Structure for controlling steam quantity through PWM (Pulse Width Modulation) on steam cleaning machine

Abstract

The utility model provides a structure for controlling steam quantity through PWM (Pulse Width Modulation) applied to a steam cleaning machine, which comprises a shell, a power line is fixedly arranged on one side of the shell, the output end of the power line is electrically connected with a power switch, the output end of the power switch is electrically connected with a control panel, and the control panel is electrically connected with the power switch. The output end of the control panel is electrically connected with a water pump, a steam generator and a display screen. The water tank is fixedly installed at the bottom of the inner side face of the shell. According to the structure applied to the steam cleaning machine and used for controlling the steam amount through PWM, the water tank is installed on the inner side face of the shell, one end of the conveying pipe connected with the input end of the water pump is arranged on the inner side face of the water tank, and therefore the water tank can be used for controlling the steam amount in the subsequent use process. And water stored on the inner side face of the water tank can be pumped out and conveyed into the steam generator to be used.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam cleaning technical field especially relates to a structure of through PWM control steam quantity applied to steam cleaning machine. BACKGROUND

[0002] Steam cleaning machine is a kind of cleaning equipment using the high temperature of saturated steam and additional high pressure, cleaning the oil stain dirt on the surface of parts, and vaporizing and evaporating it, it can also clean any small gap and hole, strip and remove oil stain and residue, to achieve the requirements of high efficiency, water saving, clean, dry and low cost, instead of expensive dry ice cleaning.

[0003] Such as prior art a kind of structure of through PWM control steam quantity applied to steam cleaning machine patent application, its middle fixed installation has operation panel in the inner cavity of box, heater is fixedly installed in the left side of operation panel bottom, there is circuit board in the middle of operation panel, power adapter is fixedly installed in the bottom of circuit board.The utility model is through waterproof design, adopts operation panel downward folding edge design installation, and heater, circuit board, power adapter and water pump are all fixedly installed in the bottom of operation panel, and operation panel is waterproof material, water stain is sprayed on the surface of operation panel, will follow operation panel folding edge downward directly flow into to the inside of box, will not penetrate to the electric appliance fittings in the box, after water flow to the bottom of box, there is drain hole under the bottom of box, to the parts installed under the panel better protection effect is played, it is convenient to maintain replacement again, and save material, simultaneously, the structure of through PWM control steam quantity applied to steam cleaning machine of current existing application does not have the waterproof drawbacks on the machine and the four around.

[0004] However, the structure of through PWM control steam quantity applied to steam cleaning machine needs to be connected with water source all the time in use process, is seriously limited by water source position, reduces practicality.

[0005] Therefore, it is necessary to provide a structure of through PWM control steam quantity applied to steam cleaning machine to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model provides a structure of through PWM control steam quantity applied to steam cleaning machine, solve the problem that need to be connected with water source all the time, be limited by water source position, reduce practicality.

[0007] To solve the above technical problems, the utility model provides a structure of through PWM control steam quantity applied to steam cleaning machine, comprising:

[0008] A shell, one side of the shell is fixedly provided with a power cord, the output end of the power cord is electrically connected with a power switch, the output end of the power switch is electrically connected with a control panel, the output end of the control panel is electrically connected with a water pump, a steam generator and a display screen;

[0009] A water tank is fixedly arranged on the bottom of the inner side of the shell, the bottom of the water tank is provided with a drain cover, the top of the water tank is fixedly provided with a water filling pipe, the top of the water filling pipe extends to the top of the shell, the top of the water filling cover is sleeved with a top cover, the input end of the water pump is fixedly provided with a conveying pipe, one end of the conveying pipe is arranged on the inner side of the water tank, the output end of the water pump is connected with the input end of the steam generator;

[0010] A steam pipe is arranged on the other side of the shell, the output end of the steam pipe is fixedly provided with a steam nozzle.

[0011] Preferably, the outer side of the conveying pipe is sleeved with a bracket, the water pump, the steam generator and the bottom of the bracket are fixedly arranged on the top of the water tank.

[0012] Preferably, the power switch is fixedly arranged on one side of the shell, the control panel is fixedly arranged on the inner side of the shell, and the display screen is fixedly arranged on the front of the shell.

[0013] Preferably, the bottom of the water tank is fixedly provided with a rubber pad around, and the front of the water tank is provided with a scale.

[0014] Preferably, the other side of the shell is fixedly provided with a heat preservation frame, the inner sides of the two ends of the heat preservation frame are rotatably connected with rotating pipes, the outer sides of the rotating pipes are fixedly provided with winding wheels, and the inner sides of the sides of the heat preservation frame are fixedly provided with guide sleeves.

[0015] Preferably, one end of the rotating pipe is fixedly provided with a rotating disc, the inner side of the rotating disc is threadedly connected with a positioning screw, one end of the positioning screw abuts against the end face of the heat preservation frame, and the other end of the rotating pipe is rotatably connected with the outside of the output end of the steam generator.

[0016] Preferably, the other end of the steam pipe is fixedly arranged on the outer side of the winding wheel, the inner side of the rotating pipe and the inner side of the steam pipe are in communication, and the steam pipe is arranged on the inner side of the guide sleeve.

[0017] Compared with the related art, the structure for controlling the steam amount through PWM applied to the steam cleaning machine has the following beneficial effects:

[0018] This invention provides a structure for controlling steam volume using PWM in a steam cleaner. A water tank is installed on the inner side of the outer casing, and one end of the delivery pipe connected to the water pump input is located on the inner side of the water tank. This allows water stored in the inner side of the tank to be extracted and delivered to the steam generator during use. This structure eliminates the need for a constant water supply connection during operation, freeing it from limitations imposed by the water source's location and increasing its practicality. Attached Figure Description

[0019] Figure 1 A schematic diagram of the first embodiment of a structure for controlling the amount of steam via PWM in a steam cleaner provided by this utility model;

[0020] Figure 2 for Figure 1 The diagram shows another view of the outer shell structure;

[0021] Figure 3 for Figure 2 The diagram shows another view of the outer shell structure;

[0022] Figure 4 for Figure 2 The diagram shows the internal structure of the outer shell;

[0023] Figure 5 A schematic diagram of the second embodiment of a structure for controlling the amount of steam via PWM in a steam cleaner provided by this utility model;

[0024] Figure 6 for Figure 5 The diagram shows a cross-sectional view of the top of the insulation frame.

[0025] The following are the components labeled in the diagram: 1. Outer casing; 11. Power cord; 12. Power switch; 13. Control panel; 14. Display screen; 2. Water pump; 21. Steam generator; 22. Steam pipe; 23. Steam nozzle; 24. Delivery pipe; 25. Bracket; 3. Water tank; 31. Scale; 32. Rubber pad; 33. Drain cover; 34. Water inlet pipe; 35. Top cover; 4. Insulation frame; 41. Rotating pipe; 42. Winding reel; 43. Guide sleeve; 44. Rotating disc; 45. Positioning screw. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] First Embodiment

[0028] Please refer to the following: Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 Wherein, Figure 1 It is a structural schematic diagram of a first embodiment of a structure for controlling steam quantity through PWM applied to a steam cleaning machine; Figure 2 It is another perspective structural schematic diagram of the shell shown in Figure 1 ; Figure 3 It is another perspective structural schematic diagram of the shell shown in Figure 2 ; Figure 4 It is an internal structural schematic diagram of the shell shown in Figure 2 ; A structure for controlling steam quantity through PWM applied to a steam cleaning machine, comprising: a shell 1, a power line 11 is fixedly installed on one side of the shell 1, an output end of the power line 11 is electrically connected with a power switch 12, an output end of the power switch 12 is electrically connected with a control panel 13, and an output end of the control panel 13 is electrically connected with a water pump 2, a steam generator 21 and a display screen 14;

[0029] A water tank 3 is fixedly installed on the bottom of the inner side of the shell 1, a drain cover 33 is arranged on the bottom of the water tank 3, a water filling pipe 34 is fixedly installed on the top of the water tank 3, the top of the water filling pipe 34 extends to the top of the shell 1, a top cover 35 is sleeved on the top of the water filling cover 34, an input end of the water pump 2 is fixedly installed with a conveying pipe 24, one end of the conveying pipe 24 is arranged on the inner side of the water tank 3, and the output end of the water pump 2 is connected to the input end of the steam generator 21;

[0030] A steam pipe 22 is arranged on the other side of the shell 1, and an output end of the steam pipe 22 is fixedly installed with a steam nozzle 23.

[0031] The input end of the steam pipe 22 and the output end of the steam generator 21 are connected, so that the steam generated by the steam generator 21 can be sprayed through the steam nozzle 23;

[0032] The water pump 2 judges by detecting the zero line (a square wave form is formed to allow the control to receive), and then outputs a PWM signal from the control panel 13 to control the output power of the light coupling isolation conduction control thyristor, so as to realize the water flow size of the water pump 2, and then realize the size of atomization through the steam generator 21; The PWM signal output by the control panel 13 can control the on-time and frequency of the light coupling, so as to realize the length of the time and frequency of the thyristor;

[0033] A voltage reduction module, a light coupling and a thyristor are arranged on the control panel 13;

[0034] The frequency of PWM refers to the number of times of signal from high level to low level and back to high level per second, and the duty cycle refers to the ratio between the duration of high level and the duration of low level;

[0035] The display screen 14 is used for displaying the working conditions of the steam generator 21 and the water pump 2.

[0036] The outer side of the conveying pipe 24 is sleeved with a bracket 25, and the water pump 2, the steam generator 21 and the bottom of the bracket 25 are fixedly installed on the top of the water tank 3.

[0037] The power switch 12 is fixedly installed on one side of the shell 1, the control panel 13 is fixedly installed on the inner side of the shell 1, and the display screen 14 is fixedly installed on the front of the shell 1.

[0038] The rubber pads 32 are fixedly installed around the bottom of the water tank 3, and the water tank 3 is provided with a scale 31 on the front.

[0039] The water tank 3 is supported by transparent material, and the scale 31 is arranged on the front of the water tank 3, so that the user can observe the water capacity in the water tank 3.

[0040] The working principle of the structure for controlling the steam amount by PWM applied to the steam cleaning machine is as follows:

[0041] When in use, the user opens the top cover 35, pours water for use into the inner side of the water tank 3 through the water filling pipe 34, connects the power cord 11 and the socket in subsequent use, turns on the power switch 12, so that the water pump 2 and the steam generator 21 work, the water pump 2 pumps out the water in the water tank 3 through the conveying pipe 24, and then the water is conveyed into the steam generator 21, the steam generator 21 generates steam which is conveyed into the steam nozzle 23 through the steam pipe 22, and then the steam is sprayed out, and when the use is finished, the user can open the drain cover 33 to drain the water in the water tank 3.

[0042] Compared with the related art, the structure for controlling the steam amount by PWM applied to the steam cleaning machine has the following beneficial effects:

[0043] The water tank 3 is installed on the inner side of the shell 1, and one end of the conveying pipe 24 connected with the input end of the water pump 2 is arranged on the inner side of the water tank 3, so that the water stored in the water tank 3 can be pumped out and used in the steam generator 21 during subsequent use, and the structure for controlling the steam amount by PWM applied to the steam cleaning machine does not need to be connected with the water source all the time during work, is not limited by the position of the water source, and the practicability of the structure for controlling the steam amount by PWM applied to the steam cleaning machine is improved.

[0044] Second embodiment

[0045] Please refer to Figure 5 and Figure 6 Based on the structure for controlling the steam amount by PWM applied to the steam cleaning machine provided in the first embodiment of the application, the second embodiment of the application provides another structure for controlling the steam amount by PWM applied to the steam cleaning machine. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment.

[0046] Specifically, the difference between the structure for controlling the steam amount by PWM applied to the steam cleaning machine provided in the second embodiment of the application is that the structure for controlling the steam amount by PWM applied to the steam cleaning machine, the other side of the shell 1 is fixedly installed with a heat preservation frame 4, the inner sides of the two ends of the heat preservation frame 4 are rotationally connected with rotating pipes 41, the outer sides of the rotating pipes 41 are fixedly installed with winding wheels 42, and the inner sides of the sides of the heat preservation frame 4 are fixedly installed with guide sleeves 43.

[0047] One end of the rotating pipe 41 is fixedly installed with a rotating disc 44, the inner side of the rotating disc 44 is threadedly connected with a positioning screw 45, one end of the positioning screw 45 abuts against the end face of the heat preservation frame 4, and the other end of the rotating pipe 41 is rotationally connected to the outer side of the output end of the steam generator 21.

[0048] The other end of the steam pipe 22 is fixedly installed on the outer side of the winding wheel 42, the inner side of the rotating pipe 41 and the inner side of the steam pipe 22 are in communication, and the steam pipe 22 is arranged on the inner side of the guide sleeve 43.

[0049] During use, the user can take out steam pipes 22 with the same length from the inner side of the heat preservation frame 4 according to the length of the steam pipe 22 needed to be used, so that the excess steam pipes 22 can continue to be wound on the outer side of the winding wheel 42.

[0050] The inside of the heat preservation frame 4 is made of heat preservation cotton, and the outside is a hard plastic shell, so that the steam in the steam pipe 22 can be preserved when not in use.

[0051] The working principle of the structure for controlling steam quantity by PWM applied to a steam cleaning machine is as follows:

[0052] When in use, the steam generated by the steam generator 21 enters the inside of the rotating pipe 41, and then is delivered to the inside of the steam pipe 22 through the rotating pipe 41, and then is sprayed through the steam nozzle 23; after use, the user can rotate the rotating disc 44, so that the rotating disc 44 drives the rotating pipe 41 and the winding wheel 42 to rotate, so that the winding wheel 42 winds the steam pipe 22, thereby storing the steam pipe 22; after winding, the user rotates the positioning screw 45, so that the positioning screw 45 is screw-connected in the inside of the rotating disc 44, so that one end of the positioning screw 45 abuts against the side of the heat preservation frame 4, thereby limiting the rotating pipe 41 and the winding wheel 42.

[0053] Compared with the related art, the structure for controlling steam quantity by PWM applied to a steam cleaning machine has the following beneficial effects:

[0054] Through the cooperation of the heat preservation frame 4, the rotating pipe 41, the winding wheel 42, the rotating disc 44 and the positioning screw 45, the steam pipe 22 after use can be wound on the outside of the winding wheel 42, so that the user can conveniently store the steam pipe 22.

[0055] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A structure for controlling the amount of steam by PWM applied to a steam cleaner, characterized by, Include: The side of the shell is fixedly installed with power cord, the output end of the power cord is electrically connected with power switch, the output end of the power switch is electrically connected with control panel, the output end of the control panel is electrically connected with water pump, steam generator and display screen; Water tank, the bottom of the water tank is fixedly installed on the inner side of the shell, the bottom of the water tank is provided with drain cover, the top of the water tank is fixedly installed with water filling pipe, the top of the water filling pipe extends to the top of the shell, the top of the water filling pipe is sleeved with top cover, the input end of the water pump is fixedly installed with conveying pipe, one end of the conveying pipe is arranged on the inner side of the water tank, the output end of the water pump is connected with the input end of the steam generator; Steam pipe, the steam pipe is arranged on the other side of the shell, the output end of the steam pipe is fixedly installed with steam nozzle.

2. A structure for controlling the amount of steam by PWM applied to a steam cleaner according to claim 1, characterized in that, The outer side of the conveying pipe is sleeved with bracket, the water pump, the steam generator and the bracket are fixedly installed on the top of the water tank.

3. A structure for controlling the amount of steam by PWM applied to a steam cleaner according to claim 1, characterized in that, The power switch is fixedly installed on one side of the shell, the control panel is fixedly installed on the inner side of the shell, and the display screen is fixedly installed on the front of the shell.

4. The structure for controlling the amount of steam by PWM applied to a steam cleaner according to claim 1, wherein The bottom of the water tank is fixedly installed with rubber pad, and the front of the water tank is provided with scale.

5. The structure for controlling the amount of steam by PWM applied to a steam cleaner according to claim 1, wherein The other side of the shell is fixedly installed with heat preservation frame, the inner side of both ends of the heat preservation frame is rotatably connected with rotating pipe, the outer side of the rotating pipe is fixedly installed with winding wheel, the inner side of the side of the heat preservation frame is fixedly installed with guide sleeve.

6. A structure for controlling the amount of steam by PWM applied to a steam cleaner according to claim 5, wherein One end of the rotating pipe is fixedly installed with rotating disc, the inner side of the rotating disc is threadedly connected with positioning screw, one end of the positioning screw abuts against the end face of the heat preservation frame, the other end of the rotating pipe is rotatably connected with the outer side of the output end of the steam generator.

7. A structure for controlling the amount of steam by PWM applied to a steam cleaner according to claim 6, characterized in that, The other end of the steam pipe is fixedly installed on the outer side of the winding wheel, the inner side of the rotating pipe and the inner side of the steam pipe are communicated, and the steam pipe is arranged on the inner side of the guide sleeve.

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