CN104438181B - Water-heater cleaning machine - Google Patents
Water-heater cleaning machine Download PDFInfo
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- CN104438181B CN104438181B CN201410736347.2A CN201410736347A CN104438181B CN 104438181 B CN104438181 B CN 104438181B CN 201410736347 A CN201410736347 A CN 201410736347A CN 104438181 B CN104438181 B CN 104438181B
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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
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- 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
A kind of water-heater cleaning machine, its entirety is box typed structure, the lid being hinged including fuselage and fuselage.In the inner chamber of fuselage, it is provided with dividing plate fuselage inner chamber is divided into two chambeies, left and right, and fixedly mount water pump, transformator and converter at right intracavity.The upper port in the corresponding right chamber of fuselage is provided with cover plate, arranges electric source line interface, circuit board and the guidance panel being connected with described circuit board on described cover plate.The entery and delivery port of described water pump is connected to pass to the left chamber of fuselage on described dividing plate, connects respectively at water inlet pipe, outlet pipe.Water inlet pipe and water outlet pipe can be formed and accommodate by left chamber, thus facilitate this equipment carry use.Containing pulse control module on described circuit board, turn on Guan Bi off and on by controlling electromagnetic impulse valve in pulse control module, form pulsed high-pressure water jet and incrustation scale is carried out impact cleaning, improve cleaning performance, make cleaning thoroughly clean, save the time-consuming of cleaning.
Description
Technical field
The present invention relates to the correlative technology field of cleaning equipment, a kind of be used for cleaning the internal incrustation scale of water heater water-heater cleaning machine.
Background technology
During water heater uses, inwall can generate the incrustation scale that thick layer is thick, need periodically to clear up.Current cleaning operation is first to soak, and then by high-pressure water jet, incrustation scale is formed impact, relies on the continuous action to incrustation scale gap, forms high pressure, and incrustation scale smashes separation, it is achieved clean purpose in making gap.Because the water jet of existing cleaning equipment is constant voltage jet, so relying primarily on enhancing jet pressure to regulate cleaning performance, when i.e. incrustation scale is thicker or is difficult to remove, increase the output pressure of water pump, otherwise when the relatively thin the latter of incrustation scale easily removes, turn the output pressure of water pump accordingly down, but cleaning performance is not the most fine.Particularly when the mutual gap of incrustation scale is less, clean difficulty very greatly, and easy cleaning is not thorough.
Summary of the invention
The invention provides a kind of water-heater cleaning machine, it carries out impact by the pulsed jet of cycle alternation to incrustation scale and cleans, and under the batch (-type) percussion of water jet, makes incrustation scale by the stress effect of alternate, just as incrustation scale is tapped by continuous object, so cleaning performance can be improved.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of water-heater cleaning machine, and its entirety is box typed structure, the lid being hinged including fuselage and fuselage.In the inner chamber of fuselage, it is provided with dividing plate fuselage inner chamber is divided into two chambeies, left and right, and fixedly mount water pump, transformator and converter at right intracavity.The upper port in the corresponding right chamber of fuselage is provided with cover plate, arranges electric source line interface, circuit board and the guidance panel being connected with described circuit board on described cover plate.The entery and delivery port of described water pump is connected to pass to the left chamber of fuselage on described dividing plate, connects respectively at water inlet pipe, outlet pipe.Water inlet pipe and water outlet pipe can be formed and accommodate by left chamber, thus facilitate this equipment carry use.Containing pulse control module on described circuit board, this pulse control module includes:
One on and off switch K, it contains two and synchronizes contact, and connects on the power line；
Two display lamps: be respectively electromotion pilot lamp L1, treat run indicator L2；
Three are triggered switch SB1、SB2And SB3, wherein trigger switch SB1Switch for starting mode of pump, trigger switch SB2For reset switch, trigger switch SB3For pulse control module activate switch；
Four auxiliary reclays, are respectively as follows:
First auxiliary reclay 1ZJ, it contains a normally closed contact switch 1ZJ1；
Second auxiliary reclay 2ZJ, it contains a normal opened contact switch 2ZJ1；
