CN107882762B - Blower control method - Google Patents
Blower control method Download PDFInfo
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- CN107882762B CN107882762B CN201711038766.9A CN201711038766A CN107882762B CN 107882762 B CN107882762 B CN 107882762B CN 201711038766 A CN201711038766 A CN 201711038766A CN 107882762 B CN107882762 B CN 107882762B
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- China
- Prior art keywords
- contactor
- control circuit
- blower
- contact
- button
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/007—Conjoint control of two or more different functions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of blower control methods, when the exhaust fan used time, press low rate start button usually, the coil of first contactor obtains electric, motor is in low-speed running state, at this point, the coil of third contactor cannot be powered, when blower to be made stops, low speed stop button is pressed, the first intermediate relay control circuit is powered, and the coil of the first intermediate relay obtains electric, first contactor control circuit power loss, motor power-off stalling.When fire, if being automatically brought into operation, switching switch is got into automatic transmission, when fire resisting damper interlocks the second contact closure, third contactor control circuit obtains electric, and second contactor control circuit, which obtains electric motor and is in, to run at high speed state.When manually controlling switching switch is got to manual, press High-speed Control button, third contactor control circuit obtains electric, and second contactor control circuit obtains motor and is in the state that runs at high speed.It is low that the present invention can solve blower utilization rate of the existing technology, the high problem of entreprise cost.
Description
Technical field
The present invention relates to fire-fighting equipment manufacturing technology field, especially a kind of blower control method for air draft of ventilating.
Background technique
As high buildings and large mansions are more and more, fire department requires to be increasingly stringenter to the security against fire of high buildings and large mansions, blower
It is mounted on the subterranean layer of mansion mostly, and subterranean layer is often ventilated all not so good due to the limitation of condition, existing air-blower control
Method only takes into account air draft in the case of fire without in view of ventilation usually, additionally mounted row is wanted in ventilation usually
Gas fan, so the utilization rate of blower does not make full use of, increases the cost of enterprise.
Summary of the invention
The object of the present invention is to provide a kind of blower control methods, it can solve blower utilization rate of the existing technology
It is low, the high problem of entreprise cost.
To solve the above-mentioned problems, the technical solution adopted by the present invention is that: this blower control method, using air-blower control
Route realizes, which includes low speed stop button and stop button, in the low speed stop button and first
Between relay connect to form the first intermediate relay control circuit, first intermediate relay and low rate start button and first
Contactor connects to form first contactor control circuit, and the low rate start button is in parallel with second intermediate relay to be formed
The first contactor holding circuit, the stop button and fire resisting damper interlock the first contact, High-speed Control button, high-speed starting
Button, second contactor, third intermediate relay, motor protecter and the second intermediate relay connect to form the second intermediate relay
Device control circuit, the high-speed starting button is in parallel with the first contactor to form the second intermediate relay self-insurance electricity
Road, the stop button and the fire resisting damper interlock the first contact, switching switch, High-speed Control button, first contactor and the
Three contactors connect to form third contactor control circuit, and the stop button and the fire resisting damper interlock the first contact, switching
Switch, third contactor and second contactor connect to form second contactor control circuit, and the third contactor and high speed are controlled
Button parallel connection processed forms third contactor holding circuit, and third intermediate relay and fire resisting damper interlock the second contact shunt and formed simultaneously
Join circuit, the stop button interlocks the first contact, switching switch, parallel circuit and third relay with the fire resisting damper and connects
Form third control relay circuit；
Its implementation is:, when the exhaust fan used time, the low rate start button is pressed usually, the first contactor
Coil obtains electric, and motor is in low-speed running state, at this point, the first contactor in the third contactor control circuit is normal
Closed contact disconnects, and the coil of the third contactor cannot be powered, and blower is used as exhaust fan, when blower to be made stops,
The low speed stop button is pressed, the first intermediate relay control circuit is powered, the coil of first intermediate relay
Obtain electric, the normally-closed contact disconnection of first intermediate relay in the first contactor control circuit, first contact
The coil losing electricity of device, motor power-off stalling, blower are out of service；
When a fire, if being automatically brought into operation in the room that disappears, switching switch is got into automatic transmission, when the fire prevention
When valve interlocks the second contact closure, the third contactor control circuit obtains electric institute in the second contactor control circuit
Third contactor normally opened contact closure is stated, the second contactor control circuit obtains motor and is in the state that runs at high speed, blower
Into fire control smoke exhausting state.When at the scene use manual mode control when by the switching switch get to it is manual, at this point, pressing
The High-speed Control button, the third contactor control circuit obtain it is electric, described in the second contactor control circuit
Three contactor normally opened contacts closure, the second contactor control circuit obtain motor and are in the state that runs at high speed, and blower enters
Fire control smoke exhausting state.When the temperature in the air duct of blower is greater than 300 degree, the fire resisting damper interlocks the first contact and disconnects, and blower stops
Only operate.
In above-mentioned technical proposal, more specifically scheme be can also be；The motor is connected between the two-phase of power supply
Protector.
First contactor connects to form low rate start indicating circuit with the first indicator light, and the second contactor refers to second
Show that lamp string joins to form high-speed starting indicating circuit.
By adopting the above-described technical solution, compared with prior art, the present invention having the beneficial effect that due to this hair
It is bright that blower is controlled using double-speed motor, it can usually use slowspeed machine that blower is driven to come as the exhaust fan that subterranean layer is ventilated
With when a fire, with high-speed motor drive blower as fire control smoke exhausting use, a tractor serves several purposes has saved cost for enterprise.
Detailed description of the invention
Fig. 1 is the principle of the present invention wiring schematic diagram.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Blower control method shown in FIG. 1 realizes that the air-blower control route includes that low speed stops using air-blower control route
Only button 1SB and stop button 3SB, low speed stop button 1SB and the first intermediate relay 1KA connect to form the first intermediate relay
Device control circuit, the first intermediate relay 1KA connects with low rate start button 2SB and first contactor KM1 to be formed first and contacts
Device control circuit, low rate start button 2SB is in parallel with the second intermediate relay to form the first contactor KM1 holding circuit,
Stop button 3SB and fire resisting damper interlock the first contact, High-speed Control button 4SB, high-speed starting button 5SB, second contactor
KM2, third intermediate relay 3KA, motor protecter BHQ and the second intermediate relay 2KA connect to form the second intermediate relay
Control circuit, high-speed starting button 5SB is in parallel with first contactor KM1 to form the second intermediate relay 2KA holding circuit,
Stop button 3SB and fire resisting damper interlock the first contact, switching switch SA, High-speed Control button 4SB, first contactor KM1 and the
Three contactor KM3 connect to form third contactor control circuit, and stop button 3SB interlocks the first contact with fire resisting damper, switching is opened
It closes SA, third contactor KM3 and second contactor KM2 to connect to form second contactor control circuit, third contactor KM3 and height
Fast control button 4SB parallel connection forms third contactor holding circuit, and third intermediate relay 3KA and fire resisting damper interlock the second contact
Parallel connection forms parallel circuit, stop button 3SB and fire resisting damper interlock the first contact, switching switch SA, parallel circuit and third after
Electric appliance 3KA connects to form third control relay circuit.
Its implementation is:, when the exhaust fan used time, pressing low rate start button 2SB, the line of first contactor KM1 usually
Enclose electric, motor is in low-speed running state, at this point, the first contactor KM1 normally-closed contact in third contactor control circuit
It disconnects, the coil of third contactor KM3 cannot be powered, and blower is used as exhaust fan, when blower to be made stops, pressing low speed
Stop button 1SB, the first intermediate relay control circuit be powered, the coil of first intermediate relay (1KA) obtain it is electric, first
The normally-closed contact of the first intermediate relay 1KA in contactor control circuit disconnects, the coil losing electricity of first contactor KM1, electricity
Machine power-off stalling, blower are out of service.
When a fire, if being automatically brought into operation in the room that disappears, switching switch SA is got into automatic transmission, when fire resisting damper interlocks
When the second contact closure, third contactor control circuit obtains electric, and the third contactor KM3 in second contactor control circuit is normally opened
Contact closure, second contactor control circuit obtain motor and are in the state that runs at high speed, and blower enters fire control smoke exhausting state.When
Scene is manual using switching switch SA is got to when manual mode control, at this point, pressing High-speed Control button 4SB, third is connect
Tentaculum control circuit obtains electric, the third contactor KM3 normally opened contact closure in second contactor control circuit, second contactor control
Circuit processed obtains motor and is in the state that runs at high speed, and blower enters fire control smoke exhausting state.When the temperature in the air duct of blower is greater than 300
When spending, fire resisting damper interlocks the first contact and disconnects, and blower shuts down.
Element in Fig. 1 in dotted line frame is to be located at the indoor element of fire-fighting.
Motor protecter BHQ is connected between the two-phase of power supply.
First contactor KM1 connects to form low rate start indicating circuit with the first indicator light HL1, second contactor KM2 with
Second indicator light HL2 connects to form high-speed starting indicating circuit.
For motor in low speed turn, the first indicator light HL1 in low rate start indicating circuit is bright；Motor is in high speed turn
When, the second indicator light HL2 in high-speed starting indicating circuit is bright.
Claims (3)
1. a kind of blower control method, it is characterised in that: realized using air-blower control route, which includes low
Fast stop button (1SB) and stop button (3SB), the line of the low speed stop button (1SB) and the first intermediate relay (1KA)
Circle series connection forms the first intermediate relay control circuit, the normally-closed contact and low rate start of first intermediate relay (1KA)
Button (2SB) and the coil of first contactor (KM1) connect to form first contactor control circuit, the low rate start button
(2SB) formation first contactor (KM1) holding circuit in parallel with the normally opened contact of the second intermediate relay, the stop button
(3SB) and fire resisting damper interlock the first contact, High-speed Control button (4SB), high-speed starting button (5SB), second contactor (KM2)
Normally-closed contact, the normally-closed contact of third intermediate relay (3KA), among the normally-closed contact and second of motor protecter (BHQ)
The coil of relay (2KA) connects to form the second intermediate relay control circuit, the high-speed starting button (5SB) and described the
The normally opened contact parallel connection of one contactor (KM1) forms the second intermediate relay (2KA) holding circuit, the stop button (3SB)
With the fire resisting damper interlock the first contact, switching switch (SA), High-speed Control button (4SB), first contactor (KM1) it is normally closed
The coil of contact and third contactor (KM3) connects to form third contactor control circuit, the stop button (3SB) with it is described
Fire resisting damper interlocks the first contact, switching switch (SA), the normally opened contact of third contactor (KM3) and second contactor (KM2)
Coil connects to form second contactor control circuit, the normally opened contact and High-speed Control button of the third contactor (KM3)
(4SB) is in parallel to form third contactor holding circuit, normally opened contact and the fire resisting damper interlocking second of third intermediate relay (3KA)
Contact shunt forms parallel circuit, the stop button (3SB) and the fire resisting damper interlock the first contact, switching switch (SA),
The coil of parallel circuit and third relay (3KA) connects to form third control relay circuit；
Its implementation is:, when the exhaust fan used time, pressing the low rate start button (2SB), the first contactor usually
(KM1) coil obtains electric, and motor is in low-speed running state, at this point, described first in the third contactor control circuit
Contactor (KM1) normally-closed contact disconnects, and the coil of the third contactor (KM3) cannot be powered, and blower is used as exhaust fan,
When blower to be made stops, the low speed stop button (1SB) is pressed, the first intermediate relay control circuit is powered, institute
The coil for stating the first intermediate relay (1KA) obtains electric, first intermediate relay in the first contactor control circuit
The normally-closed contact of (1KA) disconnects, the coil losing electricity of the first contactor (KM1), motor power-off stalling, and blower is out of service；
When a fire, if being automatically brought into operation in fire-fighting room, switching switch (SA) is got into automatic transmission, when described anti-
When fiery valve interlocks the second contact closure, the third contactor control circuit obtain it is electric, in the second contactor control circuit
Third contactor normally opened contact closure, the second contactor control circuit obtain electric, and motor is in the state that runs at high speed, wind
Machine enters fire control smoke exhausting state；
When at the scene use manual mode control when by the switching switch (SA) get to it is manual, at this point, pressing the high speed
Control button (4SB), the third contactor control circuit obtain electric, and the third in the second contactor control circuit connects
Tentaculum (KM3) normally opened contact closure, the second contactor control circuit obtain electric, and motor is in and runs at high speed state, blower into
Enter fire control smoke exhausting state；
When the temperature in the air duct of blower is greater than 300 degree, the fire resisting damper interlocks the first contact and disconnects, and blower shuts down.
2. a kind of blower control method according to claim 1, it is characterised in that: connected between the two-phase of power supply
State the coil of motor protecter (BHQ).
3. a kind of blower control method according to claim 1 or 2, it is characterised in that: the first contactor (KM1)
Normally opened contact connects to form low rate start indicating circuit with the first indicator light (HL1), the normally opened touching of the second contactor (KM2)
Point connects to form high-speed starting indicating circuit with the second indicator light (HL2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038766.9A CN107882762B (en) | 2017-10-30 | 2017-10-30 | Blower control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038766.9A CN107882762B (en) | 2017-10-30 | 2017-10-30 | Blower control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107882762A CN107882762A (en) | 2018-04-06 |
| CN107882762B true CN107882762B (en) | 2019-10-18 |
Family
ID=61783036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711038766.9A Active CN107882762B (en) | 2017-10-30 | 2017-10-30 | Blower control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882762B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521470U (en) * | 2009-07-29 | 2010-07-07 | 中国建筑西南设计研究院有限公司 | Fan control circuit applicable to common fire protection and usual use |
| CN203308757U (en) * | 2013-06-14 | 2013-11-27 | 佛山市小鹰电气有限公司 | Fire protection fan control circuit |
| JP3190337U (en) * | 2014-02-06 | 2014-05-08 | 孝夫 塩見 | Automatic rotation speed switching / stop / restart controller for electric fan |
| CN203847421U (en) * | 2014-04-15 | 2014-09-24 | 重庆亚东亚集团软件有限公司 | Cable tunnel draught fan control device |
| CN203867949U (en) * | 2014-04-02 | 2014-10-08 | 山东同圆设计集团有限公司 | Fan control circuit |
| CN204140473U (en) * | 2014-09-09 | 2015-02-04 | 东莞市创业电气设备有限公司 | A kind of air draft smoke evacuation Double Speed Fan control circuit |
| CN204419656U (en) * | 2014-12-17 | 2015-06-24 | 天津市威匡电气设备有限公司 | A kind of control box of Double Speed Fan |
| CN204476826U (en) * | 2015-03-20 | 2015-07-15 | 浙江聚英风机工业有限公司 | A kind of fire-fighting Double Speed Fan control system |
| CN106100510A (en) * | 2016-06-25 | 2016-11-09 | 黄志强 | Double-speed motor control method |
-
2017
- 2017-10-30 CN CN201711038766.9A patent/CN107882762B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521470U (en) * | 2009-07-29 | 2010-07-07 | 中国建筑西南设计研究院有限公司 | Fan control circuit applicable to common fire protection and usual use |
| CN203308757U (en) * | 2013-06-14 | 2013-11-27 | 佛山市小鹰电气有限公司 | Fire protection fan control circuit |
| JP3190337U (en) * | 2014-02-06 | 2014-05-08 | 孝夫 塩見 | Automatic rotation speed switching / stop / restart controller for electric fan |
| CN203867949U (en) * | 2014-04-02 | 2014-10-08 | 山东同圆设计集团有限公司 | Fan control circuit |
| CN203847421U (en) * | 2014-04-15 | 2014-09-24 | 重庆亚东亚集团软件有限公司 | Cable tunnel draught fan control device |
| CN204140473U (en) * | 2014-09-09 | 2015-02-04 | 东莞市创业电气设备有限公司 | A kind of air draft smoke evacuation Double Speed Fan control circuit |
| CN204419656U (en) * | 2014-12-17 | 2015-06-24 | 天津市威匡电气设备有限公司 | A kind of control box of Double Speed Fan |
| CN204476826U (en) * | 2015-03-20 | 2015-07-15 | 浙江聚英风机工业有限公司 | A kind of fire-fighting Double Speed Fan control system |
| CN106100510A (en) * | 2016-06-25 | 2016-11-09 | 黄志强 | Double-speed motor control method |
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| Publication number | Publication date |
|---|---|
| CN107882762A (en) | 2018-04-06 |
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| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20201127 Address after: Room A105, public service center, No.1 Zhongma street, Qinzhou Industrial Park, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Hengrui Information Technology Co.,Ltd. Address before: 545006 the Guangxi Zhuang Autonomous Region Liuzhou city and the Industrial District Yang Xu East Road No. 4 Patentee before: Tang Zeguang |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fan control method Effective date of registration: 20230403 Granted publication date: 20191018 Pledgee: Bank of Guilin Co.,Ltd. Qinzhou branch Pledgor: Guangxi Hengrui Information Technology Co.,Ltd. Registration number: Y2023450000047 |