Loader cab based on indoor pressure regulation

Abstract

The utility model relates to the technical field of loaders, in particular to a loader cab based on indoor pressure regulation. In the application, an air control pressure regulating system is constructed through an air inlet fan and an air exhaust fan which are correspondingly provided with ventilation pipelines, and a three-stage filtering system is arranged on the inner side of the outer connecting end of each ventilation pipeline; the air pressure sensor is combined, operation of the air inlet fan and the air exhaust fan is adjusted in real time through the air control adjuster, it is ensured that the air pressure range in the cab is positive pressure, external filtered air is actively driven to conduct cab air inside and outside flowing circulation, and based on the difference between the internal air pressure and the external air pressure, external unfiltered air is effectively prevented from entering the cab. In addition, the temperature regulator is combined with the temperature sensor, the air temperature in the cab can be regulated based on the outside air temperature, and the indoor comfort is improved; the oxygen increasing device is combined with the oxygen concentration sensor, the oxygen content in the cab can be adjusted based on the outside air oxygen content, and the indoor comfort degree is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to loader technical field especially relates to a kind of based on indoor pressure regulation's loader cab. BACKGROUND

[0002] Loader is a kind of widely used in highway, railway, building, water and electricity, port, mine and other construction engineering earthwork construction machinery, it is mainly used for shoveling soil, sand, lime, coal and other bulk materials, also can be on ore, hard soil and other light degree shovel excavating operation.

[0003] When using loader to carry out construction, relevant personnel needs to operate in the cab;When carrying out construction in mine, construction site and chemical site and other environments, due to the poor environmental conditions, and inevitably there are a lot of dust, harmful gases and microorganisms and other pollutants.The traditional cab is provided with door and window, but its airtightness is still not perfect, so it is difficult to avoid one or more pollutants in construction site into the cab interior;When pollutants enter the cab interior, not only will affect the health of the driver, but also will lead to the electronic equipment in the cab damaged due to pollution;That is, "prevent pollutants from entering the loader cab interior" is necessary.

[0004] In view of the above-mentioned shortcomings, deficiencies of prior art, the utility model provides a kind of based on indoor pressure regulation's loader cab, it solves the technical problem of "how to effectively prevent pollutants from entering the loader cab interior" while improving the environmental applicability of loader in the use process of existing loader cab. UTILITY MODEL CONTENT

[0005] In view of the above-mentioned shortcomings, deficiencies of prior art, the utility model provides a kind of based on indoor pressure regulation's loader cab, it solves the technical problem of "how to effectively prevent pollutants from entering the loader cab interior" while improving the environmental applicability of loader in the use process of existing loader cab.

[0006] In order to achieve the above purpose, the main technical scheme adopted by the utility model includes:

[0007] The utility model provides a kind of based on indoor pressure regulation's loader cab, specifically:

[0008] The cab interior is connected to the outside based on wind control pressure regulating system;The cab interior is provided with: wind control regulator with air pressure sensor;Wind control regulator is electrically connected to wind control pressure regulating system;

[0009] Among them, wind control pressure regulating system includes: corresponding air inlet fan and exhaust fan with ventilation duct;The outside connecting end of ventilation duct is provided with three-stage filtration system on the inside;

[0010] Wind control regulator is used to adjust the operation of air inlet fan and exhaust fan in time in combination with air pressure sensor, to ensure that the air pressure range in the cab interior is in positive pressure 20 ~ 50Pa.

[0011] Optionally, the three-stage filtering system comprises: a gelatinized cotton rough filtering layer, a HEPA filtering layer and a catalytic activated carbon adsorption layer arranged equidistantly in sequence.

[0012] Optionally, the gelatinized cotton rough filtering layer is used for filtering large-particle dust, hair and pollen.

[0013] The HEPA filtering layer is used for filtering smoke and small-particle inhalable dust.

[0014] The catalytic activated carbon adsorption layer is used for adsorbing chemical gas and peculiar smell gas.

[0015] Optionally, the cab interior is further provided with: a temperature regulator provided with a temperature sensor, and an oxygen generator provided with an oxygen concentration sensor.

[0016] Optionally, the temperature regulator is used for adjusting the temperature in the cab interior in time in combination with the temperature sensor.

[0017] The oxygen generator is used for adjusting the oxygen content in the cab interior in time in combination with the oxygen concentration sensor.

[0018] Optionally, the cab is provided on both sides with: airtight sliding doors provided with a see-through window.

[0019] The connection between the ventilation pipeline outer side and the cab and the connection between the see-through window edge and the cab are both provided with rubber sealing pads.

[0020] The application has the following beneficial effects:

[0021] In the utility model, the air control pressure regulating system is constructed by "air inlet fan and air outlet fan corresponding to the ventilation pipeline", wherein, the outer connecting end of the ventilation pipeline is provided with a three-stage filtering system;

[0022] Based on the foregoing structure, the operation of the air inlet fan and the air outlet fan is adjusted in real time by the air control regulator in combination with the air pressure sensor, so that the air pressure range in the cab interior is ensured to be positive pressure, and the "unfiltered air outside" is effectively blocked from entering the cab interior based on the air pressure difference between the inside and the outside.

[0023] In the utility model, the temperature regulator in combination with the temperature sensor can adjust the temperature in the cab interior based on the temperature outside, and improve the indoor comfort; the oxygen generator in combination with the oxygen concentration sensor can adjust the oxygen content in the cab interior based on the oxygen content outside, and improve the indoor comfort. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1The overall structure schematic diagram of the loader provided by one embodiment of the utility model is shown in the figure.

[0025] Figure 2 The internal structure section schematic diagram of the cab of the loader provided by one embodiment of the utility model is shown in the figure.

[0026] Figure 3 The internal structure section schematic diagram of the first ventilation pipeline combined with the air inlet fan provided by one embodiment of the utility model is shown in the figure.

[0027] Figure 4 The internal structure section schematic diagram of the second ventilation pipeline combined with the air outlet fan provided by one embodiment of the utility model is shown in the figure.

[0028] Figures 1 to 4 The component numbers in the figures correspond to the following:

[0029] 1, cab; 1-1, outer shell; 1-2, perspective window; 1-3, air-tight door; 1-4, driver seat; 1-5, steering wheel; 1-6, data display screen; 1-7, adjusting button; 1-8, air control regulator; 1-8-1, air pressure sensor; 1-9, air inlet fan; 1-9-1, first ventilation pipeline; 1-10, air outlet fan; 1-10-1, second ventilation pipeline; 1-11, fan blade; 1-12-1, first three-stage filtration system; 1-12-2, second three-stage filtration system; 1-13-1-1, gelatinized cotton coarse filtration layer; 1-13-1-2, HEPA filtration layer; 1-13-1-3, catalytic activated carbon adsorption layer; 1-14, temperature regulator; 1-14-1, temperature sensor; 1-15, oxygen generator; 1-15-1, oxygen concentration sensor; 2, telescopic arm; 3, bucket. DETAILED DESCRIPTION

[0030] In order to better explain the utility model, so as to facilitate understanding, the utility model is described in detail below by specific implementation manners combined with the drawings.

[0031] In order to better understand the above technical solutions, the exemplary embodiments of the utility model will be described in more detail below with reference to the drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided so that the utility model can be more clearly and thoroughly understood, and the scope of the utility model can be completely conveyed to those skilled in the art.

[0032] Embodiment one

[0033] The embodiment provides a loader cab based on indoor pressure regulation, Figure 1 The overall structure schematic diagram of the loader is shown in the figure,Figure 1 As shown, the main structure of the loader includes: cab 1, telescopic boom 2, and bucket 3.

[0034] In this embodiment, Figure 2 This is a schematic diagram of the internal structure of the loader cab, such as... Figure 2 As shown, the cab 1 includes an outer shell 1-1, and the outer shell 1-1 has airtight sliding doors 1-3 with viewing windows 1-2 on both sides; the outer shell 1-1 has a driver's seat 1-4, a steering wheel 1-5, and a data display screen 1-6 inside, and the data display screen 1-6 is matched with multiple adjustment buttons 1-7.

[0035] In this embodiment, the interior of the outer shell 1-1 is connected to the outside based on the air control pressure regulation system; the interior of the outer shell 1-1 is provided with: an air control regulator 1-8 with an air pressure sensor 1-8-1; the air control regulator 1-8 is electrically connected to the air control pressure regulation system.

[0036] Regarding the aforementioned "risk control and pressure regulation system", it should be noted that:

[0037] like Figure 2 As shown, the air control and pressure regulation system includes: an intake fan 1-9 with a first ventilation duct 1-9-1 and an exhaust fan 1-10 with a second ventilation duct 1-10-1;

[0038] The inner connection end of the first ventilation duct 1-9-1 is connected to the inside of the outer shell 1-1, and the outer connection end of the first ventilation duct 1-9-1 is connected to the outside of the outer shell 1-1. The inner connection end of the second ventilation duct 1-10-1 is connected to the inside of the outer shell 1-1, and the outer connection end of the second ventilation duct 1-10-1 is connected to the outside of the outer shell 1-1.

[0039] Figure 3 This is a schematic diagram of the internal structure of the first ventilation duct combined with the air intake fan. Figure 4 This is a schematic diagram of the internal structure of the second ventilation duct combined with the exhaust fan; for example... Figure 3 and Figure 4 As shown,

[0040] Both the intake fan 1-9 and the exhaust fan 1-10 have fan blades 1-11 encapsulated inside. When the fan blades 1-11 are driven to rotate, the intake fan 1-9 draws outside air into the outer shell 1-1 through the first ventilation duct 1-9-1, and the exhaust fan 1-10 discharges the air inside the outer shell 1-1 to the outside of the outer shell 1-1 through the second ventilation duct 1-10-1.

[0041] Regarding the aforementioned "risk control regulators 1-8", it should be noted that:

[0042] The air pressure sensor 1-8-1 is used to detect the air pressure inside the outer housing 1-1 in real time;

[0043] In the present application, the risk control regulator 1-8 adjusts the rotating speed of the fan blades 1-11 in the air inlet fan 1-9 and the air outlet fan 1-10 in real time according to the real-time air pressure detected by the air pressure sensor 1-8-1, so as to control the air inlet amount of the air inlet fan 1-9 and the air outlet amount of the air outlet fan 1-10, and to ensure that the real-time air pressure inside the shell body 1-1 is within the preset range; preferably, the air pressure preset range is: positive pressure 20 ~ 50Pa.

[0044] In the present embodiment, in order to ensure that the air sucked into the shell body 1-1 is clean and pollution-free, and to ensure that the air discharged from the shell body 1-1 is also clean and pollution-free, as shown in Figure 2 The inner side of the outer connecting end of the first ventilation duct 1-9-1 is provided with a first three-stage filtration system 1-12-1, and the inner side of the outer connecting end of the second ventilation duct 1-10-1 is provided with a second three-stage filtration system 1-12-2.

[0045] For the aforementioned "first three-stage filtration system 1-12-1", in combination with Figure 2 and Figure 3 , the inner side of the outer connecting end of the first ventilation duct 1-9-1 is fixed with, from top to bottom, an equal interval: a gel cotton coarse filter layer 1-13-1-1, a HEPA filter layer 1-13-1-2 and a catalytic activated carbon adsorption layer 1-13-1-3.

[0046] For the aforementioned "second three-stage filtration system 1-12-2", in combination with Figure 2 and Figure 3 , the inner side of the outer connecting end of the second ventilation duct 1-10-1 is fixed with, from bottom to top, an equal interval: a gel cotton coarse filter layer 1-13-1-1, a HEPA filter layer 1-13-1-2 and a catalytic activated carbon adsorption layer 1-13-1-3.

[0047] It should be noted that: the gel cotton coarse filter layer 1-13-1-1 is used for primary filtration, specifically for filtering large-particle dust, hair and pollen; the HEPA filter layer 1-13-1-2 is used for secondary filtration, specifically for filtering smoke and small-particle inhalable dust; the catalytic activated carbon adsorption layer 1-13-1-3 is used for final adsorption, specifically for adsorbing chemical gas and odor gas;

[0048] It should be noted that: in order to facilitate the cleaning of the "first three-stage filtration system 1-12-1" and the "second three-stage filtration system 1-12-2", the gel cotton coarse filter layer 1-13-1-1, the HEPA filter layer 1-13-1-2 and the catalytic activated carbon adsorption layer 1-13-1-3 can be designed as a detachable style;

[0049] In this embodiment, preferably, the cleaning frequency of the gelatinized cotton rough filter layer 1-13-1-1 is once a month, the cleaning frequency of the HEPA filter layer 1-13-1-2 is once a quarter, and the cleaning frequency of the catalytic activated carbon adsorption layer 1-13-1-3 is once every half a year.

[0050] In this embodiment, as shown in Figure 2 The inner shell 1-1 is further provided with a temperature regulator 1-14 provided with a temperature sensor 1-14-1 and an oxygen generator 1-15 provided with an oxygen concentration sensor 1-15-1.

[0051] It should be noted that the temperature sensor 1-14-1 is used to detect the real-time temperature inside the outer shell 1-1; the temperature regulator 1-14 adjusts the temperature inside the outer shell 1-1 in a timely manner according to the real-time temperature detected by the temperature sensor 1-14-1, so as to ensure that the real-time temperature inside the outer shell 1-1 is within the preset range.

[0052] The oxygen concentration sensor 1-15-1 is used to detect the real-time oxygen concentration inside the outer shell 1-1; the oxygen generator 1-15 adjusts the oxygen concentration inside the outer shell 1-1 in a timely manner according to the real-time oxygen concentration detected by the oxygen concentration sensor 1-15-1, so as to ensure that the real-time oxygen concentration inside the outer shell 1-1 is within the preset range.

[0053] In this embodiment, the connection between the first ventilation duct 1-9-1 and the second ventilation duct 1-10-1 outside the outer shell 1-1 and the connection between the edge of the perspective window 1-2 and the outer shell 1-1 are both provided with rubber sealing pads, so as to further ensure the sealing degree of the outer shell 1-1 in the running state.

[0054] In this embodiment, the "indoor air pressure preset range", "indoor temperature preset range" and "indoor oxygen content preset range" can be preset based on the aforementioned data display screen 1-6 and adjustment button 1-7.

[0055] In this embodiment, preferably, as shown in Figure 2 The air inlet fan 1-9, the air outlet fan 1-10, the temperature regulator 1-14 and the oxygen generator 1-15 are fixed in the preset position inside the outer shell 1-1 based on the threaded fixing assembly.

[0056] For the loader cab based on indoor pressure regulation described in the foregoing embodiment one, the air control pressure regulation system is constructed by "corresponding to the air inlet fan 1-9 and the air outlet fan 1-10 attached with the ventilation pipeline", wherein the outer connection end of the ventilation pipeline is internally provided with a three-stage filtration system; based on the foregoing structure, in combination with the air pressure sensor 1-8-1, the operation of the air inlet fan 1-9 and the air outlet fan 1-10 is adjusted in real time through the air control regulator 1-8, so as to ensure that the air pressure range in the cab is in positive pressure, and to actively drive "the filtered air outside" to perform "air circulation inside and outside the cab", based on the air pressure difference inside and outside, effectively blocking "the unfiltered air outside" from entering the cab interior;

[0057] For the loader cab based on indoor pressure regulation described in the foregoing embodiment one, the temperature regulator 1-14 in combination with the temperature sensor 1-14-1 can adjust the air temperature in the cab based on the air temperature outside, so as to improve the indoor comfort; the oxygen generator 1-15 in combination with the oxygen concentration sensor 1-15-1 can adjust the oxygen content in the cab based on the oxygen content outside, so as to improve the indoor comfort.

[0058] It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in the claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The use of the word "first", "second" and "third" etc. does not limit the number for these elements. These words are only used to distinguish between alternative claims.

[0059] Furthermore, it should be noted that the terms "one embodiment", "some embodiments", "an embodiment", "exemplary", "specific example", or "some examples" and the like, in the description, mean that the particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the present application. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Moreover, the terms "comprising", "including", "containing", and "consisting" and their conjugates, when used in the specification, specify the presence of stated features, steps, or components but do not preclude the presence or addition of one or more other features, steps, components, or groups thereof.

[0060] Although preferred embodiments of the application have been described, those skilled in the art will be able to make additional changes and modifications without departing from the basic inventive concepts. Therefore, the claims should be interpreted as including all such changes and modifications that fall within the scope of the application.

[0061] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application should also include these modifications and variations.

Claims

1. A loader cab based on indoor pressure regulation, characterized in that, The cab is connected to the outside via a wind control and pressure regulation system; the cab is equipped with a wind control regulator with an air pressure sensor; the wind control regulator is electrically connected to the wind control and pressure regulation system. The ventilation control and pressure regulation system includes: an intake fan and an exhaust fan with corresponding ventilation ducts; and a three-stage filtration system installed on the inner side of the external connection end of the ventilation duct. The wind control regulator, in conjunction with the air pressure sensor, adjusts the operation of the intake and exhaust fans in a timely manner to ensure that the air pressure inside the cab is within a positive pressure range of 20 to 50 Pa.

2. The loader cab according to claim 1, characterized in that, The three-stage filtration system includes: a coarse filter layer of gelled cotton, a HEPA filter layer, and a catalytic activated carbon adsorption layer arranged in sequence at equal intervals.

3. The loader cab according to claim 2, characterized in that, The gelled cotton coarse filter layer is used to filter large particles of dust, hair, and pollen. HEPA filter layer is used to filter smoke and small particulate inhalable dust. The catalytic activated carbon adsorption layer is used to adsorb chemical gases and odorous gases.

4. The loader cab according to claim 1, characterized in that, The cab also includes a temperature regulator with a temperature sensor and an oxygen generator with an oxygen concentration sensor.

5. The loader cab according to claim 4, characterized in that, A temperature regulator, used in conjunction with a temperature sensor, adjusts the internal temperature of the driver's cab in a timely manner. An oxygen generator is used in conjunction with an oxygen concentration sensor to adjust the oxygen content of the air inside the driver's cab in a timely manner.

6. The loader cab according to claim 1, characterized in that, The driver's cab is equipped with airtight sliding doors with viewing windows on both sides; Rubber sealing gaskets are provided at the connection points between the outer side of the ventilation duct and the cab, as well as at the connection points between the edge of the viewing window and the cab.

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