CN101033750A - Fan system and detecting device thereof - Google Patents
Fan system and detecting device thereof Download PDFInfo
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- CN101033750A CN101033750A CN 200610058937 CN200610058937A CN101033750A CN 101033750 A CN101033750 A CN 101033750A CN 200610058937 CN200610058937 CN 200610058937 CN 200610058937 A CN200610058937 A CN 200610058937A CN 101033750 A CN101033750 A CN 101033750A
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Abstract
The invention provides a fan system which is composed of a motor, a driver element and a check device. The driver element creates a signal to driver the motor which Connected with it. The check device electric connect to a carryout terminal of the driver element to receive voltage signal. The check device output a signal when motor run normal and receive a signal when abnormal. This abnormal voltage signals will be transferred to a warning signal refers to appreciate the exception phenomenon.
Description
Technical field
The present invention relates to a kind of fan system, particularly a kind of have fan system and a checking device thereof that unusual running detects function.
Background technique
Because the information processing capacity of electronics constantly increases at present, relatively the heat of Chan Shenging also with increase, only emphasize the lasting fast user's requirement that can not interrupt according to most electronicss, radiating requirements in those electronicss more and more comes into one's own, various heat radiation products of deriving are also more and more, and more efficient on the market at present and than multi-user's i.e. genus fan system.
See also shown in Figure 1ly, known fan system 1 is made up of a motor 10, a driver element 20 and a rotating speed sensing cell 30, and this driver element 20 is electrically connected on this motor 10, and this driver element 20 receives an input voltage V
INTo drive this motor 10 runnings, this rotating speed sensing cell 30 is electrically connected on this driver element 20, these rotating speed sensing cell 30 main rotating speeds in order to this motor 10 of sensing, and via detecting signal S with these driver element 20 outputs one
1, this detects signal S
1Input to a surveillance device 2, for these motor 10 operating conditions of interpretation.
Please consult shown in Fig. 2 A and Fig. 2 B, this motor 10 is under normal operation (for example: normal rating rotating speed, normal current output, normal working temperature) again, and this detects signal S
1Be a pulse signal (an or pulse width modulating signal, PWM), so this motor 10 is if under unusual operating condition (for example: flabellum blocks, stall or temperature variation be violent), this detects signal S
1Can produce a surge signal S according to these driver element 20 inner setting values
a(as Fig. 2 A) or a high potential signal S
b(as Fig. 2 B) or a low-potential signal S
c(as Fig. 2 B) uses and notifies this order that surveillance device 2 stops or restarting.
In general, this surveillance device 2 meeting signal (surge signal S that self establishment is desired to read according to user's needs
a, high potential signal S
bOr low-potential signal S
c), read this surge signal S if set
a, when producing continuously more than two, be the output that still has the consecutive pulses signal easily then by interpretation, thus whether normally make mistakes often reading these motor 10 operating conditions, thereby can't issue an order in real time; In addition, read this high potential signal S if set
bOr this low-potential signal S
cThe time, cause the mutual replacement of high petential or low potential during then easily because of this motor 10 magnetic poles conversion, and cause the error of reading of this surveillance device 2, similarly also can't issue an order in real time; Above-mentioned two kinds of situations still exist in the known fan system at present at large, and the disposal during for unusual running of motor or fault still has part to be strengthened, so the necessity of eliminating or being improved is arranged.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of fan system and checking device thereof, it is by the detect signal of checking device so that driver element is exported, when motor generation running is unusual, involuntary conversion is the alarm signal of high petential or low potential, thus, surveillance device only reads the alarm signal of this high petential or low potential, and because be the alarm signal that forces generation by checking device, so in the time of can improving the running of known fan system exception, surveillance device easily reads the error signal disappearance.
Therefore, for achieving the above object, the present invention discloses a kind of fan system, it mainly is made up of a motor, a driver element and a checking device, wherein this driver element is electrically connected on this motor, and this driver element is in order to produce a drive signal to drive this motor running; This checking device then is electrically connected on an output terminal of this driver element and receives a voltage signal, this motor running just often, this checking device output one detects signal, and this motor running is when unusual, this checking device then receives a testing signal, and according to this voltage signal this to be detected signal conversion be that an alarm signal is for the interpretation anomaly.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the composition schematic representation of known fan system.
Fig. 2 A is the oscillogram that detects signal () of known fan system.
Fig. 2 B is the oscillogram that detects signal (two) of known fan system.
Fig. 3 is fan system first embodiment's of the present invention composition schematic representation.
Fig. 4 is fan system second embodiment's of the present invention composition schematic representation.
Fig. 5 A is fan system second embodiment part detailed circuit diagram () of the present invention.
Fig. 5 B is the oscillogram that detects signal of Fig. 5 A.
Fig. 6 A is fan system second embodiment part detailed circuit diagram (two) of the present invention.
Fig. 6 B is the oscillogram that detects signal of Fig. 6 A.
The reference numeral explanation
1 fan system, 2 surveillance devices
10 motors, 20 driver elements
30 rotating speed sensing cells, 40 checking devices
41 switch blocks, 42 first switch blocks
43 second switch assemblies, 50 amplification circuits
R
1First resistor R
2Second resistor
R
3The 3rd resistor R
4The 4th resistor
R
5The 5th resistor R
6The 6th resistor
R
7The 7th resistor
S
1Detect signal S
2Testing signal
S
aSurge signal S
bHigh potential signal
S
cLow-potential signal S
dAlarm signal
V
INInput voltage V
sVoltage signal
Embodiment
See also shown in Figure 3, the present invention discloses a kind of fan system 1, it is electrically connected with a surveillance device 2, and this fan system 1 mainly is made up of a motor 10, a driver element 20 and a checking device 40, wherein this driver element 20 is electrically connected on this motor 10, and this driver element 20 receives an input voltage V
INTo produce a drive signal (not shown) to drive this motor 10 runnings, this checking device 40 is electrically connected on an output terminal (not label) of this driver element 20 and receives a voltage signal V
s, when this motor 10 worked well, these checking device 40 outputs one detected signal S
1, and when these motor 10 runnings were unusual, 40 of this checking devices received a testing signal S
2, and according to this voltage signal V
sAnd this is detected signal S
1Be converted to an alarm signal for the interpretation anomaly.
This driver element 20 receives an input voltage V
IN, and produce power by this driving this motor 10, and in the middle of this embodiment, this driver element 20 can be an intergrated circuit (IC), a microcontroller (MCU) or a single-chip, therefore, it drives the function of this motor 10, can and/or carry out by software program by hardware circuit structure.
This driver element 20 also is electrically connected with a rotary speed controling unit 30, this rotating speed sensing cell 30 can be embodied as a Hall subassembly or a Hall integrated circuit (IC) in this embodiment, it can be in order to the operating condition of this motor 10 of sensing, and produce a feedback signal (indicating) at any time to this driver element 20, and this driver element 20 continues generation by this, and this detects signal S
1, be that this rotary speed controling unit 30 also can be incorporated in this driver element 20, and function remains unchanged, and does not explain in addition at this what this also will remark additionally.
What this also must illustrate be, this drive signal can be embodied as a pulse signal in this embodiment, can be a pulse width modulating signal (Pulse Width Modulation especially; PWM), and this detect signal S
1Under these motor 10 normal operations also is a pulse signal, and can be a pulse width modulating signal equally.
Please consult shown in Figure 4ly again, be another preferred embodiment of the present invention, the difference place of itself and the foregoing description, be in the present embodiment, between this driver element 20 and this surveillance device 2, be electrically connected with an amplification circuit 50, it detects signal S in order to this that this driver element 20 is exported
1Amplify, and make this surveillance device 2 when receiving the operating condition of judging this motor 10, can be more clear.
