CN208609416U - A kind of energy-saving cutting rice equipment improved service life - Google Patents

Abstract

A kind of energy-saving cutting rice equipment improved service life; extend and be in Extension support, one group of cutting assembly for being located at Power Component and two guidance sets of spacing setting by Power Component side including a Power Component, two; the Power Component includes installing shell, driving motor, control device and the battery for powering to the driving motor and control device, and the control device includes starter, overcurrent protection switch, voltage regulation unit, Overvoltage protecting unit, over-current protecting unit, PWM control unit, driving unit and display unit.The utility model can prevent the output voltage of battery from generating violent variation, so that battery be substantially improved and use cruise duration.

Description

A kind of energy-saving cutting rice equipment improved service life

Technical field

The utility model relates to one kind to cut rice equipment, refer in particular to a kind of energy-saving cutting rice equipment improved service life.

Background technique

It is the integrated machinery for gathering in crops to harvester, disposable to complete harvesting and threshing, and grain is focused on Then grain is being transported on transport vehicle by repository by conveyer belt, it is also possible to hand harvest, by the standing grain of the crops such as rice and wheat Stalk is laid in field, then carries out pickup threshing with cereal harvesting machinery again.Harvest the cereal crops such as rice and wheat seed and stalk Crop harvesting machine, including harvester, cutter-rower, reaper binder, grain combine and grain separator etc., grain harvest Machinery is grown up on the basis of various harvestings and threshing tool, and with the development of agricultural machinery, rice cutting machine is gradually walked Into the visual field of peasant household, and existing rice cutting machine does not have resiliency, often because the frustration of rice field internal passageway causes to cut rice Bindiny mechanism loosens inside machine, leads to rice cutting machine internal component damage, working efficiency is low, and it is impossible to meet the demands of peasant household, no Conducive to popularization.

Chinese utility model patent (application number: 201720793509.5) discloses a kind of efficient agriculture rice cutting machine, packet Include pedestal, the bottom of pedestal is fixedly connected with symmetrical first support bar and second support bar, first support bar and second The bottom of strut has been respectively fixedly connected with the first connecting plate and the second connecting plate, the top of the second connecting plate and second support bar Bottom is fixedly connected, and the first connecting plate and the second connecting plate bottom are fixedly connected to movable pulley, and pedestal is internally provided with work Organism is arranged in movable plate, the top of movable plate, opens up fluted at the top of movable plate, and groove is internally provided with motion bar, The bottom through-going recess of motion bar and the outside for extending to groove, the inner wall of pedestal are fixedly connected with connecting rod.The above rice cutting machine Although can be improved working efficiency, can satisfy the demand of peasant household, be conducive to promote, in the actual use process there is also There is following shortcoming: not can control battery and carry out stablizing output appropriate, and the rice seedling type to be handled can not be directed to Or height promotes motor to make high speed when the charge capacity of battery is higher to adjust the revolving speed of control motor with higher voltage Rotation causes the waste of battery electric power, not only contracts if the rice seedling type or height to be handled do not have to so high revolving speed It is short cut rice equipment use cruise duration, more significantly reduce the service efficiency of battery.

Utility model content

The utility model provides a kind of energy-saving cutting rice equipment improved service life, and main purpose is to overcome existing cut The defect that cruise duration existing for rice machine is short, battery availability factor is low.

In order to solve the above technical problems, the utility model adopts the following technical solution:

