CN208619398U - Air-conditioning between a kind of fan failure detection circuit and column - Google Patents
Air-conditioning between a kind of fan failure detection circuit and column Download PDFInfo
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- CN208619398U CN208619398U CN201821240072.3U CN201821240072U CN208619398U CN 208619398 U CN208619398 U CN 208619398U CN 201821240072 U CN201821240072 U CN 201821240072U CN 208619398 U CN208619398 U CN 208619398U
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- detection circuit
- photoelectrical coupler
- receiving end
- blower
- controller
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Abstract
The utility model discloses air-conditioning between a kind of fan failure detection circuit and column, fan failure detection circuit includes controller, alarm unit, at least one branch detection circuit, the corresponding blower of each branch detection circuit；Each branch detection circuit includes pull-up power supply, pull-up resistor, photoelectrical coupler；The input terminal of the luminous end of photoelectrical coupler connects pull-up power supply by pull-up resistor, and the output end of luminous end connects failure output terminal of corresponding blower；The detection signal output end of the input terminal connection controller of the light-receiving end of photoelectrical coupler, the detection signal receiving end of the output end connection controller of light-receiving end；Controller controls the operation of alarm unit according to the level signal of detection signal receiving end.Controller knows whether corresponding blower is faulty according to the low and high level signal of detection signal receiving end, and control alarm unit is alarmed, and the corresponding blower of user's timely learning breaks down, and repairs processing to failure blower in time, improves the speed of troubleshooting.
Description
Technical field
The utility model belongs to field of circuit technology, specifically, being related between a kind of fan failure detection circuit and column
Air-conditioning.
Background technique
With a large amount of uses of air conditioner in machine room, especially some data centers, the use for air-conditioning between column is also more next
It is more.
In order to meet the needs of air-conditioning miniaturization, cooling capacity is big, air-conditioning would generally use multi fan to meet this demand between column.
And air-conditioning between the current column with multi fan, when a certain blower breaks down, is unable to learn in time wind since blower is more
Machine breaks down, and influences the normal use of air-conditioning.
Summary of the invention
The utility model provides a kind of fan failure detection circuit, solves and is unable to learn in time blower failure
Problem.
In order to solve the above technical problems, the utility model is achieved using following technical scheme:
A kind of fan failure detection circuit, including controller, alarm unit, at least one branch detection circuit, Mei Gefen
Branch detection circuit corresponds to a blower；Each branch detection circuit includes pull-up power supply, pull-up resistor, photoelectrical coupler；It is described
The input terminal of the luminous end of photoelectrical coupler connects pull-up power supply by pull-up resistor, and the output end of luminous end connects corresponding blower
Failure output terminal；The detection signal output end of the input terminal connection controller of the light-receiving end of the photoelectrical coupler, light
The detection signal receiving end of the output end connection controller at end；The controller is according to the level signal control for detecting signal receiving end
The operation of alarm unit processed.
Further, the alarm unit includes display screen, and the controller is believed according to the level of detection signal receiving end
Number control display screen display.
Further, the alarm unit further includes alarm lamp and loudspeaker, and the controller connects according to detection signal
The operation of level signal the control alarm lamp and loudspeaker of receiving end.
Further, each branch detection circuit further includes first diode, the anode connection of the first diode
The output end of the luminous end of photoelectrical coupler, the cathode connection pull-up resistor of the first diode and shining for photoelectrical coupler
The connecting node of the input terminal at end.
Further, the output end of the light-receiving end of the photoelectrical coupler connects the inspection of controller by the second diode
Survey signal receiving end.
Further, filter capacitor and filter are connected between the input terminal and output end of the luminous end of the photoelectrical coupler
Wave resistance.
Further, filtered electrical is also connected between the input terminal and output end of the light-receiving end of the photoelectrical coupler
Hold.
Further, each branch detection circuit further includes an interface, and one end of the interface connects photoelectricity
The output end of the luminous end of coupler；Failure output terminal of the other end grafting blower of the interface.
Further, the luminous end of the photoelectrical coupler is light emitting diode, the light-receiving end of the photoelectrical coupler
For illuminated triode.
Based on the design of above-mentioned fan failure detection circuit, the utility model also proposed air-conditioning between a kind of column, including shell
Body, positioned at the intracorporal blower of shell, the fan failure detection circuit；The blower has failure output terminal, the blower
The quantity of the branch detection circuit of fault detection circuit is equal with the quantity of blower.
Compared with prior art, the advantages and positive effects of the utility model are as follows: the fan trouble of the utility model detects
Air-conditioning between circuit and column, by design controller, alarm unit and branch detection circuit, controller is received according to detection signal
The low and high level signal at end is alarmed to control alarm unit, is prompted in time you can learn that whether corresponding blower is faulty
The corresponding blower of user is faulty, and user can be broken down with the corresponding blower of timely learning, and fast and easy is arranged in order to take in time
It applies, processing is repaired to failure blower in time, improve the speed and convenience of troubleshooting.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model
It will become clearer.
Detailed description of the invention
Fig. 1 is a kind of circuit structure block diagram of the embodiment for the fan failure detection circuit that the utility model is proposed；
Fig. 2 is a kind of circuit structure schematic diagram of the embodiment for the fan failure detection circuit that the utility model is proposed.
Specific embodiment
Specific embodiment of the present utility model is described in more detail with reference to the accompanying drawing.
The fan failure detection circuit of the present embodiment mainly includes controller, alarm unit, at least one branch detection electricity
Road, the corresponding blower of each branch detection circuit, correspond to the one of controller at a detection signal output end for corresponding to controller
A detection signal receiving end, referring to shown in Fig. 1, Fig. 2.That is, the quantity of blower, the quantity of branch detection circuit, detection signal are defeated
The quantity of outlet, the quantity for detecting signal receiving end are equal.
Each branch detection circuit mainly includes pull-up power supply, pull-up resistor, photoelectrical coupler；Photoelectrical coupler shines
The input terminal at end connects pull-up power supply by pull-up resistor, and the output end of luminous end connects failure output terminal of corresponding blower；
The detection signal output end of the input terminal connection controller of the light-receiving end of photoelectrical coupler, the output end of light-receiving end connect controller
Detection signal receiving end；Controller controls the operation of alarm unit according to the level signal of detection signal receiving end.
In each branch detection circuit, the detection signal output end of controller export high level to photoelectrical coupler by
The input terminal at light end, when failure output terminal of blower exports low level, the electric current that pull-up power supply provides flows through photoelectric coupling
The luminous end of device, luminous end shine, the light-receiving end conducting of photoelectrical coupler, the height electricity of the detection signal output end output of controller
Mean longitude light-receiving end is transmitted to the detection signal receiving end of controller, i.e. the detection signal receiving end of controller is high level.Work as wind
When the fault-signal of the failure output terminal output high level of machine, the electric current that pull-up power supply provides cannot flow through photoelectrical coupler
Luminous end, luminous end do not shine, and the light-receiving end shutdown of photoelectrical coupler, the detection signal output end of controller is low level.
Therefore, when failure output terminal of blower exports low level, the detection signal receiving end of controller is high level,
The blower fault-free.When failure output terminal of blower exports high level, the detection signal receiving end of controller is low level,
The blower is faulty, and controller controls alarm unit alarm.Controller according to detection signal receiving end low and high level signal be
It whether faulty would know that corresponding blower, alarm to control alarm unit, prompt the corresponding blower of user faulty in time,
User can be broken down with the corresponding blower of timely learning, fast and easy, solved and be unable to learn in time asking for blower failure
Topic, in order to take timely measure, repairs processing to failure blower in time, improves the speed of troubleshooting and convenient
Property.
