JPH01131978U - - Google Patents
Info
- Publication number
- JPH01131978U JPH01131978U JP2663988U JP2663988U JPH01131978U JP H01131978 U JPH01131978 U JP H01131978U JP 2663988 U JP2663988 U JP 2663988U JP 2663988 U JP2663988 U JP 2663988U JP H01131978 U JPH01131978 U JP H01131978U
- Authority
- JP
- Japan
- Prior art keywords
- detection sensor
- temperature detection
- calculation circuit
- voltage comparator
- abnormality
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図はその具体的な実施例を示す接続図、第
３図はこの考案の他の実施例を示す接続図である
。
１：電子機器の匣体、２：冷却装置、３：エア
フイルタ、４：外部温度検出センサ、５：内部温
度検出センサ、６：送風通路、７：アナログ演算
回路、８：電圧比較器、９：記憶手段、１２，１
３：警報手段。
FIG. 1 is a block diagram showing one embodiment of this invention, FIG. 2 is a connection diagram showing a specific embodiment thereof, and FIG. 3 is a connection diagram showing another embodiment of this invention. 1: Electronic equipment casing, 2: Cooling device, 3: Air filter, 4: External temperature detection sensor, 5: Internal temperature detection sensor, 6: Ventilation passage, 7: Analog calculation circuit, 8: Voltage comparator, 9: storage means, 12,1
3: Alarm means.
Claims (1)
ンサと、 Ｂ 電子機器の匣体内において、冷却用送風機で
送風される送風路上に設けられた内部温度検出セ
ンサと、 Ｃ これら外部温度検出センサと内部温度検出セ
ンサの検出温度の差を求めるアナログ演算回路と
、 Ｄ この演算回路から出力される温度差が規定値
以上に達したことを検出する電圧比較器と、 Ｅ この電圧比較器の検知出力によつて異常を知
らせる警報手段と、 によつて構成した冷却装置の異常検知装置。[Scope of Claim for Utility Model Registration] A. An external temperature detection sensor provided outside the electronic device case; B. An internal temperature detection sensor provided within the electronic device case on the air duct blown by a cooling blower. , C: an analog calculation circuit that calculates the difference in temperature detected by the external temperature detection sensor and the internal temperature detection sensor; D: a voltage comparator that detects that the temperature difference output from this calculation circuit has reached a specified value or more; E. An abnormality detection device for a cooling device, comprising: an alarm means for notifying an abnormality by the detection output of this voltage comparator;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2663988U JPH01131978U (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2663988U JPH01131978U (en) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131978U true JPH01131978U (en) | 1989-09-07 |
Family
ID=31248450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2663988U Pending JPH01131978U (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159635A (en) * | 1994-12-06 | 1996-06-21 | Nec Corp | Cooling device for electronic component parts |
| JP2007315634A (en) * | 2006-05-24 | 2007-12-06 | Mk Seiko Co Ltd | Cooled rice bin |
-
1988
- 1988-02-29 JP JP2663988U patent/JPH01131978U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159635A (en) * | 1994-12-06 | 1996-06-21 | Nec Corp | Cooling device for electronic component parts |
| JP2007315634A (en) * | 2006-05-24 | 2007-12-06 | Mk Seiko Co Ltd | Cooled rice bin |
| JP4602282B2 (en) * | 2006-05-24 | 2010-12-22 | エムケー精工株式会社 | Cooling rice |
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