CN209083632U - The protection system of three-dimensional rotation oscillating fan - Google Patents
The protection system of three-dimensional rotation oscillating fan Download PDFInfo
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- CN209083632U CN209083632U CN201821889784.8U CN201821889784U CN209083632U CN 209083632 U CN209083632 U CN 209083632U CN 201821889784 U CN201821889784 U CN 201821889784U CN 209083632 U CN209083632 U CN 209083632U
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- steering motor
- dimensional rotation
- protection system
- control signal
- switch
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Abstract
The utility model discloses a kind of protection systems of three-dimensional rotation oscillating fan, are related to knitting machine dedusting technology field.Technical points include controller, steering motor and fan motor, and the controller includes: current sensor, are connected on steering motor driving circuit, and export power detection signal according to detection steering motor driving circuit；Comparing unit, including two comparison input terminals and an output end, one of relatively input terminal electrical connection current sensor receives power detection signal, another comparison input terminal is electrically connected with reference circuit for outputting the reference voltage, and output end is based on benchmark voltage and power detection signal output control signal；Controllable switch is series at the driving circuit of the fan motor, and the triggering end of suspension control signal is connect including one, controls opening and breaking for itself according to the control signal that triggering end inputs, the utility model has the advantages that preventing conducting wire from winding protects conducting wire.
Description
Technical field
The utility model relates to knitting machine dedusting technology fields, more specifically, it relates to a kind of three-dimensional rotation fishtail wind
The protection system of fan.
Background technique
Currently, the Chinese patent that notification number is CN101113549B disclose it is a kind of can three-dimensional rotation knitting machine dedusting dress
It sets, it includes the vertical mobile jib on board, and rotation and electrical connector set on mobile jib upper end drive the rotation and be electrically connected
The driving mechanism of fitting rotation, the fan connecting rod with the rotation and electrical connector synchronous rotary, is set to fan and connects rod end
Portion can circle in transverse plane around mobile jib simultaneously and make random angle in vertical plane around deceleration mechanism output shaft
The deceleration mechanism that the fan of degree rotation is used to slow down and commutate, and the master controller of control dust-extraction unit operation.
It is similar to above-mentioned knitting machine dust remover in the prior art comprising the fan motor of driving flabellum rotation, with
And the steering motor of driving fan motor rotation, and necessary connecting wire power supply and control on fan motor, when in steering motor
Drive fan motor same direction rotation it is excessive when, will lead on fan motor conducting wire winding, exist and pull apart conducting wire
Risk.
Utility model content
Problem in view of the prior art, the purpose of this utility model is to provide a kind of protections of three-dimensional rotation oscillating fan
System has the advantages that prevent conducting wire winding protection conducting wire.
To achieve the above object, the utility model provides following technical solution: a kind of guarantor of three-dimensional rotation oscillating fan
Protecting system, including controller, steering motor and fan motor, the controller include:
Current sensor is connected on steering motor driving circuit, and according to detection steering motor driving circuit output electricity
Detect signal；
Comparing unit, including two comparison input terminals and an output end, one of relatively input terminal are electrically connected electric current
Sensor receives power detection signal, another comparison input terminal is electrically connected with reference circuit for outputting the reference voltage, exports
End group is in benchmark voltage and power detection signal output control signal；
Controllable switch is series at the driving circuit of the fan motor, and the triggering end of suspension control signal is connect including one,
Opening and breaking for itself is controlled according to the control signal that triggering end inputs.
By using above-mentioned technical proposal, when conducting wire is wound, conducting wire can give steering motor resistance, so that motor does work
Reduce, and electric current rises；Therefore by current sensor, the numerical value of electric current is obtained；When current values are excessive, comparing unit according to
The control signal that the numerical value output control controllable switch of electric current disconnects is disconnected and directly being closed after controllable switch obtains control signal
Steering motor plays protection to conducting wire to play the role of preventing steering motor from winding conducting wire.
The utility model is further arranged to: the reference circuit includes concatenated potentiometer R1 and reference resistance R2, institute
Reference voltage is stated to be exported by the node between potentiometer R1 and reference resistance R2.
By using above-mentioned technical proposal, by the way that potentiometer R1 and reference resistance R2 is arranged, so that potentiometer R1 and benchmark
Voltage value between resistance R2 can change, to reach the adjusting to reference voltage.
The utility model is further arranged to: the comparing unit includes:
Comparator OA1, non-inverting input terminal receive power detection signal, and inverting input terminal connects reference voltage；
S/R latch U1, R input connect the output end of comparator OA1, Q output output control signal.
By using above-mentioned technical proposal, pass through the cooperation of comparator OA1 and S/R latch U1, the circuit electricity of steering motor
After detecting signal eminence reference voltage, then stable level signal can be exported by S/R latch U1, to keep level to believe
Number stabilization.
The utility model is further arranged to: the controllable switch includes first switch pole pipe Q1 and the first relay, institute
Stating the first relay includes that first coil KA11 and first switch KA12, the first switch KA12 are series at the control of steering motor
Circuit processed, one end of the first coil KA11 connect supply voltage, and one end connects the collector of first switch pole pipe Q1, described
The base stage of first switch pole pipe Q1 receives control signal, the emitter ground connection of the first switch pole pipe Q1.
By using above-mentioned technical proposal, by the electrically mated of first switch pole pipe Q1 and the first relay, realize weak
Control of the electricity to forceful electric power circuit switch.
The utility model is further arranged to: the current sensor is Hall current sensor.
By using above-mentioned technical proposal, Hall current sensor passes through the electric current in Hall effect detection circuit, detection
It is convenient and safe.
The utility model is further arranged to: there is inverse parallel between the collector and emitter of the first switch pole pipe Q1
Diode D1.
By using above-mentioned technical proposal, diode D1 inverse parallel is first switch pole pipe on first switch pole pipe Q1
Q1 provides protection.
The utility model is further arranged to: mounting plate, the steering motor are fixed on the side wall of the fan motor
Output shaft outer end and mounting plate it is hinged, fastening bolt is installed between the mounting plate and the output shaft of steering motor.
It is hinged between fan motor and the output shaft of steering motor by using above-mentioned technical proposal, so that fan
The angle of motor can be adjusted according to oneself demand.
The utility model is further arranged to: deformation slot is offered in the middle part of the mounting plate.
By using above-mentioned technical proposal, deformation slot improves the elasticity of mounting plate, thus after fastening bolt is tightened,
The firmness for promoting connection can be reached.
Compared with prior art, the utility model has the beneficial effects that
(1) by setting current sensor, the numerical value of electric current is obtained；When current values are excessive, direct closing steering motor,
To play the role of preventing steering motor from winding conducting wire, protection is played to conducting wire.
(2) by will between fan motor and the output shaft of steering motor it is hinged, allow the angle root of fan motor
It is adjusted according to oneself demand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the circuit diagram of the present embodiment.
Appended drawing reference: 1, controller；2, steering motor；3, fan motor；4, mounting plate；5, deformation slot；6, current sense
Device；7, comparing unit；8, controllable switch；9, reference circuit.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment, a kind of protection system of three-dimensional rotation oscillating fan, as shown in Figure 1, including controller 1, steering motor 2
With fan motor 3.Wherein steering motor 2 is installed on the electric fan bar of the body of dust-extraction unit, fan motor 3 and steering motor 2
Output shaft be connected, fan motor 3 is rotated under the drive of steering motor 2.Controller 1 is electrically connected steering motor
2, for controlling the Qi Heting of steering motor 2.
Specifically, as shown in Figure 1, mounting plate 4 is fixed on the side wall of fan motor 3, outside the output shaft of steering motor 2
End and mounting plate 4 are hinged, and deformation slot 5 is offered in the middle part of loading board, peace is worn between mounting plate 4 and the output shaft of steering motor 2
Equipped with fastening bolt.It, can be tight by tightening after adjusting finishes the angle between mounting plate 4 and the output shaft of steering motor 2
Fixing bolt is fixed.
Specifically, as shown in Figure 1, 2, controller 1 includes current sensor 6, comparing unit 7 and controllable switch 8.Electric current passes
Sensor 6 obtains detection 2 driving circuit of steering motor and exports corresponding power detection signal；Comparing unit 7 is believed based on electro-detection is compared
Number control signal corresponding with built-in reference voltage output；Controllable switch 8 is realized and is driven to steering motor 2 according to control signal
It opens and breaks in dynamic circuit.
As shown in Fig. 2, current sensor 6 can be Hall current sensor 6, Hall current sensor 6 can pass through set
It is located on the driving circuit at 2 place of steering motor, obtains the current value of 2 place driving circuit of steering motor.And Hall current
Sensor 6 includes an output end, and the output end of Hall sensor is according to the corresponding output power detection signal of the current value of detection.
As shown in Fig. 2, comparing unit 7 includes comparator OA1, S/R latch U1 and reference circuit 9, comparator OA1's is same
Phase input terminal receives power detection signal, and the inverting input terminal of comparator OA1 connects reference circuit 9, receives reference voltage.SR is latched
The output end of the R input connection comparator OA1 of device U1, the S input terminal of S/R latch U1 can receive external signal VA, SR lock
The Q output output control signal of storage U1.Reference circuit 9 includes concatenated potentiometer R1 and reference resistance R2, potentiometer R1
One end far from reference resistance R2 connects power supply, and reference voltage is grounded far from one end of potentiometer R1.Potentiometer R1 and benchmark electricity
Hinder the node outputting reference voltage between R2.
As shown in Fig. 2, comparator OA1 exports high level signal to SR therefore when power detection signal is higher than reference voltage
The R input of latch U1, so that the Q output of S/R latch U1 exports low level control signal.
As shown in Fig. 2, controllable switch 8 includes first switch pole pipe Q1, the first relay, the 4th resistance R4 and diode
D1, the first relay include first coil KA11 and first switch KA12, and first switch KA12 is series at the control of steering motor 2
Circuit, one end of first coil KA11 connect supply voltage, and the other end connects the collector of first switch pole pipe Q1, first switch
The base stage of pole pipe Q1 receives control signal, is grounded after the 4th resistance R4 of emitter series connection of first switch pole pipe Q1.Diode D1
Inverse parallel provides protection between the collector and emitter of first switch pole pipe Q1, for first switch pole pipe Q1.
It the course of work of the utility model and has the beneficial effect that:
When conducting wire is wound, conducting wire can give steering motor 2 resistance, so that motor acting reduces, and electric current rises；Therefore
By current sensor 6, the numerical value of electric current is obtained, and exports corresponding power detection signal, when power detection signal is more than benchmark electricity
Pressure, comparator OA1 export high level, and S/R latch U1 exports low level control signal.Low level control signal makes first
First switch pole pipe Q1 cut-off is obtained, so that first coil KA11 is powered off, last first switch KA12 is disconnected, steering motor 2 is closed,
To play the role of preventing steering motor 2 from winding conducting wire, protection is played to conducting wire.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of protection system of three-dimensional rotation oscillating fan, including controller (1), steering motor (2) and fan motor (3),
It is characterized by: the controller (1) includes:
Current sensor (6) is connected on steering motor (2) driving circuit, and defeated according to detection steering motor (2) driving circuit
Power detection signal out；
Comparing unit (7), including two comparison input terminals and an output end, one of relatively input terminal electrical connection electric current pass
Sensor (6) receives power detection signal, another comparison input terminal is electrically connected with reference circuit for outputting the reference voltage (9),
Output end is based on benchmark voltage and power detection signal output control signal；
Controllable switch (8), is series at the driving circuit of the fan motor (3), and the triggering of suspension control signal is connect including one
End controls opening and breaking for itself according to the control signal that triggering end inputs.
2. the protection system of three-dimensional rotation oscillating fan according to claim 1, it is characterised in that: the reference circuit
It (9) include concatenated potentiometer R1 and reference resistance R2, the reference voltage is by the section between potentiometer R1 and reference resistance R2
Point output.
3. the protection system of three-dimensional rotation oscillating fan according to claim 2, it is characterised in that: the comparing unit
(7) include:
Comparator OA1, non-inverting input terminal receive power detection signal, and inverting input terminal connects reference voltage；
S/R latch U1, R input connect the output end of comparator OA1, Q output output control signal.
4. the protection system of three-dimensional rotation oscillating fan according to claim 3, it is characterised in that: the controllable switch
It (8) include first switch pole pipe Q1 and the first relay, first relay includes first coil KA11 and first switch
KA12, the first switch KA12 are series at the control loop of steering motor (2), and one end of the first coil KA11 connects electricity
Source voltage, one end connect the collector of first switch pole pipe Q1, and the base stage of the first switch pole pipe Q1 receives control signal, institute
State the emitter ground connection of first switch pole pipe Q1.
5. the protection system of three-dimensional rotation oscillating fan according to claim 3, it is characterised in that: the current sensor
(6) it is Hall current sensor (6).
6. the protection system of three-dimensional rotation oscillating fan according to claim 4, it is characterised in that: the first switch pole
Inverse parallel has diode D1 between the collector and emitter of pipe Q1.
7. the protection system of three-dimensional rotation oscillating fan according to claim 5, it is characterised in that: the fan motor
(3) it is fixed on side wall mounting plate (4), the outer end of the output shaft of the steering motor (2) and mounting plate (4) are hingedly, described
Fastening bolt is installed between mounting plate (4) and the output shaft of steering motor (2).
8. the protection system of three-dimensional rotation oscillating fan according to claim 7, it is characterised in that: the mounting plate (4)
Middle part offer deformation slot (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889784.8U CN209083632U (en) | 2018-11-16 | 2018-11-16 | The protection system of three-dimensional rotation oscillating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889784.8U CN209083632U (en) | 2018-11-16 | 2018-11-16 | The protection system of three-dimensional rotation oscillating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083632U true CN209083632U (en) | 2019-07-09 |
Family
ID=67124305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821889784.8U Active CN209083632U (en) | 2018-11-16 | 2018-11-16 | The protection system of three-dimensional rotation oscillating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083632U (en) |
-
2018
- 2018-11-16 CN CN201821889784.8U patent/CN209083632U/en active Active
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