CN202222318U

CN202222318U - Steam weeding machine

Info

Publication number: CN202222318U
Application number: CN201120294538XU
Authority: CN
Inventors: 朱典悝; 陈洁
Original assignee: Zhejiang YAT Electrical Appliance Co Ltd
Current assignee: Zhejiang YAT Electrical Appliance Co Ltd
Priority date: 2011-08-15
Filing date: 2011-08-15
Publication date: 2012-05-23
Anticipated expiration: 2021-08-15

Abstract

The utility model discloses a steam weeding machine which comprises a casing, a heating base for bearing the casing, a steam generation device arranged in the casing, and a steam spraying device and a control circuit which are connected with the steam generation device, wherein the control circuit comprises a heating circuit for controlling the working of the steam generation device and a steam spraying circuit for controlling the working of the steam spraying device. The steam weeding machine disclosed by the utility model weeds in a scientific and environmentally-friendly mode, thereby having good weeding effect and being safe, convenient and quick to use; and cold water is heated and stored in the machine in a heat-insulation manner, and then the machine is taken outdoors for use, thus the cold water is not needed to be heated during the use process of the machine, the ultralong power line for outdoor heating is omitted, and the steam weeding machine is more convenient and more safe and reliable in operation.

Description

A kind of steam weeder

Technical field

The utility model relates to gardens electrical equipment, particularly a kind of steam weeder.

Background technology

Traditional weeding system generally is to adopt chemical agent or machine cuts.Though the former herbicidal effect is very effective, the extensive sprinkling of chemical agent all can stockpile at upper soll layer over a period to come, and degradation speed is very slow, and growth and the environment of crop all had very big influence and destruction, is unfavorable for the protection of environment; Though the latter can play the effect of getting instant result at short notice, have no idea to let the grass roots power that loses one's life, weeds are can be in the very short cycle long more again to get up, and can not reach permanently effective weeding.

The utility model content

The utility model problem to be solved just provides a kind of steam weeder, and is rational in infrastructure, easy to use, utilizes the mode weeding of science environmental protection, effectively removes weeds and environment do not impacted.

In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of steam weeder; It is characterized in that: comprise casing, supporting casing heated base, be located at the generation device of steam in the casing and be connected spray vapour device and the control circuit on the generation device of steam, said control circuit comprises the heater circuit of control steam raising plant work and the spray vapour circuit of control spray vapour device work.

Further; Said generation device of steam comprises boiler that is located in the casing and the heater that is located at boiler internal; The boiler rear end is provided with the filler, and the boiler front end is provided with venthole, on the boiler front end face, is provided with the caulking groove recessed and that cooperate with heater to boiler internal; Said heater comprises the housing that is assemblied in the caulking groove and is located at the heat-generating pipe in the housing that the positive and negative electrode terminals of heat-generating pipe expose housing and receive in the heater circuit.

Further; The said casing outside is provided with heater switch, on heated base, is provided with to be used for the power line that is connected with external power source, in casing, is provided with control circuit board; Heater switch is electrically connected with control circuit board; Be electrically connected with plug on the control circuit board, on heated base, be provided with the electrical outlet that is electrically connected with power line, electrical outlet realizes being electrically connected with the plug corresponding matching; Said heater circuit comprises heater switch, control circuit board, plug, electrical outlet and power line, and inserts external power source through power line and press heater switch formation heating circuit.

Further, also be in series with temperature detect switch (TDS) in the said heater circuit, temperature detect switch (TDS) is arranged on the boiler and detects boiler temperature.When furnace body temperature reaches the setting requirement, under the state that relief valve is not opened, temperature detect switch (TDS) breaks off and finishes heating.

Further, also be in series with Thermal Cutoffs in the said heater circuit.Under the situation of boiler dry combustion method, the Thermal Cutoffs automatic shutdown circuit prevents the damage of other parts.

Further, said heated base upper surface is provided with the casing locating surface, and casing locating surface and horizontal plane form 10～20 ° angle.Casing locating surface and horizontal plane have certain included angle, can guarantee boiler like this in heating process, and the upper end of boiler intracavity is the place that steam stores near the part of relief valve, and relief valve can not discharged boiling water when pressure release.

Further, said boiler rear end is provided with pressure relief opening, is connected to relief valve on the pressure relief opening, is connected to the pipeline that passes casing on the relief valve.When pressure surpassed setting value, relief valve was opened automatically, reduced the pressure in the boiler.

Further, said boiler outer surface is provided with heat-insulation layer.

Further, said casing madial wall is provided with on former and later two end faces that some spacers are against boiler respectively, between spacer and former and later two end faces of boiler, is provided with cushion pad.

Further, said casing is provided with the installing hole with the filler corresponding matching, between filler periphery and installing hole periphery, is provided with sealing ring, in the filler, is connected to filter, is provided with water-level float in filter interior, and the filler is provided with seal cover.

Further; Said spray vapour device comprises spray vapour joint, magnetic valve and jet pipe, and spray vapour joint is fixed on the venthole of boiler and with boiler intracavity and is communicated with the air intake of magnetic valve and the connection of spray vapour joint; The venthole of magnetic valve and jet pipe are connected, and magnetic valve is connected electrically in the spray vapour circuit.

Further, said spray vapour circuit comprises electromagnetic valve switch, control circuit board, magnetic valve and the battery that is connected into the loop through lead, in casing, is provided with the slot of self-contained battery; The slot upper end is provided with the battery terminal that is electrically connected with the battery realization, and battery terminal is electrically connected with control circuit board, and said casing rear end is provided with the handshake part; Be provided with trigger in the handshake part; The upper end switching of trigger is in the handshake part, and casing is exposed in the lower end of trigger, is provided with spring between the lower end of trigger and the casing the relative casing in lower end of trigger is outwards rotated; Electromagnetic valve switch is located in the handshake part and is corresponding with the lower end of trigger, and the inside cocking of casing is opened electromagnetic valve switch relatively.

Further, also be provided with anti-locking press button in the said handshake part, anti-locking press button exposes the handshake part; It is corresponding with the upper end of trigger that anti-locking press button is provided with lug; When anti-locking press button was not pressed, the upper end that lug is stuck in trigger can not be pulled trigger, after anti-locking press button is pressed; Lug separates with the upper end of trigger can pull trigger, on anti-locking press button, is provided with to make anti-locking press button return to the not spring of down state.Anti-locking press button is set, can effectively stops the person of not knowing or the random opens solenoid valve of children, avoid the high-pressure and high-temperature steam ejection to hurt the people.

Further; Said casing comprises left casing and right casing, is provided with the left-hand rotation fishplate bar that raises up on left casing top, is provided with the right-hand rotation fishplate bar corresponding with the fishplate bar that turns left on right casing top; Pass through handle screw switching jug on the left and right keyset; The handle screw passes left-hand rotation fishplate bar, handle and right-hand rotation fishplate bar successively, is provided with in the end that the handle screw passes the right-hand rotation fishplate bar and compresses knob, after compressing knob and screwing with the handle tightening.

After adopting technique scheme, the utlity model has following advantage: herbicidal effect is good, and is safe in utilization convenient; Cold water in the boiler is after being heated, and insulation is taken outdoor use by the user again at boiler intracavity; Do not need heating while using; Saved the power line of outdoor heating overlength, also convenient during operation, also more safe and reliable.

Description of drawings

Below in conjunction with accompanying drawing the utility model is described further:

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the control circuit schematic diagram of the utility model.

Embodiment

The structural representation of a kind of embodiment of the utility model as shown in Figure 1; A kind of steam weeder; Comprise casing, supporting casing heated base 2, be located at the generation device of steam in the casing and be connected spray vapour device and the control circuit on the generation device of steam, said control circuit comprises the heater circuit of control steam raising plant work and the spray vapour circuit of control spray vapour device work.

Said generation device of steam comprises boiler 3 that is located in the casing and the heater that is located at boiler internal; The boiler rear end is provided with filler 31; The boiler front end is provided with venthole 32; On the boiler front end face, be provided with the caulking groove 33 recessed and that cooperate with heater to boiler internal, said heater comprises the housing 4 that is assemblied in the caulking groove and is located at the heat-generating pipe 41 in the housing that the positive and negative electrode terminals 411 of heat-generating pipe expose housing and receive in the heater circuit.Heater adopts heat-generating pipe aluminium extrusion process, guarantees that heat-generating pipe heat evenly derives, and increases the service life.Be provided with heater switch 11 in the casing outside; On heated base, be provided with and be used for the power line 21 that is connected with external power source; In casing, be provided with control circuit board 12, heater switch is electrically connected with control circuit board, is electrically connected with plug 121 on the control circuit board; On heated base, be provided with the electrical outlet 22 that is electrically connected with power line; Electrical outlet realizes being electrically connected with the plug corresponding matching, and said heater circuit comprises heater switch, control circuit board, plug, electrical outlet and power line, and inserts external power source through power line and press heater switch formation heating circuit.In the present embodiment, also be in series with temperature detect switch (TDS) 34 in the heater circuit, temperature detect switch (TDS) is arranged on the boiler and detects boiler temperature.The Thermal Cutoffs 341 of can in heater circuit, connecting in addition.The heated base upper surface is provided with casing locating surface 23, and casing locating surface and horizontal plane form 10～20 ° angle.

The boiler rear end is provided with pressure relief opening 35, is connected to relief valve 5 on the pressure relief opening, is connected to the pipeline 51 that passes casing on the relief valve.Relief valve is installed in the rear end of boiler; Here be the position that boiler produces steam, when boiler pressure is excessive when needing safe release, relief valve can be got rid of steam; The venthole of pipeline should be arranged on the casing front end, and the high-temperature steam of the person of avoiding the use of during by pressure release hurts.The boiler outer surface is provided with heat-insulation layer 36, and heat-insulation layer adopts the high-temperature-resistant thermal-insulation material, generally selects ceramic fibre woven cloth or glass fiber woven cloth for use, reduces the thermal loss that is accomplished to boiler internal in this process of the weeding end of job in heating.

Being provided with on the casing madial wall on former and later two end faces that some spacers 14 are against boiler respectively, between spacer and former and later two end faces of boiler, be provided with cushion pad 141,, can play by machine the effect of buffering when falling.On casing, be provided with the installing hole 15 with the filler corresponding matching, between filler periphery and installing hole periphery, be provided with sealing ring 151, water is penetrated into interior and causes electric short circuit in order to prevent to add water, and sealing ring is generally selected resistant to elevated temperatures silicon rubber for use; In the filler, be connected to filter 6, be used for filtration and add the oarse-grained impurity of entry, be provided with water-level float 61 in filter interior, remind user's water to be added to rational water level, the filler is provided with seal cover 37.

Said spray vapour device comprises spray vapour joint 71, magnetic valve 7 and jet pipe 72; Spray vapour joint is fixed on the venthole of boiler and with boiler intracavity and is communicated with; The air intake of magnetic valve is connected with spray vapour joint, and the venthole of magnetic valve and jet pipe are connected, and magnetic valve is connected electrically in the spray vapour circuit.Said spray vapour circuit comprises electromagnetic valve switch 70, control circuit board, magnetic valve and the battery 73 that is connected into the loop through lead; In casing, be provided with the slot 16 of self-contained battery; The slot upper end is provided with the battery terminal 161 that is electrically connected with the battery realization, and battery terminal is electrically connected with control circuit board, and said casing rear end is provided with handshake part 17; Be provided with trigger 8 in the handshake part; The upper end switching of trigger is in the handshake part, and casing is exposed in the lower end of trigger, is provided with spring 81 between the lower end of trigger and the casing the relative casing in lower end of trigger is outwards rotated; Electromagnetic valve switch is located in the handshake part and is corresponding with the lower end of trigger, and the inside cocking of casing is opened electromagnetic valve switch relatively.In the handshake part, also be provided with anti-locking press button 82; Anti-locking press button exposes the handshake part, and it is corresponding with the upper end of trigger that anti-locking press button is provided with lug 821, when anti-locking press button is not pressed; The upper end that lug is stuck in trigger can not be pulled trigger; After anti-locking press button was pressed, lug separates with the upper end of trigger can pull trigger, on anti-locking press button, was provided with to make anti-locking press button return to the not spring 83 of down state.

In addition; Casing in the present embodiment comprises left casing 18 and right casing 19, is provided with the left-hand rotation fishplate bar 181 that raises up on left casing top, is provided with the right-hand rotation fishplate bar 191 corresponding with the fishplate bar that turns left on right casing top; Pass through handle screw 91 switching jugs 9 on the left and right keyset; The handle screw passes left-hand rotation fishplate bar, handle and right-hand rotation fishplate bar successively, is provided with in the end that the handle screw passes the right-hand rotation fishplate bar and compresses knob 92, after compressing knob and screwing with the handle tightening.Handle guarantees machine under static state near the position of arranging on the casing should the center of gravity at machine, and the angle of level ground is controlled between 35～45 ° convenient the use.Hook 101 can also be set on casing, and whenever necessary, the user can utilize suspender belt to connect on one's body hook hangs over the machine back of the body.

In the foregoing description, heater is designed to cylindrical, can guarantee good cooperation through turning processing with the boiler contact portion, and heat conduction also can be very evenly.Battery preferably adopts lithium battery, and is designed to detachablely, is convenient for changing charging.Select DC electromagnetic valve for use, directly supplied power by lithium battery, be convenient to outdoor use, isolated high-voltage steam and external environment are used more safer than hand-operated valve fully; Outdoor study during the weeding operation; The operation out of doors of the long in tow cable of user's inconvenience, so the operating principle of the utility model is to heat boiling water in the indoor AC power of utilizing, lithium battery is full of; The direct solenoid valve controling circuit is designed to when using the alternating current heating; DC electromagnetic valve does not allow to be unlocked, have only the main body of weeder to break away from heated base after, DC electromagnetic valve just can be opened; Cross when low when lithium battery voltage, DC electromagnetic valve can not be opened.Be provided with support 201 in the heated base bottom, support adopts the leg of two symmetries to land and supports the weight of heated base, between two legs, increases the intensity that connecting plate 202 comes reinforced support, prevents to launch laterally after landing of two legs from holding pressurized.

The utility model course of work is following: as shown in Figure 2, the user adds a certain amount of water toward boiler intracavity, covers seal cover, and machine is plugged on the heated base; After power line connects external power source, open heater switch, begin the heat-generating pipe power supply, the heating indication on the control panel at this moment etc. is red; Expression is heated, and the spray vapour circuit of control magnetic valve work is disconnected in the time of heating, that is to say that magnetic valve at this moment can't be unlocked, and heat-generating pipe is converted into heat energy with electric energy; Heat energy is absorbed by the housing on the heater at once, and heat is delivered on the boiler through housing, passes in the water of adding again; Begin the water heating, the temperature of whole boiler constantly rises, and aqueous vapor changes into steam; The steam of a large amount of HTHPs is assembled at that end of relief valve, and the pressure of boiler internal reaches designed range, under the normal condition; Temperature detect switch (TDS) breaks off, and at this moment heat-generating pipe stops heating, shows green light heating completion on the control panel.When in particular cases, pressure is constantly soaring, and under the situation that temperature detect switch (TDS) does not have to break off; When pressure reaches the limit value that relief valve is set, at this moment relief valve begins pressure release, when the pressure in the boiler arrives close value; Relief valve cuts out again, avoids the boiler internal pressure excessive.After heating was accomplished, the hot water that takes off high pressure-temperature from heated base was stored in the boiler, and the high-temperature-resistant thermal-insulation material of boiler outer wrap can reduce machine thermal loss in use; The user can load onto the lithium battery that is full of electricity; Press trigger action to outdoor facing to weeds, open electromagnetic valve switch magnetic valve is opened, the vapours of HTHP will spray to weeds; High temperature moment has been destroyed the leaf green cell body of greenery; Weeds will wither at leisure, can not destroy soil chemistry structure, very environmental protection.

The utility model herbicidal effect is good, and is safe in utilization convenient, and the cold water in the boiler is after being heated to HTHP; Insulation is at boiler internal; Be transported to outdoor use again, do not need heating, saved the power line of outdoor heating overlength while using; Since cancelled power line, also convenient during operation; Wrap up the high-temperature-resistant thermal-insulation material on the boiler body, reduced the thermal loss that is accomplished to boiler internal in this process of the weeding end of job in heating; Plurality of advantages such as lithium battery is controlled DC electromagnetic valve, in the use of reality, also can improve the safety in utilization of machine, and lithium battery has unit energy than high, and cycle-index is many, the service life that can effectively improve machine.

Except that above-mentioned preferred embodiment; The utility model also has other embodiment; Those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from the spirit of the utility model, all should belong to the defined scope of the utility model accompanying claims.

Claims

1. steam weeder; It is characterized in that: comprise casing, supporting casing heated base (2), be located at the generation device of steam in the casing and be connected spray vapour device and the control circuit on the generation device of steam, said control circuit comprises the heater circuit of control steam raising plant work and the spray vapour circuit of control spray vapour device work.

2. a kind of steam weeder according to claim 1; It is characterized in that: said generation device of steam comprises boiler (3) that is located in the casing and the heater that is located at boiler internal; The boiler rear end is provided with filler (31); The boiler front end is provided with venthole (32); On the boiler front end face, be provided with the caulking groove recessed and that cooperate with heater (33) to boiler internal, said heater comprises the housing (4) that is assemblied in the caulking groove and is located at the heat-generating pipe (41) in the housing that the positive and negative electrode terminals (411) of heat-generating pipe expose housing and receive in the heater circuit.

3. a kind of steam weeder according to claim 1 and 2; It is characterized in that: the said casing outside is provided with heater switch (11); On heated base, be provided with and be used for the power line (21) that is connected with external power source; In casing, be provided with control circuit board (12), heater switch is electrically connected with control circuit board, is electrically connected with plug (121) on the control circuit board; On heated base, be provided with the electrical outlet (22) that is electrically connected with power line; Electrical outlet realizes being electrically connected with the plug corresponding matching, and said heater circuit comprises heater switch, control circuit board, plug, electrical outlet and power line, and inserts external power source through power line and press heater switch formation heating circuit.

4. a kind of steam weeder according to claim 3 is characterized in that: also be in series with temperature detect switch (TDS) (34) in the said heater circuit, temperature detect switch (TDS) is arranged on the boiler and detects boiler temperature.

5. a kind of steam weeder according to claim 4 is characterized in that: also be in series with Thermal Cutoffs (341) in the said heater circuit.

6. a kind of steam weeder according to claim 3 is characterized in that: said heated base upper surface is provided with casing locating surface (23), and casing locating surface and horizontal plane form 10～20 ° angle.

7. a kind of steam weeder according to claim 1 and 2 is characterized in that: said boiler rear end is provided with pressure relief opening (35), is connected to relief valve (5) on the pressure relief opening, is connected to the pipeline (51) that passes casing on the relief valve.

8. a kind of steam weeder according to claim 7 is characterized in that: said boiler outer surface is provided with heat-insulation layer (36).

9. a kind of steam weeder according to claim 1 and 2; It is characterized in that: said casing madial wall is provided with on former and later two end faces that some spacers (14) are against boiler respectively, between spacer and former and later two end faces of boiler, is provided with cushion pad (141).

10. a kind of steam weeder according to claim 2; It is characterized in that: said casing is provided with the installing hole (15) with the filler corresponding matching; Between filler periphery and installing hole periphery, be provided with sealing ring (151); In the filler, be connected to filter (6), be provided with water-level float (61) in filter interior, the filler is provided with seal cover (37).

11. a kind of steam weeder according to claim 1; It is characterized in that: said spray vapour device comprises spray vapour joint (71), magnetic valve (7) and jet pipe (72); Spray vapour joint is fixed on the venthole of boiler and with boiler intracavity and is communicated with; The air intake of magnetic valve is connected with spray vapour joint, and the venthole of magnetic valve and jet pipe are connected, and magnetic valve is connected electrically in the spray vapour circuit.

12. according to claim 1 or 11 described a kind of steam weeders; It is characterized in that: said spray vapour circuit comprises electromagnetic valve switch (70), control circuit board, magnetic valve and the battery (73) that is connected into the loop through lead, in casing, is provided with the slot (16) of self-contained battery, and the slot upper end is provided with the battery terminal (161) that is electrically connected with the battery realization; Battery terminal is electrically connected with control circuit board; Said casing rear end is provided with handshake part (17), is provided with trigger (8) in the handshake part, and the upper end switching of trigger is in the handshake part; Casing is exposed in the lower end of trigger; Be provided with spring (81) between the lower end of trigger and the casing the relative casing in lower end of trigger is outwards rotated, electromagnetic valve switch is located in the handshake part and is corresponding with the lower end of trigger, and the inside cocking of casing is opened electromagnetic valve switch relatively.

13. a kind of steam weeder according to claim 12; It is characterized in that: also be provided with anti-locking press button (82) in the said handshake part; Anti-locking press button exposes the handshake part, and it is corresponding with the upper end of trigger that anti-locking press button is provided with lug (821), when anti-locking press button is not pressed; The upper end that lug is stuck in trigger can not be pulled trigger; After anti-locking press button was pressed, lug separates with the upper end of trigger can pull trigger, on anti-locking press button, was provided with to make anti-locking press button return to the not spring of down state (83).

14. a kind of steam weeder according to claim 1; It is characterized in that: said casing comprises left casing (18) and right casing (19); Be provided with the left-hand rotation fishplate bar (181) that raises up on left casing top; Be provided with the right-hand rotation fishplate bar (191) corresponding with the fishplate bar that turns left on right casing top, through handle screw (91) switching jug (9), the handle screw passes left-hand rotation fishplate bar, handle and right-hand rotation fishplate bar successively on the left and right keyset; Be provided with in the end that the handle screw passes the right-hand rotation fishplate bar and compress knob (92), after compressing knob and screwing with the handle tightening.