CN206338221U - Air-treatment unit blower motor the using and the reserved automatic switching control equipment - Google Patents
Air-treatment unit blower motor the using and the reserved automatic switching control equipment Download PDFInfo
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- CN206338221U CN206338221U CN201621489855.6U CN201621489855U CN206338221U CN 206338221 U CN206338221 U CN 206338221U CN 201621489855 U CN201621489855 U CN 201621489855U CN 206338221 U CN206338221 U CN 206338221U
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- auxiliary reclay
- contactor
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Abstract
A kind of air-treatment unit blower motor the using and the reserved automatic switching control equipment, it is characterised in that：Also include a standby motor and a switching circuit, switching circuit includes detection decision circuitry and electric control circuit；Detection decision circuitry is used for the rotating speed or air quantity and output switching signal for detecting motor, the coil of output one first auxiliary reclay of termination of detection decision circuitry；The component of electric control circuit includes first contactor, second contactor and the second auxiliary reclay；The control loop of electric control circuit is：The power supply connects one first node, and the normally-closed contact of first node through the second auxiliary reclay connects the coil of first contactor, the coil of normally opened contact of first node also through the first auxiliary reclay to the second auxiliary reclay；First node also the first normally opened contact through the second auxiliary reclay to second contactor coil.
Description
Technical field
The utility model belongs to air-treatment unit field, and in particular to a kind of air-treatment unit blower motor one uses one
Standby automatic switching control equipment.
Background technology
In various factory floors, in order to reach that production environment condition is typically fitted with air-treatment unit.Existing sky
The blower fan of gas disposal unit only provides power by a motor, if motor breaks down（Such as overload burning）Air-treatment can be caused
Unit is out-of-blast.This is for there is the factory floor of constant ventilation requirement to environment, and such as chemical industry, medicament compartment will have a strong impact on
Being normally carried out for production, upsets the progress of its production process, or even causes to stop work.
The content of the invention
The utility model purpose is to provide a kind of air-treatment unit blower motor the using and the reserved automatic switching control equipment, to keep away
Exempt from electrical fault influence, it is ensured that the lasting air-supply of air-treatment unit.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of air-treatment unit blower motor one
With one for automatic switching control equipment, the rotating shaft of the blower fan of the air-treatment unit is connected with the output shaft of a motor；Also wrap
A standby motor and a switching circuit are included, the output shaft of the standby motor is also connected with the rotating shaft transmission of blower fan；
The switching circuit includes detection decision circuitry and electric control circuit；The detection decision circuitry is used to detect
The rotating speed or air quantity and output switching signal of motor, the line of output one first auxiliary reclay of termination of the detection decision circuitry
Circle；
The component of the electric control circuit includes first contactor, second contactor and the second auxiliary reclay；
The major loop of the electric control circuit is：Main contacts of the three phase mains through first contactor connects the electricity of the motor
Source, also the main contacts through second contactor connects the power end of the standby motor to three phase mains；
The control loop of the electric control circuit is：The power supply connects one first node, and first node is through in second
Between the normally-closed contact of relay connect the coil of first contactor, normally opened contact of first node also through the first auxiliary reclay
To the coil of the second auxiliary reclay；First node also the first normally opened contact through the second auxiliary reclay to second contact
The coil of device.
In such scheme, the component of the control loop of the electric control circuit also includes motor operation indicator lamp, standby
With motor run indicator and fault alarm；Second normally opened contact of first node through the second auxiliary reclay connects event
Hinder alarm, the first node also normally opened contact through first contactor is connected on motor operation indicator lamp；In the middle of described second after
First normally opened contact of electrical equipment connects the overhang of second contactor as the second node, and second node is through second contactor
Normally opened contact connect standby motor run indicator.
In such scheme, the 3rd of the second auxiliary reclay is also parallel with the normally opened contact of first auxiliary reclay
Normally opened contact.
In such scheme, the rotating shaft two ends of the blower fan are extended, and wherein the pulley mechanism of one end one is driven with motor
Connection, and the other end is connected through another pulley mechanism and standby motor.
Compared with prior art, the utility model has advantages below：
The utility model is realized can automatically switch to standby motor work when the motor failure of blower fan, it is ensured that
Blower fan is not stalled, maintain air-treatment unit normal operation, and now can fault alarm point out maintenance personal to faulty motor
Repaired.
Brief description of the drawings
Fig. 1 is the first blower fan of the utility model embodiment and motor connecting structure schematic diagram；
Fig. 2 is second of blower fan of the utility model embodiment and motor connecting structure schematic diagram；
Fig. 3 is the detection decision circuitry block diagram of the utility model embodiment；
Fig. 4 is the major loop schematic diagram of the electric control circuit of the utility model embodiment；
Fig. 5 is the control loop schematic diagram of the electric control circuit of the utility model embodiment；
Fig. 6 is the control loop schematic diagram of another specific electric control circuit of the utility model embodiment.
In the figures above：1st, blower fan；2nd, motor；3rd, standby motor；4th, pulley mechanism；5th, pulley mechanism.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment：Referring to shown in Fig. 1-Fig. 5：
The rotating shaft of the blower fan 1 of the air-treatment unit and the output shaft of a motor 2 are connected.
A kind of air-treatment unit blower motor the using and the reserved automatic switching control equipment, also including a standby motor 3 and one
Switching circuit,
Rotating shaft transmission of the output shaft of the standby motor 3 also with blower fan 1 is connected, and is specifically：As shown in figure 1, blower fan 1
Rotating shaft two ends are extended, and wherein the pulley mechanism 4 of one end one is connected with motor 2, and the other end is through another belt pulley machine
Structure 5 is connected with standby motor 3.In practice, Fig. 2 scheme can also be used：The motor 2 and standby the motor 3 company of transmission
On the one end for being connected to blower fan 1.
The switching circuit includes detection decision circuitry and electric control circuit.
It is described detection decision circuitry as shown in figure 3, for detect motor rotating speed or air quantity and output switching signal, it is described
Detect the one first auxiliary reclay KA1 of output termination of decision circuitry coil.
The component of the electric control circuit include first contactor KM1, second contactor KM2 and second in the middle of after
Electrical equipment KA2.
The major loop of the electric control circuit is：Shown in Figure 4, three phase mains is through first switch QF1, the first contact
Device KM1 main contacts, electrothermal relay FR1 connect the power end of the motor 2, and three phase mains is also through second switch QF2, the second contact
Device KM2 main contacts, electrothermal relay FR2 connect the power end of the standby motor 3.
The control loop of the electric control circuit is：Shown in Figure 5, the power supply meets one first node A, and this first
Normally-closed contacts of the node A through the second auxiliary reclay KA2 connects first contactor KM1 coil, and the first node A is also through first
Auxiliary reclay KA1 normally opened contact to the second auxiliary reclay KA2 coil；The first node A also through in the middle of second after
Electrical equipment KA2 the first normally opened contact to second contactor KM2 coil.
In order to instruction state and alarm, the component of the control loop of the electric control circuit also includes motor
Run indicator HL1, standby motor run indicator HL2 and fault alarm（Also indicator lamp HL3 is used in figure, in practice
Can be with audible-visual annunciator）.Second normally opened contacts of the first node A through the second auxiliary reclay KA2 connects fault alarm
The normally opened contact of HL3, the first node A also through first contactor KM1 is connected on motor operation indicator lamp HL1.In the middle of described second
The overhang that relay KA2 the first normally opened contact meets second contactor KM2 is passed through as the second node B, second node B
Second contactor KM2 normally opened contact meets standby motor run indicator HL2.
The 3rd that the second auxiliary reclay KA3 is also parallel with the normally opened contact of the first auxiliary reclay KA1 is normally opened
Contact.
During work, referring to QF1 and QF2 shown in Fig. 1-5, is first pushed to, first contactor KM1 coils obtain electric, made on major loop
First contactor KM1 main contacts closure, motor 2 start driving the normal work of blower fan 1, now standby motor 3 be transfer shape
State.Detection decision circuitry monitors the running status of blower motor 2 in real time（Rotating speed or air quantity）When rotating speed or air quantity drop to necessarily
When judge the failure of motor 2 i.e. output switching signal, the first auxiliary reclay KA1 coils is obtained electric, auxiliary reclay KA1's is normally opened
The closing of contact, makes the second auxiliary reclay KA2 coils obtain electric, and the second auxiliary reclay KA2 normally-closed contact disconnects, and makes first to connect
Tentaculum KM1 coil losing electricities, i.e., the first contactor KM1 main contacts on major loop is disconnected, and motor 2 is powered off；Second auxiliary reclay
KA2 the first normally opened contact closure, makes second contactor KM2 coils obtain electric, i.e., the second contactor KM2 main contacts on major loop
Closure, standby motor 3 starts work, continues to drive blower fan 1 to operate.Now, the second auxiliary reclay KA2 the second normally opened contact
Closure repairs the bright prompting maintenance personals of fault alarm i.e. lamp HL3；While, second contactor KM2 normally opened contact
Closure also lights standby motor run indicator HL2.
In practical application, also including such as next concrete scheme：
Two motors not specified and which run motor based on, and which is standby motor, and are named as 1# motors and 2# electricity
Machine.
It will detect that decision circuitry is used for the rotating speed or air quantity and output switching signal, institute for detecting 1# motors and 2# motors simultaneously
State the one first auxiliary reclay KA1 of output termination of detection decision circuitry coil
The control loop of electric control circuit is as shown in fig. 6, component includes a change-over switch SA, the second auxiliary reclay
KA2, the 3rd auxiliary reclay KA3,1# motor operation indicator lamp HL1,2# motor operation indicator lamp HL2,1# electrical fault are indicated
Lamp HL3 and 2# electrical fault indicator lamp HL4.Show connection such as Fig. 6 shapes, so that when change-over switch SA is beaten to 1. 2. connection, 3. 4.