The output end of the luminous end of the photoelectrical coupler of each branch detection circuit connects the failure output of corresponding blower
Terminal；The corresponding detection signal output end of the input terminal connection controller of the light-receiving end of photoelectrical coupler, the output of light-receiving end
The corresponding detection signal receiving end of end connection controller.Controller knows presence according to the level signal of detection signal receiving end
The blower of failure.
Compatible if necessary to detect eight blowers, branch detection circuit has eight, and controller has eight detections
Signal output end and eight detection signal receiving ends.If first detection signal receiving end of controller is high level, phase
Corresponding first blower fault-free；If second detection signal receiving end of controller is low level, corresponding the
Two blowers are faulty, and so on.
The fan failure detection circuit of the present embodiment, the sub- outputs level signals of the failure output terminal of each blower, passes through light
The turn-on and turn-off of electric coupler provide a low and high level to controller, and controller is sentenced according to the high level level received
Whether the corresponding blower that breaks breaks down.
The fan failure detection circuit of the present embodiment is measured in real time failure output terminal of each blower, works as wind
When the fault-signal of the failure output terminal output high level of machine, controller control alarm unit is alarmed, and notice is used in time
The blower that family is broken down.
In the present embodiment, alarm unit includes display screen, and controller is according to the level signal control for detecting signal receiving end
The display of display screen processed.When the detection signal receiving end of controller is low level signal, illustrate that corresponding blower breaks down,
Controller control display screen shows that the blower breaks down.User can directly know that the blower breaks down by display screen, side
Just quickly, the time is saved, is taken timely measure.Controller can control display screen and directly display failure blower, convenient for quickly fixed
Position failure blower, on-call maintenance failure blower.
Alarm unit includes going back alarm lamp and loudspeaker, and controller controls report according to the level signal of detection signal receiving end
The operation of warning lamp and loudspeaker.When the detection signal receiving end of controller is low level signal, controller controls alarm lamp and dodges
Bright, control loudspeaker broadcasts corresponding blower and breaks down, and further prompts user, fast and easy is saved the time, taken in time
Measure.
Each branch detection circuit further includes first diode, and the anode connection photoelectrical coupler of first diode shines
The output end at end, the connection section of the input terminal of the luminous end of the cathode connection pull-up resistor and photoelectrical coupler of first diode
Point.First diode is for protecting photoelectrical coupler, when the high level signal overtension that failure output terminal of blower exports
When, pull-up power supply can be flowed to by first diode, avoid damage photoelectrical coupler.
In each branch detection circuit, the output end of the light-receiving end of photoelectrical coupler passes through the connection control of the second diode
The detection signal receiving end of device.The output end of the light-receiving end of the anode connection photoelectrical coupler of second diode, the second diode
Cathode connection controller detection signal receiving end, guarantee signal export from the output end of the light-receiving end of photoelectrical coupler to control
The detection signal receiving end of device processed is avoided due to damaging photoelectrical coupler when controller detects signal receiving end electric voltage exception.
It is connected with filter capacitor and filter resistance between the input terminal and output end of the luminous end of photoelectrical coupler, for filtering
Except the clutter of pull-up power supply, guarantee the normal operation of photoelectrical coupler.
It is also connected with filter capacitor between the input terminal and output end of the light-receiving end of photoelectrical coupler, is used for filtering clutter,
Guarantee the normal operation of photoelectrical coupler.
Each branch detection circuit further includes an interface, the luminous end of one end connection photoelectrical coupler of interface
Output end；Failure output terminal of the other end grafting blower of interface.The design of interface, the failure convenient for grafting blower are defeated
Terminal out, so that failure output terminal of blower plugs convenient, stable connection.
In the present embodiment, the luminous end of photoelectrical coupler is light emitting diode, and the light-receiving end of photoelectrical coupler is light
Triode；When light emitting diode does not shine, illuminated triode shutdown；When lumination of light emitting diode, illuminated triode conducting.Selection
The photoelectrical coupler of above-mentioned design, structure is simple, at low cost, effect is good.
The circuit structure of each branch detection circuit is identical, in the following, by taking one of branch detection circuit as an example, specifically
The specific structure of bright branch detection circuit, it is shown in Figure 2.
Branch detection circuit mainly includes pull-up power supply VDD, pull-up resistor R23, photoelectrical coupler PC1；Photoelectrical coupler
By pull-up resistor R23 connection pull-up power supply VDD, the cathode of light emitting diode connects to be corresponded to the anode of the light emitting diode of PC1
Failure output terminal of blower；The detection signal output of the collector connection controller of the illuminated triode of photoelectrical coupler PC1
Hold JZSR1, the detection signal receiving end of the emitter connection controller of illuminated triode.The detection signal output end of controller
JZSR1 export high level to photoelectrical coupler PC1 illuminated triode collector, when blower failure output terminal output it is low
When level, the electric current that pull-up power supply VDD is provided flows through the light emitting diode of photoelectrical coupler PC1, lumination of light emitting diode, photoelectricity
The illuminated triode of coupler PC1 is connected, and the high level of the detection signal output end JZSR1 output of controller is through illuminated triode
It is transmitted to the detection signal receiving end of controller, i.e. the detection signal receiving end of controller is high level.When the failure of blower is defeated
Out when terminal output high level, the electric current that pull-up power supply provides cannot flow through the light emitting diode of photoelectrical coupler PC1, shine two
Pole pipe does not shine, and the illuminated triode shutdown of photoelectrical coupler PC1, the detection signal output end of controller is low level, control
Device controls alarm unit alarm, i.e. control display screen shows that failure blower, alarm lamp flashing, loudspeaker broadcast failure blower, with
User is prompted, user can be broken down with the corresponding blower of timely learning, fast and easy, right in time in order to take timely measure
Failure blower repairs processing.
The cathode of the light emitting diode of the anode connection photoelectrical coupler PC1 of first diode V3, first diode V3's
Cathode connects the connecting node of the anode of pull-up resistor R23 and light emitting diode.First diode V3 is for preventing photoelectric coupling
Device is damaged because of fan trouble output terminal electric voltage exception.
The emitter of the light-emitting diode of the anode connection photoelectrical coupler PC1 of second diode V1, the second diode V1
Cathode connection controller detection signal receiving end, avoid due to controller detect signal receiving end electric voltage exception when damage light
Electric coupler.
Filter capacitor C27 and filtered electrical are connected between the anode and cathode of the light emitting diode of photoelectrical coupler PC1
R25 is hindered, for filtering out the clutter of pull-up power supply VDD, guarantees the normal operation of photoelectrical coupler PC1.
It is also connected with filter capacitor C28 between the collector and transmitting terminal of the illuminated triode of photoelectrical coupler PC1, is used for
Filtering clutter guarantees the normal operation of photoelectrical coupler.
The cathode of the light emitting diode of one end connection photoelectrical coupler PC1 of interface CN1；The other end of interface PC1
Failure output terminal of grafting blower.
Detection signal output end JZSR2, JZSR3, JZSR4 of controller in Fig. 2, with three other branch detection electricity
The photoelectrical coupler on road is correspondingly connected with, and specific circuit connection and principle can refer to above description, and details are not described herein again.
Based on the design of above-mentioned fan failure detection circuit, the present embodiment also proposed air-conditioning between a kind of column, mainly include
Shell, positioned at the intracorporal blower of shell, the fan failure detection circuit；Blower has failure output terminal, and output is high outward
The fault-signal of level；The quantity of branch detection circuit and the quantity of blower are equal, correspond, and each branch detection circuit connects
Connect corresponding fan trouble output terminal.
Blower interior has control unit, and when blower breaks down, it is low that control unit controls the output of failure output terminal
Level；When blower breaks down, control unit controls failure output terminal and exports high level signal.
By designing the fan failure detection circuit in air-conditioning between column, prompt the corresponding blower of user that event occurs in time
Barrier, user can be broken down with the corresponding blower of timely learning, repair processing to failure blower in time, improve at failure
The speed and convenience of reason guarantee the stable operation of air-conditioning between column, improve the market competitiveness of air-conditioning between column.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model,
It should also belong to the protection scope of the utility model.
Claims (10)
1. a kind of fan failure detection circuit, it is characterised in that: including controller, alarm unit, at least one branch detection electricity
Road, the corresponding blower of each branch detection circuit；
Each branch detection circuit includes pull-up power supply, pull-up resistor, photoelectrical coupler；
The input terminal of the luminous end of the photoelectrical coupler connects pull-up power supply, the output end connection of luminous end by pull-up resistor
Failure output terminal of corresponding blower；
The detection signal output end of the input terminal connection controller of the light-receiving end of the photoelectrical coupler, the output end of light-receiving end connect
Connect the detection signal receiving end of controller；
The controller controls the operation of alarm unit according to the level signal of detection signal receiving end.
2. detection circuit according to claim 1, it is characterised in that: the alarm unit includes display screen, the control
Device controls the display of display screen according to the level signal of detection signal receiving end.
3. detection circuit according to claim 2, it is characterised in that: the alarm unit further includes alarm lamp and loudspeaking
Device, the controller control the operation of alarm lamp and loudspeaker according to the level signal of detection signal receiving end.
4. detection circuit according to claim 1, it is characterised in that: each branch detection circuit further includes the one or two pole
Pipe, the output end of the luminous end of the anode connection photoelectrical coupler of the first diode, the cathode of the first diode connect
Connect the connecting node of the input terminal of the luminous end of pull-up resistor and photoelectrical coupler.
5. detection circuit according to claim 1, it is characterised in that: the output end of the light-receiving end of the photoelectrical coupler is logical
Cross the detection signal receiving end of the second diode connection controller.
6. detection circuit according to claim 1, it is characterised in that: the input terminal of the luminous end of the photoelectrical coupler and
Filter capacitor and filter resistance are connected between output end.
7. detection circuit according to claim 1, it is characterised in that: the input terminal of the light-receiving end of the photoelectrical coupler and
Also filter capacitor is connected between output end.
8. detection circuit according to claim 1, it is characterised in that: each branch detection circuit further includes a grafting
Mouthful, the output end of the luminous end of one end connection photoelectrical coupler of the interface；The other end grafting blower of the interface
Failure output terminal.
9. detection circuit according to claim 1, it is characterised in that: the luminous end of the photoelectrical coupler is light-emitting diodes
Pipe, the light-receiving end of the photoelectrical coupler are illuminated triode.
10. air-conditioning between a kind of column, it is characterised in that: including shell, be located at the intracorporal blower of shell, in such as claim 1 to 9 it is any
Fan failure detection circuit described in；The blower has failure output terminal, the branch of the fan failure detection circuit
The quantity of detection circuit and the quantity of blower are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240072.3U CN208619398U (en) | 2018-08-02 | 2018-08-02 | Air-conditioning between a kind of fan failure detection circuit and column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240072.3U CN208619398U (en) | 2018-08-02 | 2018-08-02 | Air-conditioning between a kind of fan failure detection circuit and column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619398U true CN208619398U (en) | 2019-03-19 |
Family
ID=65708536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240072.3U Active CN208619398U (en) | 2018-08-02 | 2018-08-02 | Air-conditioning between a kind of fan failure detection circuit and column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436782A (en) * | 2022-09-05 | 2022-12-06 | 楚能新能源股份有限公司 | Fault return detection circuit and detection method of lithium battery passive equalization circuit |
-
2018
- 2018-08-02 CN CN201821240072.3U patent/CN208619398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436782A (en) * | 2022-09-05 | 2022-12-06 | 楚能新能源股份有限公司 | Fault return detection circuit and detection method of lithium battery passive equalization circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: 266510 No. 218, Qian Wan Gang Road, Huangdao District, Qingdao, Shandong. Patentee after: Qingdao Hisense network energy Co.,Ltd. Address before: 266101 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HISENSE ELECTRONICS EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |