JP3114660U - Fan failure detection device - Google Patents

Fan failure detection device Download PDF

Info

Publication number
JP3114660U
JP3114660U JP2005005463U JP2005005463U JP3114660U JP 3114660 U JP3114660 U JP 3114660U JP 2005005463 U JP2005005463 U JP 2005005463U JP 2005005463 U JP2005005463 U JP 2005005463U JP 3114660 U JP3114660 U JP 3114660U
Authority
JP
Japan
Prior art keywords
fan
sensor
power supply
failure detection
power
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.)
Expired - Fee Related
Application number
JP2005005463U
Other languages
Japanese (ja)
Inventor
猛 元谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Teli Corp
Original Assignee
Toshiba Teli Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Teli Corp filed Critical Toshiba Teli Corp
Priority to JP2005005463U priority Critical patent/JP3114660U/en
Application granted granted Critical
Publication of JP3114660U publication Critical patent/JP3114660U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

【課題】筐体内の配線を簡素化できるファン故障検知装置を提供する。
【解決手段】ファン11の電源ライン1aの中途部に、電源ライン1aに流れる電流を非接触で検出するセンサ13を設けた。
【選択図】図1
A fan failure detection device capable of simplifying wiring in a housing is provided.
A sensor 13 for detecting a current flowing through the power supply line 1a in a non-contact manner is provided in the middle of the power supply line 1a of the fan 11.
[Selection] Figure 1

Description

本考案は、冷却用のファンを備えた電子機器に用いて好適なファン故障検知装置に関する。   The present invention relates to a fan failure detection apparatus suitable for use in an electronic apparatus having a cooling fan.

従来、CPU等の発熱素子を実装したボードを内蔵する電子機器に於いては、機器の筐体内を冷却用のファンを用いて冷却することで機器を安定した状態で動作させる構成としたものが種々開発され使用されている。   Conventionally, in an electronic device incorporating a board mounted with a heat generating element such as a CPU, there is a configuration in which the device is operated in a stable state by cooling the inside of the device casing with a cooling fan. Variously developed and used.

この種の電子機器に於いては、上記冷却用ファンに異常が発生し、これに伴い筐体内の温度が過渡に上昇して、機器動作が異常状態に陥らないように、上記冷却用ファンが正常に動作しているか否かを監視する必要がある。   In this type of electronic equipment, the cooling fan is designed so that an abnormality occurs in the cooling fan and the temperature inside the casing rises transiently and the equipment operation does not fall into an abnormal state. It is necessary to monitor whether it is operating normally.

そこで、従来では、ファンに、異常を検出する機能回路を組み込んでおき、この回路の異常検知信号を制御部に送出してファンの異常に伴う機器制御を行っていた。このため、従来では、ファンに駆動電源を供給する電源ラインの配線に加えて、上記異常を検出する機能回路の配線が必要となり、筐体内の配線の煩雑化を招いていた。特に筐体に複数のファンを設けた構成では、ファンの増加に伴って、筐体内を引き回す配線が増加し、作業工数の増大並びに生産性の低下等を招くとともに、配線数の増大に伴って回路上に於ける電気ノイズ、信号干渉等の不具合が発生する頻度も高くなるという種々の問題があった。
特開2002−006991号公報
Therefore, conventionally, a functional circuit for detecting an abnormality is incorporated in the fan, and an abnormality detection signal of this circuit is sent to the control unit to perform device control associated with the abnormality of the fan. For this reason, conventionally, in addition to the wiring of the power supply line for supplying the driving power to the fan, the wiring of the functional circuit for detecting the abnormality is required, which causes the wiring in the housing to become complicated. In particular, in a configuration in which a plurality of fans are provided in the housing, as the number of fans increases, the wiring around the housing increases, leading to an increase in work man-hours and a decrease in productivity. There have been various problems that the frequency of occurrence of defects such as electrical noise and signal interference on the circuit increases.
JP 2002-006991 A