Please consult shown in Fig. 5 A again, be first kind of circuit mode of execution of this checking device 40 among Fig. 3, as shown in the figure, this checking device 40 can be by a switch block 41, one first resistor R
1, one second resistor R
2And one the 3rd resistor R
3Form; This switch block 41 is electrically connected on this output terminal of this driver element 20, and this switch block 41 receives a testing signal S
2With conducting, and related this output terminal of this driver element 20 that makes is electrically connected on a ground end; This first resistor R
1Be electrically connected between this output terminal and this switch block 41 of this driver element 20; This second resistor R
2Be electrically connected on this switch block 41, and receive this testing signal of transmission S
2To this switch block 41; The 3rd resistor R
3Be electrically connected on this second resistor R
2, and receive this voltage signal of transmission V
sTo this second resistor R
2
This motor 10 is under normal operation, and this switch block 41 is for closing, this checking device 40 do not influence that this driver element 20 is sent to this surveillance device 2 this detect signal S
1(waveform when running well shown in Fig. 5 B), in case unusual operating condition (for example being that foreign matter blocks flabellum) takes place this motor 10, this fan system 1 will produce this testing signal S so
2, and make these switch block 41 conductings, make simultaneously this output head grounding of this driver element 20 to that is to say that this surveillance device 2 will read this and detect signal S
2Become the alarm signal S of low potential
d(its magnitude of voltage is zero shown in Fig. 5 B), thus, this motor 10 conversion magnetic pole how no matter, neither causing influences the value that this surveillance device 2 is read, at this moment, this surveillance device 2 can produce an order that stops or restarting according to this phenomenon, if the order of restarting, then after abnormal state was got rid of, this detected signal S
1Can reply again and be previous waveform (shown in Fig. 5 B).
Above-mentioned this switch block 41 can be a bipolarity mating face transistor (BJT), a metal oxide semiconductcor field effect transistor (MOSFET) or a maqting type field-effect transistor (JFET) at this, can conducting as long as meaning promptly has through triggering make this output head grounding person of this driver element 20, all can be considered the equivalent elements that has identical function and replaced.
Please consult shown in Fig. 6 A again, be second kind of circuit mode of execution of this checking device 40 among Fig. 3, as shown in the figure, this checking device 40 can be by one first switch block 42, a second switch assembly 43, one the 4th resistor R
4, one the 5th resistor R
5, one the 6th resistor R
6, one the 7th resistor R
7Form; This first switch block 42 is electrically connected on this output terminal of this driver element 20, and this first switch block 42 receives a testing signal S
2With conducting; This second switch assembly 43 is electrically connected between this output terminal and this surveillance device 2 of this driver element 20; The 4th resistor R
4Be electrically connected on this driver element 20 and this second switch assembly 43, and the 4th resistor R
4Receive this voltage signal V
sThe 5th resistor R
5Be electrically connected between this driver element 20 and this first switch block 42, when these first switch block, 42 conductings, the 5th resistor R
5Be electrically connected to this ground end; The 6th resistor R
6Be electrically connected on this first switch block 42, and receive this testing signal of transmission S
2To this first switch block 42; The 7th resistor R
7Be electrically connected on the 6th resistor R
6, and receive this voltage signal of transmission V
sTo the 6th resistor R
6
This motor 10 is under normal operation, and this first switch block 42 is for closing, this checking device 40 do not influence that this driver element 20 is sent to this surveillance device 2 this detect signal S
1(waveform when running well shown in Fig. 6 B), in case unusual operating condition (for example being that foreign matter blocks flabellum) takes place this motor 10, this fan system 1 will produce this testing signal S so
2, and make these first switch block, 42 conductings, make the 4th resistor R simultaneously
4And the 5th resistor R
5Form a bleeder circuit, and the current potential of the set voltage signal (not shown) in the dividing potential drop that produces in view of the above and these surveillance device 2 inside equates, therefore make this second switch assembly 43 form closed condition, and thus, this surveillance device 2 directly reads this voltage signal (magnitude of voltage can set up on their own) of its inside, that is this alarm signal S of the high petential shown in Fig. 6 B
d, therefore, this motor 10 conversion magnetic pole how no matter, neither causing influences the value that this surveillance device 2 is read, and at this moment, this surveillance device 2 can produce an order that stops or restarting according to this phenomenon, if the order of restarting, then after abnormal state was got rid of, this detected signal S
1Can reply again and be previous waveform (shown in Fig. 6 B).
