦6,
A power supply device characterized in that m=2. (3) In the power supply device according to claim 1, n≦6,
A power supply device characterized in that m=4 and the connection between the power supply device and the power supply device is redundant.