Inner circulation temperature control system of bungalow granary and bungalow granary

Abstract

The utility model relates to the field of granary comprehensive management, and provides an inner circulation temperature control system of a bungalow granary and the bungalow granary. Comprising a fan which is movably arranged on the wall in the bungalow granary and located above the surface of a grain pile; the ventilation ground cage is arranged on the ground of the bungalow granary and located on the bottom face of the grain pile; the ventilation pipeline penetrates through the grain pile, one end of the ventilation pipeline is connected to the fan, and the other end of the ventilation pipeline is connected to the ventilation ground cage; the control device comprises a box body, a control host, a temperature sensor and a carbon dioxide sensor which are arranged in the box body, and a humidity sensor arranged in the grain pile. According to the utility model, parameters of carbon dioxide concentration, humidity of grain piles and temperature are monitored to cooperatively control on and off of the fan, so that risks of heating, insect attack or mildew of grains can be foreseen, cold air conveying is carried out in time to control the temperature, the real state of stored grains can be reflected more comprehensively, and supervision and management are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of granary comprehensive management especially relates to a flat granary's inner ring flow temperature control system and flat granary. BACKGROUND

[0002] Grain safety is related to national fortune and people's livelihood, promoting the application of new granary management technology and improving the level of grain storage technology are important links to guarantee the quality of grain storage and realize the safety of grain storage. At present, the inner ring flow temperature control technology has been widely used in grain storage management, the main principle is to use the fan to cool and ventilate the stored grain in the granary in winter, complete the cold storage, and use small fans to transport the cold air in the granary to the space in the granary in summer, reduce the temperature of the warehouse and the surface temperature of the grain layer, and realize low temperature or quasi low temperature grain storage.

[0003] However, at present, the inner ring flow temperature control technology is in a state of extensive application, generally through temperature controller, set upper and lower limit temperature, control inner ring flow fan start and stop, there is no clear distinction for different grain species, different storage years and different moisture storage temperature control, there are risks of grain heating, energy waste and other situations; In addition, the types of grain stored in the granary are not fixed, and the surface height of different grain piles will change, so it is troublesome and time-consuming to adjust the height of the fan to the best position every time. UTILITY MODEL CONTENT

[0004] The utility model provides a flat granary's inner ring flow temperature control system and flat granary to solve the existing inner ring flow technology of granary only relies on temperature control fan and leads to the risk of grain heating, mildewing or insect damage, and the poor flexibility and adaptability caused by extensive application of prior art technical problems.

[0005] The utility model provides a flat granary's inner ring flow temperature control system, comprising:

[0006] Fan, movably arranged on the wall inside the flat granary and located above the surface of the grain pile;

[0007] Ventilating ground cage, arranged on the ground of the flat granary and located at the bottom surface of the grain pile;

[0008] Ventilation duct, passing through the grain pile, and one end of the ventilation duct being connected to the fan and the other end being connected to the ventilating ground cage, forming the inner ring flow of air inside the flat granary;

[0009] Control device, comprising a box body, a control host, a temperature sensor and a carbon dioxide sensor arranged inside the box body, and a humidity sensor arranged inside the grain pile;

[0010] Among them, the box body is arranged inside the flat granary and located above the surface of the grain pile.

[0011] The utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, comprising: slide rail, the slide rail is vertically arranged in the wall inside the flat-roofed granary;

[0012] Sliding seat, the sliding seat is slidably connected with the slide rail, and the fan is installed on the sliding seat.

[0013] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, the ventilation duct includes first pipeline and second pipeline;

[0014] Wherein, one end of the first pipeline is fixed to the ventilation ground cage, the other end of the first pipeline is sleeved with the second pipeline, and the joint of the first pipeline and the second pipeline is located above the grain heap surface;

[0015] The other end of the second pipeline away from the first pipeline is connected to the fan.

[0016] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, the fan is provided with multiple, and multiple the fan interval arrangement.

[0017] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, comprising:

[0018] Ventilation opening, the ventilation opening is arranged on the wall of the flat-roofed granary;

[0019] Connecting pipe, through the ventilation opening, one end of the connecting pipe is stretched out to the inside of the flat-roofed granary and connected with the ventilation ground cage, and the other end of the connecting pipe is stretched out to the outside of the flat-roofed granary.

[0020] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, one end of the connecting pipe stretched out to the outside of the flat-roofed granary is provided with valve, for opening or closing the connecting pipe.

[0021] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, comprising: alarm, the alarm is arranged in the box body, and the alarm is electrically connected with the control host.

[0022] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, comprising: display, the display is arranged in the box body, for showing temperature, humidity and carbon dioxide concentration.

[0023] According to the utility model provides a kind of inner ring flow temperature control system of flat-roofed granary, the outer surface of the fan and the outer surface of the ventilation duct are provided with heat preservation layer.

[0024] The utility model also provides a kind of flat-roofed granary, including the inner ring flow temperature control system of flat-roofed granary described above.

[0025] The utility model discloses a carbon dioxide sensor and humidity sensor are added in the inner ring flow temperature control system, through monitoring the three aspects of parameter of carbon dioxide concentration, humidity of grain heap, temperature, the opening and closing of fan are cooperatively controlled, thereby can foresee the risk of grain heating, insect damage or mildew, and timely cold air delivery is carried out to control temperature, compared with the fan control of pure monitoring temperature, the utility model combines with the existing grain condition temperature of granary, can more comprehensive reaction the real state of storage grain, is convenient for supervision and management, in addition, the fan can be adjusted height on wall, adapts to the grain heap of different surface height, need not repeatedly dismounting installation operation, has strong flexibility. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description a simple introduction, obviously, the drawing in the following description is some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0027] Figure 1 It is the side view of the flat house granary provided by the utility model;

[0028] Figure 2 It is the plan view of the flat house granary provided by the utility model;

[0029] Figure 3 It is the local enlarged view of the fan;

[0030] Figure 4 It is the schematic diagram of air inner ring flow provided by the utility model.

[0031] Reference signs:

[0032] 1, fan;

[0033] 2, ventilation ground cage;

[0034] 3, ventilation duct;31, first duct;32, second duct;

[0035] 4, control device;41, box;42, control host computer;43, temperature sensor;44, carbon dioxide sensor;45, humidity sensor;46, alarm;47, display;

[0036] 5, slide rail;6, sliding seat;7, ventilation opening;8, connecting pipe;81, valve. DETAILED DESCRIPTION

[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0038] The following is combined Figures 1-2 This invention describes the internal circulation temperature control system for a flat-roofed grain warehouse and the flat-roofed grain warehouse provided in the embodiments of this utility model.

[0039] Figure 1 This is a side sectional view provided by this utility model, such as Figure 1 As shown, this utility model embodiment provides an internal circulation temperature control system for a flat-roofed grain warehouse, comprising:

[0040] Fan 1 is movably installed on the wall inside the flat grain warehouse and located above the surface of the grain pile. The distance between fan 1 and the upper surface of the grain pile can be between 70cm and 90cm, preferably 80cm.

[0041] Ventilation cage 2 is installed on the ground of the flat grain warehouse and located at the bottom of the grain pile. Ventilation cage 2 is a semi-cylindrical shape with the opening facing downward. Ventilation cage 2 is fastened to the ground, and ventilation holes are opened on its contact surface with the grain to allow air to enter the grain pile. Multiple reinforcing rods are arranged at intervals along the length of the interior of ventilation cage 2 to increase the structural strength of ventilation cage 2.

[0042] Ventilation duct 3 passes through the grain pile, with one end of ventilation duct 3 connected to fan 1 and the other end connected to ventilation cage 2. The fan 1 transports the cold air at the bottom of the grain pile to the grain storage space on the surface of the grain pile to cool the surface of the grain pile and the grain storage space, forming an internal circulation of air inside the flat grain storage. Ventilation duct 3 can be made of PVC pipe or lightweight steel sleeve.

[0043] The control device 4 includes a housing 41, a control host 42, a temperature sensor 43 and a carbon dioxide sensor 44 disposed inside the housing 41, and a humidity sensor 45 disposed inside the grain pile, wherein the depth of the humidity sensor 45 in the grain pile can be between 40cm and 60cm, preferably 50cm.

[0044] The container 41 is located inside the flat-roofed grain warehouse and above the surface of the grain pile. Furthermore, the container 41 can be made of stainless steel and is preferably installed on the wall near the grain warehouse door, so as to facilitate the warehouse keeper's inspection.

[0045] Figure 3 This is a partial enlarged view of fan 1 provided by this utility model, as shown below.Figure 3 As shown, an internal circulation temperature control system for a flat-roofed grain warehouse according to an embodiment of this utility model includes: a slide rail 5, which is vertically installed on the wall inside the flat-roofed grain warehouse; a sliding seat 6, which is slidably connected to the slide rail 5; and a fan 1 installed on the sliding seat 6. It should be understood that a locking component is provided between the sliding seat 6 and the slide rail 5, which can lock and limit the sliding seat 6 after it has slid to a suitable position. It should be understood that the flat-roofed grain warehouse is provided with a grain inlet and a personnel inlet. After the grain has been stored, the staff can still enter the grain warehouse through the personnel inlet. At this time, the staff are located above the surface of the grain pile. After entering the grain warehouse, the staff can manually adjust the position of the sliding seat 6 to adjust the height of the fan 1 relative to the surface of the grain pile, adapting to grain piles with different surface heights. There is no need to repeatedly disassemble and install the fan 1, which has strong flexibility.

[0046] Furthermore, in another embodiment of this utility model, a transmission mechanism is also included, which is connected to the sliding seat 6 so that the sliding seat 6 can move on the slide rail 5.

[0047] It should be understood that transmission mechanisms can take many forms:

[0048] The transmission mechanism can be a lead screw, one end of which is connected to the sliding seat 6 and the other end is connected to the motor, thereby providing power to the sliding seat 6 and locking the sliding seat 6 to fix its position. The motor can be fixed to the roof or wall inside the flat grain warehouse.

[0049] The transmission mechanism can also be a chain, with one end connected to the sliding seat 6 and the other end connected to a manual transmission mechanism such as a hand chain hoist. The chain transmits power to the sliding seat 6, and the hand chain hoist has a locking function to fix the position of the sliding seat 6. The hand chain hoist can be installed inside the roof of a flat grain silo or outside the roof of a flat grain silo. If the hand chain hoist is installed outside the roof, a hole needs to be made in the roof so that the chain can pass through the hole, allowing workers to operate it from inside the grain silo or on the roof.

[0050] According to an embodiment of the present invention, an internal circulation temperature control system for a flat grain warehouse is provided. The ventilation duct 3 includes a first duct 31 and a second duct 32. One end of the first duct 31 is fixed to the ventilation cage 2, and the other end of the first duct 31 is sleeved with the second duct 32, so that the second duct 32 can move vertically with the fan 1 without being limited by the length of the ventilation duct 3. The joint between the first duct 31 and the second duct 32 is located above the surface of the grain pile to prevent grain from leaking into the joint. The end of the second duct 32 away from the first duct 31 is connected to the fan 1.

[0051] Furthermore, in another embodiment of this utility model, one end of the ventilation duct 3 is fixed to the ventilation cage 2, and the other end of the ventilation duct 3 adopts a telescopic corrugated pipe, which is corrugatedly connected to the fan 1. It has the characteristic of being able to extend and retract, and can change its length, thereby meeting the vertical movement requirements of the fan 1.

[0052] Figure 2 This is a top view provided by this utility model, as shown below. Figure 2 As shown, according to an embodiment of the present invention, an internal circulation temperature control system for a flat grain warehouse is provided, wherein multiple fans 1 are provided and arranged at intervals, and the number of fans 1 to be turned on can be selected according to actual usage requirements.

[0053] An internal circulation temperature control system for a flat-roofed grain silo, according to an embodiment of this utility model, includes: a ventilation opening 7, which is disposed on the wall of the flat-roofed grain silo, and multiple ventilation openings 7 can be provided; a connecting pipe 8, which passes through the ventilation opening 7, with one end of the connecting pipe 8 extending into the flat-roofed grain silo and connecting to the ventilation cage 2, and the other end of the connecting pipe 8 extending outward from the flat-roofed grain silo; wherein, the extended end can use a flange or other connecting component to connect a blower or an exhaust fan, which is activated when ventilation is required in the grain silo; wherein, when a blower is used, the windows of the grain silo can be closed, but when an exhaust fan is used, the windows of the grain silo need to be kept open.

[0054] According to an embodiment of the present invention, an internal circulation temperature control system for a flat grain warehouse is provided. A valve 81 is provided at one end of the connecting pipe 8 extending to the outside of the flat grain warehouse. The valve 81 is used to open or close the connecting pipe 8. The valve 81 is normally kept closed and is only opened when ventilation is required, and a blower or exhaust fan is connected for ventilation.

[0055] An internal circulation temperature control system for a flat grain warehouse according to an embodiment of the present invention includes: an alarm 46, which is installed inside a housing 41 and electrically connected to a control host 42; wherein, when at least one of the temperature, humidity and carbon dioxide concentration exceeds a preset value, the alarm 46 sounds an alarm, and the control host 42 issues a command to handle the situation; when the above parameters return to normal values, the alarm 46 stops sounding.

[0056] According to an embodiment of this utility model, an internal circulation temperature control system for a flat grain warehouse includes: a display 47, which is installed in the housing 41 and is used to display temperature, humidity, and carbon dioxide concentration. By monitoring the parameters of carbon dioxide concentration and grain pile humidity, the system coordinates the opening and closing of the fan 1, thereby anticipating the risk of grain overheating, pests, or mold, and promptly delivering cold air to control the temperature. Compared with simply monitoring temperature to control the fan 1, this system can more comprehensively reflect the true state of the stored grain, facilitating supervision and management. The warehouse keeper can also conveniently learn about the current state of the grain and the trend of parameter changes through the display 47, and take countermeasures in advance.

[0057] According to an embodiment of the present invention, an internal circulation temperature control system for a flat grain warehouse is provided, wherein the outer surface of the fan 1 and the outer surface of the ventilation duct 3 are both provided with a heat insulation layer.

[0058] Specifically, the purpose of using an insulation layer is to isolate the ambient air inside the grain silo from the cold air inside the fan 1 and ventilation duct 3, to prevent condensation from forming on the surface of the fan 1 and dripping onto the stored grain, and to prevent condensation from forming on the stored grain in contact with the ventilation duct 3, thereby preventing mold growth. It should be understood that the insulation layer can be made of polyurethane foam or other layered materials with insulation effects, requiring good coverage of the fan 1 and ventilation duct 3 and meeting insulation standards.

[0059] This utility model also provides a flat-roofed grain warehouse, including the aforementioned flat-roofed grain warehouse internal circulation temperature control system, which has the function of automatically regulating the temperature inside the warehouse, enabling low-energy low-temperature grain storage, and has good flexibility and economy.

[0060] Figure 4 This is a schematic diagram of the internal air circulation provided by this utility model, as shown below. Figure 4 As shown, in one embodiment of this utility model, the following steps are specifically implemented:

[0061] Before the summer ventilation operation begins, the upper limit temperature value for opening the fan 1 and the lower limit temperature value for closing the fan 1, the carbon dioxide concentration threshold, and the humidity threshold are first set by the control host 42 in the control device 4; the temperature sensor 43, the humidity sensor 45 and the carbon dioxide sensor 44 respectively transmit the corresponding parameters measured in real time to the control host 42.

[0062] First, temperature monitoring: When the temperature inside the silo reaches the upper limit temperature at which the fan 1 is set to turn on, the control host 42 sends a command to the controller of the fan 1, the fan 1 turns on, and the cold air in the ventilation cage 2 at the bottom of the grain silo is transported through the ventilation duct 3 to the grain silo space above the grain pile surface. The temperature of the grain silo space gradually decreases. When the temperature reaches the lower limit temperature at which the fan 1 is turned off, the fan 1 stops working.

[0063] Second, carbon dioxide concentration monitoring: When the real-time concentration of carbon dioxide reaches or exceeds the threshold within a certain period of time, the alarm 46 will sound an alarm, indicating that the upper and lower limit temperature settings for controlling the opening and closing of the fan 1 are unreasonable. At this time, the control host 42 will send a command to the controller of the fan 1, the fan 1 will be turned on, and the upper limit temperature value for the fan 1 to be turned on and the lower limit temperature value for the fan 1 to be turned off will be lowered at the same time.

[0064] Third, humidity detection: When autumn arrives or the atmospheric humidity is high, if the humidity exceeds the threshold for a period of time, the alarm 46 will sound an alarm, indicating that the upper and lower limit temperature settings for controlling the opening and closing of the fan 1 are unreasonable. At this time, the control host 42 will send a command to the controller of the fan 1, the fan 1 will be turned on, and the upper limit temperature value for the fan 1 to be turned on and the lower limit temperature value for the fan 1 to be turned off will be lowered at the same time.

[0065] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An internal circulation temperature control system for a flat-roofed grain warehouse, characterized in that, include: The fan (1) is installed on the wall inside the flat-roofed grain warehouse and is located above the surface of the grain pile; Ventilation cage (2) is installed on the ground of the flat grain warehouse and located at the bottom of the grain pile; Ventilation duct (3) passes through the grain pile, and one end of the ventilation duct (3) is connected to the fan (1) and the other end is connected to the ventilation cage (2) to form an internal circulation of air inside the flat grain warehouse; The control device (4) includes a housing (41), a control host (42), a temperature sensor (43) and a carbon dioxide sensor (44) installed inside the housing (41), and a humidity sensor (45) installed inside the grain pile. The box (41) is located inside the flat-roofed grain warehouse and above the surface of the grain pile.

2. The internal circulation temperature control system for a flat-roofed grain warehouse according to claim 1, characterized in that, include: Slide rail (5), the slide rail (5) is vertically installed on the wall inside the flat-roofed grain warehouse; The sliding seat (6) is slidably connected to the slide rail (5), and the fan (1) is installed on the sliding seat (6).

3. The internal circulation temperature control system for a flat-roofed grain warehouse according to claim 2, characterized in that, The ventilation duct (3) includes a first duct (31) and a second duct (32); Wherein, one end of the first pipe (31) is fixed to the ventilation cage (2), the other end of the first pipe (31) is sleeved with the second pipe (32), and the joint between the first pipe (31) and the second pipe (32) is located above the surface of the grain pile. The end of the second pipe (32) away from the first pipe (31) is connected to the fan (1).

4. The internal circulation temperature control system for a flat-roofed grain warehouse according to claim 3, characterized in that, Multiple fans (1) are provided, and the multiple fans (1) are arranged at intervals.

5. The internal circulation temperature control system for a flat-roofed grain silo according to any one of claims 1-4, characterized in that, include: Ventilation opening (7), the ventilation opening (7) is provided on the wall of the flat grain warehouse; A connecting pipe (8) extends through the ventilation opening (7). One end of the connecting pipe (8) extends into the flat-roofed grain warehouse and connects to the ventilation cage (2). The other end of the connecting pipe (8) extends outward from the flat-roofed grain warehouse.

6. The internal circulation temperature control system for a flat-roofed grain warehouse according to claim 5, characterized in that, A valve (81) is provided at one end of the connecting pipe (8) extending to the outside of the flat grain warehouse, for opening or closing the connecting pipe (8).

7. The internal circulation temperature control system for a flat-roofed grain warehouse according to any one of claims 1-4, characterized in that, include: An alarm (46) is installed inside the housing (41) and is electrically connected to the control host (42).

8. The internal circulation temperature control system for a flat-roofed grain warehouse according to claim 7, characterized in that, include: A display (47) is disposed in the housing (41) for displaying temperature, humidity and carbon dioxide concentration.

9. The internal circulation temperature control system for a flat-roofed grain warehouse according to any one of claims 1-4, characterized in that, Both the outer surface of the fan (1) and the outer surface of the ventilation duct (3) are provided with a heat insulation layer.

10. A single-story grain warehouse, characterized in that, The internal circulation temperature control system for a flat-roofed grain warehouse as described in any one of claims 1-9 above.

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