KR102551683B1 - Ventilation system of ambulance - Google Patents

Abstract

The present invention discloses a ventilation system inside a loading box of a vehicle such as a camping car or an ambulance having an interior space provided for rest or treatment. The present invention measures the degree of internal contamination of the interior space of the loading box and manually or automatically controls the ventilation system configured on both side walls and the inside of the ceiling surface of the loading box based on the measured information, thereby resting or receiving treatment. While ventilating or purifying the interior space of the loading box by using outside air, a comfortable indoor environment is provided to users who board the interior space of the loading box.

Description

Vehicle interior ventilation system {Ventilation system of ambulance}

The present invention relates to a vehicle (eg, camper, ambulance) having a loading box (or container), and more particularly, to a ventilation system inside a loading box of a vehicle that can maintain a comfortable air inside the loading box.

In general, a camper or ambulance is equipped with a loading box (or container) that provides an indoor space for rest or treatment so as to be separated by a driver's cab and a bulkhead. Ventilation devices for ventilation can be installed.

However, since the ventilation device of the loading box applied to the conventional vehicle is installed on the outer upper surface of the loading box, ventilation of the interior space of the loading box could not be properly performed.

Meanwhile, an ozone sterilizer for sterilizing an indoor space and purifying polluted air is installed in the loading box applied to a vehicle.

However, the ozone sterilizer installed in the loading box as described above sucks air from the interior space of the loading box through the inlet while installing the ozone sterilizer main body having an inlet and a discharge port on one side wall of the loading box (eg, ambulance), and then sterilizes it. Since it is re-introduced into the interior space of the loading box through the discharge port, it does not have an air circulation structure through the outside air, and therefore, the sterilizing power through the ozone sterilizer is extremely limited and the ventilation performance is also extremely limited.

Registered Utility Model Publication No. 20-0418459 (Announcement Date 2006.06.12.) Registered Patent Publication No. 10-0602727 (published on July 20, 2006) Registered Patent Publication No. 10-1712779 (Announcement Date 2017.03.13.)

The problem to be solved by the present invention is to construct a ventilation system including an air circulation path and a total heat exchanger on both side walls and inside the ceiling surface of the vehicle loading box, thereby efficiently ventilating and purifying the indoor air of the vehicle loading box using outside air. It is intended to provide a ventilation system inside the loading box of a vehicle that allows

A ventilation system inside a vehicle loading box, which is a means for solving the problems of the present invention, includes first and second air circulation passages formed to communicate with each other on both side walls and a ceiling surface of a vehicle loading box having an indoor space; The second air circulation passage formed on the ceiling surface of the vehicle loading box communicates with the indoor space, and at least one or one of them discharges outdoor air taken in through the first and second air circulation passages to the indoor space. More than one discharge port; At least one or more than one is formed on both side wall surfaces of the vehicle loading box, and the polluted indoor air of the indoor space is exhausted to the outside or the outdoor air is sucked in and then discharged to the first air circulation passage in an exhaust mode. an intake/exhaust unit driven in a driving or intake mode; At least one or more pollution measuring sensors formed in the indoor space of the vehicle loading box and measuring the concentration of air pollutants in the indoor space; and a control unit that is formed in the vehicle cab or the indoor space and drives and controls the intake/exhaust unit into an exhaust mode or an intake mode according to a driving selection signal of the manipulation unit or the concentration measurement information of the pollution measuring sensor. is to include

In addition, both sides of the wall surface and the ceiling surface of the vehicle loading box are composed of an inner partition wall and an outer partition wall spaced apart in a double structure, and the first and second air circulation passages are formed between the inner partition wall and the external partition wall.

In addition, the intake and exhaust unit is installed on both side walls of the vehicle loading box, and a pair of first and second ventilation holes are formed in the first intake and exhaust area, and a pair of third and fourth ventilation holes are formed in the second intake and exhaust area. Unit body to be formed; A total heat exchanger that divides the inside of the unit body into the first intake/exhaust area and the second intake/exhaust area and exchanges heat between indoor air intake through the first ventilation hole and outdoor air intake through the third ventilation hole; an exhaust drive fan formed in the first ventilation hole of the unit body and driven on or off according to a control signal of the control unit to exhaust indoor air; and an intake drive fan formed in the third ventilation hole of the unit body and driven on or off according to the control signal of the control unit to intake outdoor air. is to include

In addition, the first ventilation hole formed in the first intake/exhaust area of the unit body communicates with the indoor space through the wall surface of the vehicle loading box, and the second ventilation hole is formed on the wall surface of the vehicle loading box. The third ventilation hole and the fourth ventilation hole communicated with the circulation passage and formed in the second intake/exhaust area of the unit body communicate with the outside through the wall surface of the vehicle loading box.