Connect shelves when, i.e., based on 1# motors run motor 2# motors as standby motor, and when change-over switch SA beat to 5. 6. connection, 7.
Motor 1# motors, which are run, when 8. connecting shelves, i.e., based on 2# motors is used as standby motor.It is so designed that, such as 1# motors are used as main operation
After motor breaks down, 2# motors are first made as standby motor replacement worker, if wait maintenance personal to after live by change-over switch
6. 5. SA is switched to connects, 7. 8. connects shelves, i.e., 2# motors are decided operation motor, without shutdown after 1# electrical machmary maintenances are good
Switch motor；Equally, it is 1# motors first as standby motor replacement worker after 2# motors break down as main operation motor
Make, if wait maintenance personal to scene after by change-over switch SA switch to 1. 2. connection, 3. 4. connect shelves, i.e., 1# motors are decided
Motor is run, without shutdown switch motor after 2# electrical machmary maintenances are good.
Above-described embodiment is only to illustrate technical concept of the present utility model and feature, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (4)
1. a kind of air-treatment unit blower motor the using and the reserved automatic switching control equipment, turn of the blower fan of the air-treatment unit
The output shaft drive connection of axle and a motor；It is characterized in that：Also include a standby motor and a switching circuit, it is described standby
The output shaft of motor is also connected with the rotating shaft transmission of blower fan；
The switching circuit includes detection decision circuitry and electric control circuit；The detection decision circuitry is used to detect motor
Rotating speed or air quantity and output switching signal, the coil of output one first auxiliary reclay of termination of the detection decision circuitry；
The component of the electric control circuit includes first contactor, second contactor and the second auxiliary reclay；
The major loop of the electric control circuit is：Main contacts of the three phase mains through first contactor connects the power supply of the motor
End, also the main contacts through second contactor connects the power end of the standby motor to three phase mains；
The control loop of the electric control circuit is：The power supply connects one first node, first node through in the middle of second after
The normally-closed contact of electrical equipment connects the coil of first contactor, normally opened contact of first node also through the first auxiliary reclay to
The coil of two auxiliary reclays；First node also the first normally opened contact through the second auxiliary reclay is to second contactor
Coil.
2. air-treatment unit blower motor the using and the reserved automatic switching control equipment according to claim 1, it is characterised in that：Institute
Stating the component of the control loop of electric control circuit also includes motor operation indicator lamp, standby motor run indicator and event
Hinder alarm；Second normally opened contact of first node through the second auxiliary reclay connects fault alarm, and the first node is also passed through
The normally opened contact of first contactor is connected on motor operation indicator lamp；First normally opened contact of second auxiliary reclay connects
The overhang of two contactors is as the second node, and the normally opened contact of second node through second contactor connects standby motor fortune
Row indicator lamp.
3. air-treatment unit blower motor the using and the reserved automatic switching control equipment according to claim 1, it is characterised in that：Institute
State the 3rd normally opened contact that the second auxiliary reclay is also parallel with the normally opened contact of the first auxiliary reclay.
4. air-treatment unit blower motor the using and the reserved automatic switching control equipment according to claim 1, it is characterised in that：Institute
The rotating shaft two ends for stating blower fan are extended, and wherein the pulley mechanism of one end one is connected with motor, and the other end is through another skin
Belt wheel mechanism is connected with standby motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489855.6U CN206338221U (en) | 2016-12-30 | 2016-12-30 | Air-treatment unit blower motor the using and the reserved automatic switching control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489855.6U CN206338221U (en) | 2016-12-30 | 2016-12-30 | Air-treatment unit blower motor the using and the reserved automatic switching control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338221U true CN206338221U (en) | 2017-07-18 |
Family
ID=59304243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621489855.6U Active CN206338221U (en) | 2016-12-30 | 2016-12-30 | Air-treatment unit blower motor the using and the reserved automatic switching control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726019A (en) * | 2017-09-13 | 2018-02-23 | 安徽光华安防电子有限公司 | A kind of adjusting means of the monitoring angle of monitoring camera |
| CN112546946A (en) * | 2020-12-08 | 2021-03-26 | 山东瑞尚机械有限公司 | Aluminum oxide seed precipitation decomposer |
-
2016
- 2016-12-30 CN CN201621489855.6U patent/CN206338221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726019A (en) * | 2017-09-13 | 2018-02-23 | 安徽光华安防电子有限公司 | A kind of adjusting means of the monitoring angle of monitoring camera |
| CN112546946A (en) * | 2020-12-08 | 2021-03-26 | 山东瑞尚机械有限公司 | Aluminum oxide seed precipitation decomposer |
| CN112546946B (en) * | 2020-12-08 | 2021-08-13 | 山东瑞尚机械有限公司 | Aluminum oxide seed precipitation decomposer |
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