CN203685641U - Protection device capable of automatically detecting running state of fan - Google Patents
Protection device capable of automatically detecting running state of fan Download PDFInfo
- Publication number
- CN203685641U CN203685641U CN201320839857.3U CN201320839857U CN203685641U CN 203685641 U CN203685641 U CN 203685641U CN 201320839857 U CN201320839857 U CN 201320839857U CN 203685641 U CN203685641 U CN 203685641U
- Authority
- CN
- China
- Prior art keywords
- sensor
- baffle plate
- operation state
- fan
- tinsel
- 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 - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 230000025518 detection of mechanical stimulus involved in sensory perception of wind Effects 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 7
- 239000007853 buffer solution Substances 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A protection device capable of automatically detecting a running state of a fan comprises a buffer base, a motor, a gear reducer, fan blades, and a ventilation duct, wherein a square frame is mounted above the ventilation duct; a baffle for detecting the air direction is hinged to a hinge at the bottom corner inside the frame; a metal sheet is mounted on each of the upper side and the lower side of the free end of the baffle; a first sensor and a second sensor adjacent to each other are mounted on the bottom surface in the frame; a third sensor is mounted on the side wall in the frame; a pressing spring is arranged right above the second sensor; both the first sensor and the pressing spring are corresponding to the metal sheet on the bottom of the baffle in position when the baffle is in a horizontal position; the third sensor is corresponding to the metal sheet on the surface of the baffle in position when the baffle is in a vertical position; the motor is in signal connection with a computer in a control room through the first sensor, the second sensor and the third sensor. The protection device provided by the utility model has the benefits that the device is simple in structure, convenient and practical, and can observe whether the fan works normally or not in the control room to avoid accidents.
Description
Technical field
The utility model relates to a kind of protective gear of automatic detection fan operation state.
Background technique
In cell furnace production line, keeping the stable operation of kiln system is the most important thing of daily kiln maintenance work.But, because the fusing of glass liquid must be high-temperature operation, especially the position such as the upper strata pool wall of melting end, breastwork, gable wall, large arch arch quarrel and anti-arch, directly contact with flame, temperature is up to 1,500 degree, particularly near the metal line of the upper strata tank block of melting end, except hot flame, also be subject to the fluctuation up and down of metal level and the convection current of glass liquid and wash away, therefore the erosion of tank block is more serious.In order to extend the working life of melting furnaces, must blow positions such as the upper strata pool wall of melting end, breastwork, gable wall, large arch arch quarrel and anti-arch coolingly, the effect of kiln cooling blower blows cooling to above-mentioned position exactly.
The kiln fan device that we use at present is mainly made up of motor, reduction gears mechanism, coupling, fan blade, ventilation duct, bradyseism base.Control room operator on duty starts operation button in control room, on-the-spot motor obtains electric rotation, after slowing down by reduction gears mechanism, drive coupling to carry out equidirectional rotation, rotating power is passed to fan blade by coupling simultaneously, drive fan blade to rotate, the air quantity that fan blade rotation produces is delivered to kiln by ventilation duct needs cooling down position, is used for the temperature of cooling kiln stove brick.
With regard to the kiln fan device that we use at present, in the course of the work if there is following problem, find major accident hidden danger will occur not in time: 1, in blower fan normal course of operation, there was a mechanical failure, for example: reduction gears mechanism internal fault ruptures, coupling retainingf key comes off etc., although now motor normally rotates, but fan blade is not followed rotation, finally cause cold wind cannot blow to the kiln position that need to lower the temperature, cause that major accident occurs; 2, after in control room, remote button starts, outside general power is connect instead by artificial anti-phase or the motor phase utmost point, causes motor reversal, and fan blade is followed reversion, finally causes cold wind cannot blow to the kiln position that need to lower the temperature, and causes major accident generation; 3, after control room remote button starts or normally in service because circuit power-off, electrical fault, on-the-spot motor not electric rotation, finally cause blower fan to rotate, cold wind cannot blow to the kiln position that need to lower the temperature, and causes major accident generation; 4 moreover, the kiln cooling blower using at present, whether control room operator on duty cannot observe clearly blower fan in normal working or halted state control room, only has by leaving control room and goes to scene and just can observe, and is unfavorable for blower fan working condition to monitor in real time.
Summary of the invention
In order to overcome, kiln fan plant failure in current blower fan using process easily causes the accident, whether control room operator on duty cannot observe blower fan in normal problem of working control room, the utility model proposes a kind of control room operator on duty and can observe blower fan in control room whether at the protective gear of normally working, avoid the automatic detection fan operation state causing the accident.