In addition, an inlet is formed in the first air circulation passage communicating with the second ventilation hole, and the inlet is controlled to be closed by the control unit when the exhaust driving fan is turned on and driven, and the control unit is controlled to be closed when the intake drive fan is turned on and driven. The first shutter module controlled to open by is formed.

In addition, the first shutter module may include a first shutter rotating about an axis to open and close the inlet communicating with the second ventilation hole; and a first driving motor which is controlled by the control unit and rotates the shaft in a forward or reverse direction to open and rotate the first shutter; is to include

In addition, the intake/exhaust units formed on both side wall surfaces of the vehicle loading box are simultaneously driven and controlled in an intake mode or an exhaust mode according to a control program mounted in the control unit.

In addition, the intake/exhaust unit formed on one wall surface of the vehicle loading box is driven and controlled in an intake mode or exhaust mode according to a control program mounted in the control unit, and the intake/exhaust unit formed on the other wall surface of the vehicle loading box is controlled by the control unit. It is driven and controlled in exhaust mode or intake mode according to the installed control program.

In addition, the intake/exhaust unit is provided with a second shutter module that is driven to open and close the third ventilation hole and the fourth ventilation hole communicating with the outside in response to a control signal from the control unit.

In addition, the second shutter module may include a second driving motor for driving forward and reverse rotation according to a control signal of the control unit; a rotating body connected to the driving shaft of the second driving motor and rotating forward and backward according to forward and reverse rotation of the second driving motor; a moving body engaged with the rotating body by a gear and linearly moving in a first direction or in a second direction opposite to the first direction according to forward and reverse rotation of the rotating body; and a plate-shaped second shutter coupled to the movable body and crossing and opening/closing the third ventilation hole and the fourth ventilation hole communicating with the outside according to the linear movement of the movable body. is to include

In addition, a sterilization module including an ultraviolet lamp driven and controlled by the control unit is formed in the first intake/exhaust area or the second intake/exhaust area of the intake/exhaust unit.

In addition, a heat pump for preheating outdoor air drawn into the second air circulation passage while being driven and controlled by the control unit is formed on a ceiling surface of the vehicle loading box.

As such, the ventilation system inside the loading box of the present invention measures the degree of internal contamination of the interior space of the loading box and, based on the measured information, manually or automatically controls the ventilation system configured on both side walls and inside the ceiling of the loading box. Through this, it is possible to expect the effect of providing a comfortable indoor environment to users who board the interior space of the loading box while ventilating or purifying the interior space of the loading box for rest or treatment using outside air.

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

1 is a perspective view showing a vehicle structure to which a ventilation system is applied to a loading box according to an embodiment of the present invention.
2 is a plan schematic view showing a vehicle structure to which a ventilation system is applied to a loading box according to an embodiment of the present invention.
Figure 3 is a cross-sectional view along line AA of Figure 2 in an embodiment of the present invention.
4 is a cutaway perspective view showing the structure of an intake and exhaust unit according to an embodiment of the present invention;
5 is an enlarged cross-sectional view showing an internal structure of a wall surface of a vehicle loading box through which outdoor air is introduced according to an embodiment of the present invention.
6 is an enlarged cross-sectional view showing an internal structure of a wall of a vehicle loading box through which indoor air is exhausted to the outside according to an embodiment of the present invention.
7 is a control block diagram of a ventilation system applied to a vehicle loading box according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, in the embodiments of the technical idea of the present invention, it is not limited to the embodiments disclosed below, and may be implemented in various different forms, but only the present embodiments make the disclosure of the present invention complete, and the technology to which the present invention belongs It is provided to completely inform those skilled in the art of the scope of the invention, and is only defined by the scope of the claims in the embodiments of the technical idea of the present invention.

Terminology used herein is for describing the embodiments and is not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase.

In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, the embodiments described in this specification will be described with reference to cross-sectional views and/or plan views, which are ideal exemplary views of the present invention. Therefore, embodiments of the present invention are not limited to the specific forms shown, but also include changes in necessary forms. For example, a region shown as a right angle may be rounded or have a predetermined curvature. Accordingly, the regions illustrated in the drawings have schematic properties, and the shapes of the regions illustrated in the drawings are intended to illustrate a specific shape of the region of the device and are not intended to limit the scope of the invention.

Like reference numbers designate like elements throughout the specification. Accordingly, the same reference numerals or similar reference numerals may be described with reference to other drawings, even if not mentioned or described in the drawings. Also, even if reference numerals are not indicated, description may be made with reference to other drawings.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing a vehicle structure to which a ventilation system is applied to a loading box according to an embodiment of the present invention, and FIG. 2 is a schematic plan view showing a vehicle structure to which a ventilation system is applied to a loading box according to an embodiment of the present invention. As an embodiment of the present invention, it is a cross-sectional view taken along the line A-A of FIG. 2, and FIG. 4 is a cutaway perspective view showing the structure of an intake and exhaust unit according to an embodiment of the present invention.

5 is an enlarged cross-sectional view showing an internal structure of a wall of a vehicle loading box through which outside air is introduced according to an embodiment of the present invention, and FIG. An enlarged cross-sectional view, and FIG. 7 shows a control block diagram of a ventilation system applied to a vehicle loading box according to an embodiment of the present invention.

1 to 7, the ventilation system inside the loading box of a vehicle according to an embodiment of the present invention has first and second ventilation systems on both side wall surfaces and ceiling surfaces of the vehicle loading box 100 in which an indoor space S1 is provided. 2 while forming the air circulation passages U1 and U2 and the discharge port 10, the intake and exhaust units 20 and 20', the pollution measurement sensor 30, and the control unit 40 are formed, and/or the first shutter module ( 50), the second shutter module 60, the sterilization module 70, and the heat pump 80.

The first air circulation passage U1 may be formed on both side wall surfaces of the vehicle loading box 100, and the second air circulation passage U2 may be formed on the ceiling surface of the vehicle loading box 100.

At this time, both sides of the wall surface and the ceiling surface of the vehicle loading box 100 may be configured with an inner partition wall D1 and an outer partition wall D2 spaced apart as a double structure. In this case, the inner partition wall D1 and the outer partition wall ( D2), the first air circulation passage U1 on the wall side and the second air circulation passage U2 on the ceiling side may be formed.

Here, although not shown in the drawings, the first air circulation passage U1 formed on both side walls of the vehicle loading box 100 may have at least one or more inlets communicating with the intake and exhaust unit 20. will be.

That is, the inlets may be formed in conjunction with each other according to the installed number of the intake/exhaust units 20 .

The outlet 10 is an internal partition wall forming the ceiling surface of the vehicle loading box 100 so as to communicate from the second air circulation passage U2 formed on the ceiling surface of the vehicle loading box 100 to the indoor space S1. At least one or more than one is formed in (D1), and the outdoor air sucked into the second air circulation passage (U2) via the first air circulation passage (U1) is discharged to the indoor space (S1). .

At least one or more of the intake/exhaust units 20 and 20' are formed on both side walls of the vehicle loading box 100, and exhaust polluted indoor air of the indoor space S1 to the outside or remove outdoor air. Driving in the exhaust mode or in the intake mode to discharge air into the first air circulation passage 10 after intake, the unit body 21, total heat exchanger 22, exhaust drive fan 23, intake drive It includes a fan (24).

The unit body 21 is a sealed box-type structure, at least one or more than one of which is installed on both side walls of the vehicle loading box 100, and a pair of first and second ventilation holes in the first intake and exhaust area A1. (T1, T2) is formed, and a pair of third and fourth ventilation holes (T3, T4) can be formed in the second intake/exhaust area (A2).

That is, the first ventilation hole T1 formed in the first intake/exhaust area A1 communicates with the interior space S1 through the inner partition wall D1 which is a wall surface of the vehicle loading box 100, and The ventilation hole T2 may communicate with an inlet (not shown) of the first air circulation passage U1 formed on the wall surface of the vehicle loading box 100 .

In addition, the third ventilation hole T3 and the fourth ventilation hole T4 formed in the second intake and exhaust area A2 are through-holes formed in the external partition wall D2 that is the wall surface of the vehicle loading box 100 (not shown). City) can be formed to communicate with the outside.

The total heat exchange unit 22 divides the inside of the unit body 21 into the first intake and exhaust area A1 and the second intake and exhaust area A2, and the indoor air is taken in through the first ventilation hole T1. Air and outdoor air intake through the third ventilation hole (T3) are heat-exchanged.

That is, when the intake/exhaust unit 20 is driven in the exhaust mode, when indoor air having a first temperature contaminated is introduced into the unit body 21 through the first ventilation hole T1, the first temperature The indoor air having is heat exchanged to a second temperature lower than the first temperature while passing through the total heat exchange unit 22, and then can be exhausted to the outside through the fourth ventilation hole T4.

And, when the intake/exhaust unit 20 is switched from the exhaust mode to the intake mode and driven, outdoor air having a third temperature lower than the second temperature enters the unit body 21 through the third ventilation hole T3. When introduced, the outdoor air having the third temperature is heat-exchanged to a fourth temperature higher than the third temperature while passing through the total heat exchange part 22, and then the second ventilation hole T2 and the first and second air circulation passages (U1, U2), and through the discharge port 10, it can be sucked into the indoor space (S1).

That is, while the outdoor air at the fourth temperature increased in temperature after passing through the total heat exchange unit 22 is maintained similarly to the indoor air at the first temperature before passing through the total heat exchange unit 22, the indoor space S1 ) is to minimize the heat loss generated during the ventilation mode.

Here, although the heat transfer exchange unit 22 is not specifically shown in the drawing, it has a perforated box shape and has a known structure in which a plurality of heat transfer blocks filled with a plurality of granular particles are arranged in a zigzag shape, or a known structure. Other total heat exchange elements may be selectively used.

The exhaust driving fan 23 is disposed in the first ventilation hole T1 formed in the unit body 21, and responds to the control signal of the control unit 40 to exhaust indoor air in the vehicle loading box 100. to drive on or off.

The intake driving fan 24 is disposed in the third ventilation hole T3 formed in the unit body 21, and is driven on or off according to a control signal from the control unit 40 to intake outdoor air. .

Here, when the exhaust drive fan 23 is turned on by the control unit 40, the intake drive fan 24 is turned off by the control unit 40, and the exhaust drive fan 23 is driven off by the control unit 40. When driven off by 40, the intake drive fan 24 is driven on by the controller 40.

That is, while the exhaust driving fan 23 and the intake driving fan 24 are driven alternately on or off according to the control of the controller 40, in the interior space S1 of the vehicle loading box 100. Exhaust of polluted indoor air to the outside and introduction of outdoor air into the indoor space S1 can be efficiently performed.

At this time, in the ventilation system according to the embodiment of the present invention, the inflowing outdoor air does not directly flow into the indoor space S1 through both side walls of the vehicle loading box 100, and the first and second air circulation paths U1, U2), outdoor air is not directly transferred to the indoor space S1 of the vehicle loading box 100 when resting or emergency patient treatment is in progress, and this is due to ventilation. This is to protect occupants from low-temperature outdoor air during seasons when the temperature of the outdoor air changes drastically or during seasons when the outdoor air temperature is low (eg, spring, fall, winter, etc.) when the system is operating.

The pollution measurement sensor 30 is formed in the indoor space S1 of the vehicle loading box 100, measures the concentration of pollutants in the air in the indoor space S1, and then outputs it to the control unit 40. will be.

Here, the contamination measurement sensor 30 uses various types of sensors capable of measuring the degree of contamination of pollutants in the air, including a fine dust sensor, an ultra-fine dust sensor, an organic compound sensor, a temperature sensor, a humidity sensor, and the like. , it can be configured to measure the concentration of pollutants in the air in real time.

Meanwhile, although not shown in the drawing, the indoor space S1 of the vehicle loading box 100 is divided into a first monitoring area and a second monitoring area, and the contamination measurement is performed in the first monitoring area and the second monitoring area, respectively. The sensor 30 may be disposed.

