JPH0962407A - Electronic equipment system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the electronic equipment system which has high productivity and is superior in operability and safety. SOLUTION: Of the electronic equipment system consisting of a unit which has a plurality of electronic components mounted and performs specific processes and a housing equipped with a mother board where a plurality of units are mounted freely detachably, the back board 1 is equipped with a power source A and a power source B and supplies the electric source A by wires 100 and 102 and the power source B by wires 104 and 102. Further, A unit 3 which operates with the power source A when mounted on the back board 1 is connected to the wires 100 and 102 and a unit 5 which operates with the power source B when mounted on the back board 1 is connected to the wire 104 and 102.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic equipment system, and more particularly to an electronic equipment system in which a plurality of electronic units are detachably mounted on a motherboard.

[0002]

2. Description of the Related Art For example, in an electronic equipment system such as a pager transmission device, a base station of a mobile communication system or a mobile communication control station, a single unit having a predetermined function is mounted on a mother board as needed. There is. By adopting such a structure that the single unit is detachably attached to the motherboard, it is possible to appropriately select the single unit according to the system and increase or decrease the number according to the system scale. Also, if a failure occurs, you only need to replace the failed single unit,
It is also excellent in maintenance. Further, even if a new function is added, it is sufficient to mount a single unit with the new function added without having to renew the entire apparatus, so that there is great flexibility in terms of operation.

FIG. 2 or 3 is a block diagram showing an electronic device system of this type. In FIG. 2, the backboard 6 supplies, for example, a power supply A of -48V to the units 7-1, 7-
2 ,. . . It is a motherboard to be supplied to. Unit 7
-1, 7-2 ,. . . Is a power supply A supplied from the backboard 6 with electronic components corresponding to the power supply A mounted on the substrate 70.
By the operation of the electronic component, predetermined processing is performed. The erroneous connection prevention mechanism 60 protects the unit 7 so as not to be mechanically erroneously connected.

Similarly, in FIG. 3, the backboard 8 supplies a power supply B of -21 V to the units 9-1, 9-, for example.
2 ,. . . It is a motherboard to be supplied to. Unit 9
-1, 9-2 ,. . . Is a power source B supplied from the backboard 6 with electronic components corresponding to the power source B mounted on the substrate 90.
The predetermined processing is performed by the operation. The erroneous connection prevention mechanism 80 prevents the unit 9 from being mechanically erroneously connected.
Protects.

[0005]

However, in such a conventional technique, since the backboard of the rack for accommodating the units can supply only a single power, the shape and size of the connectors of the units to be mounted are the same. Even in the case, I had to prepare a rack for each power supply. Therefore, there is a problem that the productivity of the rack that stores the unit is low.

Further, conventionally, since units of different power sources have the same shape and size of the connector, it is structurally possible to mount the unit 9 on the backboard 6, for example. Therefore, the unit 9 is accidentally attached to the backboard 6 to damage the unit 9, or the backboard 8 is mistakenly damaged.
There was a case where the unit 7 was attached to the above and the unit 7 malfunctioned and it was judged as a defective product. This is highly likely to occur when both the backboard 6 and backboard 8 systems are installed and both units are added.

For example, if the shape of the connector or the like is made different depending on the unit of different power source, accident of wrong mounting can be prevented, but in this case, different parts are required, and productivity is deteriorated. Occurs.

An object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide an electronic apparatus system having high productivity, workability and safety.

[0009]

In order to solve the above-mentioned problems, the present invention comprises a unit on which a plurality of electronic components are mounted and performs a predetermined process, and a motherboard on which a plurality of the units are detachably mounted. In an electronic device system including a housing, the motherboard includes at least a first power source and a second power source, and the first power source is the first power source.
And the second power source is supplied from the second wiring circuit. In addition, the first unit that is operated by the first power supply includes a connection unit that is electrically connected to the first wiring circuit when mounted on the motherboard. The second unit that is operated by the second power supply includes a connecting unit that is electrically connected to the second wiring circuit when mounted on the motherboard.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of an electronic equipment system according to the present invention will be described in detail with reference to the accompanying drawings.

The electronic equipment system according to the present invention is a system applied to, for example, a pager transmission device, a base station of a mobile communication system, a mobile communication control station, or the like, and includes a backboard which is a mother board for supplying power and the like. A plurality of units are detachably mounted as daughter boards in the provided housing.

Referring to FIG. 1, there is shown a block diagram showing an embodiment of an electronic equipment system according to the present invention.
The back boat 1 is connected to, for example, a power supply A of −48V, a power supply B of −21V and a ground G, and the power supply A is a wiring 10.
0 are electrically connected to the plurality of connector terminals 110, the power source B is electrically connected to the plurality of connector terminals 114 via the wiring 104, and the ground G is electrically connected to the plurality of connector terminals 112 via the wiring 112. That is, the backboard 1
A plurality of connectors connected to the power source A, the ground G, and the power source B via the wirings 100, 102, and 104 are provided, and the unit 3 or the unit 5 is detachably attached to the connectors.

The unit 3 is a unit in which electronic components corresponding to the power supply A are mounted on the printed circuit board 30, and when mounted on the backboard 1, it performs a predetermined process. That is, the unit 3 includes the connector terminals 300 and 302, and when mounted on the backboard 1, the connector terminals 30 are provided.
0 is the connector terminal 110 of the backboard 1, the connector terminal 302 is the connector terminal 112 of the backboard 1,
Each is fitted so as to be electrically connected. When the unit 3 is mounted on the backboard 1 and the power supply is normal, the light emitting diode 32 indicating that the power A is normally supplied is turned on.

Similarly, the unit 5 is a unit in which electronic components corresponding to the power source B are mounted on the printed circuit board 50,
Predetermined processing is performed by being mounted on the backboard 1. That is, the unit 5 includes the connector terminals 502 and 50.
4 is mounted on the backboard 1, the connector terminal 502 is the connector terminal 112 of the backboard 1 and the connector terminal 504 is the connector terminal 11 of the backboard 1.
4 are fitted so as to be electrically connected to each other. When the unit 5 is mounted on the backboard 1 and the power supply is normal, the light emitting diode 52 indicating that the power B is normally supplied is turned on.

As described above, according to this embodiment, it is possible to receive a desired power supply regardless of which connector of the backboard 1 the unit 3 or the unit 5 is attached to. Therefore, it is not necessary to prepare the backboard 1 for each unit according to the power supply. Therefore,
Since it is sufficient to manufacture one type of common backboard, it is possible to improve productivity.

In explaining the embodiment of the present invention, the unit 3 is mounted on the same backboard 1 in FIG.
Although the unit 5 is attached, the units having different power supplies are not actually attached to the backboard 1 and a plurality of any one of the units 3 and 5 are attached. Since the conventional technique does not have the structure of this embodiment, when the wrong type of unit is mounted on the backboard 1, the unit is destroyed or malfunctions. However, in this embodiment,
Even if the wrong unit is mounted on the motherboard 1, the unit will not be destroyed or malfunction, so that it is possible to perform additional work of the unit without anxiety, and it can be expected to improve workability.

Also, in this embodiment, the backboard 1
Has a structure capable of supplying two types of power sources, a power source A and a power source B, but the present invention is not particularly limited to two types of power sources, and three or more types may be used.

[0018]

As described above, according to the electronic equipment system of the present invention, since it is not necessary to prepare a backboard for each unit having a different power supply, productivity can be improved. Further, even if the unit is erroneously mounted, the unit is not damaged or malfunctions, and the safety and workability are excellent.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of an electronic device system according to the present invention.

FIG. 2 is a configuration diagram showing an electronic device system in a conventional technique.

FIG. 3 is a configuration diagram showing an electronic device system in a conventional technique.

[Explanation of symbols]

 1 Backboard 3 Unit for power supply A 5 Unit for power supply B 110-114 Backboard side terminal 300, 302 Unit 3 side terminal 502, 504 Unit 5 side terminal

Claims (4)

[Claims] 1. An electronic device system comprising a unit having a plurality of electronic components mounted thereon and performing a predetermined process, and a housing having a motherboard to which a plurality of the units are detachably mounted, wherein the motherboard is At least a first power supply and a second power supply, wherein the first power supply is supplied by a first wiring circuit, and the second power supply is supplied by a second wiring circuit; The first unit which operates by means of the above-mentioned is provided with a connecting means which is electrically connected to the first wiring circuit when mounted on the motherboard, and the second unit which operates by the second power source is the mother board. An electronic device system, comprising: a connecting unit that is electrically connected to the second wiring circuit when mounted on the electronic device system. 2. The electronic device system according to claim 1, wherein the connecting means electrically connects the motherboard and the first unit, the motherboard and the second unit.
The electronic device system, wherein the connecting means for electrically connecting the unit is a connecting means having the same shape. 3. The electronic device system according to claim 1, wherein the electronic device system is applied to a pager transmission device. 4. The electronic equipment system according to claim 1, wherein the electronic equipment system is applied to either or both of a base station and a mobile communication control station of a mobile communication system. .