JPH08148869A - Electronic equipment containing box - Google Patents

Abstract

PURPOSE: To prevent ambient temperature of contained electronic equipment from exceeding the allowable operational temperature. CONSTITUTION: A cooling fan 12, a power supply unit 13, a contained equipment recognition system 15 and a fan drive control device 16 are contained inside an electronic equipment box 11 while an electronic equipment 17 is quick disconnectably contained in a specific position. Said recognition system 15 receives the interface signals outputted from the electronic equipment 17 in case of containment to discriminate the model types. The fan drive-control device 16 previously stores the allowable operational temperature of electronic equipment 17 or the optimum revolution of the cooling fan 12 corresponding to the operational requirements so as to read out the optimum revolution of the cooling fan 12 corresponding to the model types of the electronic equipment recognized by said system 15 so that the drive current from the power supply unit 13 to the cooling fan 12 may be controlled to turn the cooling fan 12 at the optimum revolution.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device housing box which is used for devices having a CPU such as a computer and which houses various function expanding electronic devices.

[0002]

2. Description of the Related Art Generally, in a device having a CPU such as a computer, various electronic devices for function expansion such as an input device, an output device and an auxiliary storage device for data recording are housed in an electronic device housing box. .

An example of a conventional electronic device housing box is shown in FIG.
Shown in In the figure, reference numeral 1 is an electronic device housing box, which has a cooling fan 2 and a power supply unit 3 built therein.
An arbitrary electronic device 4 can be detachably accommodated in a predetermined position.

In the electronic device housing box 1 for such an application, in order to maintain the ambient temperature of the electronic device 4 housed therein at an allowable operating temperature of the device, a cooling fan is provided and the electronic device housing box 1 operates at a constant rotation speed. It is common to prevent the temperature of the contained equipment from rising.

However, in the conventional electronic equipment housing box as described above, it is premised that the housing equipment is used within an allowable temperature range that can be guaranteed by the cooling fan, and a constant rotation is performed regardless of the type of the housing equipment. Since the cooling fan is operated depending on the number, it may be cooled more than necessary, and there is a disadvantage that unnecessary power consumption occurs.

Here, as the prior art, for example, the actual exploitation 6
No. 0-143373 (Microfilm of Japanese Patent Application No. 59-31485, hereinafter referred to as Prior Art 1),
The electronic device, which is a test piece, is housed in the box frame and operated, and the generated heat of the electronic device itself is used to set the environmental test state, so that the electronic device is assembled according to the size and the current state of the installation location. Further, there is disclosed a "simple type constant temperature bath" capable of performing a temperature test in a place where the electronic device is placed without moving.

Further, in Japanese Patent Laid-Open No. 58-21175 (hereinafter referred to as prior art 2), a high temperature / low temperature cycle test is programmed by controlling an environmental condition of a temperature test of a printed board unit by a control unit. A "temperature test device" is disclosed that is automatically controlled to efficiently perform a test operation.

[0008]

As described above, in the conventional electronic equipment housing box, it is premised that the housing equipment is used within the allowable temperature range that can be guaranteed by the cooling fan, and the type of the housing equipment is changed. Nevertheless, since the cooling fan is operated at a constant rotation speed, there is a drawback in that power is consumed due to excessive cooling.

The present invention has been made to solve the above-mentioned problems, and can prevent the ambient temperature of the accommodated electronic equipment from exceeding the allowable operating temperature, and use the accommodated equipment with high reliability. An object is to provide a possible electronic device housing box.

Here, in the above-mentioned prior art 1, an electronic device as a test body is housed in a box frame and operated, and the heat generated by the electronic device itself is used to set an environmental test state. Disclosed is the invention of a tank, and suggests a technical idea of the present invention that enables to satisfy temperature protection conditions according to the type of housing equipment in a box that houses a plurality of types of electronic equipment in one However, it is based on a technical idea which is completely different from the present invention.

Further, the prior art 2 discloses a "temperature test device" for automatically performing a high temperature / low temperature cycle test under program control. There is no specific description suggesting the technical idea of the present invention that makes it possible to satisfy the temperature protection condition, and the technical idea is completely different from the present invention.

[0012]

In order to achieve the above object, an electronic device housing box according to the present invention comprises: (1) an electronic device housing portion which receives a model-specific interface signal from the electronic device when housing the electronic device. A cooling fan arranged near the electronic device housing, a housing device recognition unit for recognizing the type of the electronic device housed by an interface signal from the electronic device housed in the electronic device housing, and the electronic device An optimal rotation speed of the cooling fan is stored in advance from the allowable operating temperature or operating condition of the electronic device housed in the housing unit, and the cooling fan corresponds to the type of the electronic device recognized by the housing device recognition means. And a fan drive control means for rotating the cooling fan at that rotation speed.

Further, (2) each accommodates an electronic device,
A plurality of electronic device accommodating portions that receive a model-specific interface signal from the electronic device at the time of accommodation, a plurality of cooling fans arranged for each of the plurality of electronic device accommodating portions, and a plurality of electronic device accommodating portions Optimizing the cooling fan based on the accommodating device recognition means for recognizing the type of the electronic device accommodated by the interface signal from the electronic device and the allowable operating temperature or operating condition of the electronic device accommodated in the plurality of electronic device accommodating portions. A fan that stores the number of revolutions in advance, reads the optimum number of revolutions of the cooling fan corresponding to the type of the electronic device recognized by the containing device recognizing means, and rotates the corresponding cooling fan at that number of revolutions. Drive control means.

[0014]

In the electronic equipment housing box having the above-mentioned configuration (1), when the electronic equipment is housed, the housing equipment recognition means discriminates the model of the housed electronic equipment, and the fan drive control means recognizes the electronic equipment. The cooling fan is driven and controlled to achieve the optimum rotation speed for the equipment.

Further, in the electronic equipment housing box having the above-mentioned configuration (2), when a plurality of electronic equipments are housed, the housing equipment recognizing means determines the type of the electronic equipment, and the fan drive control means recognizes the electronic equipment. The cooling fans corresponding to the respective electronic devices are drive-controlled so that the rotational speed becomes optimum for the electronic device.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing the internal structure of an electronic device housing box when a magnetic disk drive device is added as an embodiment of the present invention.

In FIG. 1, 11 is an electronic equipment housing box, inside which a cooling fan 12 and a power supply unit 1 are provided.
3, a storage device recognition device 15 for recognizing the type of storage device, and a fan drive control device 16 for controlling the number of rotations of the cooling fan 12, and a magnetic disk drive device as an electronic device at a predetermined position. 17 can be detachably accommodated.

The accommodating device recognizing device 15 takes in an interface signal output from the magnetic disk drive device 17 at the time of accommodating to determine the model, and the recognition result is sent to the fan drive control device 16. The fan drive control device 16 stores in advance the optimum rotation speed of the cooling fan 12 corresponding to the allowable operating temperature or operating condition of the magnetic disk drive device 17, and the electronic device recognized by the housing device recognition device 15 is stored. The optimum rotation speed of the cooling fan 12 corresponding to the type is read, and the power supply unit 13 is set so that the cooling fan 12 rotates at the rotation speed.
Drive current to the cooling fan 12 is controlled.

That is, in the electronic equipment housing box 11 having the above structure, when the magnetic disk drive device 17 is housed, the housing equipment recognition device 15 determines the model of the magnetic disk drive device 17, and the fan drive control device 16 The cooling fan 1 so that the rotation speed becomes optimum for the magnetic disk drive device 17 recognized by
2 is driven and controlled.

Therefore, according to the above configuration, it is possible to prevent the ambient temperature of the housed magnetic disk drive device 17 from exceeding the allowable operating temperature, and to use the magnetic disk drive device 17 with high reliability. be able to.

FIG. 2 is a block diagram showing a peripheral equipment housing box having a plurality of cooling fans as another embodiment of the present invention. In FIG. 2, the same parts as those in FIG. 1 are designated by the same reference numerals, and different parts will be described here.

In FIG. 2, the electronic equipment housing box 11 is shown.
a is the first to third magnetic disk drive devices 171 to 171
173 can be accommodated, and the first to third cooling fans 121 to 123 are arranged in the vicinity of the respective accommodating portions.

The accommodating device recognizing device 15a has a first
The first to third interface signals output from the third to third magnetic disk drive devices 171 to 173 are fetched to determine the respective models. On the other hand, the fan drive control device 16a uses the first to third cooling fans 1 corresponding to the allowable operating temperatures or operating conditions of the first to third magnetic disk drive devices 171 to 173 in advance.
The optimum rotation speeds of 21 to 123 are stored, and the optimum rotation speeds of the first to third cooling fans 121 to 123 corresponding to the types of electronic devices recognized by the housing device recognition device 15a are read out, The power supply unit 1 is configured so that the first to third cooling fans 121 to 123 rotate at the rotation speed.
The drive current from 3a to the 1st thru | or 3rd cooling fans 121-123 is controlled.

That is, in the electronic equipment housing box 11a having the above structure, when the plurality of magnetic disk drive devices 171 to 173 are housed, the housing equipment recognition device 15 causes the magnetic disk drive devices 171 to 123.
Then, the fan drive control device 16a drives and controls the cooling fans 121 to 123 corresponding to the disc drive devices 171 to 173, respectively, so that the rotation speed becomes optimum for the recognized disk drive devices 171 to 173.

Therefore, according to the above configuration, it is possible to prevent the ambient temperature of the accommodated magnetic disk drive devices 171 to 173 from exceeding the allowable operating temperature.
173 can be used with high reliability.

As is apparent from the above description, according to the electronic device housing box of the present invention, the housing device recognition device detects the types of the plurality of electronic devices to be added, and the allowable operating temperature of each electronic device is detected. Is satisfied, and there is an effect of preventing unnecessary power consumption of the cooling fan.

The present invention is not limited to the above embodiment, and the number of contained electronic devices, the number of cooling fans, etc. may be arbitrary. Further, it goes without saying that various modifications can be made without departing from the scope of the present invention.

[0029]

As described above, according to the present invention, it is possible to prevent the ambient temperature of the housed electronic device from exceeding the allowable operating temperature, and to use the housed device with high reliability. A device housing box can be provided, and an electronic device housing box that can be used with high reliability can be provided.

[Brief description of drawings]

FIG. 1 is a block diagram of an electronic device housing box according to an embodiment of the present invention.

FIG. 2 is a block diagram of an electronic device housing box as another embodiment of the present invention.

FIG. 3 is a block diagram of an electronic device housing box as a conventional example.

[Explanation of symbols]

1,11,11a Electronic device housing box 2,12,121-123 Cooling fan 3,13,13a Power supply unit 4 Electronic device 15,15a Housing device recognition device 16,16a Fan drive control device 17,171-173 Magnetic disk Drive device (electronic device)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location H05K 5/00 Z 7301-4E

Claims (2)

[Claims] 1. An electronic device housing portion that receives a model-specific interface signal from the electronic device when the electronic device is housed, a cooling fan disposed near the electronic device housing portion, and an electronic device housing portion housed in the electronic device housing portion. Optimum rotation speed of the cooling fan based on the accommodating device recognition means for recognizing the type of the electronic device accommodated by the interface signal from the electronic device and the allowable operating temperature or operating condition of the electronic device accommodated in the electronic device accommodating section. And the fan drive control means for rotating the cooling fan at the rotation speed by reading the optimum rotation speed of the cooling fan corresponding to the type of the electronic device recognized by the housing device recognition means. An electronic equipment housing box, comprising: 2. A plurality of electronic device accommodating portions for accommodating electronic devices respectively and receiving a model-specific interface signal from the electronic devices at the time of accommodating, and a plurality of cooling fans arranged for each of the plurality of electronic device accommodating portions. An accommodating device recognition means for recognizing the type of the electronic device accommodated by an interface signal from the electronic device accommodated in the plurality of electronic device accommodating parts, and an allowable operation of the electronic device accommodated in the plurality of electronic device accommodating parts. The optimum rotation speed of the cooling fan is stored in advance from the temperature or the operating condition, and the optimum rotation speed of the cooling fan corresponding to the type of the electronic device recognized by the housing device recognition means is read out and the rotation speed is read. An electronic device housing box, comprising: a fan drive control unit for rotating a cooling fan corresponding to each number.