In sum, because of complying with a kind of fan system of the present invention and checking device thereof, it is by the detect signal of checking device so that driver element is exported, when motor generation running is unusual, involuntary conversion is the alarm signal of high petential or low potential, thus, surveillance device only reads the alarm signal of this high petential or low potential, and because be the alarm signal that forces generation by checking device, because height when not having the conversion of known magnetic pole, the mutual replacement of low potential caused the disappearance that reads error, so can make the user that better supervision effect is arranged, and can in time react follow-up action, use and improve Security and utilization rate.
The above only is an illustration, but not is limitation of the present invention.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the claim of the present invention its equivalent modifications of carrying out or change.
Claims (20)
1. fan system includes:
One motor;
One driver element is electrically connected on this motor, and this driver element produces a drive signal to drive this motor running; And
One checking device, be electrically connected on this driver element and receive a voltage signal, this motor running just often, this checking device output one detects signal, and this motor running is when unusual, this checking device then receives a testing signal, and according to this voltage signal this to be detected signal conversion be that an alarm signal is for the interpretation anomaly.
2. fan system as claimed in claim 1, wherein this driver element is a single-chip, an intergrated circuit or a microcontroller.
3. fan system as claimed in claim 1, wherein this driver element also is electrically connected with a rotating speed sensing cell, and this rotating speed sensing cell is fed back to this driver element with motor operation state.
4. fan system as claimed in claim 3, wherein this rotating speed sensing cell is a Hall subassembly or a Hall IC.
5. fan system as claimed in claim 1, wherein this detects signal and is respectively a pulse signal or a pulse width modulating signal with this drive signal.
6. fan system as claimed in claim 1, wherein this alarm signal is a direct current voltage signal, its magnitude of voltage is zero.
7. fan system as claimed in claim 6, wherein this checking device includes a switch block, and it is by this testing signal conducting, and makes an output terminal of this driver element see through this switch block to be electrically connected on a ground end.
8. fan system as claimed in claim 7, wherein this switch block is a bipolarity mating face transistor, a metal oxide semiconductcor field effect transistor or a maqting type field-effect transistor.
9. fan system as claimed in claim 7, wherein this checking device also comprises one first resistor, one second resistor and one the 3rd resistor, this first resistor is electrically connected on this output terminal of this driver element and one first end of this switch block, this second resistor is electrically connected on one second end of this switch block and receives this testing signal, and the 3rd resistor is electrically connected on this second resistor and receives this voltage signal.
10. fan system as claimed in claim 1, wherein this alarm signal is a direct current voltage signal, it is provided by being used for a surveillance device of interpretation.
11. fan system as claimed in claim 10, wherein this checking device includes one first switch block and a second switch assembly, this second switch electrical component is connected in an output terminal of this driver element, and one first end of this first switch block is electrically connected between this driver element and this second switch assembly, and one second termination is received this testing signal with conducting, and this second switch assembly is then closed by receiving this voltage signal simultaneously.
12. fan system as claimed in claim 11, wherein this first switch block and this second switch assembly are a bipolarity mating face transistor, a metal oxide semiconductcor field effect transistor or a maqting type field-effect transistor.
13. fan system as claimed in claim 11, wherein this checking device also comprises one the 4th resistor, one the 5th resistor, one the 6th resistor and one the 7th resistor, the 4th resistor is electrically connected on this second switch assembly and receives this voltage signal, the 5th resistor is electrically connected on this second switch assembly and this first switch block, the 6th resistor is electrically connected on this first switch block and receives this testing signal, and the 7th resistor is electrically connected on the 6th resistor and receives this voltage signal.
14. fan system as claimed in claim 1 wherein also includes an amplification circuit, it is electrically connected between this driver element and this surveillance device, detects signal in order to this that amplifies the output of this driver element.
15. checking device, be electrically connected between a fan system and the surveillance device and receive a voltage signal and a testing signal, wherein this fan system output one detect signal to this surveillance device to differentiate operating condition, and this fan system is when unusual running, export a testing signal, checking device then includes:
One switch block is electrically connected on this fan system, conducting when this switch block receives this testing signal, and make this fan system be electrically connected on a ground end, be low potential and make this detect signal.