The protective gear of automatic detection fan operation state described in the utility model, comprise bradyseism base, motor, gear reducer, fan blade, ventilation duct, the output shaft of described motor is connected with the input shaft of described gear reducer by coupling, described gear reducer output shaft is connected with described fan blade, and described ventilation duct is arranged on the exhaust outlet place of described fan blade; Described motor, gear reducer, fan blade is installed on described bradyseism base, it is characterized in that: quadra is equipped with in described ventilation duct top, the hinged baffle plate for detection of wind direction on described framework interior bottom corners hinge, tinsel is all equipped with in the free-ended upper and lower surfaces of described baffle plate; Described framework inner bottom surface is installed by adjacent first sensor and the second sensor, madial wall are installed the 3rd sensor, directly over the second described sensor, be furnished with holddown spring, described first sensor, described holddown spring all corresponding, the 3rd sensor in the tinsel position of the baffle plate bottom surface when being horizontal are corresponding with the surperficial tinsel position of the baffle plate when the vertical position; Described motor is connected with the Computer signal in control room by described first sensor, the second sensor and the 3rd sensor.
The pendulum angle of described baffle plate centered by the hinge of base angle is 0～90 degree.
The second described installation of sensors framework inner bottom surface arrange groove in, directly over be provided with holddown spring.
In the groove that the 3rd described installation of sensors arranges at framework madial wall.
On described quadra, have the access hole of being furnished with cover plate.
Described cover plate is fixed on described access hole place by 4 screws.
Described 1～2 tinsel of baffle plate bottom surface preparation, a corresponding sensor of tinsel.
Described first sensor, the second sensor, the 3rd sensor is all replaceable is optoelectronic switch.
Workflow: normally in service when blower fan, for example, because various mechanical failure (: reduction gears mechanism internal fault ruptures, coupling retainingf key comes off etc.), although motor normally moves, fan blade reality shuts down.Now in ventilation duct, there is no blast, baffle plate is closed under Action of Gravity Field, the first sensor on the left side of quadra downside receives the signal of the tinsel of baffle plate bottom surface, send into the DCS system of the computer in control room, through control program processing, control stops fan operation, produces alarm signal simultaneously, and warning operator judges that current blower fan is for abnormal operating state;
When blower fan normally moves, motor is rotated in the forward, drive fan blade rotation by gear reducer and coupling, now in ventilation duct, producing forward blast promotion baffle plate opens, the tinsel of baffle plate upper surface is contacted with the 3rd sensor, now the 3rd sensor sensing in the upper groove of quadra right side is to baffle plate upper metal sheet, and producing switching value signal sends in the DCS system of control chamber, through control program processing, produce operation index signal, the current blower fan of prompting operator on duty is in running order;
While normally stopping in fan operation, motor shuts down, fan blade also stops operating simultaneously, now produce without blast in ventilation duct, the weight of the tinsel by baffle plate and baffle plate bottom surface makes flapper closure, and now the first sensor on the left side of framework underside senses baffle plate bottom surface tinsel, and producing switching value signal sends in the DCS system of control room, through control program processing, produce stop signal, the current blower fan of prompting operator on duty is for the state of quitting work;
After fan starting, once occur motor reversal, thereby drive fan blade reversion, the negative sense blast producing in airduct makes flapper closure, and because under the effect of negative sense blast pressure, baffle plate is by holddown spring, and now the second sensor sensing in holddown spring low groove, to the tinsel of baffle plate bottom surface, produces switching value signal and sends into control room DCS system, through control program processing, control stops fan operation, produces alarm signal simultaneously, and the current blower fan of warning operator is in inverted status.
When equipment need to overhaul in framework, can, by unclamping four screws, take out cover plate, at this moment maintainer can be overhauled and change equipment very easily by access hole.
The beneficial effect of this novel practical is: 1, blower fan is normally in service, because various mechanical failures (for example: reduction gears mechanism internal fault ruptures, coupling retainingf key comes off etc.), although motor normally moves, but fan blade reality shuts down, the sensor of this timer is sent signal into control room DCS system, through control program processing, controls blower fan working state, produce alarm signal, warning operator can judge current blower fan working state simultaneously; 2, contacting of three sensors by the baffle plate in quadra and diverse location, producing signal is sent in control room, through DCS routine processes, provide different index signals, operator on duty can not need to leave own job post, at any time with carving the working state that can both know very clearly blower fan.
Brief description of the drawings
Fig. 1 is structural drawing of the present utility model (arrow represents air current flow direction).
Fig. 2 is quadra cut-away view of the present utility model.
Fig. 3 is that the D of access hole of the present utility model is to structural drawing.
Embodiment
Further illustrate the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
The protective gear of automatic detection fan operation state described in the utility model, comprise bradyseism base 1, motor 2, gear reducer 3, fan blade 4, ventilation duct 5, the output shaft of described motor 2 is connected with the input shaft of described gear reducer 3 by coupling, described gear reducer 3 output shafts are connected with described fan blade 4, and described ventilation duct 5 is arranged on the exhaust outlet place of described fan blade 4; Described motor 2, gear reducer 3, fan blade 4 is installed on described bradyseism base 1, quadra 6 is equipped with in described ventilation duct 5 tops, the hinged baffle plate 62 for detection of wind direction on described framework 6 interior bottom corners hinges 61, tinsel 621 is all equipped with in the free-ended upper and lower surfaces of described baffle plate 62; Described framework 6 inner bottom surfaces are installed by adjacent first sensor 63 and the second sensor 64, madial wall are installed the 3rd sensor 65, directly over the second described sensor 64, be furnished with holddown spring 641, described first sensor 63, described holddown spring 641 all corresponding, the 3rd sensor 65 in the tinsel position of the baffle plate bottom surface when being horizontal are corresponding with the surperficial tinsel position of the baffle plate 62 when the vertical position; Described motor 2 is connected with the Computer signal in control room by described first sensor 63, the second sensor 64 and the 3rd sensor 65.
The pendulum angle of described baffle plate 62 centered by base angle hinge 61 is 0～90 degree.
The second described sensor 64 be arranged on framework 6 inner bottom surfaces arrange groove in, directly over be provided with holddown spring 641.
The 3rd described sensor 65 is arranged in the groove of framework 6 madial walls settings.
On described framework 6, have the access hole 66 of being furnished with cover plate 67.
Described cover plate 67 is fixed on described access hole 66 places by 4 screws 671.
Described 1～2 tinsel of baffle plate 62 bottom surface preparations, a corresponding sensor of tinsel.
Described first sensor 63, the second sensor 64, the 3rd sensor 65 is all replaceable is optoelectronic switch.
Workflow: normally in service when blower fan, for example, because various mechanical failure (: gear reduction unit 3 structure internal faults rupture, coupling retainingf key comes off etc.), although motor 2 normally moves, fan blade 4 reality shut down.Now in ventilation duct 5, there is no blast, baffle plate 62 is closed under Action of Gravity Field, the first sensor 63 on the left side of quadra 6 downsides receives the signal of the tinsel 621 of baffle plate 62 bottom surfaces, send into the DCS system of the computer in control room, through control program processing, control stops fan operation, produces alarm signal simultaneously, and warning operator judges that current blower fan is for abnormal operating state;
When blower fan normally moves, motor 2 is rotated in the forward, drive fan blade 4 to rotate by gear reducer 3 and coupling, now in ventilation duct 5, producing forward blast promotion baffle plate 62 opens, the tinsel 621 of baffle plate 62 upper surfaces is contacted with the 3rd sensor 65, now the 3rd sensor 65 in quadra 6 right side upper grooves senses baffle plate 62 upper metal sheets, and producing switching value signal sends in the DCS system of control chamber, through control program processing, produce operation index signal, the current blower fan of prompting operator on duty is in running order;
While normally stopping in fan operation, motor 2 shuts down, fan blade 4 also stops operating simultaneously, now ventilation duct 5 is interior produces without blast, and the weight of the tinsel by baffle plate 62 and baffle plate 62 bottom surfaces is closed baffle plate 62, and now the first sensor 63 on the left side of framework 6 downsides senses baffle plate 62 bottom surface tinsels, and producing switching value signal sends in the DCS system of control room, through control program processing, produce stop signal, the current blower fan of prompting operator on duty is for the state of quitting work;
After fan starting, once occur that motor 2 reverses, thereby drive fan blade 4 to reverse, the negative sense blast producing in airduct makes baffle plate 62 close, and because under the effect of negative sense blast pressure, baffle plate 62 is by holddown spring 641, the now tinsel of the required baffle plate of the second sensor sense 64 62 bottom surfaces in holddown spring 641 low grooves, produce switching value signal and send into control room DCS system, through control program processing, control stops fan operation, produces alarm signal simultaneously, and the current blower fan of warning operator is in inverted status.
When the interior equipment of framework 6 need to overhaul, can, by unclamping four screws 671, take out cover plate 67, at this moment maintainer can be overhauled and change equipment very easily by access hole 66.
Content described in this specification embodiment is only enumerating of way of realization to model utility design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also comprises that those skilled in the art conceive the equivalent technologies means that can expect according to the utility model.
Claims (8)
1. automatically detect the protective gear of fan operation state, comprise bradyseism base, motor, gear reducer, fan blade, ventilation duct, the output shaft of described motor is connected with the input shaft of described gear reducer by coupling, described gear reducer output shaft is connected with described fan blade, and described ventilation duct is arranged on the exhaust outlet place of described fan blade; Described motor, gear reducer, fan blade is installed on described bradyseism base, it is characterized in that: quadra is equipped with in described ventilation duct top, the hinged baffle plate for detection of wind direction on described framework interior bottom corners hinge, tinsel is all equipped with in the free-ended upper and lower surfaces of described baffle plate; Described framework inner bottom surface is installed by adjacent first sensor and the second sensor, madial wall are installed the 3rd sensor, directly over the second described sensor, be furnished with holddown spring, described first sensor, described holddown spring all corresponding, the 3rd sensor in the tinsel position of the baffle plate bottom surface when being horizontal are corresponding with the tinsel position of the baffle surface when the vertical position; Described motor is connected with the Computer signal in control room by described first sensor, the second sensor and the 3rd sensor.
2. the protective gear of automatic detection fan operation state as claimed in claim 1, is characterized in that: the pendulum angle of described baffle plate centered by the hinge of base angle is 0～90 degree.
3. the protective gear of automatic detection fan operation state as claimed in claim 1, is characterized in that: the second described installation of sensors framework inner bottom surface arrange groove in, directly over be provided with holddown spring.
4. the protective gear of automatic detection fan operation state as claimed in claim 1, is characterized in that: in the groove that the 3rd described installation of sensors arranges at framework madial wall.
5. the protective gear of automatic detection fan operation state as claimed in claim 1, is characterized in that: on described quadra, have the access hole of being furnished with cover plate.
6. the protective gear of automatic detection fan operation state as claimed in claim 5, is characterized in that: described cover plate is fixed on described access hole place by 4 screws.
7. the protective gear of automatic detection fan operation state as claimed in claim 1 or 2, is characterized in that: described 1～2 tinsel of baffle plate bottom surface preparation, a corresponding sensor of tinsel.
8. the protective gear of automatic detection fan operation state as claimed in claim 1, is characterized in that: described first sensor, the second sensor, the 3rd sensor is all replaceable is optoelectronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839857.3U CN203685641U (en) | 2013-12-18 | 2013-12-18 | Protection device capable of automatically detecting running state of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839857.3U CN203685641U (en) | 2013-12-18 | 2013-12-18 | Protection device capable of automatically detecting running state of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685641U true CN203685641U (en) | 2014-07-02 |
Family
ID=51007549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839857.3U Expired - Lifetime CN203685641U (en) | 2013-12-18 | 2013-12-18 | Protection device capable of automatically detecting running state of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685641U (en) |
-
2013
- 2013-12-18 CN CN201320839857.3U patent/CN203685641U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104392585B (en) | A kind of combustion gas interlink alarm system and method thereof | |
| CN201638382U (en) | Remote monitoring system of LED display screen | |
| CN104076789A (en) | Mine main drainage automatic control and remote monitoring system | |
| CN106785983B (en) | A kind of Multi-functional portable intelligent electric switch board for water supply installation | |
| CN108400406A (en) | Battery temperature control device and electric vehicle electric charging station for electric charging station | |
| CN102454589A (en) | Frequency conversion cooling tower fan running state monitoring and fault diagnosis remote monitor system | |
| CN102129245A (en) | City gas monitoring and warning system | |
| CN106374376A (en) | Intelligent fireproof and explosion-proof outdoor substation | |
| CN203685641U (en) | Protection device capable of automatically detecting running state of fan | |
| CN202003488U (en) | Gas leakage alarming and ventilating device | |
| CN205811336U (en) | A kind of power distribution network detection and control terminal case | |
| CN202331113U (en) | Online monitoring system for air-cooling device of transformer | |
| CN207282934U (en) | A kind of Electric Appliance Cabinet for being provided with danger early warning detection function | |
| CN203233142U (en) | Motor temperature control protection system | |
| JP2021009657A (en) | Detection system for cloud server center ventilation system | |
| CN105811266A (en) | Measurement and control terminal box of power distribution network | |
| CN202421816U (en) | Online monitoring control system for condensed water recovery of steam boiler | |
| CN212631542U (en) | Full-automatic fire extinguishing device | |
| CN203965910U (en) | Long-distance transport pipes valve chamber monitoring box | |
| CN102645551A (en) | Wind speed detection device | |
| CN204760764U (en) | Block terminal of can reporting to police | |
| CN209805717U (en) | Intelligent explosion-proof variable-frequency speed-regulating energy-saving control cabinet | |
| CN206365167U (en) | A kind of industrial automation operating desk | |
| CN202560532U (en) | Remote monitoring system for monitoring and fault diagnosis of running states of variable-frequency cooling tower fan | |
| CN205730041U (en) | Box type electric generator group fire-fighting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |