CN104741334A - High-pressure cleaner with multiple working modes - Google Patents
High-pressure cleaner with multiple working modes Download PDFInfo
- Publication number
- CN104741334A CN104741334A CN201510171069.5A CN201510171069A CN104741334A CN 104741334 A CN104741334 A CN 104741334A CN 201510171069 A CN201510171069 A CN 201510171069A CN 104741334 A CN104741334 A CN 104741334A
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- China
- Prior art keywords
- pressure
- pump
- auxiliary
- motor
- auxiliary pump
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0406—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with several pumps
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to a high-pressure cleaner with multiple working modes. The high-pressure cleaner with multiple working modes comprises a main pump and an auxiliary pump which are driven by a main motor and an auxiliary motor respectively; the water outlets of the main pump and the auxiliary pump are connected to a water outlet tee joint through a main pump water outlet check valve and an auxiliary pump water outlet valve respectively; the main motor and the auxiliary motor are powered by a power source controlled by a main switch; the power supply circuit of the main motor is connected in series with a main pump normally-closed pressure switch and an energy saving mode selecting switch; the power supply circuit of the auxiliary motor is connected in series with an auxiliary pump normally-closed pressure switch and an energy saving mode selecting switch; the main pump normally-closed pressure switch and the auxiliary pump normally-closed pressures switch are arranged at the water outlets of the main pump and the auxiliary pump respectively. Through mutual power compensation of the main pump and the auxiliary pump, the high-pressure cleaner with the multiple working modes can maintain the electrical load at a relatively high level when under high pressure and in a high-flow state, thereby being wide in application; the multiple working modes of high pressure, high flow and energy saving can be switched conveniently to meet multiple use demands of users.
Description
Technical field
The present invention relates to a kind of jetting machine, particularly relate to the jetting machine of one kind of multiple mode of operations.
Background technology
In jetting machine industry, especially electric household cleaning machine, its pressure and flow are all by motor
Power restriction, and power of motor is mainly limited to the peak power (maximum current) of household electricity, and actual cleansing power and clean range cannot perform to optimum state, when running into the more difficult local dirt washed down, need to improve cleaning performance with large pressure; When running into the pipeline or ground that are easier to clean, need to improve cleaning efficiency with large discharge.In prior art, often power of motor is designed into allowed maximum power value for obtaining large pressure, realize Pressure Drop low discharge when needs large discharge by bigbore nozzle to rise, because power of motor can have larger decline along with pressure drop, actual flow rises very limited, can not get real large discharge, cleaning machine cleaning efficiency promotes limited.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, provides the jetting machine of one kind of multiple mode of operations, realizes large pressure, has pressure large discharge and super-flow with no pressure, and easy switching, reliable, meets the multiple demand of user.
For solving the problems of the technologies described above, the invention provides the jetting machine of one kind of multiple mode of operations, comprising:
The main pump (2) driven by mair motor (1);
The auxiliary pump (4) driven by auxiliary-motor (3);
Main pump water inlet (10), described main pump water inlet (10) connects water inlet pipe (8) through inlet triplet for water (9), and described water inlet pipe (8) is connected to water source through water intaking valve (5);
Auxiliary pump water inlet (12), described auxiliary pump water inlet (12) connects water inlet pipe (8) through inlet triplet for water (9);
Main pump delivery port (11), described main pump delivery port (11) communicates with cleaning machine delivery port (23) through outlet three way (16);
Auxiliary pump delivery port (13), described auxiliary pump delivery port (13) communicates with cleaning machine delivery port (23) through outlet three way (16);
High Pressure Gun (26), described High Pressure Gun (26) is connected to cleaning machine delivery port (23) through delivery hose (25) by water out adapter (24);
It is characterized in that:
Between described main pump delivery port (11) and described outlet three way (16), be provided with main pump go out water one-way valve (14), described main pump goes out water one-way valve (14) direction and leads to cleaning machine delivery port (23), between auxiliary pump delivery port (13) and described outlet three way (16), be provided with auxiliary pump go out water one-way valve (15), described auxiliary pump goes out water one-way valve (15) direction and leads to cleaning machine delivery port (23);
Described main pump (2) specified maximum working pressure (MWP) is P1
max, described auxiliary pump (4) specified maximum working pressure (MWP) is P2
max, P1
max>P2
max;
Described main pump delivery port (11) is provided with the normally closed pressure switch of main pump (6), and when described main pump delivery port (11) place, pressure exceeds P1
maxduring one setting numerical value, the normally closed pressure switch of described main pump (6) is in off-state; Described auxiliary pump delivery port (13) is provided with the normally closed pressure switch of auxiliary pump (7), and when described auxiliary pump delivery port (13) place, pressure exceeds P2
maxone sets numerical value and is not more than P1
maxtime, the normally closed pressure switch of described auxiliary pump (7) is in off-state;
Power supply (31) power supply that described mair motor (1) and auxiliary-motor (3) control by a main switch (30);
To connect in the current supply circuit of described mair motor (1) the normally closed pressure switch of described main pump (6), the normally closed pressure switch of described auxiliary pump (7) of connecting in described auxiliary-motor (3) current supply circuit;
Energy saver mode selector switch (17) is also provided with in the current supply circuit of described jetting machine, when described energy saver mode selector switch (17) is positioned at T1 position, current supply circuit only connects described auxiliary-motor (3), described auxiliary-motor (3) and described auxiliary pump (4) work, and described mair motor (1) and described main pump (2) are in off-position, during work, described auxiliary pump goes out water one-way valve (15) unlatching, described main pump goes out water one-way valve (14) and cuts out, and described jetting machine is in energy saver mode; When described energy saver mode selector switch (17) is positioned at T2 position, current supply circuit can connect described mair motor (1) and described auxiliary-motor (3) simultaneously, and described jetting machine realizes high pressure mode, has pressure large discharge pattern or super-flow pattern with no pressure;
When described main pump (2) is with specified maximum working pressure (MWP) P1
maxduring work, the consumed power W1 of described mair motor (1)
maxfor the maximum allowable power of described power supply (31) or described jetting machine, due to P1
max>P2
max, described main pump go out water one-way valve (14) be in enable possition and described auxiliary pump to go out water one-way valve (15) in the closed position, closedown described auxiliary pump delivery port (13) pressure going out water one-way valve (15) along with described auxiliary pump can rise instantaneously and the normally closed pressure switch of auxiliary pump (7) is disconnected, thus cut off the current supply circuit of described auxiliary-motor (3), described auxiliary-motor (3) and described auxiliary pump (4) are in stopped status, maximum allowable power all drives described main pump (2) for described mair motor (1), described High Pressure Gun (26) discharge pressure is maximum working pressure (MWP) P1
max, described jetting machine is in high pressure mode,
According to high-pressure hydraulic pump characteristic, along with described main pump (2) discharge pressure P1 diminishes, corresponding water flow Q1 starts to rise, and the W1 of described mair motor (1) the institute consumed power simultaneously driving main pump (2) to run declines, and particularly works as P1<P2
maxshi Suoshu auxiliary pump goes out water one-way valve (15) will become enable possition from closed position, described auxiliary pump delivery port (13) place pressure starts to decline, thus make the normally closed pressure switch of auxiliary pump (7) come back to normally closed position, the current supply circuit of described auxiliary-motor (3) is switched on and starts to start, described auxiliary pump (4) discharge pressure P2=P1, described auxiliary pump (4) water flow is Q2, corresponding described auxiliary-motor (3) institute consumed power is W2, it is W1+W2, W1+W2≤W1 that described jetting machine consumes general power
maxnamely described general power is within the maximum allowable power scope of described power supply (31) or described jetting machine, when described main pump (2) and described auxiliary pump (4) work simultaneously, described High Pressure Gun (26) discharge pressure P=P1=P2, described High Pressure Gun (26) water flow Q=Q1+Q2, described jetting machine has been in pressure large discharge pattern;
Along with described main pump (2) discharge pressure P1 continues to drop to minimum pressure P1
min, corresponding water flow Q1 rises to maximum stream flow Q1
max, same described auxiliary pump (4) discharge pressure drops to P2
min=P1
min, corresponding water flow Q2 rises to maximum stream flow Q2
max, described High Pressure Gun (26) discharge pressure is in minimum pressure P
min=P1
min=P2
min, described High Pressure Gun (26) water flow Q
max=Q1
max+ Q2
max, described jetting machine is in super-flow pattern with no pressure.
Described High Pressure Gun (26) be configured with can any switching laws high pressure nozzle (27), have pressure large discharge nozzle (28) and super-flow nozzle with no pressure (29); When described energy saver mode selector switch (17) is positioned at T2 position, switch to described high pressure nozzle (27) that maximum working pressure (MWP) P1 can be obtained
max, described jetting machine automatically switches to high pressure mode; When described energy saver mode selector switch (17) is positioned at T2 position, have pressure large discharge nozzle (28) can obtain discharge pressure P and large water flow Q described in switching to, described jetting machine has automatically switched to pressure large discharge pattern; When described energy saver mode selector switch (17) is positioned at T2 position, switches described super-flow nozzle (29) with no pressure and can obtain discharge pressure P
minand super large water flow Q
max, described jetting machine automatically switches to super-flow pattern with no pressure.
Near described auxiliary pump delivery port (13), be provided with cleaning solution siphon valve (32), described cleaning solution siphon valve (32) siphon port communicates with cleaning solution suction pipe (33), when described High Pressure Gun (26) discharge pressure is less than or equal to minimum pressure P
minshi Suoshu cleaning solution siphon valve (32) will play siphonage, and cleaning solution enters after machine mixes with water and sprays from described High Pressure Gun (26).
At high pressure mode, have pressure large discharge pattern and super-flow pattern with no pressure, the start and stop of described auxiliary-motor (3) and described auxiliary pump (4) by arranging flow signal switch to control on auxiliary pump delivery port (13).
The force value of the normally closed pressure switch of described main pump (6) action is identical with the force value that described mair motor (1) and described main pump (2) close rifle stoppage protection at described High Pressure Gun (26).
The force value of the normally closed pressure switch of described auxiliary pump (7) action is identical with the force value that described auxiliary-motor (3) and described auxiliary pump (4) close rifle stoppage protection at described High Pressure Gun (26).
Described mair motor (1) is series excited machine, the motor of any one type in magneto, induction machine or brushless electric machine.
Described auxiliary-motor (3) is series excited machine, the motor of any one type in magneto, induction machine or brushless electric machine.
The beneficial effect that the present invention reaches:
The jetting machine of multiple-working mode of the present invention, comprise main pump and auxiliary pump two groups of power, two groups of dynamic designs can compensate mutually, main pump volumetric efficiency is higher, the large pressure larger than general cleaning machine can be obtained, low-power large discharge focused on by auxiliary pump, achieves real high pressure, large discharge; This jetting machine all maintains higher position in high pressure or large discharge state power load and does not exceed family or the maximum power load of machine permission itself; Multiple-working mode easy switching, simple to operate, meet multiple use needs; Cleaning solution siphon valve is arranged on auxiliary pump delivery port and also can promotes main pump pressure versus flow further, facilitate user to select to use cleaning solution at energy saver mode simultaneously.
Accompanying drawing explanation
The high pressure of Fig. 1 jetting machine of the present invention, low discharge pattern (high pressure mode);
The middle pressure of Fig. 2 jetting machine of the present invention, large discharge pattern (having pressure large discharge pattern);
The low-pressure of Fig. 3 jetting machine of the present invention, super-flow pattern (super-flow pattern with no pressure);
The little pressure of Fig. 4 jetting machine of the present invention, low discharge pattern (energy saver mode);
In figure, 1, mair motor; 2, main pump; 3, auxiliary-motor; 4, auxiliary pump; 5, water intaking valve; 6, the normally closed pressure switch of main pump; 7, the normally closed pressure switch of auxiliary pump; 8, water inlet pipe; 9, inlet triplet for water; 10, main pump water inlet; 11, main pump delivery port; 12, auxiliary pump water inlet; 13, auxiliary pump delivery port; 14, main pump goes out water one-way valve; 15, auxiliary pump goes out water one-way valve; 16, outlet three way; 17, energy saver mode selector switch; 18, mair motor power supply lead wire one; 19, auxiliary-motor power supply lead wire one; 20, mair motor power supply lead wire two; 21, auxiliary-motor power supply lead wire two; 22, cleaning machine main body; 23, cleaning machine delivery port; 24, water out adapter; 25, delivery hose; 26, High Pressure Gun; 27, high pressure nozzle; 28, pressure large discharge nozzle is had; 29, super-flow nozzle with no pressure; 30, main switch; 31, power supply; 32, cleaning solution siphon valve; 33, cleaning solution suction pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the jetting machine of multiple-working mode of the present invention, cleaning machine main body 22 comprises main pump 2 and auxiliary pump 4 liang group power, and main pump 2 and auxiliary pump 4 are driven by mair motor 1 and auxiliary-motor 3 respectively.Main pump water inlet 10 and auxiliary pump water inlet 12 are connected to inlet triplet for water 9 respectively, and another road of inlet triplet for water 9 is communicated with water intaking valve 5 through water inlet pipe 8.Main pump delivery port 11, auxiliary pump delivery port 13 go out water one-way valve 14 through main pump respectively, auxiliary pump goes out water one-way valve 15 and is connected to outlet three way 16, and another road of outlet three way 16 is connected with cleaning machine delivery port 23.Main pump goes out water one-way valve 14 direction and leads to cleaning machine delivery port 23; Described auxiliary pump goes out water one-way valve 15 direction and leads to cleaning machine delivery port 23.
Cleaning machine delivery port 23 can be connected with delivery hose 25 through water out adapter 24.Delivery hose 25 is connected with High Pressure Gun 26.
Mair motor 1, auxiliary-motor 3 are powered by power supply 31, and power supply 31 is controlled by main switch 30.
The T2 shelves of power supply 31 respectively in mair motor power supply lead wire 1, the normally closed pressure switch 6 of main pump, mair motor 1, mair motor power supply lead wire 2 20 and energy saver mode selector switch 17 form mair motor current supply circuit; The T1 shelves of power supply 31 simultaneously respectively in auxiliary-motor power supply lead wire 1, the normally closed pressure switch 7 of auxiliary pump, auxiliary-motor 3, auxiliary-motor power supply lead wire 2 21 and energy saver mode selector switch 17 or T2 shelves form auxiliary-motor current supply circuit.
The specified maximum working pressure (MWP) of main pump 2 is P1
max, the specified maximum working pressure (MWP) of auxiliary pump 4 is P2
max, P1
max>P2
max.Be provided with the normally closed pressure switch 6 of main pump at main pump delivery port 11 place, when main pump delivery port 11 place, pressure exceeds P1
maxduring one setting numerical value, the normally closed pressure switch 6 of main pump is in off-state; Arrange the normally closed pressure switch 7 of auxiliary pump at auxiliary pump delivery port 13 place, when auxiliary pump delivery port 13 place, pressure exceeds P2
maxone sets numerical value and is not more than P1
maxtime, the normally closed pressure switch 7 of auxiliary pump is in off-state.
High Pressure Gun 26 end be configured with can any switching laws high pressure nozzle 27, have pressure large discharge nozzle 28 and super-flow nozzle 29 with no pressure.
When energy saver mode selector switch 17 is positioned at T1 position, current supply circuit only connects auxiliary-motor 3, auxiliary-motor 3 and auxiliary pump 4 work, and mair motor 1 and main pump 2 are in off-position, and during work, auxiliary pump goes out water one-way valve 15 and opens, main pump goes out water one-way valve 14 and cuts out, and jetting machine is in energy saver mode.
When energy saver mode selector switch 17 is positioned at T2 position, current supply circuit can connect described mair motor 1 and auxiliary-motor 3 simultaneously, and jetting machine realizes high pressure mode, has pressure large discharge pattern or super-flow pattern with no pressure.When energy saver mode selector switch 17 is positioned at T2 position, switch to high pressure nozzle 27 can obtain maximum working pressure (MWP) P1
max, jetting machine automatically switches to high pressure mode; When energy saver mode selector switch 17 is positioned at T2 position, switched to pressure large discharge nozzle 28 can obtain discharge pressure P and large water flow Q, jetting machine has automatically switched to pressure large discharge pattern; When energy saver mode selector switch 17 is positioned at T2 position, switches super-flow nozzle 29 with no pressure and can obtain discharge pressure P
minand super large water flow Q
max, jetting machine automatically switches to super-flow pattern with no pressure.
Be provided with cleaning solution siphon valve 32 near auxiliary pump delivery port 13, cleaning solution siphon valve 32 siphon port communicates with cleaning solution suction pipe 33, when High Pressure Gun 26 discharge pressure is less than or equal to main pump 2 discharge pressure minimum pressure P1
mintime cleaning solution siphon valve 32 will play siphonage.
At high pressure mode, have pressure large discharge pattern and super-flow pattern with no pressure, the start and stop of auxiliary-motor 3 and auxiliary pump 4 by arranging flow signal switch to control on auxiliary pump delivery port 13.
The force value of main pump normally closed pressure switch 6 action is identical with the force value that mair motor 1 and main pump 2 close rifle stoppage protection at High Pressure Gun 26.The force value of auxiliary pump normally closed pressure switch 7 action is identical with the force value that auxiliary-motor 3 and auxiliary pump 4 close rifle stoppage protection at High Pressure Gun 26.
1, high pressure, low discharge pattern (high pressure mode)
As shown in Figure 1, energy saver mode selector switch 17 is set to connect T2 shelves, and when switching to high pressure nozzle 27, main pump 2 is with specified maximum working pressure (MWP) P1
maxduring work, the consumed power W1 of mair motor 1
maxfor the maximum allowable power of power supply 31 or jetting machine, due to P1
max>P2
max, main pump goes out water one-way valve 14 and opens, and the normally closed pressure switch 6 of main pump is conducting state, and the current supply circuit of mair motor 1 is communicated with.When main switch 30 is opened, mair motor 1 starts, and Host actuating pump 2 is in running order.And auxiliary pump goes out water one-way valve 15 closes, along with described auxiliary pump goes out the cut out of water one-way valve 15, the pressure of auxiliary pump delivery port 13 can rise instantaneously and the normally closed pressure switch 7 of auxiliary pump is disconnected, and the current supply circuit of auxiliary-motor 3 is disconnected, auxiliary-motor 3 does not start, thus auxiliary pump 4 does not start.Current enter water inlet pipe 8 through water intaking valve 5, main pump water inlet 10 is flowed to through inlet triplet for water 9, flow to main pump through main pump 2 from main pump delivery port 11 and go out water one-way valve 14, cleaning machine delivery port 23 is flow to after outlet three way 16, flow to delivery hose 25, High Pressure Gun 26 through water out adapter 24, spray from high pressure nozzle 27.Maximum allowable power all drives main pump 2 for mair motor 1, and High Pressure Gun 26 discharge pressure is maximum working pressure (MWP) P1
max, jetting machine is in high pressure mode.
Under this pattern, only worked by main pump 2, auxiliary pump 4 is in closed condition, and high pressure nozzle 27 can obtain maximum working pressure (MWP) P1
max, complete machine is in high-power state, and discharge pressure is large, and have higher cleaning capacity, discharge pressure, flow are all larger than common jetting machine high pressure mode.
During closedown High Pressure Gun 26, main pump 2 delivery port pressure rises fast, and the normally closed pressure switch of main pump 6 becomes disconnection from normally closed, and mair motor 1 is shut down, and realizes closing rifle protection.
2, middle pressure, large discharge pattern (having pressure large discharge pattern)
As shown in Figure 2, energy saver mode selector switch 17 is set to connect T2 shelves, when having switched to pressure large discharge nozzle 28, main pump goes out water one-way valve 14, auxiliary pump goes out water one-way valve 15 and all opens, the normally closed pressure switch of main pump 6 and the normally closed pressure switch 7 of auxiliary pump are conducting state, the equal conducting of current supply circuit of mair motor 1, auxiliary-motor 3.When main switch 30 is opened, mair motor 1, auxiliary-motor 3 all start, Host actuating pump 2, auxiliary pump 4 enter duty, current enter water inlet pipe 8 through water intaking valve 5, main pump water inlet 10 and auxiliary pump water inlet 12 is flowed to respectively through inlet triplet for water 9, flow to through main pump 2, auxiliary pump 4 that main pump goes out water one-way valve 14, auxiliary pump goes out water one-way valve 15 respectively from main pump delivery port 11, auxiliary pump delivery port 13, cleaning machine delivery port 23 is flow to after outlet three way 16 place collects, flowing to delivery hose 25, High Pressure Gun 26 through water out adapter 24, spraying from there being pressure large discharge nozzle 28.
According to high-pressure hydraulic pump characteristic, along with main pump 2 discharge pressure P1 diminishes, corresponding water flow Q1 starts to rise, and the W1 of mair motor 1 consumed power simultaneously driving main pump 2 to run declines, and particularly works as P1<P2
maxtime auxiliary pump go out water one-way valve 15 and will become enable possition from closed position, auxiliary pump delivery port 13 place pressure starts to decline, thus make the normally closed pressure switch 7 of auxiliary pump come back to normally closed position, the current supply circuit of auxiliary-motor 3 is switched on and starts to start, auxiliary pump 4 discharge pressure P2=P1, auxiliary pump 4 water flow is Q2, and corresponding auxiliary-motor 3 consumed powers are W2, it is W1+W2, W1+W2≤W1 that jetting machine consumes general power
max, namely general power is within the maximum allowable power scope of power supply 31 or jetting machine, and when main pump 2 and auxiliary pump 4 work simultaneously, High Pressure Gun 26 discharge pressure P=P1=P2, High Pressure Gun 26 water flow Q=Q1+Q2, jetting machine has been in pressure large discharge pattern.
Under this pattern, main pump 2, auxiliary pump 4 supply water to High Pressure Gun 26 simultaneously, discharge pressure P and large water flow Q can be obtained, the load that main pump has more is for starting auxiliary pump, complete machine load maintains higher position, high pressure truly, large discharge water outlet can be realized, there is higher cleaning capacity and operating efficiency.
During closedown High Pressure Gun 26, auxiliary pump 4 and main pump 2 delivery port pressure rise fast, and the normally closed pressure switch of auxiliary pump 7 and main pump normally closed pressure switch 6 successively become disconnection from normally closed, and auxiliary-motor 3 and mair motor 1 are successively shut down, and realize pass rifle protection.
3, low-pressure, super-flow pattern (super-flow pattern with no pressure)
As shown in Figure 3, when described energy saver mode selector switch 17 is positioned at T2 position, when switching to super-flow nozzle 29 with no pressure, main pump goes out water one-way valve 14, auxiliary pump goes out water one-way valve 15 and all opens, the normally closed pressure switch of main pump 6 and the normally closed pressure switch 7 of auxiliary pump are conducting state, the equal conducting of current supply circuit of mair motor 1, auxiliary-motor 3.When main switch 30 is opened, mair motor 1, auxiliary-motor 3 all start, Host actuating pump 2, auxiliary pump 4 enter duty, current enter water inlet pipe 8 through water intaking valve 5, main pump water inlet 10 and auxiliary pump water inlet 12 is flowed to respectively through inlet triplet for water 9, flow to through main pump 2, auxiliary pump 4 that main pump goes out water one-way valve 14, auxiliary pump goes out water one-way valve 15 respectively from main pump delivery port 11, auxiliary pump delivery port 13, cleaning machine delivery port 23 is flow to after outlet three way 16 place collects, flow to delivery hose 25, High Pressure Gun 26 through water out adapter 24, spray from super-flow nozzle 29 with no pressure.
Along with main pump 2 discharge pressure P1 continues to drop to minimum pressure P1
min, corresponding water flow Q1 rises to maximum stream flow Q1
max, same auxiliary pump 4 discharge pressure drops to P2
min=P1
min, corresponding water flow Q2 rises to maximum stream flow Q2
max, High Pressure Gun 26 discharge pressure is in minimum pressure P
min=P1
min=P2
min, High Pressure Gun 26 water flow Q
max=Q1
max+ Q2
max, jetting machine is in super-flow pattern with no pressure.
Under this pattern, main pump 2, auxiliary pump 4 supply water to High Pressure Gun 26 simultaneously, can obtain discharge pressure P
minand super large water flow Q
max, can realize, without pressure, super-flow water outlet, there is the cleaning capacity of superelevation.
During closedown High Pressure Gun 26, auxiliary pump 4 and main pump 2 delivery port pressure rise fast, and the normally closed pressure switch of auxiliary pump 7 and main pump normally closed pressure switch 6 successively become disconnection from normally closed, and auxiliary-motor 3 and mair motor 1 are successively shut down, and realize pass rifle protection.
4, little pressure, low discharge pattern (energy saver mode)
As shown in Figure 4, energy saver mode selector switch 17 is set to T1 shelves and connects, and the current supply circuit of mair motor 1 is disconnected, and main pump 2 is in off-position.When main switch 30 is opened, the current supply circuit conducting of auxiliary-motor 3, auxiliary-motor 3 is connected, and auxiliary pump 4 starts, only have auxiliary pump 4 in running order, auxiliary pump goes out water one-way valve 15 and opens, and main pump goes out water one-way valve 14 and cuts out, and current enter water inlet pipe 8 through water intaking valve 5, auxiliary pump water inlet 12 is flowed to through inlet triplet for water 9, flow to auxiliary pump through auxiliary pump 4 from auxiliary pump delivery port 13 and go out water one-way valve 15, flow to cleaning machine delivery port 23 through outlet three way 16, flow to delivery hose 25 to High Pressure Gun 26 through water out adapter 24.
Under this pattern, user can select high pressure nozzle 27, have pressure large discharge nozzle 28 or super-flow nozzle 29 with no pressure, work owing to only there being auxiliary pump 4, main pump 2 is in closed condition, complete machine is in low power state, user obtains relatively little pressure and flow, is not suitable for the place with a large amount of Water spray, realizes economize on electricity, water saving for general cleaning and some.
This energy saver mode has very ambassador's meaning for user, achieves flushable smallclothes and avoids again water to flash everywhere, simultaneously more energy-conservation.
During closedown High Pressure Gun 26, auxiliary pump 4 delivery port pressure rises fast, and the normally closed pressure switch of auxiliary pump 7 becomes disconnection from normally closed, and auxiliary-motor 3 is shut down, and realizes closing rifle protection.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (8)
1. the jetting machine of one kind of multiple mode of operations, comprising:
The main pump (2) driven by mair motor (1);
The auxiliary pump (4) driven by auxiliary-motor (3);
Main pump water inlet (10), described main pump water inlet (10) connects water inlet pipe (8) through inlet triplet for water (9), and described water inlet pipe (8) is connected to water source through water intaking valve (5);
Auxiliary pump water inlet (12), described auxiliary pump water inlet (12) connects water inlet pipe (8) through inlet triplet for water (9);
Main pump delivery port (11), described main pump delivery port (11) communicates with cleaning machine delivery port (23) through outlet three way (16);
Auxiliary pump delivery port (13), described auxiliary pump delivery port (13) communicates with cleaning machine delivery port (23) through outlet three way (16);
High Pressure Gun (26), described High Pressure Gun (26) is connected to cleaning machine delivery port (23) through delivery hose (25) by water out adapter (24);
It is characterized in that:
Between described main pump delivery port (11) and described outlet three way (16), be provided with main pump go out water one-way valve (14), described main pump goes out water one-way valve (14) direction and leads to cleaning machine delivery port (23), between auxiliary pump delivery port (13) and described outlet three way (16), be provided with auxiliary pump go out water one-way valve (15), described auxiliary pump goes out water one-way valve (15) direction and leads to cleaning machine delivery port (23);
Described main pump (2) specified maximum working pressure (MWP) is P1
max, described auxiliary pump (4) specified maximum working pressure (MWP) is P2
max, P1
max>P2
max;
Described main pump delivery port (11) is provided with the normally closed pressure switch of main pump (6), and when described main pump delivery port (11) place, pressure exceeds P1
maxduring one setting numerical value, the normally closed pressure switch of described main pump (6) is in off-state; Described auxiliary pump delivery port (13) is provided with the normally closed pressure switch of auxiliary pump (7), and when described auxiliary pump delivery port (13) place, pressure exceeds P2
maxone sets numerical value and is not more than P1
maxtime, the normally closed pressure switch of described auxiliary pump (7) is in off-state;
Power supply (31) power supply that described mair motor (1) and auxiliary-motor (3) control by a main switch (30);
To connect in the current supply circuit of described mair motor (1) the normally closed pressure switch of described main pump (6), the normally closed pressure switch of described auxiliary pump (7) of connecting in described auxiliary-motor (3) current supply circuit;
Energy saver mode selector switch (17) is also provided with in the current supply circuit of described jetting machine, when described energy saver mode selector switch (17) is positioned at T1 position, current supply circuit only connects described auxiliary-motor (3), described auxiliary-motor (3) and described auxiliary pump (4) work, and described mair motor (1) and described main pump (2) are in off-position, during work, described auxiliary pump goes out water one-way valve (15) unlatching, described main pump goes out water one-way valve (14) and cuts out, and described jetting machine is in energy saver mode; When described energy saver mode selector switch (17) is positioned at T2 position, current supply circuit can connect described mair motor (1) and described auxiliary-motor (3) simultaneously, and described jetting machine realizes high pressure mode, has pressure large discharge pattern or super-flow pattern with no pressure;
When described main pump (2) is with specified maximum working pressure (MWP) P1
maxduring work, the consumed power W1 of described mair motor (1)
maxfor the maximum allowable power of described power supply (31) or described jetting machine, due to P1
max>P2
max, described main pump go out water one-way valve (14) be in enable possition and described auxiliary pump to go out water one-way valve (15) in the closed position, closedown described auxiliary pump delivery port (13) pressure going out water one-way valve (15) along with described auxiliary pump can rise instantaneously and the normally closed pressure switch of auxiliary pump (7) is disconnected, thus cut off the current supply circuit of described auxiliary-motor (3), described auxiliary-motor (3) and described auxiliary pump (4) are in stopped status, maximum allowable power all drives described main pump (2) for described mair motor (1), described High Pressure Gun (26) discharge pressure is maximum working pressure (MWP) P1
max, described jetting machine is in high pressure mode,
According to high-pressure hydraulic pump characteristic, along with described main pump (2) discharge pressure P1 diminishes, corresponding water flow Q1 starts to rise, and the W1 of described mair motor (1) the institute consumed power simultaneously driving main pump (2) to run declines, and particularly works as P1<P2
maxshi Suoshu auxiliary pump goes out water one-way valve (15) will become enable possition from closed position, described auxiliary pump delivery port (13) place pressure starts to decline, thus make the normally closed pressure switch of auxiliary pump (7) come back to normally closed position, the current supply circuit of described auxiliary-motor (3) is switched on and starts to start, described auxiliary pump (4) discharge pressure P2=P1, described auxiliary pump (4) water flow is Q2, corresponding described auxiliary-motor (3) institute consumed power is W2, it is W1+W2, W1+W2≤W1 that described jetting machine consumes general power
maxnamely described general power is within the maximum allowable power scope of described power supply (31) or described jetting machine, when described main pump (2) and described auxiliary pump (4) work simultaneously, described High Pressure Gun (26) discharge pressure P=P1=P2, described High Pressure Gun (26) water flow Q=Q1+Q2, described jetting machine has been in pressure large discharge pattern;
Along with described main pump (2) discharge pressure P1 continues to drop to minimum pressure P1
min, corresponding water flow Q1 rises to maximum stream flow Q1
max, same described auxiliary pump (4) discharge pressure drops to P2
min=P1
min, corresponding water flow Q2 rises to maximum stream flow Q2
max, described High Pressure Gun (26) discharge pressure is in minimum pressure P
min=P1
min=P2
min, described High Pressure Gun (26) water flow Q
max=Q1
max+ Q2
max, described jetting machine is in super-flow pattern with no pressure.
2. the jetting machine of multiple-working mode according to claim 1, is characterized in that: described High Pressure Gun (26) be configured with can any switching laws high pressure nozzle (27), have pressure large discharge nozzle (28) and super-flow nozzle with no pressure (29); When described energy saver mode selector switch (17) is positioned at T2 position, switch to described high pressure nozzle (27) that maximum working pressure (MWP) P1 can be obtained
max, described jetting machine automatically switches to high pressure mode; When described energy saver mode selector switch (17) is positioned at T2 position, have pressure large discharge nozzle (28) can obtain discharge pressure P and large water flow Q described in switching to, described jetting machine has automatically switched to pressure large discharge pattern; When described energy saver mode selector switch (17) is positioned at T2 position, switches described super-flow nozzle (29) with no pressure and can obtain discharge pressure P
minand super large water flow Q
max, described jetting machine automatically switches to super-flow pattern with no pressure.
3. the jetting machine of multiple-working mode according to claim 1, it is characterized in that: near described auxiliary pump delivery port (13), be provided with cleaning solution siphon valve (32), described cleaning solution siphon valve (32) siphon port communicates with cleaning solution suction pipe (33), when described High Pressure Gun (26) discharge pressure is less than or equal to minimum pressure P
minshi Suoshu cleaning solution siphon valve (32) will play siphonage, and cleaning solution enters after machine mixes with water and sprays from described High Pressure Gun (26).
4. the jetting machine of multiple-working mode according to claim 1, it is characterized in that: at high pressure mode, have pressure large discharge pattern and super-flow pattern with no pressure, the start and stop of described auxiliary-motor (3) and described auxiliary pump (4) by arranging flow signal switch to control on auxiliary pump delivery port (13).
5. the jetting machine of multiple-working mode according to claim 1, is characterized in that: the force value of the normally closed pressure switch of described main pump (6) action is identical with the force value that described mair motor (1) and described main pump (2) close rifle stoppage protection at described High Pressure Gun (26).
6. the jetting machine of multiple-working mode according to claim 1, is characterized in that: the force value of the normally closed pressure switch of described auxiliary pump (7) action is identical with the force value that described auxiliary-motor (3) and described auxiliary pump (4) close rifle stoppage protection at described High Pressure Gun (26).
7. the jetting machine of multiple-working mode according to claim 1, is characterized in that: described mair motor (1) is series excited machine, the motor of any one type in magneto, induction machine or brushless electric machine.
8. the jetting machine of multiple-working mode according to claim 1, is characterized in that: described auxiliary-motor (3) is series excited machine, the motor of any one type in magneto, induction machine or brushless electric machine.
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| CN201510171069.5A CN104741334B (en) | 2015-04-10 | 2015-04-10 | The jetting machine of one kind of multiple mode of operations |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171069.5A CN104741334B (en) | 2015-04-10 | 2015-04-10 | The jetting machine of one kind of multiple mode of operations |
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| CN104741334A true CN104741334A (en) | 2015-07-01 |
| CN104741334B CN104741334B (en) | 2016-10-19 |
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| CN107913808A (en) * | 2017-11-08 | 2018-04-17 | 江苏苏美达五金工具有限公司 | A kind of antidrip high-low pressure combination nozzle and high-pressure cleaning device |
| CN108014935A (en) * | 2017-11-08 | 2018-05-11 | 江苏苏美达五金工具有限公司 | A kind of pressure linear regulation combination nozzle and high-pressure cleaning device |
| CN108067457A (en) * | 2016-11-11 | 2018-05-25 | 安诺维雷韦尔贝里有限公司 | Water washer |
| WO2020043032A1 (en) * | 2018-08-28 | 2020-03-05 | 苏州宝时得电动工具有限公司 | Spray nozzle device used for high pressure washer, and handheld high pressure washer |
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| CN112495910A (en) * | 2020-11-23 | 2021-03-16 | 宜兴市新通恒电动工具有限公司 | Constant power series excitation brush high-pressure cleaning machine |
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