That is, at least one or more intake and exhaust units 20 and 20' are formed on both side walls of the vehicle loading box 100, respectively, and the exhaust drive fan 23 and the intake drive are respectively formed on the intake and exhaust units 20 and 20'. Since the fan 24 is included, in order to increase the efficiency of ventilation, based on the measurement information of the contamination measurement sensor 30 disposed in the first monitoring area, which is the left side of the indoor space S1 of the vehicle loading box 100, The control unit 40 alternately controls on or off driving of the exhaust driving fan 23 and the intake driving fan 24 adjacent to the first monitoring area, and the right side of the interior space S1 of the vehicle loading box 100 Based on the measurement information of the pollution measurement sensor 30 disposed in the second monitoring area, the control unit 40 alternately operates the exhaust drive fan 23 and the intake drive fan 24 adjacent to the second monitoring area. It is to increase ventilation efficiency for the indoor space S1 of the vehicle loading box 100 while controlling off or on driving.

When the measurement information is input from the pollution measurement sensor 30, the control unit 40 compares it with a reference concentration value and determines whether it is lower than, equal to, or higher than the reference concentration value and is included in the intake/exhaust unit 20. It is to control the on or off driving of the exhaust drive fan 23 and the intake drive fan 24 .

At this time, the intake/exhaust units 20, 20' formed on both side walls of the vehicle loading box 100 are simultaneously driven and controlled in intake mode or exhaust mode by the control program PG mounted in the control unit 40. It is not necessarily limited to these.

That is, when the control program PG mounted in the control unit 40 drives and controls the intake/exhaust unit 20 formed on one side wall of the vehicle loading box 100 in an intake mode or an exhaust mode, the vehicle loading box 100 is driven and controlled. Conversely, the intake/exhaust unit 20' formed on the other side wall surface of 100 can be driven and controlled in an exhaust mode or an intake mode.

Here, the above description has been described as automatically controlling the alternate driving of the exhaust drive fan 23 and the intake drive fan 24 through the contamination measurement sensor 30, but the interior space of the vehicle loading box 100 ( Through the operation unit 41 provided in S1), the emergency personnel may manually control it.

That is, although not shown in the figure, the control unit 41 has control buttons for driving the exhaust mode and the intake mode, and a selection input signal according to the operation of the exhaust mode or intake mode button is input to the control unit 40. At this time, the controller 40 can control the alternating driving of the exhaust drive fan 23 and the intake drive fan 24 .

Here, the timing at which the emergency personnel inputs the input signal of the exhaust mode or the intake mode to the control unit 40 through the button of the operation unit 41 is the indoor space S1 measured by the pollution measurement sensor 30. ) is when the concentration of pollutants in the air equals or exceeds the reference concentration value, and a warning sound is generated. Accordingly, in the embodiment of the present invention, a warning sound output unit 42 controlled by the control unit 40 may be further included. There is.

The first shutter module 50 is formed at the inlet of the first air circulation passage U1 communicating with the second ventilation hole T2, which is the control unit when the exhaust driving fan 23 is turned on. 40), and controlled to open by the controller 40 when the intake drive fan 24 is turned on, and includes a first shutter 51 and a first drive motor 52.

The first shutter 51 is at least one wing structure formed in at least one or one not shown inlet formed in the first air circulation passage U1, and opens and closes the second ventilation hole T2. It rotates around an axis.

That is, the first shutter 51 can be controlled to close when the exhaust drive fan 23 is turned on, and controlled to open when the intake drive fan 24 is turned on.

The first drive motor 52 is controlled by the control unit 40 and drives forward and reverse rotation to rotate the shaft in a forward or reverse direction so as to open and close the first shutter 51 .

That is, when the exhaust driving fan 23 is turned on and driven by the control unit 40, the first drive motor 52 is controlled to be reverse driven by the control unit 40, and the first air circulation passage U1 The inlet of ) is blocked by the first shutter 51, and accordingly, the contaminated indoor air existing in the indoor space S1 of the vehicle loading box 100 is exhausted to the outside by the exhaust driving fan 23. , It is not re-introduced into the indoor space (S1) through the inlet of the first air circulation passage (U1).