16. checking device as claimed in claim 15, wherein this checking device also comprises one first resistor, one second resistor and one the 3rd resistor, this first resistor is electrically connected on one first end of this fan system and this switch block, this second resistor is electrically connected on one second end of this switch block and receives this testing signal, and the 3rd resistor is electrically connected on this second resistor and receives this voltage signal.
17. checking device as claimed in claim 15, wherein this to detect the magnitude of voltage of signal when this fan system turns round unusually be zero.
18. checking device, be electrically connected between a fan system and the surveillance device and receive a voltage signal and a testing signal, wherein this fan system output one detect signal to this surveillance device to differentiate operating condition, and this fan system is when unusual running, export a testing signal, checking device then includes:
One first switch block is electrically connected on this fan system, conducting when this first switch block receives this testing signal;
One second switch assembly is electrically connected on this fan system and this first switch block, and when the first switch block conducting, this second switch assembly is closed according to a voltage signal, and makes this detect signal to be provided as a high petential by this surveillance device.
19. checking device as claimed in claim 18, wherein this checking device also comprises one the 4th resistor, one the 5th resistor, one the 6th resistor and one the 7th resistor, the 4th resistor is electrically connected on this second switch assembly and receives this voltage signal, the 5th resistor is electrically connected on this second switch assembly and this first switch block, the 6th resistor is electrically connected on this first switch block and receives this testing signal, and the 7th resistor is electrically connected on the 6th resistor and receives this voltage signal.
20. checking device as claimed in claim 18, wherein this detects the magnitude of voltage that the magnitude of voltage of signal when this fan system turns round unusually is about this voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610058937 CN101033750A (en) | 2006-03-08 | 2006-03-08 | Fan system and detecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610058937 CN101033750A (en) | 2006-03-08 | 2006-03-08 | Fan system and detecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101033750A true CN101033750A (en) | 2007-09-12 |
Family
ID=38730450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610058937 Pending CN101033750A (en) | 2006-03-08 | 2006-03-08 | Fan system and detecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101033750A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072183A (en) * | 2008-03-06 | 2011-05-25 | 德尔塔T公司 | Fan control system with sensor |
| US8672649B2 (en) | 2007-10-10 | 2014-03-18 | Delta T Corporation | Ceiling fan system with brushless motor |
| CN103908098B (en) * | 2014-03-25 | 2017-04-05 | 上海乔马电子科技有限公司 | A kind of heating refrigeration control system and method for seat |
| CN111810436A (en) * | 2020-08-03 | 2020-10-23 | 珠海奔图电子有限公司 | Detection device and image forming apparatus |
| CN114263629A (en) * | 2020-09-16 | 2022-04-01 | 台达电子工业股份有限公司 | Fan management system and method |
| CN114688063A (en) * | 2020-12-29 | 2022-07-01 | 昆山广兴电子有限公司 | Automatic fan detection system and automatic fan detection method |
-
2006
- 2006-03-08 CN CN 200610058937 patent/CN101033750A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8672649B2 (en) | 2007-10-10 | 2014-03-18 | Delta T Corporation | Ceiling fan system with brushless motor |
| US11268528B2 (en) | 2007-10-10 | 2022-03-08 | Delta T, Llc | Ceiling fan system with brushless motor |
| CN102072183A (en) * | 2008-03-06 | 2011-05-25 | 德尔塔T公司 | Fan control system with sensor |
| CN102072183B (en) * | 2008-03-06 | 2014-09-03 | 德尔塔T公司 | Fan control system with sensor |
| CN103908098B (en) * | 2014-03-25 | 2017-04-05 | 上海乔马电子科技有限公司 | A kind of heating refrigeration control system and method for seat |
| CN111810436A (en) * | 2020-08-03 | 2020-10-23 | 珠海奔图电子有限公司 | Detection device and image forming apparatus |
| CN114263629A (en) * | 2020-09-16 | 2022-04-01 | 台达电子工业股份有限公司 | Fan management system and method |
| CN114263629B (en) * | 2020-09-16 | 2024-04-26 | 台达电子工业股份有限公司 | Fan management system and method |
| CN114688063A (en) * | 2020-12-29 | 2022-07-01 | 昆山广兴电子有限公司 | Automatic fan detection system and automatic fan detection method |
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Open date: 20070912 |