CN112495909A - High-pressure constant-power cleaning machine - Google Patents
High-pressure constant-power cleaning machine Download PDFInfo
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- CN112495909A CN112495909A CN202011425026.2A CN202011425026A CN112495909A CN 112495909 A CN112495909 A CN 112495909A CN 202011425026 A CN202011425026 A CN 202011425026A CN 112495909 A CN112495909 A CN 112495909A
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- power
- motor
- frequency
- pressure
- circuit board
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a high-voltage constant-power cleaning machine, which comprises a motor and a plunger pump driven by the motor, wherein the plunger pump is connected with a water source and a high-pressure water gun, the water source sprays high-pressure water by the high-pressure water gun after passing through the plunger pump, a nozzle assembly for switching is arranged on the high-pressure water gun, a variable frequency circuit board is connected on the motor and is electrically connected with a power supply, the power supply supplies power to the motor through the variable frequency circuit board according to preset voltage and frequency so that the motor is started according to preset power, the variable frequency circuit board detects the real-time power of the motor, the nozzle assembly is switched so that the real-time power of the motor is changed, the real-time power of the motor is compared with the preset power value by the variable frequency circuit. Through the mode, the high-voltage constant-power cleaning machine can change the input power supply through the frequency conversion circuit board to enable the motor to work in a constant-power state, and is good in using effect, safe and reliable.
Description
Technical Field
The invention relates to the field of cleaning machines, in particular to a high-pressure constant-power cleaning machine.
Background
The original high-pressure cleaning technical scheme is a series motor cleaning machine, a common motor cleaning machine and a brushless cleaning machine. The characteristic motor efficiency of the series excited cleaning machine is not high under the existing condition, the service life is short, and the noise is large. The longer noise of motor cleaning machine life also is less than the series excited machine but because of its motor principle restriction starting torque is limited, motor output rotational speed can not change motor torque and can descend when the electric wire netting voltage does not reach the requirement undervoltage, this can lead to the motor probably to appear unable rotation when the moment of torsion descends and cause the stalling, lead to unable the use, motor output rotational speed can not change after another point voltage descends, consequently, power can not change, machine operation current can just rise in this kind of condition, exceed the electric brake rated current when the electric current will lead to the electric brake tripping operation or fusing electric brake fuse, consequently, the response cleaning machine can't use power enough when the design, must reserve certain allowance and prevent the tripping phenomenon. Brushless motor can be fine overcome above several, for noise between series excited machine and motor the motor also very big starting problem can not appear because of there being circuit board control starting torque, and the limit can also be accomplished to power, also can reduce motor speed when input voltage descends and drop the power and prevent the electric brake because of transshipping and lead to the electric brake tripping operation, but brushless motor and control panel cost are very high, thereby it causes the magnetic force of permanent magnet rotor to descend to lead to the motor moment of torsion to cause the motor can't start to lead to the product to become invalid completely to generate heat too big when the long-time use of power very high motor.
Disclosure of Invention
The invention mainly solves the technical problem of providing the high-voltage constant-power cleaning machine, which can change an input power supply through a frequency conversion circuit board to enable a motor to work in a constant-power state, and has the advantages of good use effect, safety and reliability.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a high-pressure constant power cleaning machine, includes motor and motor driven plunger pump, the plunger pump is connected with water source and high-pressure squirt, and the water source is through behind the plunger pump by high-pressure squirt blowout high pressure water, be equipped with the nozzle assembly who is used for switching on the high-pressure squirt, be connected with the variable frequency circuit board on the motor, variable frequency circuit board and power electric connection, the power supplies power to the motor according to predetermineeing power start-up through the variable frequency circuit board according to predetermined voltage and frequency, variable frequency circuit board detection motor real-time power, the variable frequency circuit board supplies power to predetermined starting voltage and frequency after the nozzle assembly switches, and voltage and/or the frequency through the adjustment power make motor real-time power be close to predetermineeing power with the regulation motor rotational speed.
In a preferred embodiment of the invention, the frequency conversion circuit board has the set highest voltage and frequency, and the frequency conversion circuit board increases the voltage and frequency of the power supply to the set highest voltage and frequency, and then the power supply supplies power to the motor at the set highest voltage and frequency.
In a preferred embodiment of the invention, the nozzle assembly comprises a high-pressure small-aperture nozzle, a medium-pressure medium-aperture nozzle, a small-pressure medium-aperture nozzle and a low-pressure large-aperture nozzle, wherein the aperture of the high-pressure small-aperture nozzle ranges from 0.88 mm to 0.95mm, the aperture of the medium-pressure medium-aperture nozzle ranges from 1.01 mm to 1.09mm, the aperture of the small-pressure medium-aperture nozzle ranges from 1.12 mm to 1.18mm, and the aperture of the low-pressure large-aperture nozzle ranges from 1.95 mm to 2.05 mm.
In a preferred embodiment of the present invention, after the nozzle assembly is switched to the low-pressure large-aperture nozzle, the frequency conversion circuit board adjusts the power supply to a preset starting voltage and frequency for supplying power, the real-time power of the motor is lower than the preset power, the frequency conversion circuit board increases the rotation speed of the motor by increasing the voltage and/or frequency of the power supply until the power supply supplies power to the motor at the set highest voltage and frequency, and the plunger pump outputs the lowest pressure and the maximum flow.
In a preferred embodiment of the present invention, the nozzle assembly is switched to a high-pressure small-aperture nozzle, the variable frequency circuit board adjusts the power supply back to a preset starting voltage and frequency for supplying power, the real-time power of the motor is lower than the preset power, the variable frequency circuit board increases the rotation speed of the motor by increasing the voltage and/or frequency of the power supply until the real-time power of the motor approaches the preset power, and the plunger pump outputs the highest pressure and the minimum flow.
In a preferred embodiment of the present invention, the nozzle assembly is switched to a medium-pressure medium-aperture nozzle, the variable frequency circuit board adjusts the power supply back to a preset voltage and frequency for supplying power, the real-time power of the motor is lower than the preset power, the variable frequency circuit board increases the rotation speed of the motor by increasing the voltage and/or frequency of the power supply until the real-time power of the motor approaches the preset power, and the plunger pump outputs the lowest pressure and the highest flow.
In a preferred embodiment of the present invention, the nozzle assembly is switched to a small-pressure medium-aperture nozzle, the variable frequency circuit board adjusts the power supply back to a preset voltage and frequency for supplying power, the real-time power of the motor is lower than the preset power, the variable frequency circuit board increases the rotation speed of the motor by increasing the voltage and/or frequency of the power supply until the real-time power of the motor approaches the preset power, and the output pressure of the plunger pump is the lowest and the maximum flow rate.
In a preferred embodiment of the present invention, the preset voltage and frequency of the frequency conversion circuit board are less than the voltage and frequency of the power supply at the time of constant power of the motor, and the voltage and frequency of the power supply at the time of constant power of the motor are less than or equal to the highest voltage and frequency set by the frequency conversion circuit board.
In a preferred embodiment of the present invention, the power source is a dc power source or an ac power source.
The invention has the beneficial effects that: the high-voltage constant-power cleaning machine can change the input power supply through the frequency conversion circuit board to enable the motor to work in a constant-power state, and is good in using effect, safe and reliable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the high-pressure constant-power cleaning machine of the present invention;
FIG. 2 is a schematic flow diagram of the operation of the high pressure constant power washer;
the parts in the drawings are numbered as follows: 1. the device comprises a motor, 2, a plunger pump, 3, a water source, 4, a high-pressure water gun, 5, a spraying assembly, 6, a variable frequency circuit board, 7 and a power supply.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a high-pressure constant-power cleaning machine includes a motor 1 and a plunger pump 2 driven by the motor, the plunger pump 2 is connected to a water source 3 and a high-pressure water gun 4, the water source 3 is sprayed with high-pressure water from the high-pressure water gun 4 after passing through the plunger pump 2, a nozzle assembly 5 for switching is arranged on the high-pressure water gun 4, the motor 1 is connected to a variable frequency circuit board 6, the variable frequency circuit board 6 is electrically connected to a power supply 7, the power supply 7 supplies power to the motor according to a preset voltage and frequency through the variable frequency circuit board 6 to start the motor 1 according to the preset power, the variable frequency circuit board 6 detects the real-time power of the motor, the variable frequency circuit board 6 adjusts the power supply 7 to the preset, the real-time power of the motor 1 is close to the preset power by increasing the voltage and/or the frequency of the power supply 7 to adjust the rotating speed of the motor 1.
In addition, the frequency conversion circuit board 5 has the set highest voltage and frequency, and the power supply 7 supplies power to the motor at the set highest voltage and frequency after the frequency conversion circuit board 5 increases the voltage and frequency of the power supply 7 to the set highest voltage and frequency.
In addition, the nozzle component 5 comprises a high-pressure small-aperture nozzle, a medium-pressure medium-aperture nozzle, a small-pressure medium-aperture nozzle and a low-pressure large-aperture nozzle, the aperture range of the high-pressure small-aperture nozzle is 0.88-0.95mm, the aperture range of the medium-pressure medium-aperture nozzle is 1.01-1.09mm, the aperture range of the small-pressure medium-aperture nozzle is 1.12-1.18mm, and the aperture range of the low-pressure large-aperture nozzle is 1.95-2.05 mm.
In addition, after the nozzle assembly 5 is switched to a low-voltage large-aperture nozzle, the frequency conversion circuit board 6 adjusts the power supply 7 to a preset starting voltage and frequency for supplying power, the real-time power of the motor 1 is lower than the preset power, the frequency conversion circuit board 6 increases the voltage and/or frequency of the power supply 7 to increase the rotating speed of the motor 1 until the power supply 7 supplies power to the motor 1 at the set highest voltage and frequency, and the plunger pump 2 outputs the lowest pressure and the highest flow.
In addition, the nozzle assembly 5 is switched to a high-voltage small-aperture nozzle, the frequency conversion circuit board 6 adjusts the power supply 7 back to preset starting voltage and frequency for supplying power, the real-time power of the motor 1 is lower than the preset power, the frequency conversion circuit board 6 enables the rotating speed of the motor 1 to be increased by increasing the voltage and/or the frequency of the power supply 7 until the real-time power of the motor 1 is close to the preset power, and the plunger pump 2 outputs the highest pressure and the minimum flow.
In addition, the nozzle assembly 5 is switched to a medium-pressure medium-aperture nozzle, the frequency conversion circuit board 6 adjusts the power supply 7 back to preset starting voltage and frequency for supplying power, the real-time power of the motor 1 is lower than the preset power, the frequency conversion circuit board 6 enables the rotating speed of the motor 1 to be increased by increasing the voltage and/or the frequency of the power supply 7 until the real-time power of the motor 1 is close to the preset power, and the plunger pump 2 outputs the lowest pressure and the highest flow.
In addition, the nozzle assembly 5 is switched to a small-pressure medium-aperture nozzle, the power supply 7 is adjusted to the preset starting voltage and frequency by the variable frequency circuit board 6 to supply power, the real-time power of the motor 1 is lower than the preset power, the rotating speed of the motor 1 is increased by increasing the voltage and/or frequency of the power supply 7 by the variable frequency circuit board 6 until the real-time power of the motor 1 is close to the preset power, and the plunger pump 2 outputs the lowest pressure and the maximum flow.
In addition, the preset voltage and frequency of the variable frequency circuit board 6 are less than the voltage and frequency of the power supply when the motor is at constant power, and the voltage and frequency of the power supply when the motor is at constant power are less than or equal to the highest voltage and frequency set by the variable frequency circuit board.
The power supply 7 is a dc power supply or an ac power supply, and the motor 1 is preferably an induction motor.
Compared with the prior art, the high-voltage constant-power cleaning machine can change the input power supply through the frequency conversion circuit board to enable the motor to work in a constant-power state, and is good in using effect, safe and reliable.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a high-pressure constant power cleaning machine, includes the motor and receives motor drive's plunger pump, the plunger pump is connected with water source and high-pressure squirt, and the water source passes through behind the plunger pump by high-pressure squirt blowout high pressure water, a serial communication port, be equipped with the nozzle assembly who is used for switching on the high-pressure squirt, be connected with the variable frequency circuit board on the motor, variable frequency circuit board and power electric connection, the power supplies power to the motor according to predetermineeing power through the variable frequency circuit board according to predetermined voltage and frequency and makes the motor start-up, and variable frequency circuit board detects motor real-time power, the variable frequency circuit board supplies power to predetermined voltage and frequency after the nozzle assembly switches, and voltage and/or the frequency through the adjustment power make motor real-time power be close to.
2. The high pressure constant power washer according to claim 1, wherein the inverter circuit board has a set maximum voltage and frequency, and the inverter circuit board increases the voltage and frequency of the power supply to the set maximum voltage and frequency after which the power supply powers the motor at the set maximum voltage and frequency.
3. The high-pressure constant-power cleaning machine according to claim 2, wherein the nozzle assembly comprises a high-pressure small-aperture nozzle, a medium-pressure medium-aperture nozzle, a small-pressure medium-aperture nozzle and a low-pressure large-aperture nozzle, the caliber of the high-pressure small-aperture nozzle ranges from 0.88 mm to 0.95mm, the caliber of the medium-pressure medium-aperture nozzle ranges from 1.01 mm to 1.09mm, the caliber of the small-pressure medium-aperture nozzle ranges from 1.12 mm to 1.18mm, and the caliber of the low-pressure large-aperture nozzle ranges from 1.95 mm to 2.05 mm.
4. The high-pressure constant-power cleaning machine according to claim 3, wherein after the nozzle assembly is switched to the low-pressure large-aperture nozzle, the frequency conversion circuit board adjusts the power supply to a preset starting voltage and frequency for supplying power, the real-time power of the motor is lower than the preset power, the frequency conversion circuit board increases the rotation speed of the motor by adjusting the voltage and/or frequency of the power supply until the power supply supplies power to the motor at the set highest voltage and frequency, and the plunger pump outputs the lowest pressure and the highest flow.
5. The high-pressure constant-power cleaning machine according to claim 4, wherein the nozzle assembly is switched to a high-pressure small-aperture nozzle, the power supply is adjusted back to a preset starting voltage and frequency by the variable-frequency circuit board to supply power, the real-time power of the motor is lower than the preset power, the rotating speed of the motor is increased by the variable-frequency circuit board by adjusting the voltage and/or the frequency of the power supply until the real-time power of the motor is close to the preset power, and the plunger pump outputs the highest pressure and the minimum flow.
6. The high pressure constant power cleaning machine according to claim 5, wherein the nozzle assembly is switched to a medium pressure medium aperture nozzle, the variable frequency circuit board adjusts the power supply back to a preset starting voltage and frequency for supplying power, the real time power of the motor is lower than the preset power, the variable frequency circuit board increases the rotation speed of the motor by increasing the voltage and/or frequency of the power supply until the real time power of the motor approaches the preset power, and the output pressure of the plunger pump is lowest and the output flow is maximum.
7. The high pressure constant power cleaning machine according to claim 6, wherein the nozzle assembly is switched to a small pressure medium aperture nozzle, the variable frequency circuit board adjusts the power supply back to a preset starting voltage and frequency for supplying power, the real time power of the motor is lower than the preset power, the variable frequency circuit board increases the rotation speed of the motor by increasing the voltage and/or frequency of the power supply until the real time power of the motor approaches the preset power, and the output pressure of the plunger pump is lowest and the output flow is maximum.
8. The high-pressure constant-power cleaning machine according to any one of claims 1-7, wherein the preset starting voltage and frequency rotation speed of the variable-frequency circuit board are less than the voltage and frequency of the power supply at the constant power of the motor, and the voltage and frequency rotation speed of the power supply at the constant power of the motor are less than or equal to the highest voltage and frequency rotation speed set by the variable-frequency circuit board.
9. The high pressure constant power washer according to claim 8, wherein the power source is a dc power source or an ac power source.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020227239233 | 2020-11-23 | ||
| CN202022723923 | 2020-11-23 |
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| Publication Number | Publication Date |
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| CN112495909A true CN112495909A (en) | 2021-03-16 |
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| CN202022924051.7U Active CN216988809U (en) | 2020-11-23 | 2020-12-09 | High-pressure constant-power cleaning machine |
| CN202011425026.2A Pending CN112495909A (en) | 2020-11-23 | 2020-12-09 | High-pressure constant-power cleaning machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022924051.7U Active CN216988809U (en) | 2020-11-23 | 2020-12-09 | High-pressure constant-power cleaning machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741334A (en) * | 2015-04-10 | 2015-07-01 | 江苏苏美达五金工具有限公司 | High-pressure cleaner with multiple working modes |
| CN107051939A (en) * | 2016-11-22 | 2017-08-18 | 常州格力博有限公司 | Saturation type cleaning machine and its control mode |
| CN207446828U (en) * | 2017-10-17 | 2018-06-05 | 南通雾境高压泵有限公司 | A kind of multiple gun constant pressure cleaning machine |
| CN109952162A (en) * | 2016-09-07 | 2019-06-28 | 东升全球贸易公司 | Pressure washer and its operating method with electron pressure/flow control and display |
| CN111842276A (en) * | 2019-04-30 | 2020-10-30 | 艾纶锐祈清洁设备（上海）有限公司 | High-pressure cleaning machine with working mode switching function |
-
2020
- 2020-12-09 CN CN202022924051.7U patent/CN216988809U/en active Active
- 2020-12-09 CN CN202011425026.2A patent/CN112495909A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741334A (en) * | 2015-04-10 | 2015-07-01 | 江苏苏美达五金工具有限公司 | High-pressure cleaner with multiple working modes |
| CN109952162A (en) * | 2016-09-07 | 2019-06-28 | 东升全球贸易公司 | Pressure washer and its operating method with electron pressure/flow control and display |
| CN107051939A (en) * | 2016-11-22 | 2017-08-18 | 常州格力博有限公司 | Saturation type cleaning machine and its control mode |
| CN207446828U (en) * | 2017-10-17 | 2018-06-05 | 南通雾境高压泵有限公司 | A kind of multiple gun constant pressure cleaning machine |
| CN111842276A (en) * | 2019-04-30 | 2020-10-30 | 艾纶锐祈清洁设备（上海）有限公司 | High-pressure cleaning machine with working mode switching function |
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| Publication number | Publication date |
|---|---|
| CN216988809U (en) | 2022-07-19 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 214000 No.10 Keji Avenue, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Applicant after: Jiangsu xintongheng Tools Co.,Ltd. Address before: 214200 No.10 Keji Avenue, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Applicant before: YIXING XINTONGHENG ELECTRIC TOOL Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210316 |