A kind of energy-saving cutting rice equipment improved service life, including a Power Component, two extended by Power Component side And go out and be in Extension support, one group of cutting assembly for being located at Power Component and two guidance sets of spacing setting, the power Component includes installing shell, driving motor, control device and the electric power storage for powering to the driving motor and control device Pond, the control device include starter, overcurrent protection switch, voltage regulation unit, Overvoltage protecting unit, over-current protecting unit, PWM Control unit, driving unit and display unit, the starter are installed on the installation shell and are electrically connected to battery Output end, so that control opens and closes the power supply of each load；The overcurrent protection switch is series between battery and driving motor, institute Stating overcurrent protection switch is a no-fuse switch protector with non-demolition characteristic, in the abnormal conditions that current overload occurs Under, that is, the de-energizing actions of contact escape are executed, the overcurrent protection switch is simultaneously equipped with the reset button being installed on installation shell, After excluding for abnormal conditions, overcurrent protection switch can be reopened；The voltage regulation unit is connected to overcurrent protection switch Output end, to input the voltage of battery, and an exportable burning voltage；The Overvoltage protecting unit is exported using voltage regulation unit Burning voltage reference voltage value is generated in a manner of dividing, can separately sense the sensing voltage value of battery output voltage, and with institute Reference voltage value is stated compared with sensing voltage value carries out voltage quasi position, when sensing voltage value is higher than reference voltage value, that is, is controlled The signal of output voltage high levle processed then controls the letter of output voltage low level when sensing voltage value is lower than reference voltage value Number；The over-current protecting unit can sense the sensing current value that battery is attracted and exported, and pre- with the current value and one If reference current value carry out current value comparison, when sense current value be higher than reference current value when, i.e., control output off current HIGH The signal of level then controls the signal of output electric current low level when sensing current value lower than reference current value；The PWM control Unit processed is used to receive the voltage high levle signal of Overvoltage protecting unit output and the electric current low level of over-current protecting unit output Signal, and pulse wave width modulation signal is exported according to received signal；The driving unit is a power crystal, and power supply is defeated Enter the output end that end is connected to overcurrent protection switch, output end is then connected to driving motor, and another signal input part receives PWM control The pulse wave width modulation signal of unit output for controlling the length in driving unit triggered time, and utilizes pulse wave width modulation Mode control driving unit output pulse wave electric voltage and drive driving motor rotation, and then controllable driving motor is maintained at the slow-speed of revolution Idling mode.

Further, the display unit be installed in installation shell on, and be equipped with can show voltage normal first respectively 4th display group of display component, the second display component of undertension, the third display component of overcurrent and idling mode Part.

Further, the Extension support is extended outwardly by one end of connection Power Component and is in arc bending shape, the Extension support A plurality of mounting grooves are respectively arranged in mutual corresponding side, and each mounting groove concentrates on the terminal position of Extension support, it is described Cutting assembly has a swinging head and a cutting rod, and described swinging head one end is connected to the torque output end of the driving motor, For the other end then by extending and connecting cutting rod between the Extension support, cutting rod setting position is lower than the guiding group It installs respectively and is used to be connected to each Extension support part, and the guidance set has respectively included an installation bolt and a leading truck, The leading truck is worn lock fixation by mounting groove set by corresponding Extension support and to install bolt.

Further, each leading truck further includes having a movable pulley and two being mounted on the connecting plate of movable pulley two sides, The connecting plate of each leading truck is located in the mounting groove of corresponding Extension support, and the connecting plate corresponds to one end of mounting groove It is respectively provided with a jack, each installation bolt wears the jack of the connecting plate of each leading truck and the mounting groove of Extension support.

Further, the outer side connecting plate in the connecting plate of each leading truck is respectively extended with a balance portion, and each An axis is then connected between mutual corresponding connecting plate in the connecting plate of leading truck.

Further, each balance portion includes a support shaft and a stabilizer, and the setting in each balance portion is for balancing The operation of rice cutting machine.

Further, the Power Component is provided with a promotion handle in the side opposite with the Extension support.

Compared to the prior art, the beneficial effect that the utility model generates is:

1, the utility model structure is simple, practical, by the way that PWM control unit is arranged, can set idling first with it Driving motor revolving speed under state, the driving unit exports the fixation average voltage after pulse wave width modulation, and promotees Driving motor is set to be maintained at the idling mode for being not enough to the slow-speed of revolution for cut rice operation, and the display unit receives idling The signal of state, and trigger display component and display component according to received signal, to carry out, display voltage is normal and idling State, and in operating process, if control driving motor moment improves revolving speed, it can prevent the output voltage of battery from generating acute Strong variation, so that battery be substantially improved and use cruise duration.