3rd auxiliary reclay 3ZJ, it contains a normally closed contact switch 3ZJ1, a normal opened contact switch 3ZJ2；
4th auxiliary reclay 4ZJ, it contains a normally closed contact switch 4ZJ1；
Two general purpose timers 1DS, 2DS, general purpose timer 1DS includes a normal opened contact switch 1DS1；General purpose timer 2DS includes a normal opened contact switch 2DS1, a normally closed contact switch 2DS2；
One electromagnetic impulse valve MC, described electromagnetic impulse valve MC are connected on outlet pipe；
Described electromotion pilot lamp L1, treat run indicator L2It is parallel between the main circuit of pulse control module；
The two synchronization contacts of described on and off switch K are separately positioned on two main circuits of pulse control module, control described electromotion pilot lamp L1, it is achieved it is connected with power supply.During described on and off switch K Guan Bi, pulse control module accesses power supply, the most described electromotion pilot lamp L1Light；
Described triggering switchs SB3It is arranged on pulse control module one main circuit, described in control, treats run indicator L2, it is achieved pulse control module main circuit is energized；
Described triggering switch SB1, general purpose timer 1DS, the first auxiliary reclay 1ZJ normally closed contact switch 1ZJ1, normally closed contact switch 3ZJ of the 3rd auxiliary reclay 3ZJ1It is connected between pulse control module main circuit after four series connection；
Described triggering switch SB2, the first auxiliary reclay 1ZJ coils connected in series after be connected between pulse control module main circuit；
The described coil of the 4th auxiliary reclay 4ZJ, the normal opened contact of general purpose timer 2DS switch 2DS1It is connected into after series connection between pulse control module main circuit；
The described coil of the second auxiliary reclay 2ZJ, the normal opened contact of general purpose timer 1DS switch 1DS1It is connected into after series connection between pulse control module main circuit；
The normal opened contact switch 3ZJ of the 3rd described auxiliary reclay 3ZJ2, the 3rd auxiliary reclay 3ZJ coil, general purpose timer 2DS, the 4th auxiliary reclay 4ZJ normally closed contact switch 4ZJ1It is connected into after the most in sequential series between pulse control module main circuit；
The normal opened contact switch 2ZJ of the second described auxiliary reclay 2ZJ1, electromagnetic impulse valve MC, general purpose timer 2DS normally closed contact switch 2DS2It is connected into after the most in sequential series between pulse control module main circuit；
Described normal opened contact switch 3ZJ2Rear end and described normal opened contact switch 2ZJ1Rear end be directly connected to.
The work process of described pulse control module is:
Conjunction is closed described on and off switch K and this water-heater cleaning machine is accessed power supply, the most described electromotion pilot lamp L1Light, represent that access power supply is normal.
Press described triggering and switch SB3Rear described pulse control module main circuit energising, described in treat run indicator L2Lighting, expression can carry out pulsed cleaning work.
Press described triggering and switch SB2Rear the first described auxiliary reclay 1ZJ coil electricity, its normally closed contact switch 1ZJ1Disconnecting, the most described general purpose timer 1DS is pressing described triggering switch SB1Shi Buhui is energized timing, and then described general purpose timer 2DS also will not be energized timing, triggers switch SB so described2Series circuit with the first auxiliary reclay 1ZJ coil controls the clearing work of pulse control module.
Described triggering switchs SB1, trigger switch SB2In only press described trigger switch SB1Time, described general purpose timer 1DS must establish beginning timing by cable.
When described general purpose timer 1DS reaches the setting time, the normal opened contact switch 1DS of described general purpose timer 1DS1Guan Bi makes described second auxiliary reclay 2ZJ coil obtain electric.
Second auxiliary reclay 2ZJ coil obtain electric after: the normal opened contact of the second auxiliary reclay 2ZJ switch 2ZJ1Guan Bi, the coil electricity of the 3rd auxiliary reclay 3ZJ and its normal opened contact switch 3ZJ2Guan Bi, described general purpose timer 2DS is able to persistently must establish by cable beginning timing, and electromagnetic impulse valve MC obtains electric Guan Bi simultaneously.Meanwhile, the 3rd auxiliary reclay 3ZJ normally closed contact switch 3ZJ1Disconnect described general purpose timer 1DS power-off back to zero to reset, normal opened contact switch 1DS1Reset, the second auxiliary reclay 2ZJ coil losing electricity, normal opened contact switch 2ZJ1Reset, but because normal opened contact switchs 2ZJ1Normally opened contact switch 3ZJ when Guan Bi moment makes the 3rd auxiliary reclay 3ZJ coil obtain electric2It is closed, it is possible to guarantee that described general purpose timer 2DS and electromagnetic impulse valve MC continues (for the setting duration of general purpose timer 2DS) and obtains electric.
When described general purpose timer 2DS reaches the setting time: the normal opened contact switch 2DS of described general purpose timer 2DS1Guan Bi, normally closed contact switch 2DS2Disconnect, make described 4th auxiliary reclay 4ZJ coil obtain the normally closed contact switch 4ZJ of electric 4th auxiliary reclay 4ZJ respectively1Disconnect, electromagnetic impulse valve MC dead electricity turns on, and sprays high-pressure water jet.
Normally closed contact switch 4ZJ1After disconnection, described general purpose timer 2DS dead electricity back to zero resets, the 3rd auxiliary reclay 3ZJ coil losing electricity normally closed contact switch 3ZJ1Reset, described general purpose timer 1DS again electric timing.So opening and closing of electromagnetic impulse valve MC described in loop control, discontinuous ejection high-pressure water jet.
Regulated the electric current of described water pump by guidance panel through converter, the pump pressure of water pump is carried out step-less adjustment, and then controls the impulsive force intensity of high-pressure water jet.
Further, described water pump is high-pressure plunger pump.High-pressure plunger pump is Ceramics material manufacture, so having extraordinary high-temperature stability, have extraordinary antiwear characteristic, it is to avoid the seepy question caused after water pump abrasion, effectively extends the service life of this equipment.
Further, the free end of described water inlet pipe is stretched out by cooling water inlet and arranges metal tube head at this end, and the free port of described metal tube head is double tube mouth.
Further, the Switch of spray pistol of spray gun is arranged on the handle upper end of spray gun, and described Switch of spray pistol is locking type switch.So-called locking type switch switchs after i.e. pressing can keep connection all the time, only can close when pressing.It is relative to existing Switch of spray pistol form, it can be ensured that use motility.
The invention has the beneficial effects as follows:
It makes electromagnetic impulse valve turn on Guan Bi off and on by pulse control module, correspondingly water pump pumps out High-Pressure Water the most off and on, rely on the pulsed high-pressure water jet formed that incrustation scale carries out impact to clean, under the batch (-type) percussion of high-pressure water jet, make incrustation scale by the stress effect of alternate, improve cleaning performance.Particularly within a bit of time of electromagnetic impulse valve Guan Bi, the intracavity of water pump forms certain building the pressure, and in the moment that electromagnetic impulse valve is opened, impacts with the turbulent jet of high velocity jet and is smashed by incrustation scale on incrustation scale, make cleaning thoroughly clean, save the time-consuming of cleaning.
Free end at water inlet pipe arranges metal tube head, on the one hand the weight of this end can be increased, during preventing from using, this end is skidded off by water tank, affect the enforcement of normal wash work, on the other hand by arranging double tube mouth, not only increase into water cross section, and when needs auxiliary use disinfectant solution etc., one mouth of pipe can be incorporated in disinfectant solution by pipeline, without premix.For controlling the proportioning of disinfectant solution and clear water, between connection pipeline flow control valve to be arranged.
The switch of spray gun is arranged on the inner side of handle and pressing the most always can work at present, after Switch of spray pistol after correction is pressed, it is capable of pistol in narrow space, it is carried out any corner location using, will not be retrained by pistol handle as existing spray gun, make cleaning be limited by spatial environments, facilitate cleaning and use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is fuselage and the structural representation of cover plate in the present invention；
Fig. 3 is the electrical block diagram of pulse control module of the present invention；
In figure: 1 fuselage, 11 water pumps, 12 transformators, 13 converters, 2 lids, 3 cover plates, 31 electric source line interfaces, 32 circuit boards, 4 dividing plates, 5 tube seats.