上述したように、従来では、ファン毎に、ファンの異常を検出する機能回路を組み込んだ構成であることから、ファンに駆動電源を供給する電源ラインの配線に加えて、上記異常を検出する機能回路の配線が必要となり、これに伴い、筐体内を引き回す配線が煩雑化して、作業工数の増大、生産性の低下等を招くとともに、配線数の増大に伴って回路上に於ける電気ノイズ、信号干渉等の不具合が発生する頻度も高くなる等、種々の問題があった。   As described above, conventionally, a function circuit that detects a fan abnormality is incorporated for each fan. Therefore, in addition to wiring of a power supply line that supplies driving power to the fan, a function that detects the abnormality is provided. Wiring of the circuit is necessary, and accordingly, the wiring around the casing becomes complicated, resulting in an increase in work man-hours, a decrease in productivity, etc., and electrical noise on the circuit as the number of wiring increases, There have been various problems such as the frequency of occurrence of defects such as signal interference.

本考案は上記実情に鑑みなされたもので、筐体内の配線を簡素化できるファン故障検知装置を提供することを目的とする。   The present invention has been made in view of the above circumstances, and an object thereof is to provide a fan failure detection device capable of simplifying wiring in a housing.

本考案は、ファンにファン駆動電源を供給する電源ラインと、前記電源ラインに流れる電流を前記電源ラインに非接触で検出するセンサと、前記センサの出力状態を監視し、前記ファンの異常を検出する制御部とを具備したファン故障検知装置を特徴とする。   The present invention provides a power supply line for supplying fan driving power to the fan, a sensor for detecting a current flowing through the power supply line in a non-contact manner, and monitoring an output state of the sensor to detect an abnormality of the fan. And a fan failure detection device including a control unit.

また、本考案は、複数のファンそれぞれに個別にファン駆動電源を供給する複数の電源ラインと、前記複数の電源ライン各々に対応して設けられ、対応する電源ラインに流れる電流を前記電源ラインに非接触で検出する複数のセンサと、前記各センサの出力状態を監視し、前記ファンの異常を個別に検出する制御部とを具備したファン故障検知装置を特徴とする。   Further, the present invention provides a plurality of power supply lines for supplying fan driving power to each of the plurality of fans individually, and a plurality of power supply lines corresponding to each of the plurality of power supply lines, and currents flowing through the corresponding power supply lines are supplied to the power supply lines. It is characterized by a fan failure detection device comprising a plurality of sensors that are detected in a non-contact manner, and a control unit that monitors the output state of each sensor and individually detects an abnormality of the fan.

また、本考案は、複数のファンにファン駆動電源を供給する、前記各ファンに共通の電源ラインと、前記電源ラインに流れる電流を前記電源ラインに非接触で検出するセンサと、前記センサの出力状態を監視し、前記ファンの異常を検出する制御部とを具備したファン故障検知装置を特徴とする。   In addition, the present invention provides a fan drive power supply to a plurality of fans, a power supply line common to the fans, a sensor for detecting a current flowing through the power supply line in a non-contact manner, and an output of the sensor A fan failure detection device comprising a control unit that monitors a state and detects an abnormality of the fan.

さらに前記各ファン故障検知装置に於いて、前記センサを前記制御部を構成するボードに設けることを特徴とする。   Further, in each of the fan failure detection devices, the sensor is provided on a board constituting the control unit.

冷却用のファンを備えた電子機器に於いて、筐体内の配線を簡素化できる。   In an electronic device equipped with a cooling fan, wiring in the housing can be simplified.

以下図面を参照して本考案の実施形態を説明する。   Embodiments of the present invention will be described below with reference to the drawings.

先ず、図1を参照して本考案の第1実施形態を説明する。   First, a first embodiment of the present invention will be described with reference to FIG.

図1は本考案の第1実施形態に係るファン故障検知装置を備えた電子機器の構成を示したもので、ここではCPUを実装した情報処理機器を例に示している。図中、10は電子機器の筐体、11は冷却用のファン、12は電源部(PS)、13はセンサ(S)、14は回路基板(CPUボード)、15はCPUである。   FIG. 1 shows the configuration of an electronic apparatus equipped with a fan failure detection apparatus according to the first embodiment of the present invention. Here, an information processing apparatus equipped with a CPU is shown as an example. In the figure, 10 is a housing of an electronic device, 11 is a cooling fan, 12 is a power supply unit (PS), 13 is a sensor (S), 14 is a circuit board (CPU board), and 15 is a CPU.

冷却用のファン11は、電源ライン1aを介して供給されるファンモータ駆動電源(PD)により駆動されて、筐体10内の熱源から発生した熱を筐体10の外部に排出する。   The cooling fan 11 is driven by a fan motor drive power supply (PD) supplied via the power supply line 1 a, and discharges heat generated from a heat source in the housing 10 to the outside of the housing 10.

電源部(PS)12は、筐体10内の各構成要素に動作用電源を供給する。ここでは図示しない電源ラインを介して回路基板14に動作用電源を供給するとともに、電源ライン1aを介して冷却用のファン11にファンモータ駆動電源(PD)を供給する。   The power supply unit (PS) 12 supplies power for operation to each component in the housing 10. Here, power for operation is supplied to the circuit board 14 via a power supply line (not shown), and fan motor drive power (PD) is supplied to the cooling fan 11 via the power supply line 1a.

センサ(S)13は、上記冷却用のファン11と上記電源部(PS)12との間に布線された上記電源ライン1aの中途部に設けられ、上記電源ライン1aに非接触で、電源ライン1aに流れる電流を検出する。ここでは、電源ライン1aの回路基板14に最も近接する部分に電流検出用の信号線を巻き付けることで上記電源ライン1aの中途部にセンサ13を設けている。このセンサ13の検出信号(ss)は検出信号線1bを介して回路基板14に供給される。   The sensor (S) 13 is provided in the middle of the power supply line 1a wired between the cooling fan 11 and the power supply unit (PS) 12, and is in contact with the power supply line 1a. The current flowing through the line 1a is detected. Here, the sensor 13 is provided in the middle of the power supply line 1a by winding a signal line for current detection around a portion of the power supply line 1a closest to the circuit board 14. The detection signal (ss) of the sensor 13 is supplied to the circuit board 14 via the detection signal line 1b.

回路基板14は、CPU15と、このCPU15のファミリーチップを実装したCPUボードであり、ここでは上記信号線1bを介して入力されたセンサ13の検出信号(ss)をアナログ−デジタル変換してCPU15のバス上に出力する信号処理回路が含まれる。   The circuit board 14 is a CPU board on which a CPU 15 and a family chip of the CPU 15 are mounted. Here, the detection signal (ss) of the sensor 13 input via the signal line 1b is converted from analog to digital, and the circuit board 14 A signal processing circuit for outputting on the bus is included.

CPU15は、機器全体の制御を司るプログラム処理を実行するもので、回路基板14に実装され、同じく回路基板14に実装されたCPUファミリーチップに含まれる主記憶およびBIOS−ROMに格納されたプログラムに従う処理を実行する。ここでは、上記ファン11の異常を検出する制御部を実現している。上記CPU15は、上記回路基板14上でアナログ−デジタル変換した上記センサ13の検出信号(ss)を監視用データとして一定の周期毎に読み込み、このデータが示す値から冷却用のファン11の動作状態(正常/異常)を判断する処理手段を有する。さらに異常を検出した際に、その状態を外部に報知する処理手段を有する。   The CPU 15 executes a program process for controlling the entire device, and is mounted on the circuit board 14 and follows a program stored in the main memory and the BIOS-ROM included in the CPU family chip also mounted on the circuit board 14. Execute the process. Here, the control part which detects the abnormality of the said fan 11 is implement | achieved. The CPU 15 reads the detection signal (ss) of the sensor 13 analog-digital converted on the circuit board 14 as monitoring data at regular intervals, and the operation state of the cooling fan 11 from the value indicated by the data. A processing means for determining (normal / abnormal) is provided. Furthermore, when an abnormality is detected, a processing means for notifying the outside of the state is provided.

上記した電子機器の動作は、機器の電源が投入(Power ON)されると、電源部(PS)12から電源ライン1a上にファンモータ駆動電源(PD)が供給され、ファン11が駆動される。このファン11の駆動は、CPU15の制御の下に行われる場合を含んでいる。   In the operation of the electronic device described above, when the power of the device is turned on (Power ON), the fan motor drive power supply (PD) is supplied from the power supply unit (PS) 12 onto the power supply line 1a, and the fan 11 is driven. . The fan 11 is driven under the control of the CPU 15.