In addition, when the exhaust driving fan 23 is driven off by the controller 40, the first drive motor 52 is controlled to be driven in a forward direction by the controller 40, and the first air circulation passage U1 The inlet of ) is opened by the first shutter 51, and accordingly, the outdoor air is introduced into the third ventilation port T3 by the intake driving fan 24, and then the total heat exchange unit 22 and the first air circulation passage It can flow into the interior space S1 of the vehicle loading box 100 through the discharge port 10 while passing through the inlet of U1 and the second air circulation passage U2.

The second shutter module 60 is formed inside the unit body 21 included in the intake and exhaust unit 20 and communicates with the outside according to the control signal of the control unit 40. The third ventilation hole T3 And the fourth ventilation hole (T4) is driven to cross open and close, and includes a second driving motor 61, a rotating body 62, a moving body 63, and a second shutter 64.

The second drive motor 61 drives forward and reverse rotation according to the control signal of the control unit 40 .

The rotating body 62 is connected to the drive shaft of the second driving motor 61 as a pinion gear, and rotates forward and backward according to forward and reverse rotation of the second drive motor 61 .

The movable body 63 is a rack gear meshed with the pinion gear and rotates in the first direction P1 or the first direction P1 to close the third ventilation hole T3 according to the forward/reverse rotation of the rotating body 62. As opposed to the direction (P1), it moves linearly in the second direction (P2) to close the fourth ventilation hole (T4).

The second shutter 64 is a plate-shaped structure coupled to the movable body 63, and the third ventilation hole T3 and the fourth ventilation hole T4 communicate with the outside according to the linear movement of the movable body 63. is to cross-open.

That is, when the intake driving fan 24 turns on and draws outdoor air through the third ventilation hole T3, the second shutter 64 is provided with a fourth ventilation hole ( T4) is closed, and the exhaust drive fan 23 is turned on to open the fourth ventilation hole T4 so that polluted indoor air is exhausted to the outside through the fourth ventilation hole T4.

Here, when the second shutter 64 moves linearly in the first direction P1 to open the fourth ventilation hole T4, the shutter 64 is an external partition wall forming the wall surface of the vehicle loading box 100 ( While entering between the through hole (not shown) formed in D2) and the third ventilation hole (T3), the third ventilation hole (T3) can be closed.

In addition, although not shown in the drawing, the moving body 64 to which the second shutter 64 is coupled can be linearly moved along a rail-shaped guide part formed on one surface of the unit body 21.

The sterilization module 70 includes an ultraviolet lamp and is electrically connected to the controller 40, and the first air circulation passage U1 formed on both side walls or ceiling of the vehicle loading box 100 and/or Alternatively, it may be formed inside the second air circulation passage U2, or may be formed in the first intake and exhaust area A1 and/or the second intake and exhaust area A2 inside the unit body 21, which is When the exhaust driving fan 23 and/or the intake driving fan 24 are turned on and the indoor air is exhausted or the outdoor air is sucked in, the control unit 40 may drive and control the operation, and accordingly, the intake/exhaust unit 20 ) Contaminated indoor air exhausted by or outdoor air discharged to the indoor space S1 of the vehicle loading box 100 through the discharge port 10 formed on the ceiling surface of the vehicle loading box 100 can be sterilized. will be.

That is, when the exhaust driving fan 23 and/or the intake driving fan 24 are turned on, the controller 40 controls the sterilization module 70 to operate in conjunction with each other.

The heat pump 80 is formed on the ceiling surface of the vehicle loading box 100 and communicates with the second air circulation passage U2 through the external partition wall D2 constituting the ceiling surface, and the control unit 40 It is to preheat the intake outside air while being driven and controlled by .

That is, the heater pump 80 is a refrigeration cycle in which the refrigerant evaporates in the evaporator, takes heat from the surroundings to become a gas, and then releases heat to the surroundings through a condenser to liquefy, and the released heat is used for heating or heating. It is a known heater pump that can be used.

Here, the control unit 40 can control the heat pump 80 to be interlocked and driven when the intake driving fan 24 is turned on.