Detailed description of the invention
For ease of understanding the technology contents of the present invention, below in conjunction with the accompanying drawings it is described further.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, it is also possible to be electrical connection, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
As shown in Figure 1 and Figure 2, a kind of water-heater cleaning machine, its entirety is box typed structure, the lid 2 being hinged including fuselage 1 and fuselage 1.In the inner chamber of fuselage 1, it is provided with dividing plate 4 fuselage 1 inner chamber is divided into two chambeies, left and right, and be connected with water pump 11 respectively at right intracavity fixed installation water pump 11, transformator 12 and converter 13, transformator 12 and converter 13, for known content, repeat no more.The upper port in the corresponding right chamber of fuselage 1 is provided with cover plate 3, arranges electric source line interface 31, circuit board 32 and the guidance panel being connected with described circuit board 32 on described cover plate 3.The entery and delivery port of described water pump 11 is connected to pass to the left chamber of fuselage 1 on described dividing plate 4, is connected with water inlet pipe, outlet pipe respectively.Left chamber constitutes tube seat 5 and can form inlet tube and outlet tube and accommodate, thus facilitate this equipment carry use.Containing pulse control module on described circuit board 32.As it is shown on figure 3, pulse control module includes:
One on and off switch K, it contains two and synchronizes contact, and connects on the power line；
Two display lamps: be respectively electromotion pilot lamp L1, treat run indicator L2；
Three are triggered switch SB1、SB2And SB3, wherein trigger switch SB1Switch for starting mode of pump, trigger switch SB2For reset switch, trigger switch SB3For pulse control module activate switch；
Four auxiliary reclays, are respectively as follows:
First auxiliary reclay 1ZJ, it contains a normally closed contact switch 1ZJ1；
Second auxiliary reclay 2ZJ, it contains a normal opened contact switch 2ZJ1；
3rd auxiliary reclay 3ZJ, it contains a normally closed contact switch 3ZJ1, a normal opened contact switch 3ZJ2；
4th auxiliary reclay 4ZJ, it contains a normally closed contact switch 4ZJ1；
Two general purpose timers 1DS, 2DS, general purpose timer 1DS includes a normal opened contact switch 1DS1；General purpose timer 2DS includes a normal opened contact switch 2DS1, a normally closed contact switch 2DS2；
One electromagnetic impulse valve MC, described electromagnetic impulse valve MC are connected on outlet pipe；
Described electromotion pilot lamp L1, treat run indicator L2It is parallel between the main circuit of pulse control module；
The two synchronization contacts of described on and off switch K are separately positioned on two main circuits of pulse control module, control described electromotion pilot lamp L1, it is achieved it is connected with power supply.During described on and off switch K Guan Bi, pulse control module accesses power supply, the most described electromotion pilot lamp L1Light；
Described triggering switchs SB3It is arranged on pulse control module one main circuit, described in control, treats run indicator L2, it is achieved pulse control module main circuit is energized；
Described triggering switch SB1, general purpose timer 1DS, the first auxiliary reclay 1ZJ normally closed contact switch 1ZJ1, normally closed contact switch 3ZJ of the 3rd auxiliary reclay 3ZJ1It is connected between pulse control module main circuit after four series connection；
Described triggering switch SB2, the first auxiliary reclay 1ZJ coils connected in series after be connected between pulse control module main circuit；
The described coil of the 4th auxiliary reclay 4ZJ, the normal opened contact of general purpose timer 2DS switch 2DS1It is connected into after series connection between pulse control module main circuit；
The described coil of the second auxiliary reclay 2ZJ, the normal opened contact of general purpose timer 1DS switch 1DS1It is connected into after series connection between pulse control module main circuit；
The normal opened contact switch 3ZJ of the 3rd described auxiliary reclay 3ZJ2, the 3rd auxiliary reclay 3ZJ coil, general purpose timer 2DS, the 4th auxiliary reclay 4ZJ normally closed contact switch 4ZJ1It is connected into after the most in sequential series between pulse control module main circuit；
The normal opened contact switch 2ZJ of the second described auxiliary reclay 2ZJ1, electromagnetic impulse valve MC, general purpose timer 2DS normally closed contact switch 2DS2It is connected into after the most in sequential series between pulse control module main circuit；
Described normal opened contact switch 3ZJ2Rear end and described normal opened contact switch 2ZJ1Rear end be directly connected to.
The work process of described pulse control module is:
Conjunction is closed described on and off switch K and this water-heater cleaning machine is accessed power supply, the most described electromotion pilot lamp L1Light, represent that access power supply is normal.
Press described triggering and switch SB3Rear described pulse control module main circuit energising, described in treat run indicator L2Lighting, expression can carry out pulsed cleaning work.
Press described triggering and switch SB2Rear the first described auxiliary reclay 1ZJ coil electricity, its normally closed contact switch 1ZJ1Disconnecting, the most described general purpose timer 1DS is pressing described triggering switch SB1Shi Buhui is energized timing, and then described general purpose timer 2DS also will not be energized timing, triggers switch SB so described2Series circuit with the first auxiliary reclay 1ZJ coil controls the clearing work of pulse control module.
Described triggering switchs SB1, trigger switch SB2In only press described trigger switch SB1Time, described general purpose timer 1DS must establish beginning timing by cable.
When described general purpose timer 1DS reaches the setting time, the normal opened contact switch 1DS of described general purpose timer 1DS1Guan Bi makes described second auxiliary reclay 2ZJ coil obtain electric.
Second auxiliary reclay 2ZJ coil obtain electric after: the normal opened contact of the second auxiliary reclay 2ZJ switch 2ZJ1Guan Bi, the coil electricity of the 3rd auxiliary reclay 3ZJ and its normal opened contact switch 3ZJ2Guan Bi, described general purpose timer 2DS is able to persistently must establish by cable beginning timing, and electromagnetic impulse valve MC obtains electric Guan Bi simultaneously.Meanwhile, the 3rd auxiliary reclay 3ZJ normally closed contact switch 3ZJ1Disconnect described general purpose timer 1DS power-off back to zero to reset, normal opened contact switch 1DS1Reset, the second auxiliary reclay 2ZJ coil losing electricity, normal opened contact switch 2ZJ1Reset, but because normal opened contact switchs 2ZJ1Normally opened contact switch 3ZJ when Guan Bi moment makes the 3rd auxiliary reclay 3ZJ coil obtain electric2It is closed, it is possible to guarantee that described general purpose timer 2DS and electromagnetic impulse valve MC continues (for the setting duration of general purpose timer 2DS) and obtains electric.
When described general purpose timer 2DS reaches the setting time: the normal opened contact switch 2DS of described general purpose timer 2DS1Guan Bi, normally closed contact switch 2DS2Disconnect, make described 4th auxiliary reclay 4ZJ coil obtain the normally closed contact switch 4ZJ of electric 4th auxiliary reclay 4ZJ respectively1Disconnect, electromagnetic impulse valve MC dead electricity turns on, and sprays high-pressure water jet.
Normally closed contact switch 4ZJ1After disconnection, described general purpose timer 2DS dead electricity back to zero resets, the 3rd auxiliary reclay 3ZJ coil losing electricity normally closed contact switch 3ZJ1Reset, described general purpose timer 1DS again electric timing.So opening and closing of electromagnetic impulse valve MC described in loop control, discontinuous ejection high-pressure water jet.
Regulated the electric current of described water pump by guidance panel, the pump pressure of water pump is carried out step-less adjustment, and then controls the impulsive force intensity of high-pressure water jet.
Described water pump is high-pressure plunger pump.High-pressure plunger pump is Ceramics material manufacture, so having extraordinary high-temperature stability, have extraordinary antiwear characteristic, it is to avoid the seepy question caused after water pump abrasion, effectively extends the service life of this equipment.
The free end of described water inlet pipe is stretched out by described cooling water inlet and arranges metal tube head at this end, and the free port of described metal tube head is double tube mouth.
The Switch of spray pistol of described spray gun is arranged on the handle upper end of spray gun, and described Switch of spray pistol is locking type switch.So-called locking type switch switchs after i.e. pressing can keep connection all the time, only can close when pressing.It is relative to existing Switch of spray pistol form, it can be ensured that use motility.
Above, the detailed description of the invention of the present invention is described with reference to the accompanying drawings.But, those of ordinary skill in the art it is understood that and without departing from the design philosophy of the present invention and scope in the case of, it is also possible to the concrete form of the present invention is made various change and replacement.These changes and replacement also should fall in the range of claims of the present invention limits.
In addition to the technical characteristic described in description, it is the known technology of those skilled in the art.