2, in the present invention, by the way that leading truck is passed through mounting groove set by corresponding Extension support and to pacify Dress bolt is worn lock and is fixed, thus user can voluntarily adjust cutting according to the rice seedling height of the crops of wanted harvest The height of item and ground, enable cutting assembly far from or close to ground, thus during being engaged in harvesting just not Rice seedling shorter in crops can be easily hurt, and it is long to allow the rice seedling of the crops of institute's harvest all to maintain certain harvesting Degree, greatly improves the product quality of harvest.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model

Fig. 2 is the perspective view of the explosion of Fig. 1.

Fig. 3 is the functional block diagram of above-mentioned control device in the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

Referring to FIG. 1, FIG. 2 and FIG. 3.A kind of energy-saving cutting rice equipment improved service life, including a Power Component 1, two Extended by 1 side of Power Component and be in spacing setting 7, one groups of the Extension support cutting assemblies 5 for being located at Power Component 1 and Two guidance sets 8, the Extension support 7 are extended outwardly by one end of connection Power Component 1 and are in arc bending shape, the Extension support 7 A plurality of mounting grooves 70 are respectively arranged in mutual corresponding side, and each mounting groove 70 concentrates on the terminal position of Extension support 7, The cutting assembly 5 has a swinging head 50 and a cutting rod 51, and described 50 one end of swinging head is connected to the Power Component 1, For the other end then by extending and connecting cutting rod 51 between the Extension support 7, position is arranged lower than described in the cutting rod 51 It installs respectively and is used to be connected to each Extension support 7 guidance set 8, and the guidance set 8 has respectively included an installation bolt 80 And a leading truck 81, the leading truck 81 is by mounting groove 70 set by corresponding Extension support 7 and to install bolt 80 Lock is worn to fix.

Referring to FIG. 1, FIG. 2 and FIG. 3.Each leading truck 81 further includes having a movable pulley 82 and two to be mounted on 82 liang of movable pulley The connecting plate of side, the connecting plate 83 of each leading truck 81 are located in the mounting groove 70 of corresponding Extension support 7, and the company One end of the corresponding mounting groove 70 of fishplate bar 83 is respectively provided with a jack 84, each connecting plate installed bolt 80 and wear each leading truck 81 83 jack 84 and the mounting groove 70 of Extension support 7.Thus user wants to assemble each guidance set 8 when Extension support 7, It only needs for be inserted by the jack 84 of a wherein connecting plate 83 for each leading truck 81 installation bolt 80, and continues through Extension support 7 The positioning between each guidance set 8 and Extension support 7 can be completed in mounting groove 70 after being pierced by the jack 84 of another connecting plate 83.

Referring to FIG. 1, FIG. 2 and FIG. 3.Outer side connecting plate 83 in the connecting plate 83 of each leading truck 81 is respectively extended with One balance portion 85, and an axis is then connected between mutual corresponding connecting plate 83 in the connecting plate 83 of each leading truck 81 86.Setting effect main purpose in each balance portion 85 is that providing entirety is being engaged in harvesting crops instantly, is able to maintain that Operational balance avoids tilting and injuring the crop for wanting harvest

Referring to FIG. 1, FIG. 2 and FIG. 3.Each balance portion 85 includes a support shaft 87 and a stabilizer 88, each balance portion 85 setting is for balancing the operation of rice cutting machine.

Referring to FIG. 1, FIG. 2 and FIG. 3.The Power Component 1 is provided with a promotion handle in the side opposite with the Extension support 7 Hand 9.

Referring to FIG. 1, FIG. 2 and FIG. 3.When the utility model is used, user must first adjust the guiding group before cutting Position of the part 8 on Extension support 7, installation bolt 80 is separated between Extension support 7 and guidance set 8, it is made to release assembling kenel, The guidance set 8 can be displaced with that, after being adjusted to user desired position again will installation bolt 80 turn back to Guidance set 8 is fixed with Extension support 7, user can be allowed light, easy according to not through thus simple adjustment mode Level harvest crop and adjust cutting assembly 5 with respect to ground height.

Compared to the prior art, the beneficial effect that the utility model generates is:

The utility model structure is simple, practical, by passing through leading truck 81 set by corresponding Extension support 7 Mounting groove 70 and worn lock to install bolt 80 and fixed, thus user can be according to the rice seedling of the crops of wanted harvest The height for highly voluntarily adjusting cutting rod 51 Yu ground enables cutting assembly 5 separate or close to ground, thus exists Be engaged in harvesting during would not easily hurt rice seedling shorter in crops, and allow institute's harvest crops rice seedling Certain harvesting length is all maintained, the product quality of harvest is greatly improved.

Referring to FIG. 1, FIG. 2 and FIG. 3.The Power Component 1 includes installation shell 3, driving motor 4, control device 6 and uses In the battery 30 powered to the driving motor 4 and control device 6, the control device 6 includes starter 60, overload guarantor Protect switch 61, voltage regulation unit 62, Overvoltage protecting unit 63, over-current protecting unit 64, PWM control unit 65, driving unit 66 and Display unit 67, the starter 60 is installed on the promotion handle 9 and is electrically connected to the output end of battery 30, for control System opens and closes the power supply of each load；The overcurrent protection switch 61 is series between battery 30 and driving motor 4, and the overload is protected Protect switch 61 be one with non-demolition characteristic no-fuse switch protector, in generation current overload abnormal conditions under, i.e., The de-energizing actions of contact escape are executed, the overcurrent protection switch 61 is simultaneously equipped with the reset button for being installed in and pushing on handle 9, with After excluding for abnormal conditions, overcurrent protection switch 61 can be reopened；The voltage regulation unit 62 is connected to overcurrent protection switch 61 output end, to input the voltage of battery 30, and an exportable burning voltage；The Overvoltage protecting unit 63 utilizes pressure stabilizing The burning voltage that unit 62 exports generates reference voltage value in a manner of dividing, and can separately sense the sensing electricity of 30 output voltage of battery Pressure value, and with the reference voltage value compared with sensing voltage value carries out voltage quasi position, when sensing voltage value is higher than with reference to electricity When pressure value, that is, the signal of output voltage high levle is controlled, when sensing voltage value is lower than reference voltage value, then controls output voltage The signal of low level；The over-current protecting unit 64 can sense the sensing current value that battery 30 is attracted and exported, and with institute Current value is stated compared with a preset reference current value carries out current value, when sensing current value higher than reference current value, i.e., The signal for controlling output off current HIGH level then controls output electric current low level when sensing current value lower than reference current value Signal；The PWM control unit 65 is used to receive the voltage high levle signal and overcurrent protection list of the output of Overvoltage protecting unit 63 The electric current low level signal of 64 output of member, and pulse wave width modulation signal is exported according to received signal；The driving unit 66 be a power crystal, and power input is connected to the output end of overcurrent protection switch 61, and output end is then connected to driving electricity Machine 4, another signal input part receive the pulse wave width modulation signal that PWM control unit 65 exports, so that control driving unit 66 touches The length of time is sent out, and controls driving unit 66 in the way of pulse wave width modulation and exports pulse wave electric voltage drive driving motor 4 Rotation, and then controllable driving motor 4 is maintained at the idling mode of the slow-speed of revolution.

Referring to FIG. 1, FIG. 2 and FIG. 3.The display unit 67 be installed in push handle 9 on, and be equipped with can show voltage respectively Normal first display component, the second display component of undertension, the third display component of overcurrent and idling mode 4th display component.

Referring to FIG. 1, FIG. 2 and FIG. 3.The battery 30 is nickel-metal hydride battery, alkaline battery, nickel-cadmium cell, lithium battery or lithium Polymer battery.Referring to FIG. 1, FIG. 2 and FIG. 3.Above-mentioned overcurrent protection switch 61 is series between battery 30 and driving motor 4, The overcurrent protection switch 61 can be a no-fuse switch protector with non-demolition characteristic, in the exception that current overload occurs In the case of, that is, execute the de-energizing actions of contact escape；The voltage regulation unit 62 is connected to the output end of overcurrent protection switch 61, with Input the voltage (Vbb) of battery 30, and an exportable burning voltage (Vcc)；The Overvoltage protecting unit 63 utilizes pressure stabilizing list The burning voltage (Vcc) of 62 output of member generates reference voltage value (Vref) in a manner of dividing, and can separately sense battery 30 and export electricity The sensing voltage value (Vbb1) of (Vbb) is pressed, and voltage is carried out with the reference voltage value (Vref) and sensing voltage value (Vbb1) The comparison of level controls the letter of output voltage high levle when sensing voltage value (Vbb1) is higher than reference voltage value (Vref) Number, when sensing voltage value (Vbb1) is lower than reference voltage value (Vref), then control the signal of output voltage low level；The mistake Stream protection location 64 can sense the sensing current value (Im) that battery 30 is attracted and exported, and with the current value (Im) and one Preset reference current value (Iref) carries out the comparison of current value, when sensing current value (Im) is higher than reference current value (Iref) When, that is, the signal of output off current HIGH level is controlled, when sensing current value (Vbb1) lower than reference current value (Iref), is then controlled Export the signal of electric current low level；The PWM control unit 65 be connected with the first adjustment component being installed in operating stick 2 and Second adjustment component, the first adjustment component and second adjustment component are variable resistance, and by adjusting change the first adjustment The resistance value of component and second adjustment component, be set separately adjustment output pulse wave electric voltage high levle and low level it is lasting when Between, the electric current low level of voltage high levle signal and the output of over-current protecting unit 64 that another receivable Overvoltage protecting unit 63 exports Signal, and pulse wave width modulation signal is exported according to received signal；The driving unit 66 is a power crystal, power supply Input terminal is connected to the output end of overcurrent protection switch 61, and output end is then connected to driving motor 4, and another signal input part receives The pulse wave width modulation signal that PWM control unit 65 exports for controlling the length in 66 triggered time of driving unit, and utilizes arteries and veins The mode of wave width modulation controls the output pulse wave electric voltage of driving unit 66 and driving motor 4 is promoted to rotate, and then controllable driving electricity Machine 4 is maintained at the idling mode of the slow-speed of revolution, and can carry out the appropriate working speed of regulation driving motor 4；The display unit 67 It is installed in operating stick 2, and is equipped with the second display group that can show normal first display component of voltage, undertension respectively 4th display component of part, the third display component of overcurrent and idling mode, separately receivable Overvoltage protecting unit 63 exports Voltage quasi position signal and the current level signal that exports of over-current protecting unit 64, and trigger according to received signal the respectively One, two, three, four display components are shown, so that user grasped battery 30 and driving motor 4 at any time operates with shape State.

Referring to FIG. 1, FIG. 2 and FIG. 3.The present embodiment is before use, can be first with the PWM control unit of the control device 6 4 revolving speed of driving motor under 65 setting idling modes, the first adjustment component of PWM control unit 65 is fixed, and set and adjust Whole second adjustment component to minimum value, the driving unit 66 exports the fixation average voltage after pulse wave width modulation, And driving motor 4 is promoted to be maintained at the idling mode for being not enough to the slow-speed of revolution for cut rice operation, and the display unit 67 is The signal of idling mode is received, and display component and display component are triggered according to received signal, to carry out display voltage just Normal and idling mode, and in operating process, if control 4 moment of driving motor improves revolving speed, the defeated of battery 30 can be prevented Voltage generates violent variation out, so that battery be substantially improved and use cruise duration.

Referring to FIG. 1, FIG. 2 and FIG. 3.For the present embodiment when carrying out cutting rice operation, operator can be directed to the type of various rice seedlings, And the appropriate working speed of regulation driving motor 4 is carried out using the PWM control unit 65 of the control device 6, it is adjusted in first In the case that whole group part remains unchanged, by adjusting the length of time of second adjustment component, i.e., changeable PWM control unit 65 The duty cycle of pulse wave is exported, and changes the actual average voltage of supply driving motor 4, and passes through the height of actual average voltage Variation can carry out the appropriate working speed of regulation driving motor 4, it is defeated that driving unit 66 is controlled in a manner of pulse wave width modulation Pulse wave electric voltage out, and driving motor 4 is promoted to rotate with working speed appropriate, for cut rice operation, and utilize pulse wave Width modulation mode controls output pulse wave electric voltage and driving motor 4 is promoted to rotate, and can not only extend using cruise duration, and can make 4 revolving speed of driving motor can be held in for a long time to be allowed in working range, and then reaches and the practical of battery availability factor is substantially improved Purpose；Separately in course of normal operation, the Overvoltage protecting unit 63 of the control device 6 is to carry out sensing battery 30 to export Sensing voltage value (Vbb1), and be compared with reference voltage value (Vref), and over-current protecting unit 64 is also sensed simultaneously The sensing current value (Im) that battery 30 exports, and be compared with reference current value (Iref), when Overvoltage protecting unit 63 Sensing voltage value (Vbb1) is higher than reference voltage value (Vref), i.e. the signal of output voltage high levle to PWM control unit 65, with And the sensing current value (Im) of over-current protecting unit 64 be lower than reference current value (Iref) when, that is, export electric current low level signal To PWM control unit 65, the PWM control unit 65 persistently exports pulse wave width modulation signal according to received signal, Driving motor 4 is promoted to rotate to control the output pulse wave electric voltage of driving unit 66, for carrying out cutting rice operation.

Referring to FIG. 1, FIG. 2 and FIG. 3.In the present embodiment, if the cutter that above-mentioned energy-saving cutting rice equipment occurs is blocked by rice seedling And when stopping, it will causing driving motor 4 to can not be successfully rotation, at this point, driving motor 4 in order to overcome this one hinder, it will one It is straight to increase input current, output torque is improved, is hindered with overcoming, if however, this situation fails to exclude as early as possible, it will be so that negative It carries electric current and abnormal raising occurs, and then in current overload condition occurs, the over-current protecting unit 64 of the control device 6 can be felt Abnormal conditions of the sensing current value (Im) higher than reference current value (Iref) for comparing the output of battery 30 are surveyed, at this point, described PWM control unit 65 will be reset in time, and stop output pulse wave width modulation signal, and the driving unit 66 also stops output Pulse wave electric voltage promotes driving motor 4 to rotate, and achievees the purpose that overload protection, and the another display unit 67 receives overcurrent protection The electric current high levle signal that unit 64 exports, and display component is triggered according to received signal and carries out display current overload feelings Condition, user can the situation according to display unit 67, get obstacles out of the way, if current overload condition, and overcurrent occurs Protection location 64 and it is not operating when, also using the overcurrent protection switch 61 execute contact escape de-energizing actions.

Referring to FIG. 1, FIG. 2 and FIG. 3.In the present embodiment, the electric power of battery 30 is gradually consumed, when overvoltage protection list When the sensing voltage value (Vbbl) of member 63 is lower than reference voltage value (Vref), the Overvoltage protecting unit 63 is the low standard of output voltage The signal of position at this point, the PWM control unit 65 will be reset in time, and stops output pulse wave width modulation signal, the drive Moving cell 66 also stops output pulse wave electric voltage and driving motor 4 is promoted to rotate, and to prevent 30 over-discharge of battery, the display is single Member 67 i.e. receive Overvoltage protecting unit 63 export voltage low level signal, and according to received signal trigger display component into Row display undertension situation, user can the situation according to display unit 67, battery 30 is removed, and is filled Electricity, and can reach the purpose for extending 30 service life of battery.

A kind of energy-saving cutting rice equipment improved service life provided by the utility model is described in detail above. Specific case used herein is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only It is the method and its core concept for being used to help understand the utility model.It should be pointed out that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, Modifications and modifications also fall within the protection scope of the claims of the utility model.

Claims (7)

1. a kind of energy-saving cutting rice equipment improved service life, it is characterised in that: including a Power Component, two by Power Component Extension support, one group of cutting assembly for being located at Power Component and two guidance sets of spacing setting are extended and be in side, The Power Component includes installation shell, driving motor, control device and is used to supply to the driving motor and control device The battery of electricity, the control device includes starter, overcurrent protection switch, voltage regulation unit, Overvoltage protecting unit, overcurrent protection Unit, PWM control unit, driving unit and display unit, the starter are installed on the installation shell and are electrically connected to The output end of battery, so that control opens and closes the power supply of each load；The overcurrent protection switch is series at battery and driving electricity Between machine, the overcurrent protection switch is a no-fuse switch protector with non-demolition characteristic, in generation current overload Abnormal conditions under, that is, execute contact escape de-energizing actions, the overcurrent protection switch simultaneously be equipped with is installed in installation shell on Reset button can reopen overcurrent protection switch after excluding for abnormal conditions；The voltage regulation unit is connected to overload The output end of protective switch, to input the voltage of battery, and an exportable burning voltage；The Overvoltage protecting unit is using surely The burning voltage of pressure unit output generates reference voltage value in a manner of dividing, and can separately sense the sensing voltage of battery output voltage Value, and with the reference voltage value compared with sensing voltage value carries out voltage quasi position, when sensing voltage value is higher than reference voltage When value, that is, the signal of output voltage high levle is controlled, when sensing voltage value is lower than reference voltage value, then it is low to control output voltage The signal of level；The over-current protecting unit can sense the sensing current value that battery is attracted and exported, and with the electric current Value when sensing current value higher than reference current value, that is, controls defeated compared with a preset reference current value carries out current value The signal of electric current high levle out then controls the signal of output electric current low level when sensing current value lower than reference current value；Institute PWM control unit is stated for receiving the voltage high levle signal of Overvoltage protecting unit output and the electric current of over-current protecting unit output Low level signal, and pulse wave width modulation signal is exported according to received signal；The driving unit is a power crystal, Power input is connected to the output end of overcurrent protection switch, and output end is then connected to driving motor, and another signal input part receives The pulse wave width modulation signal of PWM control unit output for controlling the length in driving unit triggered time, and utilizes pulse wave wide The mode of degree modulation controls driving unit output pulse wave electric voltage and drives driving motor rotation, and then controllable driving motor is maintained at The idling mode of the slow-speed of revolution.

2. a kind of energy-saving cutting rice equipment improved service life as described in claim 1, it is characterised in that: the display unit dress Set on installation shell on, and be equipped with can show respectively normal first display component of voltage, undertension the second display component, The third display component of overcurrent and the 4th display component of idling mode.

3. a kind of energy-saving cutting rice equipment improved service life as claimed in claim 2, it is characterised in that: the Extension support is by even The one end for connecing Power Component extends outwardly and is in arc bending shape, and the Extension support is respectively arranged with a plurality of in mutual corresponding side Mounting groove, and each mounting groove concentrates on the terminal position of Extension support, the cutting assembly has a swinging head and a cutting rod, institute The torque output end that swinging head one end is connected to the driving motor is stated, the other end between the Extension support then by extending simultaneously Cutting rod is connected, lower than the guidance set, it is installed respectively and is used to be connected to each Extension support for the cutting rod setting position, The guidance set has respectively included an installation bolt and a leading truck, and the leading truck passes through set by corresponding Extension support The mounting groove set simultaneously is worn lock to install bolt and is fixed.

4. a kind of energy-saving cutting rice equipment improved service life as claimed in claim 3, it is characterised in that: each leading truck is also It include a movable pulley and two are mounted on the connecting plate of movable pulley two sides, the connecting plate of each leading truck is located in corresponding Extension support mounting groove, and the connecting plate corresponds to one end of mounting groove and is respectively provided with a jack, it is each bolt be installed wear respectively leads To the jack of the connecting plate of frame and the mounting groove of Extension support.

5. a kind of energy-saving cutting rice equipment improved service life as claimed in claim 4, it is characterised in that: each leading truck Outer side connecting plate in the connecting plate is respectively extended with a balance portion, and mutual corresponding company in the connecting plate of each leading truck An axis is then connected between fishplate bar.

6. a kind of energy-saving cutting rice equipment improved service life as claimed in claim 5, it is characterised in that: each balance portion packet A support shaft and a stabilizer are included, the setting in each balance portion is for balancing the operation of rice cutting machine.

7. a kind of energy-saving cutting rice equipment improved service life as claimed in claim 6, it is characterised in that: the Power Component exists The side opposite with the Extension support is provided with a promotion handle.