As described above, in the ventilation system inside the loading box of the vehicle according to the embodiment of the present invention, as shown in the accompanying FIGS. 1 to 7, the user controls the operation unit ( 41) to input an input signal for selecting the exhaust mode and/or the intake mode to the control unit 40, or indoor air measured by the pollution sensor 30 installed in the indoor space S1. When the pollutant concentration is equal to or higher than the reference concentration value, the controller 40 controls the opening of the fourth ventilation hole T4 formed in the intake/exhaust unit 20 by controlling driving of the second shutter unit 60 first. Meanwhile, the first shutter unit 50 turns on the exhaust driving fan 23 included in the intake/exhaust unit 20 while controlling the closing.

Then, the indoor air containing pollutants measured in the interior space S1 of the vehicle loading box 100 according to the on-driving of the exhaust driving fan 23 is discharged through the first ventilation hole where the exhaust driving fan 23 is disposed ( After being introduced into the unit body 21 through T1), heat is exchanged while passing through the total heat exchange unit 22, and can be forcibly exhausted to the outside through the open fourth ventilation hole T4 of the unit body 21. There is.

On the other hand, the controller 40 turns on the intake drive fan 24 immediately after the air containing the pollutant is forcibly exhausted to the outside, and at the same time controls the opening of the first shutter unit 50, The fourth ventilation hole (T4) is controlled to be closed through the second shutter unit (60).

Then, according to the on-driving of the intake drive fan 24, outdoor air is taken in through the third ventilation hole T3 where the intake drive fan 24 is disposed, and then the second ventilation hole T2 and the open communication therewith. While being introduced into the first air circulation passage U1 formed on both side wall surfaces of the vehicle loading box 100 through the inlet, the second air circulation passage U2 formed on the ceiling surface of the vehicle loading box 100 While being discharged into the interior space S1 of the vehicle loading box 100 through at least one or more discharge ports 10, the indoor space S1 of the vehicle loading box 100 can be comfortably ventilated.

On the other hand, when the above ventilation is performed, the control unit 40 may drive and control the sterilization module 70 including the ultraviolet lamp and/or the heat pump 80, in which case the sterilization module 70 The outdoor air sterilized by the heat pump 80 may be discharged into the indoor space S1 through the outlet 10 to purify the indoor space S1, or the outdoor air heated by the heat pump 80 may be discharged to the indoor space S1 through the outlet 10. While being discharged to the indoor space (S1) through (10), the indoor space (S1) can be kept warm.

That is, the ventilation system of the vehicle loading box 100 according to the embodiment of the present invention increases the ventilation or purification efficiency of the indoor space S1 of the vehicle loading box 100, and the indoor space in the vehicle loading box 100 ( It is possible to provide a comfortable indoor environment to users residing in S1) (eg, camping users or transported patients and paramedics in need of emergency treatment).

In the above, the technical concept of the interior ventilation system of the loading box of the present invention has been described together with the accompanying drawings, but this is an exemplary description of the best embodiment of the present invention, but does not limit the present invention.

Therefore, the present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone having ordinary knowledge in the art to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course it is possible, and such variations are within the scope of the claims.

10; outlet 20, 20'; intake and exhaust unit
21; unit body 22; Total heat exchange part
23; Exhaust drive fan 24; intake driven fan
30; Contamination measuring sensor 40; control unit
41; operation unit 42; warning sound output
50; a first shutter module 51; 1st shutter
52; a first drive motor 60; 2nd shutter module
61; a second driving motor 62; body of rotation
63; mobile body 64; 2nd shutter
70; Sterilization module 80; heat pump
100; vehicle loading docks A1, A2; intake and exhaust area
D1; internal bulkhead D2; external bulkhead
S1; indoor spaces T1, T2, T2, T4; ventilation
U1, U2; air circulation path

Claims (12)

first and second air circulation passages formed to communicate with each other on both side walls and a ceiling surface of the vehicle loading box having an indoor space; The second air circulation passage formed on the ceiling surface of the vehicle loading box communicates with the indoor space, and at least one or more air passages for discharging outdoor air taken in through the first and second air circulation passages to the indoor space. discharge port; Driving in an exhaust mode to exhaust polluted indoor air of the indoor space to the outside or to suck in outdoor air and then discharge it to the first air circulation passage while at least one or more than one is formed on both side wall surfaces of the vehicle loading box or an intake/exhaust unit driven in an intake mode; At least one or more pollution measuring sensors formed in the indoor space of the vehicle loading box to measure the concentration of air pollutants in the indoor space; and a control unit that is formed in the vehicle cab or the indoor space and drives and controls the intake/exhaust unit into an exhaust mode or an intake mode according to a drive selection signal of the control unit or concentration measurement information of the contamination measurement sensor. Including,
The intake/exhaust unit is installed on both side walls of the vehicle loading box, and is a unit in which a pair of first and second ventilation holes are formed in the first intake and exhaust area and a pair of third and fourth ventilation holes are formed in the second intake and exhaust area. body; A total heat exchanger that divides the inside of the unit body into the first intake/exhaust area and the second intake/exhaust area and exchanges heat between indoor air intake through the first ventilation hole and outdoor air intake through the third ventilation hole; an exhaust drive fan formed in the first ventilation hole of the unit body and driven on or off according to a control signal from the control unit to exhaust indoor air; and an intake drive fan formed in the third ventilation hole of the unit body and driven on or off according to the control signal of the control unit to intake outdoor air. Ventilation system inside the loading box of a vehicle, characterized in that it comprises a. According to claim 1,
The both side walls and the ceiling surface of the vehicle loading box are composed of an inner partition wall and an outer partition wall spaced apart in a double structure,
The ventilation system inside the loading box of a vehicle, characterized in that the first and second air circulation passages are formed between the inner partition wall and the outer partition wall. delete According to claim 1,
The first ventilation hole communicates with the indoor space through a wall surface of the vehicle loading box,
The second ventilation hole communicates with the first air circulation passage formed on the wall surface of the vehicle loading box,
The ventilation system inside the vehicle loading box, characterized in that the third ventilation hole and the fourth ventilation hole communicate with the outside through a wall surface of the vehicle loading box. According to claim 4,
An inlet is formed in the first air circulation passage communicating with the second ventilation hole, and the inlet is controlled to be closed by the control unit when the exhaust driving fan is turned on and driven, and is controlled to be closed by the control unit when the intake drive fan is turned on and driven. A ventilation system inside the loading box of a vehicle, characterized in that the first shutter module that is controlled to open is formed. According to claim 5,
The first shutter module,
a first shutter rotating around an axis to open and close the inlet communicating with the second ventilation hole; and,
a first drive motor which is controlled by the control unit and rotates the shaft in a forward or reverse direction to open and close the first shutter; Ventilation system inside the loading box of a vehicle, characterized in that it comprises a. According to claim 1,
The intake/exhaust unit formed on both side walls of the vehicle loading box is driven and controlled simultaneously in an intake mode or an exhaust mode according to a control program mounted in the control unit. According to claim 1,
The intake/exhaust unit formed on one side wall of the vehicle loading box is driven and controlled in an intake mode or an exhaust mode according to a control program mounted in the controller,
The ventilation system inside the vehicle loading box, characterized in that the intake and exhaust unit formed on the other wall surface of the vehicle loading box is driven and controlled in an exhaust mode or an intake mode according to a control program mounted in the control unit. According to claim 6,
The intake/exhaust unit is provided with a second shutter module that is driven to open and close the third and fourth vents communicating with the outside according to a control signal from the controller. Ventilation system inside the loading box of a vehicle. According to claim 9,
The second shutter module,
a second drive motor for driving forward and reverse rotation according to a control signal from the control unit;
a rotating body connected to the driving shaft of the second driving motor and rotating forward and backward according to forward and reverse rotation of the second driving motor;
a moving body engaged with the rotating body by a gear and linearly moving in a first direction or in a second direction opposite to the first direction according to forward and reverse rotation of the rotating body; and,
a plate-shaped second shutter coupled to the movable body and crossing and opening and closing the third ventilation hole and the fourth ventilation hole communicating with the outside according to the linear movement of the movable body; Ventilation system inside the loading box of a vehicle, characterized in that it comprises a. According to claim 10,
A ventilation system inside the loading box of a vehicle, characterized in that a sterilization module including an ultraviolet lamp driven and controlled by the controller is formed in the first intake and exhaust zone or the second intake and exhaust zone of the intake and exhaust unit. According to claim 11,
A ventilation system inside the vehicle loading box, characterized in that, a heat pump is formed on the ceiling surface of the vehicle loading box to preheat outdoor air sucked into the second air circulation passage while being driven and controlled by the control unit.

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