上記電源ライン1a上に流れる電流はセンサ13により検出される。センサ13により検出された検出信号(ss)は信号線1bを介して回路基板14に供給され、回路基板14上でアナログ−デジタル変換された後、監視用データとしてCPU15のバス上に出力される。   The current flowing on the power supply line 1a is detected by the sensor 13. A detection signal (ss) detected by the sensor 13 is supplied to the circuit board 14 via the signal line 1b, converted from analog to digital on the circuit board 14, and then output to the CPU 15 as monitoring data. .

CPU15は、上記監視用データを一定の周期毎に読み込み、このデータが示す値(電流値)から冷却用のファン11の動作状態(正常/異常)を判断する。ここで上記データが示す電流値が設定値を超えたとき、若しくは電流値が零であるとき、ファン11が異常であると判定し、そのファン異常状態を、例えば外部に報知して、システムを正常終了させる等のファン異常検出処理を実行する。   The CPU 15 reads the monitoring data at regular intervals, and determines the operating state (normal / abnormal) of the cooling fan 11 from the value (current value) indicated by the data. Here, when the current value indicated by the data exceeds the set value, or when the current value is zero, it is determined that the fan 11 is abnormal, and the fan abnormal state is notified to the outside, for example, and the system is Execute fan abnormality detection processing such as normal termination.

上記したファン11の異常検出手段に於いては、ファン11に、異常を検出する機能回路を組み込むことなく、またファン11から回路基板14に制御信号線を引き回すことなく、筐体10内の配線を簡素にして、ファン11の異常を確実に検出することができる。   In the above-described abnormality detection means for the fan 11, wiring in the housing 10 is not performed without incorporating a functional circuit for detecting abnormality into the fan 11 and without drawing a control signal line from the fan 11 to the circuit board 14. The abnormality of the fan 11 can be reliably detected.

次に、図2を参照して本考案の第2実施形態を説明する。   Next, a second embodiment of the present invention will be described with reference to FIG.

図2は本考案の第2実施形態に係るファン故障検知装置を備えた電子機器の構成を示したもので、図中、20は電子機器の筐体、21は冷却用のファン、22は電源部(PS)、23はセンサ、24は回路基板(CPUボード)、25はCPUである。なお、上記筐体20内の各構成要素(21〜25)は、上記した第1実施形態に於ける構成要素(11〜15)と同様であることから、ここでは構成要素個々の説明を省略する。   FIG. 2 shows the configuration of an electronic apparatus equipped with a fan failure detection device according to the second embodiment of the present invention. In the figure, 20 is a casing of the electronic apparatus, 21 is a cooling fan, and 22 is a power source. Part (PS), 23 is a sensor, 24 is a circuit board (CPU board), and 25 is a CPU. In addition, since each component (21-25) in the said housing | casing 20 is the same as the component (11-15) in above-described 1st Embodiment, description of each component is abbreviate | omitted here. To do.

この図2に示す第2実施形態が上記した図1に示す第1実施形態と特に異なるところは、センサ23が回路基板24上に設けられている点である。   The second embodiment shown in FIG. 2 is particularly different from the first embodiment shown in FIG. 1 in that the sensor 23 is provided on the circuit board 24.

このような構成とすることで、上記図1に示した第1実施形態に於ける、センサ13の検出信号(ss)を回路基板に導く検出信号線1bが、少なくとも回路基板24内を除いて不要であり、筐体20内の配線量を上記第1実施形態に比して、より削減でき、筐体20内の配線を簡素化できる。また、センサ23を回路基板24上に設けた構成とすることで、実装部品点数の削減並びに部品配置の簡素化が図れ、組み込み並びにメンテナンスの容易化が図れる。   With such a configuration, the detection signal line 1b for guiding the detection signal (ss) of the sensor 13 to the circuit board in the first embodiment shown in FIG. This is unnecessary, and the amount of wiring in the housing 20 can be further reduced as compared with the first embodiment, and the wiring in the housing 20 can be simplified. Further, by providing the sensor 23 on the circuit board 24, the number of mounted parts can be reduced and the arrangement of the parts can be simplified, and assembling and maintenance can be facilitated.

次に、図3を参照して本考案の第3実施形態を説明する。   Next, a third embodiment of the present invention will be described with reference to FIG.

図3は本考案の第3実施形態に係るファン故障検知装置を備えた電子機器の構成を示したもので、図中、30は電子機器の筐体、31a,31bは冷却用のファン、32は電源部(PS)、33a,33bはセンサ、34は回路基板(CPUボード)、35はCPUである。なお、上記筐体30内の各構成要素(31a,31b〜35)は、上記した第1実施形態に於ける構成要素(11〜15)と同様であることから、ここでは構成要素個々の説明を省略する。   FIG. 3 shows the configuration of an electronic apparatus equipped with a fan failure detection device according to the third embodiment of the present invention. In the figure, 30 is a casing of the electronic apparatus, 31a and 31b are cooling fans, 32 Is a power supply unit (PS), 33a and 33b are sensors, 34 is a circuit board (CPU board), and 35 is a CPU. Each component (31a, 31b to 35) in the housing 30 is the same as the component (11 to 15) in the first embodiment described above. Is omitted.

この図3に示す第3実施形態が上記した図1に示す第1実施形態と特に異なるところは、筐体30に、複数(ここでは2つ)の冷却用のファン31a,31bを設け、この複数のファン31a,31bの各電源ライン31a,31aに個別にセンサ33a,33bを設けた点、およびこの各センサ33a,33bを回路基板34上に設けて、複数のファン31a,31bの動作状態(異常/正常)を個別に監視している点である。   The third embodiment shown in FIG. 3 is particularly different from the first embodiment shown in FIG. 1 described above. The housing 30 is provided with a plurality of (here, two) cooling fans 31a and 31b. The power supply lines 31a and 31a of the plurality of fans 31a and 31b are individually provided with sensors 33a and 33b, and the sensors 33a and 33b are provided on the circuit board 34 so that the operation states of the plurality of fans 31a and 31b are provided. (Abnormal / Normal) is monitored individually.

このような構成とすることで、筐体30に複数のファン31a,31bを設けた構成に於いて、複数のファン31a,31bのそれぞれから回路基板34に制御信号線を引き回すことなく、筐体30内の配線を簡素にして、ファン31a,31bの異常を確実に検出することができる。さらに上記各センサ33a,33bを回路基板34上に設けることによって、筐体30内の配線量をより削減して筐体30内の配線をより簡素化できる。また、複数のファン31a,31bに対して個別にセンサ33a,33bで検出信号(ss)を得ることで、複数のファン31a,31bの各動作状態(異常/正常)を個別に監視することができる。   With such a configuration, in the configuration in which the plurality of fans 31a and 31b are provided in the housing 30, the housing can be provided without routing control signal lines from the respective fans 31a and 31b to the circuit board 34. The wiring in 30 can be simplified, and the abnormality of the fans 31a and 31b can be reliably detected. Furthermore, by providing the sensors 33a and 33b on the circuit board 34, the amount of wiring in the housing 30 can be further reduced, and the wiring in the housing 30 can be simplified. Further, by obtaining detection signals (ss) by the sensors 33a and 33b individually for the plurality of fans 31a and 31b, it is possible to individually monitor the operating states (abnormal / normal) of the plurality of fans 31a and 31b. it can.

次に、図4を参照して本考案の第4実施形態を説明する。   Next, a fourth embodiment of the present invention will be described with reference to FIG.

図43は本考案の第4実施形態に係るファン故障検知装置を備えた電子機器の構成を示したもので、図中、40は電子機器の筐体、41a,41bは冷却用のファン、42は電源部(PS)、43はセンサ、44は回路基板(CPUボード)、45はCPUである。なお、上記筐体40内の各構成要素(41a,41b〜45)は、上記した第1実施形態に於ける構成要素(11〜15)と同様であることから、ここでは構成要素個々の説明を省略する。   FIG. 43 shows the configuration of an electronic apparatus equipped with a fan failure detection apparatus according to the fourth embodiment of the present invention. In FIG. 43, 40 is a casing of the electronic apparatus, 41a and 41b are cooling fans, 42 Is a power supply unit (PS), 43 is a sensor, 44 is a circuit board (CPU board), and 45 is a CPU. Each component (41a, 41b to 45) in the casing 40 is the same as the component (11 to 15) in the first embodiment described above. Is omitted.

この図4に示す第4実施形態が上記した図3に示す第3実施形態と特に異なるところは、上記した第3実施形態が複数のファン31a,31bの各電源ライン31a,31aに個別にセンサ33a,33bを設けて、複数のファン31a,31bの各動作状態を個別に監視する構成であるのに対して、この第4実施形態では、複数のファン41a,41bの動作状態(異常/正常)を、回路基板(CPUボード)45上に設けた1つのセンサ43で検出している点である。   The fourth embodiment shown in FIG. 4 is particularly different from the above-described third embodiment shown in FIG. 3 in that the above-described third embodiment has a separate sensor for each power supply line 31a, 31a of the plurality of fans 31a, 31b. In contrast to the configuration in which the operating states of the plurality of fans 31a and 31b are individually monitored by providing 33a and 33b, in the fourth embodiment, the operating states (abnormal / normal) of the fans 41a and 41b are provided. ) Is detected by one sensor 43 provided on a circuit board (CPU board) 45.

このような構成とすることで、筐体40に複数のファン41a,41bを設けた構成に於いて、筐体40に複数のファン41a,41bを設けた構成に於いて、複数のファン41a,41bのそれぞれから回路基板44に制御信号線を引き回すことなく、筐体40内の配線を簡素にして、かつ1つのセンサ43で複数のファン41a,41bの異常を確実に検出することができる。なお、この第4実施形態では、複数のファン41a,41bの異常を個別に検出することはできないが、筐体40設けられているファンに異常が生じた異常状態を確実に検出することができる。   With such a configuration, in the configuration in which a plurality of fans 41a and 41b are provided in the housing 40, the plurality of fans 41a and 41b in the configuration in which the housing 40 is provided with a plurality of fans 41a and 41b. The wiring in the housing 40 can be simplified and the abnormality of the plurality of fans 41a and 41b can be reliably detected by one sensor 43 without routing control signal lines from each of the circuit boards 44 to the circuit board 44. In the fourth embodiment, the abnormality of the plurality of fans 41a and 41b cannot be detected individually, but the abnormal state in which an abnormality has occurred in the fan provided in the housing 40 can be reliably detected. .

本考案の第1実施形態に係るファン故障検知装置の構成を示すブロック図。The block diagram which shows the structure of the fan failure detection apparatus which concerns on 1st Embodiment of this invention. 本考案の第2実施形態に係るファン故障検知装置の構成を示すブロック図。The block diagram which shows the structure of the fan failure detection apparatus which concerns on 2nd Embodiment of this invention. 本考案の第3実施形態に係るファン故障検知装置の構成を示すブロック図。The block diagram which shows the structure of the fan failure detection apparatus which concerns on 3rd Embodiment of this invention. 本考案の第4実施形態に係るファン故障検知装置の構成を示すブロック図。The block diagram which shows the structure of the fan failure detection apparatus which concerns on 4th Embodiment of this invention.

符号の説明Explanation of symbols

1a,2a,3a,4a…電源ライン、1b…検出信号線、10,20,30,40…筐体、11,21,31a,31b,41a,41b…ファン、12…電源部(PS)、13,23,33,43…センサ(S)、14,24,34,44…回路基板(CPUボード)、15,25,35,45…CPU、PD…ファンモータ駆動電源、ss…検出信号。   1a, 2a, 3a, 4a ... power supply line, 1b ... detection signal line, 10, 20, 30, 40 ... casing, 11, 21, 31a, 31b, 41a, 41b ... fan, 12 ... power supply unit (PS), 13, 23, 33, 43 ... sensor (S), 14, 24, 34, 44 ... circuit board (CPU board), 15, 25, 35, 45 ... CPU, PD ... fan motor drive power supply, ss ... detection signal.

Claims (5)

ファンにファン駆動電源を供給する電源ラインと、
前記電源ラインに流れる電流を前記電源ラインに非接触で検出するセンサと、
前記センサの出力状態を監視し、前記ファンの異常を検出する制御部と
を具備したことを特徴とするファン故障検知装置。
A power supply line for supplying fan drive power to the fan;
A sensor for detecting a current flowing through the power line in a non-contact manner with the power line;
A fan failure detection apparatus comprising: a control unit that monitors an output state of the sensor and detects an abnormality of the fan.
複数のファンそれぞれに個別にファン駆動電源を供給する複数の電源ラインと、
前記複数の電源ライン各々に対応して設けられ、対応する電源ラインに流れる電流を前記電源ラインに非接触で検出する複数のセンサと、
前記各センサの出力状態を監視し、前記ファンの異常を個別に検出する制御部と
を具備したことを特徴とするファン故障検知装置。
A plurality of power lines for supplying fan driving power to each of the plurality of fans individually;
A plurality of sensors provided corresponding to each of the plurality of power lines, and detecting a current flowing in the corresponding power lines in a non-contact manner with the power lines;
A fan failure detection apparatus, comprising: a control unit that monitors an output state of each sensor and individually detects an abnormality of the fan.
複数のファンにファン駆動電源を供給する、前記各ファンに共通の電源ラインと、
前記電源ラインに流れる電流を前記電源ラインに非接触で検出するセンサと、
前記センサの出力状態を監視し、前記ファンの異常を検出する制御部と
を具備したことを特徴とするファン故障検知装置。
A power supply line that supplies fan driving power to a plurality of fans and is common to the fans,
A sensor for detecting a current flowing through the power line in a non-contact manner with the power line;
A fan failure detection apparatus comprising: a control unit that monitors an output state of the sensor and detects an abnormality of the fan.
前記センサは、前記制御部に近づくように前記電源ラインの中途部に設けられる請求項1または2又は3記載のファン故障検知装置。   The fan failure detection device according to claim 1, wherein the sensor is provided in a midway part of the power supply line so as to approach the control unit. 前記センサは、前記制御部を構成するボードに設けられる請求項1または2又は3記載のファン故障検知装置。   The fan failure detection device according to claim 1, wherein the sensor is provided on a board constituting the control unit.
JP2005005463U 2005-07-12 2005-07-12 Fan failure detection device Expired - Fee Related JP3114660U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005005463U JP3114660U (en) 2005-07-12 2005-07-12 Fan failure detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005005463U JP3114660U (en) 2005-07-12 2005-07-12 Fan failure detection device

Publications (1)

Publication Number Publication Date
JP3114660U true JP3114660U (en) 2005-10-27

Family

ID=43276958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005005463U Expired - Fee Related JP3114660U (en) 2005-07-12 2005-07-12 Fan failure detection device

Country Status (1)

Country Link
JP (1) JP3114660U (en)

Similar Documents

Publication Publication Date Title
US8374731B1 (en) Cooling system
JP4968069B2 (en) Encoder with abnormality detection device and control system therefor
EP2613163B1 (en) Self-diagnostic apparatus and method for electric device
CN102298102A (en) Abnormity inspection system of cooling part of circuit
JP6546055B2 (en) Numerical control system
JP2006209483A (en) Numerical control device
JP5782237B2 (en) Method for monitoring rotational states of a plurality of DC fans
JP6457589B2 (en) Abnormality diagnosis apparatus and abnormality diagnosis method
JP3114660U (en) Fan failure detection device
WO2020080032A1 (en) Information processing device
JP4538730B2 (en) Motor control device
JP4103145B2 (en) Input module
JP2007185022A (en) Fan controller
JP2006189990A (en) Operation method for controller, and controller
JP5451273B2 (en) Power monitoring circuit, power monitoring method and power monitoring control program used in the power monitoring circuit, and electronic device
JP2007200092A (en) Numerical control system equipped with fan motor device
JP2006285688A (en) Method and device for diagnosing failure of manufacturing facility
JP2003307194A (en) Abnormality detecting device for fan rotation speed
JP2017199221A (en) Electronic control device
US7576643B2 (en) Sensor for measuring physical variables and for passing on the measured variable, circuit having such a sensor and method for operating the sensor and the circuit
JP2015175239A (en) Monitoring device, monitoring method, and program
JP2005265454A (en) Fault diagnosis device for vehicle
KR100244804B1 (en) Multi-input/output circuit for multi-sense input/output
JP2005323107A (en) Electronic equipment and image forming apparatus
KR102069718B1 (en) Spindle Monitoring System Using High Pass Filter

Legal Events

Date Code Title Description
R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees