CN206327982U - A kind of plaiter - Google Patents
A kind of plaiter Download PDFInfo
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- CN206327982U CN206327982U CN201621431797.1U CN201621431797U CN206327982U CN 206327982 U CN206327982 U CN 206327982U CN 201621431797 U CN201621431797 U CN 201621431797U CN 206327982 U CN206327982 U CN 206327982U
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Abstract
The utility model discloses a kind of plaiter, including frame, fabric guide roll, it is hinged on the swing arm of frame both sides and connects cloth container, also include water-cooling system, eccentric wheel is rotatably connected in the frame, the motor that transmission belt drives the eccentric wheel and the fabric guide roll to rotate is provided with the frame, the connecting rod for driving the swing arm to swing back and forth is hinged between the eccentric wheel and the swing arm, two blocks of relative selvage guide plates are provided between the lower end of the swing arm, the water-cooling system includes being arranged on the water-cooled vessel on the outside of the motor, cooler bin equipped with coolant, connect the water pump in cooler bin, the delivery port of the water pump is connected with the water inlet pipe of the water-cooled vessel and the outlet pipe of the water-cooled vessel and the cooler bin is connected；Have the advantages that to the good cooling results of motor, the long service life of motor and environmental protection and energy saving.
Description
Technical field
The utility model is related to technical field of textile machine, more specifically, it relates to a kind of plaiter.
Background technology
Plaiter is to be folded into cloth by specific length, calculates yield and conveniently into bag.Plaiter mainly includes machine
Frame, fabric guide roll, the swing arm for being hinged on frame both sides and connect cloth container.Fabric guide roll conveys cloth, and cloth drives in swing arm
Backswing is moved, and cloth is fallen and is folded in layers connects in cloth container.In the prior art, bias is rotatably connected in frame
The motor that driving eccentric wheel is rotated is taken turns and be fixed with, is hinged between eccentric wheel and the middle part of swing arm for driving swing arm to carry out backswing
Dynamic connecting rod.The thrust that connecting rod gives eccentric wheel during due to being swung back and forth in swing arm is in cyclically-varying, corresponding electricity
The power output of machine is also always in cyclically-varying, and motor can produce amount of heat in the case of working long hours, and make motor
Internal temperature is too high, influences the service life of motor, and the serious Inside coil that can then cause burns.
A kind of looped fabric plaiter, including a support are disclosed in Publication No. CN104973446A Chinese patent,
Support by four rhizosphere rectangular in form column and be arranged on two crossbeams at the top of column and being parallel to each other and constitute, every crossbeam
By two with upright supports.Looped fabric is first by entering cloth tension bracket so that looped fabric tension force is tightened up, then causes pin by spreading roll
Width of weaving cotton cloth is expanded to maximum, then causes looped fabric centering by translation centring roll, and the detection by centering sensor is entered
Enter upper hello cloth rewinder roll, then by feeding cloth buffering support plate buffering, hauled out by fabric guide roll is final from lower hello cloth rewinder roll, the electricity while swing rod slows down
Machine driving swing rod eccentric wheel is rotated, and swing rod eccentric wheel completes plaiting by connecting rod band driven fork swing.Due to being also to use
Eccentric wheel and connecting rod carry out band driven fork swing, and the reaction force that swing rod gives connecting rod is in cyclically-varying, causes the electricity that slows down
The power output of machine is changing always, in the case where working long hours, and the internal temperature of reducing motor can be made too high, influences reducing motor
Service life.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of plaiter, passes through water-cooled system
System accelerates the radiating of motor, so as to improve the service life of motor.
To achieve the above object, the utility model provides following technical scheme：
A kind of plaiter, including frame, fabric guide roll, be hinged on the swing arm of frame both sides and connect cloth container, also including water
Be rotatably connected in cooling system, the frame in eccentric wheel, the frame be provided with transmission belt drive the eccentric wheel and
The motor that the fabric guide roll is rotated, is hinged with the company for driving the swing arm to swing back and forth between the eccentric wheel and the swing arm
Two blocks of relative selvage guide plates are provided between bar, the lower end of the swing arm, the water-cooling system includes being arranged on outside the motor
The water-cooled vessel of side, the cooler bin equipped with coolant, the water pump connected in cooler bin, the delivery port for connecting the water pump and
The water inlet pipe of the water-cooled vessel and the outlet pipe for connecting the water-cooled vessel and the cooler bin.
By using above-mentioned technical proposal, cloth is transported to from fabric guide roll between two blocks of selvage guide plates, and cloth is again from two pieces
Fall, under the swinging back and forth of swing arm, rolled over from the cloth fallen between the lower end of two blocks of selvage guide plates between the lower end of selvage guide plate
Fold and fall into and connect in cloth container；Meanwhile, by opening the coolant in water pump, cooler bin under the conveying of water pump along water inlet pipe
Enter in water-cooled vessel, be passed through the water-cooled vessel after coolant and motor is cooled down, absorb the edge again of the coolant after heat
Outlet pipe flows back to cooler bin and cooled down, so as to reach the purpose for the radiating for accelerating motor, improves the service life of motor,
And coolant is recycled, economize on resources, it is more environmentally-friendly.
Further, it is provided with heat-conducting silica gel sheet between the water-cooled vessel and the motor.
By using above-mentioned technical proposal, after plaiter work, frame and motor can produce vibrations, due to heat conductive silica gel
Piece has damping sound-absorbing, sealing and good thermal conductivity, and heat-conducting silica gel sheet can fill the seam between water-cooled vessel and motor
Gap, makes to remain good heat transfer between water-cooled vessel and motor, so that motor obtains more preferable cooling effect.
Further, the water pump is coupled with the control system that the water pump according to the temperature control of motor is opened and closed, described
Control system includes：Temperature detecting unit, for detecting the temperature of motor, and exports temperature measurement signal；Upper limit comparison circuit, coupling
In the output end of the temperature detecting unit, the temperature measurement signal received and one correspond to the upper limit reference of upper limit working temperature
Voltage, which compares, exports a upper limit comparison signal；Lower limit comparison circuit, is coupled to the output end of the temperature detecting unit, will connect
The temperature measurement signal received exports a lower limit comparison signal compared with the lower limit reference voltage of lower working temperature is correspond to one；Open
Closed circuit, is coupled to the upper limit comparison circuit and the lower limit comparison circuit, to according to the upper limit comparison signal and institute
The break-make between the lower limit comparison signal control water pump and power supply is stated, is turned on when the temperature of motor is higher than upper limit working temperature
The connection of water pump and power supply, the connection of water pump and power supply is disconnected when the temperature of motor is less than lower working temperature.
By using above-mentioned technical proposal, conducting water pump and power supply only when the temperature of motor is higher than upper limit working temperature
Connection, and disconnect when the temperature of motor is less than lower working temperature the connection of water pump and power supply, realize and pass through control system
According to the keying of the temperature automatic control water pump of motor, and to open and close on demand, more energy-conservation.
Further, the temperature detecting unit includes：The thermistor RT of negative temperature coefficient, it is arranged at the motor
The temperature for detecting the motor is gone up and is used for, its one end is coupled to the first direct current Vout_1, the other end and a first resistor R1
It is grounded after series connection, the temperature measurement signal is produced between thermistor RT and first resistor R1.
Further, the upper limit comparison circuit includes：Upper limit reference voltage generation circuit, with a second resistance R2,
Its one end is coupled to the first direct current Vout_1, and the other end is grounded after being connected with a 3rd resistor R3, from second resistance R2 and the
The upper limit reference voltage is produced between three resistance R3；First comparator A, with an in-phase input end, an inverting input and
One output end, the inverting input is coupled between second resistance R2 and 3rd resistor R3, and in-phase input end is coupled to temperature-sensitive
Between resistance RT and first resistor R1, output end exports the upper limit comparison signal.
Further, the lower limit comparison circuit includes：Lower limit reference voltage generation circuit, with one the 4th resistance R4,
Its one end is coupled to the first direct current Vout_1, and the other end is grounded after being connected with one the 5th resistance R5, from the 4th resistance R4 and the
The lower limit reference voltage is produced between five resistance R5；Second comparator B, with an in-phase input end, an inverting input and
One output end, the inverting input is coupled between the 4th resistance R4 and the 5th resistance R5, and in-phase input end is coupled to temperature-sensitive
Between resistance RT and first resistor R1, output end exports the lower limit comparison signal.
