KR101689689B1

KR101689689B1 - Foam jet and wax injection apparatus for the self car wash

Info

Publication number: KR101689689B1
Application number: KR1020150130722A
Authority: KR
Inventors: 김성택
Original assignee: 주식회사 세진디테일링
Priority date: 2015-09-16
Filing date: 2015-09-16
Publication date: 2016-12-27

Abstract

In the present invention, first to sixth feeding pumps for pumping a predetermined amount of washing detergent, car wash water and wax to minimize unnecessary waste such as washing detergent, car wash water and wax; An air compressor for generating compressed air; A foam generator for generating foam by mixing car wash water, car wash detergent and air; First to sixth valves for controlling discharge of wash detergent, wash water, and wax; A nozzle gun for spraying bubbles generated in the foam generator according to opening and closing operations; A nozzle pipe for spraying wash water according to the operation of the sixth feed pump and the opening and closing operations of the sixth valve; A seventh valve for controlling the air discharge of the air compressor; A controller for controlling the operation times of the first to fifth supply pumps and the air compressor and the opening and closing times of the first to fifth valves while subtracting the usage time from the predetermined usage fee according to the user's selection menu; A first operation unit for sending to the control unit a signal selected from operation menus corresponding to the first and fourth supply pumps from the user; And a second operation unit for sending a signal selected from the operation menus corresponding to the second and third supply pumps and the fifth supply pump to the control unit, from the user, to the self-car wash detergent foaming and wax injection apparatus.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-cleaning detergent foaming and wax injection apparatus,

The present invention relates to a self-cleaning detergent foaming and wax spraying apparatus, and more particularly, to a self-washing detergent foaming and wax spraying apparatus for spraying a wax for foaming and glossing a washing detergent required for car washing, .

Generally, among the facilities for car washing, an automatic car washer carries out an automatic car wash in a short time. However, due to its mechanical and structural characteristics, it is difficult to wash the details of the car so that the owner A so-called self-washing car that can make efficient and intensive hand washing is emerging as a promising business.

1 schematically shows an example of such a self-washing area, in which a booth structure in which walls 120 and 130 are erected on both right and left sides of pillars 110 erected at predetermined intervals, and a horizontal beam 140 A pair of left and right rotary booms 210 and 220 installed in the rotary boom 220 and a branch event 241 for spraying the washing water through a washing water supply pipe 240 connected freely rotatably to one rotary boom 220, A foam brush 231 for supplying cleaning foam through a foam supply pipe 230 freely rotatably connected to the boom 210 and a coin dispenser 231 for controlling the use of the dispenser 241 and the foam brush 231 380).

That is, in the conventional self-washer, when a coin corresponding to the usage fee is inserted into the coin dispenser 380 provided in the front pillar 110 and a select button provided thereon is pressed, the predetermined time period event 241 or the foam sole 231, The wastewater generated in this process is transferred to a separate wastewater treatment device through the drainage line installed at the bottom.

Herein, the minute event 241 is supplied with the washing water through the washing water supply pipe 240 connected to the separate washing water supplying device, and is sprayed at a high pressure so as to wash away dust and dirt adhering to the vehicle, and the foam sole 231 The detergent may be supplied through the foam supply pipe 230 connected to a separate foam supply device and sprayed in the form of foam to wipe the vehicle.

However, in the conventional self-cleaning car structure, when the user carries out washing using the foam solenoid 231 or the dust case 241, the user takes the foam solenoid 231 or the dust case 241 with both hands and rotates around the vehicle At this time, the foam solenoid 231 or the minute dust case 241 is continuously operated by the amount of money put into the coin injector 380, so that the detergent and the washing water There is a problem in that unnecessary waste is caused and the water pollutant is discharged more than necessary according to the waste.

On the other hand, Korean Patent Registration No. 10-1521237 discloses a method of differentiating and treating time consuming time for self-washing, such as nose loading with a function selecting key such as preliminary washing, foam brush, high pressure rinsing, wax, When the amount or settlement of the amount set in the machine is paid or paid, the control is performed such that the available time depends on the function selected by the user and the price of the product.

However, this is inconsistent with the self-cleaning method of paying the usage fee in proportion to the time of using various washing utensils, detergents and waxes, and it is inevitable to wash the wastes while paying unreasonable usage fees in view of the user. That is, once the function is selected and paid, the user can continue to operate and count for a certain period of time as much as the applicable charge, so that the time available for the user can be reduced even if the user does not use or stop using the car for a while. As a result, .

KR 200437131 Y1 (2007.11.05.) KR 200382715 Y1 (April 22, 2005) KR 100577351 B1 (2006.05.10.) KR 101319568 B1 (October 31, 2013) KR 101521237 B1 (2015.05.12) KR 101528842 B1 (2015.06.09)

Accordingly, the present inventors have focused on solving limitations and problems of conventional self-washing car washes considering the above-mentioned matters in a comprehensive manner, thereby enhancing comfort and diversity according to car wash, and making unnecessary use of washing water, washing detergent, wax, In order to minimize the waste, and to develop a self-cleaning detergent foaming and wax injection system with a new structure that can be used to actually wash as much as the available time corresponding to the usage fee paid by the user, As a result, the present invention has been invented.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a self-cleaning detergent foaming and wax injection device capable of enhancing convenience and diversity of car wash.

It is another object of the present invention to provide a self-cleaning detergent foaming and wax dispenser that can be used for as long as available time corresponding to a usage fee paid by a user.

It is another object of the present invention to provide a self-cleaning detergent foaming and wax injection device that can operate efficiently without unnecessary waste such as washing detergent, car wash water, and wax.

Herein, the technical object and object to be solved by the present invention are not limited to the above-mentioned technical object and purpose, but another technical object and purpose not mentioned can be understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a method of cleaning a washing detergent, comprising the steps of: 3 Feed pump; Fourth and sixth supply pumps for pumping a predetermined amount of wash water in a water tank for storing wash water; An air compressor for generating compressed air; A foam generator for generating foam by mixing the car wash water supplied by the first to fourth supply pumps and the air compressor with a detergent and air; First to fourth valves connected to the passages between the first to fourth supply pumps and the foam generator to control discharge of washing detergent or wash water; A nozzle gun for spraying bubbles generated in the foam generator according to opening and closing operations; A fifth supply pump for pumping a predetermined amount of wax from the wax tank storing the wax and feeding the wax to the nozzle gun; A fifth valve connected to the passage between the fifth supply pump and the nozzle gun to control the discharge of the wax; A sixth valve connected to the sixth supply pump for controlling discharge of wash water; A nozzle pipe for spraying wash water according to the operation of the sixth feed pump and the opening and closing operations of the sixth valve; A seventh valve connected to the passage between the air compressor and the foam generator for controlling discharge of air; A controller for controlling an operation time of the first to fifth supply pumps and the air compressor and an opening and closing time of the first to fifth valves while subtracting a usage time from a predetermined usage fee according to a user's selection menu; A first operation unit for sending to the control unit a signal selected from operation menus corresponding to the first and fourth supply pumps from the user; And a second operating unit for sending a signal selected from the operation menus corresponding to the second and third supply pumps and the fifth supply pump to the control unit by the user, and a wax spraying apparatus for self- do.

As a result, it is possible to improve convenience and diversity according to the car wash, and unnecessary waste such as washing water, washing detergent and wax can be minimized.

In a preferred embodiment of the present invention, a first pressure sensor is provided in a passage between the foam generator and the nozzle gun for detecting the conveying pressure of the washing water and the washing detergent, and a second pressure sensor installed in the passage between the fifth valve and the nozzle gun Further comprising a second pressure sensor installed to detect a transfer pressure of the wax, wherein the control unit further includes an operation unit for comparing the pressure detected by the first and second pressure sensors with a preset reference pressure, To 5 < th > supply pump and the 5 < nd > supply pump, the use time difference and the operation of the first to fifth supply pumps and the air compressor are suspended And controls the first to fifth valves to be temporarily closed so that they can be used to actually wash up the available time corresponding to the usage fee paid by the user have.

In a preferred embodiment of the present invention, the temperature sensor senses the temperature of the washing detergent in the first to third detergent tanks, the wash water in the water tank and the wax in the wax tank, When the temperature of the first to third detergent tanks, the water tank, and the wax tank is equal to or less than a preset reference value, the detergent in the first to third detergent tanks, the water for washing water in the water tank, And a circulation pump connected to each of the first to third detergent tanks, the water tank, and the wax tanks to circulate the detergent, the car wash water, and the wax therein, When the temperatures of the first to third detergent tanks, the washing water and the washing detergent in the wax tank, and the wax temperature fall below a predetermined standard value, the heater automatically heats the wax, It is possible not only to prevent the water and the car wash water from washing in the cold season such as winter, but also to prevent the tanks and pipes supplying wax and water from being frozen and frozen, and also to prevent the melting or activity of car wash water and washing detergent It is possible to enhance the cleaning efficiency even more efficiently.

The embodiment of the present invention having the means and configuration for achieving the solution and the object of the technical object as described above can increase the profitability of the employer because it can be set by differentiating the usage fee according to various functions selected by the user and the price of the car care article When the user stops using the car for a while or does not use the car for a while, the user temporarily stops the use of the car and stops the operation. By doing so, the user can actually use various car wash, washing detergent and wax So that unnecessary waste such as washing water, washing detergent and wax can be minimized, and the efficiency of use can be increased and environmental pollution can be reduced.

Here, the effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

Fig. 1 is a schematic view showing an example of a self-washing area according to a conventional technique.
FIG. 2 is a schematic block diagram of a self-cleaning washer foaming and wax injection apparatus according to an embodiment of the present invention.
FIG. 3 is a flowchart illustrating a control process of the self-cleaning detergent foaming and wax injection apparatus according to the embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described more specifically with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions of the present invention, and they are to be construed to mean concepts that are consistent with the technical idea of the present invention and interpretations that are commonly or commonly understood in the technical field of the present invention.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

Hereinafter, the attached drawings are exaggerated or simplified in order to facilitate understanding and clarification of the structure and operation of the technology, and it is to be understood that each component does not exactly coincide with the actual size.

In addition, when a part includes an element, it does not exclude other elements unless specifically stated otherwise, but may include other elements.

2, the self-washing detergent foaming and wax spraying apparatus according to the embodiment of the present invention mainly includes first to fifth supply pumps 11, 12, 13, 14, 15, The first to seventh valves 31, 32, 33, 34, 35, 36 and 37, the nozzle gun 40, the nozzle pipe 41, And includes a control unit 50, first and second operating units 51 and 52, and first and second pressure sensors 61 and 62.

The first, second, and third supply pumps 11, 12, and 13 pump the detergent into the first, second, and third detergent tanks 1, 2, and 3, respectively, And sent to the gun 40.

That is, the first to third supply pumps 11, 12, and 13 are connected to the first to third detergent tanks 1, 2, and 3 by a fluid passage such as a pipe or a hose, And is actuated by a control signal of the control unit 50 to selectively pump the washing detergent of a certain amount and flow rate by the action of the pressure to supply it to the nozzle gun 40.

The detergent stored in the first, second, third, and fourth detergent tanks 1, 2, 3 includes different types of detergent for foam, detergent for high-quality cleansing foam, detergent for the highest quality special cleansing foam, It is discharged according to the selection of the kind.

The first to third supply pumps 11, 12 and 13 are driven by a driving force of a power source such as a driving motor or the like, and the power source may be provided to be able to start and stop by remote control.

For example, the driving motor, which is the power source of the first to third supply pumps 11, 12 and 13, is connected to the first and second operating portions 51 and 52 for inputting a control command to the control portion 50, Operation and operation can be stopped by pressing the or button to select a menu.

Here, the first to third supply pumps 11, 12, and 13 employ a high-pressure pump or a gear pump that feeds two fluids by the engagement of the two rotors so as to smoothly supply a homogeneous liquid having a high viscosity, can do.

The fourth supply pump 14 pumps the wash water by a predetermined amount in the water tank 4 for storing a predetermined amount of the wash water, and pressurizes the water by the nozzle gun 40.

That is, the fourth supply pump 14 is connected to the water tank 4 by a fluid passage such as a pipe or a hose in a pipe joint manner, and is operated by a control signal of the control unit 50, And the flow rate of the detergent is selectively pumped to the nozzle gun 40.

The fourth supply pump 14 is operated by a drive force of a power source such as a drive motor or the like as in the first to third supply pumps 11, 12 and 13, and the power source thereof can be started and stopped by remote control .

For example, the drive motor, which is the power source of the fourth supply pump 14, is operated and operated by touching or pressing a button of the first operation unit 51 that inputs a control command to the control unit 50, Can be stopped.

The fifth supply pump 15 pumping the wax by a predetermined amount in the wax tank 5 for storing a predetermined amount of the liquid wax (water repellent coating agent) and sending the wax to the nozzle gun 40.

That is, the fifth supply pump 15 is connected to the wax tank 5 by a fluid passage such as a pipe or a hose in a tube joint manner, and is operated by a control signal of the controller 50, And a wax at a flow rate to the nozzle gun 40.

The fifth supply pump 15 is operated by the drive force of a power source such as a drive motor or the like as in the first to fourth supply pumps 11, 12, 13 and 14, So that it can be stopped.

For example, the drive motor, which is the power source of the fifth supply pump 15, can be operated and operated by the operation of selecting a menu by touching a button or a button of the second operation unit 52 for inputting a control command to the control unit 50 It can be stopped.

Here, the first to third detergent tanks 1, 2, 3, the water tank 4, and the wax tank 5 are transparent so that the stored water level of the washing detergent, Or a water level window (not shown) may be formed in a part thereof.

Between the first to third cleaning tanks 1, 2, 3 and the first to third supply pumps 11, 12, 13, the water tank 4 and the fourth supply pump 14, (Not shown) for controlling the amount of washing detergent, wash water, and wax can be separately provided between the wax tank 5 and the fifth supply pump 15, respectively.

On the other hand, the circulation pump 72 for smooth circulation of the washing detergent, the washing water and the wax stored in the first to third detergent tanks 1, 2, 3, the water tank 4 and the wax tank 5 (1), (2), and (3), which are detected by the temperature sensor 70, a water tank 4, a wax When the temperature of the washing detergent, the wash water, and the wax in the tank 5 is equal to or less than a preset reference value, the heater 71 may be further provided for heating the water to a predetermined temperature.

That is, the temperature sensor 70 detects the temperature change of the washing detergent, the wash water, and the wax stored in the first to third detergent tanks 1, 2, 3, 4, The control unit 50 transmits a control signal to the control unit 50. The control unit 50 is heated to a predetermined temperature in response to the operation of the heater 71. The temperature difference between the upper and lower temperatures The convection phenomenon is actively caused and circulates more smoothly.

When the operation signal is received from the temperature sensor 70, the heater 71 is automatically operated to start the first to third detergent tanks 1 (2) and 3, the water tank 4, and the wax tank 5 Heat the stored washing detergent, wash water, and wax to maintain a constant temperature range.

That is, when the temperature sensor 70 detects a temperature lower than the reference value, the heater 71 operates in accordance with the control signal of the controller 50 to heat the wash water, the washing detergent, and the wax so as to maintain a constant temperature , And the temperature sensor 70 detects a temperature equal to or higher than the reference value, for example, when the temperature is equal to or higher than 30 DEG C, the operation is stopped.

Here, the heater 71 winds the magnetic force line coil in the form of wrapping the outer bottom, inside or the whole of the first to third detergent tanks 1, 2, 3, the water tank 4 and the wax tank 5 And an electromagnetic induction heating system for heating the solution in the tank through the tank.

It is preferable that the heater 71 is operated only when the ambient temperature is low as in winter, and is switchable by a separate switch so as not to operate when the temperature is high as in the summer.

Therefore, it is possible to prevent each tank or pipe which supplies the wash water and the washing detergent from freezing or clogging in a season or a cold when the temperature is low, such as in winter.

The air compressor 20 generates compressed air in accordance with a control signal from the controller 50 and supplies the compressed air to the foam generator 30.

That is, the mixed liquid of the wash water and the washing detergent, which is fed by the first to fourth supply pumps 11, 12, 13 and 14, is swirled in the foam generator 30 by the compressed air of the air compressor 20 So that it is sprayed through the nozzle gun 40. [0050]

Here, as the air compressor 20, an ordinary air compressor that compresses air and sends out the compressed air at a higher pressure and speed can be employed.

In addition, the air compressor 20 can be applied to a structure in which compressed air is supplied at a constant pressure through a separate regulator for a static pressure action so that the size of the foam is kept constant.

The foam generator 30 mixes the wash water, the washing detergent, and the air supplied by the first to fourth supply pumps 11, 12, 13, and 14 and the air compressor 20, At the same time, bubbles are generated.

That is, the foam generator 30 is disposed between the first to fourth supply pumps 11, 12, 13, 14 and the first to fourth valves 31, 32, 33, The washing water and the washing detergent are mixed and supplied according to the control signal of the control unit 50 while the air compressor 20 and the seventh valve 37 are interposed between the seventh valve 37 The compressed air having a certain pressure is introduced into the mixed liquid of the washing water and the washing detergent to expand the mixed liquid of the washing water and the washing detergent through the nozzle gun 40. At this time, do.

Here, in the foam generator 30, a perforated plate (not shown) may be provided to form a mixture of the washing water and the washing detergent more smoothly.

The first to fourth valves 31, 32, 33 and 34 are provided on the path between the first to fourth supply pumps 11, 12, 13 and 14 and the foam generator 30, And the washing water supplied from the first to third detergent tanks 1, 2, 3 and the water tank 4 to the foam generator 30 while being connected and closed in accordance with the control signal of the controller 50, As shown in FIG.

That is, the first to fourth valves 31, 32, 33 and 34 and the seventh valve 37 are electrically connected to the control unit 50, The pumping operation of the first to fourth supply pumps 11, 12, 13, and 14 and the compressed air discharge operation of the air compressor 20 and the opening and closing operation by the interlocking control are performed to open and close the piping .

Here, the first to fourth valves 31, 32, 33, 34, and the seventh valve 37 are opened and closed by an electromagnetic force that converts electric energy into magnetic energy in accordance with the control signal of the controller 50 A solenoid valve for switching can be employed.

The fifth valve 35 is connected to the passage between the fifth supply pump 15 and the nozzle gun 40 and is opened and closed in accordance with the control signal of the control unit 50 to be supplied from the fifth supply pump 15 to the nozzle gun 40 ) Of the wax.

That is, the fifth valve 35 is electrically connected to the control unit 50, and the pumping operation of the fifth supply pump 15 is controlled by the electric signal of the control unit 50, To open and close the piping which is the passage.

Here, the fifth valve 35 is opened and closed by an electromagnetic force that converts electric energy into magnetic energy in accordance with the control signal of the controller 50, like the first to fourth valves 31, 32, 33, A solenoid valve can be employed.

The sixth valve 36 is connected to the passage between the sixth supply pump 16 and the nozzle pipe 41 and is opened and closed in accordance with the control signal of the control unit 50 so as to be supplied from the sixth supply pump 16 to the nozzle pipe 41 ) Of the wash water.

That is, the sixth valve 36 is electrically connected to the control unit 50, and the pumping operation of the sixth feed pump 16 is controlled by the electric signal of the control unit 50, To open and close the piping which is the passage.

Here, the sixth valve 36 is opened and closed by an electromagnetic force that converts electric energy into magnetic energy in accordance with the control signal of the controller 50, like the first to fourth valves 31, 32, 33, A solenoid valve can be employed.

The nozzle gun 40 blows and sprays the wash water in the form of bubbles generated in the foam generator 30 and the wash detergent and the wax which is pressure fed through the fifth feed pump 15 and the fifth valve 35 at a constant pressure .

By spraying the foam detergent or wax discharged at a high pressure through the nozzle gun 40 directly to the outside of the vehicle and rubbing it with a sponge or a towel, it is possible to wash and clean more easily and cleanly.

Here, the nozzle gun 40 may be any one of a spray nozzle, a flat spray nozzle, and a rotary nozzle. The nozzle gun 40 may be freely adjustable in accordance with the type and structure of the vehicle, .

The nozzle pipe 41 ejects and sprays the wastewater water fed through the sixth feed pump 16 in a wide area in accordance with the opening and closing operation of the sixth valve 36.

Here, the nozzle pipe 41 may have a structure in which the nozzle head is mounted at regular intervals along the longitudinal direction of the pipe installed on the wall or floor of the booth type structure.

The controller 50 controls the first to sixth supply pumps 11 and 12 while subtracting the usage time from the usage fee of the corresponding selection menu set according to the user's car wash selection menu through the first and second operating portions 51 and 52, The operation times of the first to sixth valves 31, 32, 33, 34, 35, and 36, and the operation times of the first to sixth valves 12, 13, 14, 15, 16 and the air compressor 20, Such as the opening and closing time of the door.

That is, the control unit 50 recognizes and compares the electronic money card or the coin input of the user with a payment system using the electronic money card or a nuisance built in and a user-selected menu, (14), (15), (16) and the air compressor (20) by the time corresponding to the payment amount, and the operation time of the air compressor The opening and closing operations of the first to sixth valves 31, 32, 33, 34, 35, and 36 are interlocked and controlled.

The control unit 50 includes an operation unit 53 that compares the pressure detected by the first and second pressure sensors 61 and 62 with a predetermined reference pressure.

That is, the control unit 50 controls the operation of the first or second pressure sensor 61 or 62 in any one of the first to fifth supply pumps 11, 12, 13, 14, (13), (14), (15), (15), (15), and (15) ) And the operation of the air compressor 20 are temporarily stopped while simultaneously controlling the first to fifth valves 31, 32, 33, 34, and 35 temporarily.

Here, the control unit 50 may set the usage fee differentiated according to the usage menu selected by the user, that is, the quality and the price of the washing detergent and the wax.

Referring to FIG. 3, the control unit 50 determines whether payment of the usage fee is made through the payment system using the electronic money card or the popularity of the electronic money card (S101). If the usage fee is paid, Time is provided and displayed (S103). For example, when a user pays a thousand won for a usage fee, the user can provide and display a usage time of 60 seconds.

Then, it is determined whether the user has input a desired car wash selection menu (S105). If the selection menu is inputted, the use time corresponding to the selection menu is decreased by 1 second and the corresponding selection menu is operated (S107).

In this state, it is determined whether the detected pressure transmitted in real time from the first or second pressure sensor 61 (62) is equal to or less than a predetermined reference pressure (S109). If the reference pressure is below the reference pressure, The first to fifth valves 31, 32, 33, and 34 are controlled to pause the operations of the supply pumps 11, 12, 13, 14, 15 and the air compressor 20, ) 35 is temporarily closed (S111). At this time, if the pressure is equal to or higher than the reference pressure, the flow returns to step S105.

Subsequently, it is determined whether the detected pressure transmitted in real time from the first or second pressure sensor 61 (62) is equal to or less than a preset reference pressure (S113). If the detected pressure is equal to or lower than the reference pressure, the process returns to step S111, 1 to the fifth feed pump 11, 12, 13, 14, 15 and the air compressor 20 while stopping the operation of the first to fifth valves 31, 32 33) 34 (35) is temporarily closed. At this time, it is judged whether or not the utilization time is ended if the reference pressure is equal to or higher than the reference pressure (S115). When the utilization time is ended, the operation and control are ended.

The first operation unit 51 sends the selected signal among the operation menus corresponding to the first and fourth supply pumps 11 and 14 to the control unit 50 so that the operation of the corresponding menu is performed.

The first operation unit 51 receives the operation menu of any one of the first, fourth, and sixth feed pumps 11, 14, and 16 from the user and, after sending the signal to the control unit 50, When another operation menu is selected by the user in a state where the usage time corresponding to the amount of money remains, the signal is sent back to the control unit 50 to switch the operation to the operation menu.

For example, the first operating portion 51 is provided with a 'shower wash button' which is supplied with wash water through the nozzle pipe 41 and is sprayed with wash water as if showered from the upper side of the vehicle, A 'high pressure rinse button' in which compressed water is supplied to the wash water and the air compressor 20 at the same time by the nozzle gun 40 and the nozzle gun 40, the wash water and the washing detergent A 'foam sole button' supplied at the same time, and a 'stop button' for stopping the operation in progress.

Here, the first operating unit 51 is configured as an operation panel in which a specific command can be selected and input so that the user can directly select a wash menu. Thus, the structure of the self-washing washer and wax injecting apparatus according to the embodiment of the present invention is configured It may be installed on the front surface or the side surface of the column.

The second operation unit 52 sends a signal selected from the operation menus corresponding to the second and third supply pumps 12 and 13 and the fifth supply pump 15 to the control unit 50 from the user, .

For example, the second operating portion 52 is provided with an "active foam" to which a detergent for the second detergent tank 2 is supplied by the nozzle gun 40, a "detergent" for cleaning the third detergent tank 3 by the nozzle gun 40 A 'special foam' to which the detergent is supplied, a 'wax' to which the wax of the wax tank 5 is supplied by the nozzle gun 40, and a 'stop button' to stop the operation in progress.

Here, the second operating portion 52 is formed in the form of an operation panel capable of selecting and inputting a specific command so that the user can directly select a wash menu. Thus, the second operating portion 52 constitutes a self-cleaning washer foaming and wax injecting structure according to an embodiment of the present invention And may be provided on the front surface or the side surface of another column of the column from the first operating portion 51. [

On the other hand, the first and second operating portions 51 and 52 display a use time for washing according to the payment of the usage fee of the user, and a display portion (Not shown).

The first and second operating portions 51 and 52 are provided with a function of counting the time from the time when bubbles or waxes start to be sprayed and sprayed, and to sound a warning sound or light a warning lamp when a predetermined time passes Of course.

The first pressure sensor 61 is installed in a path between the foam generator 30 and the nozzle gun 40 to detect the conveying pressure of the washing water and the washing detergent in real time and converts it into an electric signal to be transmitted to the controller 50 do.

The second pressure sensor 62 is installed in a passage between the third valve 33 and the nozzle gun 40 to detect the transfer pressure of the wax in real time and convert the electric signal into an electric signal to be transmitted to the controller 50.

The control unit 50 further includes an operation unit 55 that compares the pressure detected by the first and second pressure sensors 61 and 62 with a preset reference pressure, When the detected pressure of the first or second pressure sensor 61 or 62 is equal to or lower than the reference pressure in any one of the operating states 11, 12, 13, 14 and 15, The first to fifth valves 31, 32, and 33 (the first to fifth valves 31, 32, and 33) are paused while the operations of the first to fifth supply pumps 11, 12, 13, 14, 34) 35 is temporarily closed.

That is, since the pressure detected by the first or second pressure sensor 61 (62) is lower than the preset reference pressure when the user pays and pays the service charge or stops the car wash temporarily, the control unit 50 The operation of the first to fifth supply pumps 11, 12, 13, 14, 15 and the air compressor 20 is temporarily stopped, and the first to fifth The valves 31, 32, 33, 34 and 35 are temporarily closed and the pressure detected by the first or second pressure sensor 61 The first to fifth supply pumps 11, 12, 13, 14 and 15 and the air compressor 20 are stopped temporarily and the first to fifth valves 31, (33), (34), and (35), by closing the corresponding valve closed state, it is possible to actually use various washing utensils and detergents And wax may be used.

Therefore, when the user pays and pays the usage fee and stops the car washing after the car is stopped temporarily, the operation is stopped to minimize the unnecessary waste of the car wash water, the car wash detergent and the wax, and also the time suitable for the usage fee paid by the user It is possible to efficiently use car wash water, washing detergent, and wax as much as possible.

The first and second pressure sensors 61 and 62 include optical fiber sensors for measuring the flow rate and flow rate of the liquid to be measured by using the optical fiber as a probe and using the Doppler effect and interference by irradiating the laser light to the measurement target Can be adopted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments or constructions. Various changes and substitutions may be made without departing from the spirit and scope of the invention. It will be obvious to those skilled in the art that the present invention can be widely applied to other embodiments.

Therefore, it is to be understood that modifications and variations of the features of the present invention are intended to be included within the spirit and scope of the present invention.

1: First detergent tank 2: Second detergent tank
3: Third detergent tank 4: Water tank
5: wax tank 11: first supply pump
12: second supply pump 13: third supply pump
14: fourth supply pump 15: fifth supply pump
20: air compressor 30: foam generator
31: first valve 32: second valve
33: third valve 34: fourth valve
40: nozzle gun 41: nozzle pipe
50: control unit 51: first control unit
52: second operating portion 61: first pressure sensor
62: second pressure sensor 70: temperature sensor
71: heater 72: circulation pump

Claims

First to third supply pumps 11, 12, 13 for pumping a predetermined amount of wash detergent in first to third detergent tanks 1, 2, 3 storing the detergent detergent;
Fourth and sixth feed pumps (14) and (16) for pumping a predetermined amount of wash water in the water tank (4) storing the wash water;
An air compressor (20) for generating compressed air;
A foam generator 30 for generating bubbles by mixing the wash water supplied from the first to fourth supply pumps 11, 12, 13 and 14 and the air compressor 20 with the washing detergent and air, ;
The first to fourth feed pumps 11, 12, 13 and 14 and the foam generator 30 are connected to each other to control the discharge of washing detergent or wash water. Valves 31, 32, 33, 34;
A nozzle gun 40 for spraying bubbles generated in the foam generator 30 according to opening and closing operations;
A fifth supply pump 15 for pumping a predetermined amount of wax from the wax tank 5 storing the wax and feeding the wax to the nozzle gun 40;
A fifth valve (35) connected to the passage between the fifth supply pump (15) and the nozzle gun (40) to control the discharge of the wax;
A sixth valve (36) connected to the sixth feed pump (16) and controlling the discharge of the wash water;
A nozzle pipe 41 for spraying the wash water according to the operation of the sixth feed pump 16 and the opening and closing of the sixth valve 36;
A seventh valve (37) connected to the passage between the air compressor (20) and the foam generator (30) and controlling the discharge of air;
(13), (14), (15) and the air compressor (20) while subtracting the usage time from the predetermined usage fee according to the user's selection menu A control unit 50 for controlling the opening and closing times of the first to fifth valves 31, 32, 33, 34 and 35;
A first operating unit 51 for transmitting to the control unit 50 a signal selected from operation menus corresponding to the first and fourth supply pumps 11, 12, 13, and 14 from the user;
A second operating unit 52 for sending to the control unit 50 a signal selected from the operation menus corresponding to the second and third supply pumps 12, 13 and the fifth supply pump 15 from the user;
A first pressure sensor (61) installed in a path between the foam generator (30) and the nozzle gun (40) to detect a conveying pressure of wash water and washing detergent;
A second pressure sensor (62) installed in a passage between the fifth valve (35) and the nozzle gun (40) to detect a transfer pressure of the wax;
An operating unit 53 for comparing the pressure detected by the first and second pressure sensors 61 and 62 with a preset reference pressure;
A temperature sensor 70 for sensing the temperature of the washing detergent in the first to third detergent tanks 1, 2 and 3, the washing water in the water tank 4 and the wax in the wax tank 5, ;
When the temperatures of the first to third detergent tanks 1, 2, 3, the water tank 4, and the wax tank 5 sensed by the temperature sensor 70 are equal to or less than predetermined reference values, A heater 71 for heating the washing detergent in the first to third detergent tanks 1, 2, 3, the wash water in the water tank 4, and the wax in the wax tank 5 to a predetermined temperature; And
A circulation pump for circulating a washing detergent, wash water, and wax in the first to third detergent tanks 1, 2, 3, the water tank 4, and the wax tank 5, (72);
/ RTI >
The first pressure sensor 61 or the second pressure sensor 61 may be operated in accordance with the comparison result of the calculation unit 53 in any one of the first to fifth supply pumps 11, 12, 13, 14, When the detected pressure of the second pressure sensor 62 is lower than the reference pressure, the controller 50 controls the first to fifth supply pumps 11, 12, 13, 14, 15 ) And the air compressor (20) are temporarily stopped and the first to fifth valves (31), (32), (33), (34) and (35) Foam and wax injectors.

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