Claims (2)
1. a water-heater cleaning machine, is characterized in that:
Described water-heater cleaning machine is overall in box typed structure, the lid being hinged including fuselage and fuselage；
In the inner chamber of fuselage, it is provided with dividing plate fuselage inner chamber is divided into two chambeies, left and right, and fixedly mount water pump, transformator and converter at right intracavity；
The upper port in the corresponding right chamber of fuselage is provided with cover plate, arranges electric source line interface, circuit board and the guidance panel being connected with described circuit board on described cover plate；
The entery and delivery port of described water pump is connected to pass to the left chamber of fuselage on described dividing plate, is connected with water inlet pipe, outlet pipe respectively；
Containing pulse control module on described circuit board, described pulse control module includes:
One on and off switch K, it contains two and synchronizes contact, and connects on the power line；
Two display lamps: be respectively electromotion pilot lamp L1, treat run indicator L2；
Three are triggered switch SB1、SB2And SB3, wherein trigger switch SB1Switch for starting mode of pump, trigger switch SB2For reset switch, trigger switch SB3For pulse control module activate switch；
Four auxiliary reclays, are respectively as follows:
First auxiliary reclay 1ZJ, it contains a normally closed contact switch 1ZJ1；
Second auxiliary reclay 2ZJ, it contains a normal opened contact switch 2ZJ1；
3rd auxiliary reclay 3ZJ, it contains a normally closed contact switch 3ZJ1, a normal opened contact switch 3ZJ2；
4th auxiliary reclay 4ZJ, it contains a normally closed contact switch 4ZJ1；
Two general purpose timers 1DS, 2DS, general purpose timer 1DS includes a normal opened contact switch 1DS1；General purpose timer 2DS includes a normal opened contact switch 2DS1, a normally closed contact switch 2DS2；
One electromagnetic impulse valve MC, described electromagnetic impulse valve MC are connected on outlet pipe；
Described electromotion pilot lamp L1, treat run indicator L2It is parallel between the main circuit of pulse control module；
The two synchronization contacts of described on and off switch K are separately positioned on two main circuits of pulse control module, control described electromotion pilot lamp L1, it is achieved being connected with power supply, during described on and off switch K Guan Bi, pulse control module accesses power supply, the most described electromotion pilot lamp L1Light；
Described triggering switchs SB3It is arranged on pulse control module one main circuit, described in control, treats run indicator L2, it is achieved pulse control module main circuit is energized；
Described triggering switch SB1, general purpose timer 1DS, the first auxiliary reclay 1ZJ normally closed contact switch 1ZJ1, normally closed contact switch 3ZJ of the 3rd auxiliary reclay 3ZJ1It is connected between pulse control module main circuit after four series connection；
Described triggering switch SB2, the first auxiliary reclay 1ZJ coils connected in series after be connected between pulse control module main circuit；
The described coil of the 4th auxiliary reclay 4ZJ, the normal opened contact of general purpose timer 2DS switch 2DS1It is connected into after series connection between pulse control module main circuit；
The described coil of the second auxiliary reclay 2ZJ, the normal opened contact of general purpose timer 1DS switch 1DS1It is connected into after series connection between pulse control module main circuit；
The normal opened contact switch 3ZJ of the 3rd described auxiliary reclay 3ZJ2, the 3rd auxiliary reclay 3ZJ coil, general purpose timer 2DS, the 4th auxiliary reclay 4ZJ normally closed contact switch 4ZJ1It is connected into after the most in sequential series between pulse control module main circuit；
The normal opened contact switch 2ZJ of the second described auxiliary reclay 2ZJ1, electromagnetic impulse valve MC, general purpose timer 2DS normally closed contact switch 2DS2It is connected into after the most in sequential series between pulse control module main circuit；
Described normal opened contact switch 3ZJ2Rear end and described normal opened contact switch 2ZJ1Rear end be directly connected to.
Water-heater cleaning machine the most according to claim 1, is characterized in that: described water pump is high-pressure plunger pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736347.2A CN104438181B (en) | 2014-12-05 | 2014-12-05 | Water-heater cleaning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736347.2A CN104438181B (en) | 2014-12-05 | 2014-12-05 | Water-heater cleaning machine |
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| CN104438181A CN104438181A (en) | 2015-03-25 |
| CN104438181B true CN104438181B (en) | 2016-08-24 |
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| CN202752282U (en) * | 2012-02-21 | 2013-02-27 | 熊河根 | Household running water pipe cleaning machine |
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