Further, the keying circuit includes：First NPN triode Q1, its grounded emitter, base stage passes through one the 6th
Resistance R6 be coupled to first comparator A output end and by one the 9th resistance R9 and emitter stage altogether；First relay KM1,
The first end of its coil is coupled to the second direct current Vout_2, and the second end of its coil is coupled to the collection of the first NPN triode Q1
Electrode, its normally opened contact switch S1 is serially connected between water pump and power supply；First diode D1, its negative pole is coupled to the first relay
The first end of KM1 coil, positive pole is coupled to the second end of the first relay KM1 coil；Second NPN triode Q2, it is sent out
Emitter grounding, base stage is coupled to the output end of the second comparator B and by one the 8th resistance R8 by one the 7th resistance R7
With emitter stage altogether；Second relay KM2, the first end of its coil is coupled to the second direct current Vout_2, the second of its coil
End is coupled to the colelctor electrode of the second NPN triode, and its normally opened contact switch S2 one end and the first diode D1 positive pole are coupled, its
The normally opened contact switch S2 other ends are grounded；Second diode D2, its negative pole is coupled to the first of the second relay KM2 coil
End, positive pole is coupled to the second end of the second relay KM2 coil；3rd relay KM3, its coil one end is coupled to the one or two
Pole pipe D1 negative pole, the other end of its coil is coupled to the first diode D1 positive pole, and its normally opened contact switch S3 is coupled to
Between two relay KM2 normally opened contact switch S2 and the first diode D1 positive pole.
By using above-mentioned technical proposal, the temperature of motor is monitored in real time by thermistor RT, when the temperature of motor is high
When upper limit working temperature, first comparator A exports high level after the amplification of the first NPN triode Q1, the first relay KM1's
Normally opened contact switch S1 and the 3rd relay KM3 normally opened contact switch S3 are closed, normally opened contact switch S1 conducting water pump with
The connection of power supply, water pump is started working；Meanwhile, the temperature of motor is also above lower working temperature, the high electricity of the second comparator B outputs
It is flat, after amplifying through the second NPN triode Q2, the second relay KM2 normally opened contact switch S2 closures；And then when the temperature of motor
When degree is less than upper limit working temperature but is higher than lower working temperature, first comparator A output low levels, the first NPN triode Q1
Cut-off, the second comparator B still exports high level, and normally opened contact switch S2 is remained closed, and makes normally opened contact switch S1 and normally opened tactile
Point switch S3 is also remained closed, and water pump works on；When the temperature of motor is less than lower working temperature, the second comparator B is defeated
Go out low level, the second NPN triode Q2 cut-offs, normally opened contact switch S2 disconnects, normally opened contact switch S1 and normally opened contact switch
S3 is then turned off, and water pump disconnects the connection with power supply and is stopped, it is achieved thereby that passing through temperature of the control system according to motor
Spend the purpose of the keying of automatically controlled water pump.
Further, second resistance R2 and the 4th resistance R4 are variable resistance.
By using above-mentioned technical proposal, due to producing upper limit reference electricity between second resistance R2 and 3rd resistor R3
Pressure, from lower limit reference voltage is produced between the 4th resistance R4 and the 5th resistance R5, by changing second resistance R2 and the 4th resistance
R4 resistance can change upper limit reference voltage and lower limit reference voltage, and upper limit reference voltage and lower limit reference voltage are right respectively
Upper limit working temperature and lower working temperature are answered, the two is the foundation that water pump is opened and closed, so as to by adjusting second resistance R2
The upper limit working temperature and lower working temperature of regulation water pump keying are reached with the 4th resistance R4 resistance.
Compared with prior art, the utility model has the advantages that：
（1）The radiating that water-cooling system accelerates motor is provided with, the service life of motor is improved；
（2）Coolant is recycled, and is economized on resources, more environmentally-friendly；
（3）Heat-conducting silica gel sheet is provided between water-cooled vessel and motor, cooling effect of the water-cooled vessel to motor is improved；
（4）Keying of the control system according to the temperature automatic control water pump of motor is provided with, the purpose of energy-conservation has been reached.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the enlarged drawing in A portions in Fig. 1；
Fig. 3 is the structural representation of the present embodiment；
Fig. 4 is the enlarged drawing in B portions in Fig. 3；
Fig. 5 is the circuit diagram of the present embodiment；
Fig. 6 is the circuit diagram of power subsystem in the present embodiment.
Reference：1st, frame；2nd, fabric guide roll；3rd, swing arm；4th, cloth container is connect；5th, water-cooling system；6th, power transmission shaft；7th, it is eccentric
Wheel；8th, motor；9th, the first drive；10th, the second drive；11st, the 3rd drive；12nd, transmission belt；13rd, connecting rod；14th, selvage guide
Plate；15th, upper mounting rod；16th, lower mounting rod；17th, clamping side；18th, water-cooled vessel；19th, cooler bin；20th, water pump；21st, delivery port；
22nd, water inlet pipe；23rd, outlet pipe；24th, heat-conducting silica gel sheet；25th, control system；26th, temperature detecting unit；27th, the upper limit is more electric
Road；28th, lower limit comparison circuit；29th, circuit is opened and closed；30th, power subsystem；31st, upper limit reference voltage generation circuit；32nd, lower limit is joined
Examine voltage generation circuit.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
As shown in figure 1, a kind of plaiter, including frame 1, the fabric guide roll 2 in frame 1, it is hinged on the both sides of frame 1
Swing arm 3, be placed on the lower section of swing arm 3 connect cloth container 4 and water-cooling system 5.
As shown in Figure 3 and Figure 4, a rotatable power transmission shaft 6 is installed, the two ends of power transmission shaft 6 are respectively fixed with frame 1
It is fixed with one eccentric wheel 7, frame 1 on motor 8, output shaft, fabric guide roll 2 and the power transmission shaft 6 of motor 8 and is respectively fixed with
One drive 9, the second drive 10 and the 3rd drive 11, the second drive 10 and the 3rd drive 11 are driven with first respectively
Transmission belt 12 is connected between wheel 9, the connecting rod 13 for driving swing arm 3 to swing back and forth is hinged between eccentric wheel 7 and swing arm 3.
As depicted in figs. 1 and 2, two blocks of relative selvage guide plates 14 are installed between the lower end of swing arm 3, the lower end of swing arm 3 it
Between be fixed with a pair mounting rod 15 and a pair of lower mounting rods 16, the spacing of two upper mounting rods 15 are more than two lower mounting rods 16
Spacing.The upper and lower side of selvage guide plate 14 be respectively fixed with one respectively with upper mounting rod 15 and the clamping side of the phase clamping of lower mounting rod 16
17, so that two blocks of selvage guide plates 14 are relative and are connected at a slant on two upper mounting rods 15 and two lower mounting rods 16.
As depicted in figs. 1 and 2, water-cooling system 5 is including being fixed on the water-cooled vessel 18 in the outside of motor 8, equipped with coolant
Cooler bin 19, the water pump 20 connected in cooler bin 19, the water inlet pipe of the delivery port 21 for connecting water pump 20 and water-cooled vessel 18
22 and connect the outlet pipe 23 of water-cooled vessel 18 and cooler bin 19.Heat conductive silica gel is lined between water-cooled vessel 18 and motor 8
Piece 24, heat-conducting silica gel sheet 24 can fill the gap between water-cooled vessel 18 and motor 8, make between water-cooled vessel 18 and motor 8
Remain good heat transfer.Coolant can use water, cost-effective.
In a kind of plaiter work of the present embodiment, cloth is transported to from fabric guide roll 2 between two blocks of selvage guide plates 14, cloth
Material is fallen between the lower end of two blocks of selvage guide plates 14 again, under the swinging back and forth of swing arm 3, between the lower end of two blocks of selvage guide plates 14
The cloth fallen is folded and fallen into and connects in cloth container 4；Meanwhile, by opening the coolant in water pump 20, cooler bin 19 in water
Entered under the conveying of pump 20 along water inlet pipe 22 in water-cooled vessel 18, be passed through the water-cooled vessel after coolant 18 and motor 8 is entered
Coolant after row cooling, absorption heat flows back to cooler bin 19 along outlet pipe 23 again and cooled down, so as to reach quickening motor 8
Radiating purpose, improve the service life of motor 8, and coolant is recycled, and is economized on resources, it is more environmentally-friendly.
As shown in Figure 5 and Figure 6, water pump 20 is coupled with the control system 25 opened and closed according to the temperature control water pump 20 of motor 8,
Control system 25 includes：Temperature detecting unit 26, for detecting the temperature of motor 8, and exports temperature measurement signal；Upper limit comparison circuit
27, the output end of temperature detecting unit 26 is coupled to, the temperature measurement signal received be correspond into the upper of upper limit working temperature with one
Limit reference voltage, which compares, exports a upper limit comparison signal；Lower limit comparison circuit 28, is coupled to the output of temperature detecting unit 26
End, by the temperature measurement signal received compared with the lower limit reference voltage that correspond to lower working temperature export a lower limit compare
Signal；Open and close circuit 29, be coupled to upper limit comparison circuit 27 and lower limit comparison circuit 28, to according to upper limit comparison signal and under
The break-make between comparison signal control water pump 20 and power supply is limited, water pump is turned on when the temperature of motor 8 is higher than upper limit working temperature
20 with the connection of power supply, the connection of water pump 20 and power supply is disconnected when the temperature of motor 8 is less than lower working temperature；And power supply
Unit 30.
The circuit diagram of power subsystem 30 is filtered by step-down rectifier as shown in fig. 6, its input is coupled to 220V AC powers
After export the first direct current Vout_1, first direct current Vout_1 be 5V；Second direct current Vout_2, second direct current
Vout_2 is 12V, so that control system 25 is used, in addition, directly powered from the input of power subsystem 30 to water pump 20, i.e. water
The power supply of pump 20 is 220V AC powers.
As shown in figure 5, temperature detecting unit 26 includes：The thermistor RT of negative temperature coefficient, it is fixed on motor 8 simultaneously
Temperature for detecting motor 8, its one end is coupled to the first direct current Vout_1, and the other end is connected with a first resistor R1 and is followed by
Ground, temperature measurement signal is produced between thermistor RT and first resistor R1.
Upper limit comparison circuit 27 includes：Upper limit reference voltage generation circuit 31, with a second resistance R2, second resistance R2
For variable resistance, its one end is coupled to the first direct current Vout_1, and the other end is grounded after being connected with a 3rd resistor R3, from the
Upper limit reference voltage is produced between two resistance R2 and 3rd resistor R3；First comparator A, with an in-phase input end, one anti-phase
Input and an output end, inverting input are coupled between second resistance R2 and 3rd resistor R3, and in-phase input end is coupled to
Between thermistor RT and first resistor R1, output end output upper limit comparison signal.
Lower limit comparison circuit 28 includes：Lower limit reference voltage generation circuit 32, with one the 4th resistance R4, the 4th resistance R4
For variable resistance, its one end is coupled to the first direct current Vout_1, and the other end is grounded after being connected with one the 5th resistance R5, from the
Lower limit reference voltage is produced between four resistance R4 and the 5th resistance R5；Second comparator B, with an in-phase input end, one anti-phase
Input and an output end, inverting input are coupled between the 4th resistance R4 and the 5th resistance R5, and in-phase input end is coupled to
Between thermistor RT and first resistor R1, output end bottoming comparison signal.
In foregoing circuit, first comparator A and the second comparator B are active voltage comparator, power access end coupling
In the first direct current Vout_1, earth terminal ground connection.
Opening and closing circuit 29 includes：First NPN triode Q1, its grounded emitter, base stage is coupled by one the 6th resistance R6
In first comparator A output end and by one the 9th resistance R9 and emitter stage altogether；First relay KM1, the of its coil
One end is coupled to the second direct current Vout_2, and the second end of its coil is coupled to the colelctor electrode of the first NPN triode Q1, and its is normally opened
Contact switch S1 is serially connected between water pump 20 and power supply；First diode D1, its negative pole is coupled to the first relay KM1 coil
First end, positive pole is coupled to the second end of the first relay KM1 coil；Second NPN triode Q2, its grounded emitter,
Base stage by one the 7th resistance R7 be coupled to the second comparator B output end and by one the 8th resistance R8 and emitter stage altogether；
Second relay KM2, the first end of its coil is coupled to the second direct current Vout_2, and the second end of its coil is coupled to second
The colelctor electrode of NPN triode, its normally opened contact switch S2 one end and the first diode D1 positive pole are coupled, its normally opened contact switch
The S2 other ends are grounded；Second diode D2, its negative pole is coupled to the first end of the second relay KM2 coil, and positive pole is coupled to
Second end of the second relay KM2 coil；3rd relay KM3, its coil one end is coupled to the first diode D1 negative pole,
The other end of its coil is coupled to the first diode D1 positive pole, and its normally opened contact switch S3 is coupled to the second relay KM2's
Between normally opened contact switch S2 and the first diode D1 positive pole.
A kind of practical work process of plaiter of the present embodiment is as follows：
Monitor the temperature of motor 8 in real time by thermistor RT, when the temperature of motor 8 is higher than upper limit working temperature, the
One comparator A is exported after high level amplifies through the first NPN triode Q1, the first relay KM1 normally opened contact switch S1 and the
Three relay KM3 normally opened contact switch S3 is closed, normally opened contact switch S1 conducting water pumps 20 and the connection of power supply, water pump 20
Start working；Meanwhile, the temperature of motor 8 is also above lower working temperature, the second comparator B output high level, through the 2nd NPN tri-
After pole pipe Q2 amplifications, the second relay KM2 normally opened contact switch S2 closures；And then when the temperature of motor 8 is less than upper limit work
When making temperature but being higher than lower working temperature, first comparator A output low levels, the cut-off of the first NPN triode Q1, second compares
Device B still exports high level, and normally opened contact switch S2 is remained closed, and normally opened contact switch S1 and normally opened contact switch S3 is also kept
Closure, water pump 20 works on；When the temperature of motor 8 is less than lower working temperature, the second comparator B output low levels, the
Two NPN triode Q2 end, and normally opened contact switch S2 disconnects, and normally opened contact switch S1 and normally opened contact switch S3 are then turned off,
Water pump 20 disconnects the connection with power supply and is stopped.It is achieved thereby that automatic according to the temperature of motor 8 by control system 25
Control the purpose of the keying of water pump 20.
Due to producing upper limit reference voltage between second resistance R2 and 3rd resistor R3, from the electricity of the 4th resistance R4 and the 5th
Generation lower limit reference voltage between R5 is hindered, upper limit reference can be changed by the resistance for changing second resistance R2 and the 4th resistance R4
Voltage and lower limit reference voltage, and upper limit reference voltage and lower limit reference voltage correspond to upper limit working temperature and lower limit work respectively
Make temperature, the two is the foundation that water pump 20 is opened and closed, so as to be reached by adjusting second resistance R2 and the 4th resistance R4 resistance
The upper limit working temperature and lower working temperature opened and closed to regulation water pump 20.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of plaiter, including frame (1), fabric guide roll (2), it is hinged on the swing arm (3) of frame (1) both sides and connects cloth container
(4) eccentric wheel (7), the frame (1), it is characterised in that also including water-cooling system (5), are rotatably connected on the frame (1)
On be provided with transmission belt (12) drive the eccentric wheel (7) and the fabric guide roll (2) rotation motor (8), the bias
It is hinged between wheel (7) and the swing arm (3) under the connecting rod (13) for driving the swing arm (3) to swing back and forth, the swing arm (3)
Two blocks of relative selvage guide plates (14) are provided between end, the water-cooling system (5) includes being arranged on the water on the outside of the motor (8)
Cold containers (18), the cooler bin (19) equipped with coolant, the water pump (20) connected in cooler bin (19), connect the water pump
(20) water inlet pipe (22) of delivery port (21) and the water-cooled vessel (18) and the water-cooled vessel (18) and institute are connected
State the outlet pipe (23) of cooler bin (19).
2. a kind of plaiter according to claim 1, it is characterised in that the water-cooled vessel (18) and the motor (8)
Between be provided with heat-conducting silica gel sheet (24).
3. a kind of plaiter according to claim 1, it is characterised in that the water pump (20) is coupled with according to motor (8)
Temperature control described in the control system (25) that opens and closes of water pump (20), the control system (25) includes：
Temperature detecting unit (26), for detecting the temperature of motor (8), and exports temperature measurement signal；
Upper limit comparison circuit (27), is coupled to the output end of the temperature detecting unit (26), by the temperature measurement signal received with
The one upper limit reference voltage that correspond to upper limit working temperature, which compares, exports a upper limit comparison signal；
Lower limit comparison circuit (28), is coupled to the output end of the temperature detecting unit (26), by the temperature measurement signal received with
The one lower limit reference voltage that correspond to lower working temperature, which compares, exports a lower limit comparison signal；
Circuit (29) is opened and closed, the upper limit comparison circuit (27) and the lower limit comparison circuit (28) are coupled to, to according to institute
State upper limit comparison signal and the lower limit comparison signal controls break-make of the water pump (20) between power supply, when motor (8)
The connection of conducting water pump (20) and power supply when temperature is higher than upper limit working temperature, when the temperature of motor (8) is less than lower limit work temperature
The connection of water pump (20) and power supply is disconnected when spending.
4. a kind of plaiter according to claim 3, it is characterised in that the temperature detecting unit (26) includes：Subzero temperature
The thermistor RT of coefficient is spent, it is arranged on the motor (8) and be used for the temperature for detecting the motor (8), its one end coupling
The first direct current Vout_1 is connected to, the other end is grounded after being connected with a first resistor R1, from thermistor RT and first resistor R1
Between produce the temperature measurement signal.
5. a kind of plaiter according to claim 4, it is characterised in that the upper limit comparison circuit (27) includes：
Upper limit reference voltage generation circuit (31), with a second resistance R2, its one end is coupled to the first direct current Vout_1, separately
One end is grounded after being connected with a 3rd resistor R3, and the upper limit reference electricity is produced between second resistance R2 and 3rd resistor R3
Pressure；
First comparator A, with an in-phase input end, an inverting input and an output end, the inverting input is coupled to
Between second resistance R2 and 3rd resistor R3, in-phase input end is coupled between thermistor RT and first resistor R1, output end
Export the upper limit comparison signal.
6. a kind of plaiter according to claim 5, it is characterised in that the lower limit comparison circuit (28) includes：
Lower limit reference voltage generation circuit (32), with one the 4th resistance R4, its one end is coupled to the first direct current Vout_1, separately
One end is grounded after being connected with one the 5th resistance R5, electric from the lower limit reference is produced between the 4th resistance R4 and the 5th resistance R5
Pressure；
Second comparator B, with an in-phase input end, an inverting input and an output end, the inverting input is coupled to
Between 4th resistance R4 and the 5th resistance R5, in-phase input end is coupled between thermistor RT and first resistor R1, output end
Export the lower limit comparison signal.
7. a kind of plaiter according to claim 6, it is characterised in that the keying circuit (29) includes：
First NPN triode Q1, its grounded emitter, base stage is coupled to first comparator A output by one the 6th resistance R6
Hold and by one the 9th resistance R9 and emitter stage altogether；
First relay KM1, the first end of its coil is coupled to the second direct current Vout_2, and the second end of its coil is coupled to
The colelctor electrode of one NPN triode Q1, its normally opened contact switch S1 is serially connected with water pump (20) between power supply；
First diode D1, its negative pole is coupled to the first end of the first relay KM1 coil, and positive pole is coupled to the first relay
Second end of KM1 coil；
Second NPN triode Q2, its grounded emitter, base stage is coupled to the second comparator B's by one the 7th resistance R7
Output end and by one the 8th resistance R8 and emitter stage altogether；
Second relay KM2, the first end of its coil is coupled to the second direct current Vout_2, and the second end of its coil is coupled to
The colelctor electrode of two NPN triodes, its normally opened contact switch S2 one end and the first diode D1 positive pole are coupled, and its normally opened contact is opened
Close S2 other ends ground connection；
Second diode D2, its negative pole is coupled to the first end of the second relay KM2 coil, and positive pole is coupled to the second relay
Second end of KM2 coil；
3rd relay KM3, its coil one end is coupled to the first diode D1 negative pole, and the other end of its coil is coupled to first
Diode D1 positive pole, its normally opened contact switch S3 is coupled to the second relay KM2 normally opened contact switch S2 and the one or two pole
Between pipe D1 positive pole.
8. a kind of plaiter according to claim 6, it is characterised in that second resistance R2 and the 4th resistance R4 are variable
Resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621431797.1U CN206327982U (en) | 2016-12-23 | 2016-12-23 | A kind of plaiter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621431797.1U CN206327982U (en) | 2016-12-23 | 2016-12-23 | A kind of plaiter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745597A (en) * | 2018-07-11 | 2020-02-04 | 赵银宝 | Cloth loosening machine capable of marking on cloth |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745597A (en) * | 2018-07-11 | 2020-02-04 | 赵银宝 | Cloth loosening machine capable of marking on cloth |
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