Farmland high-temperature drought stress experiment control system

Abstract

The utility model provides a farmland high temperature drought stress experiment control system which comprises a first vertical frame and a second vertical frame which are arranged on the two sides of a test field, a traction frame and fixing frames are further arranged between the first vertical frame and the second vertical frame, and the fixing frames are sequentially arranged between the traction frame and the second vertical frame. Light-transmitting films are arranged outside the upper portion of the traction frame and the upper portion of the fixing frame, far infrared radiation heaters are arranged on the traction frame and the fixing frame, moving wheels are arranged at the bottom end of the traction frame and the bottom end of the fixing frame, and the traction frame is used for driving the fixing frame to move and driving the light-transmitting films to be folded or unfolded. The light-transmitting films are arranged at the top ends of the first vertical frame and the second vertical frame, the far infrared radiation heaters are installed on the traction frame and the fixing frame, sunlight can be used for warming in sunny days, the light-transmitting films also play a role in shielding rain, the far infrared radiation heaters can be used for warming in cloudy and rainy days, different warming control requirements of farmlands can be met, and the temperature of the farmlands can be increased. And the applicability is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to farmland high temperature stress experiment facility technical field, concretely relates to a kind of farmland high temperature drought stress experiment control system. BACKGROUND

[0002] Developing farmland compound high temperature drought stress control test is an important means to study the influence mechanism of agricultural meteorological disasters.

[0003] Current control test of farmland high temperature stress mainly has active heating method and passive heating method.Active heating method is realized using automatic heating device, and its shortcoming is energy consumption and power consumption.Passive heating method uses open-top (or partial open-top) plastic enclosure heating method, and its shortcoming is that the temperature rising range is affected by sky condition, and the maximum temperature rising range is 5-8 ℃ in sunny noon, but the temperature rising range is smaller in cloudy day, and the temperature rising range is uncontrollable. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a farmland high temperature drought stress experiment control system, which can meet the experimental temperature rising demand under different weather conditions, save energy and protect environment, and can be conveniently folded and stored when not in use, and can be widely applied.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a farmland high temperature drought stress experiment control system, characterized by comprising first stand and second stand arranged on both sides of test field, traction frame and multiple fixing frames are further arranged between the first stand and the second stand, the multiple fixing frames are arranged in sequence between the traction frame and the second stand, light-transmitting film is arranged on the upper part of the traction frame and the upper part of the fixing frame, the light-transmitting film can play a rain-shielding role in rainy day and can transmit light in sunny day, and the sunlight is used to increase the temperature of test field environment, thereby saving energy, remote infrared radiation heater is arranged on the traction frame and the fixing frame, the remote infrared radiation heater is used to assist temperature rising in sunny day and is used as main temperature rising means in cloudy and rainy day, and moving wheel is arranged at the bottom end of the traction frame and the fixing frame, the traction frame is used to drive the fixing frame to move and drive the light-transmitting film to fold or unfold.

[0006] The traction frame drives the fixing frame to move to left in sequence, so that the light-transmitting film is unfolded and covers the test field like a tent, and the traction frame drives the fixing frame to move to right in sequence, so that the light-transmitting film is folded and is stored on the right side of test field.

[0007] Preferably, the outer shape structure of the first stand and the second stand is same, the first stand comprises first stand column and second stand column located on both sides of the first stand column, the top end of the first stand column is higher than the top end of the second stand column, arc-shaped support frame is fixedly connected to the top end of the first stand column and the second stand column, and the light-transmitting film is connected to the arc-shaped support frame at multiple points, so that the light-transmitting film is conveniently folded and unfolded.

[0008] Preferably, the first column top end is fixedly installed with a first sleeve, a lead screw is rotatably installed in the first sleeve, a lead screw nut is fixedly installed on the traction frame, the lead screw nut is threadedly matched with the lead screw, a servo motor is provided outside the first stand, a first belt pulley is fixedly installed on the output shaft end of the servo motor, a second belt pulley is fixedly installed on the outer end of the lead screw, and the first belt pulley and the second belt pulley are drivingly connected through a belt.

[0009] The servo motor can drive the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate, the lead screw is rotated, the lead screw nut moves left and right on the lead screw, and the traction frame moves left and right.

[0010] Preferably, the second column top end is fixedly installed with a guide shaft, the guide shaft is arranged in parallel with the lead screw, sliding sleeves are fixedly installed on both sides of the top end of the traction frame and the fixed frame, and the sliding sleeves are slidingly sleeved on the guide shaft.

[0011] The top end of the fixed frame is also fixedly installed with a sliding sleeve, the sliding sleeve is slidingly sleeved on the lead screw. The top end of the sliding sleeve is also fixedly installed with an arc-shaped support frame, and the light-transmitting film is connected to the arc-shaped support frame at multiple points for supporting the light-transmitting film.

[0012] Preferably, a limiting sliding groove is formed in the left side of the fixed frame and the second stand, a sliding hinge base is slidingly installed in the limiting sliding groove, a fixed hinge base is fixedly installed on the right side of the traction frame and the fixed frame, the sliding hinge base is hingedly connected with the fixed hinge base through a connecting rod, the ends of the connecting rod are respectively hingedly connected with the sliding hinge base and the fixed hinge base, when the traction frame and the fixed frame move left and right, the fixed hinge base can drive the sliding hinge base to slide in the limiting sliding groove through the connecting rod, the traction frame can drive the adjacent fixed frame to move, the fixed frame can drive the adjacent fixed frame to move, and the traction frame can drive all the fixed frames to move left and right.

[0013] Preferably, the bottom end of the limiting sliding groove is higher than the fixed hinge base, which is more conducive to pushing the fixed frame on the right side when the traction frame and the fixed frame move to the right, and prevents the traction frame and the fixed frame from being stuck when moving to the right.

[0014] Preferably, a tension spring is connected to the left side of the traction frame through a mounting ring, a hook is arranged at the end of the tension spring, a hanging ring is arranged on the first stand, and the hook is matched with the hanging ring. When the traction frame moves to the leftmost side, the first stand and the traction frame are connected through the tension spring, the position of the traction frame is fixed, and the position of the fixed frame is also fixed.

[0015] Preferably, the traction frame and the fixing frame are provided with an electric control box electrically connected with the far infrared radiation heater, the electric control box is provided with a control panel and a temperature and humidity sensor, the control panel is used for regulating the power of the far infrared radiation heater, and the temperature and humidity data collected by the temperature and humidity sensor are displayed.

[0016] Preferably, the light-transmitting film is made of polyethylene, and the light-transmitting film covers the upper part of the device and the lower part is used for air circulation.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The utility model discloses a light-transmitting film is arranged at the top of the first stand and the second stand, and the far infrared radiation heater is installed on the traction frame and the fixing frame, so that the sunlight can be utilized for temperature increasing on sunny days, the light-transmitting film also has the function of rainproof, and the far infrared radiation heater can be utilized for temperature increasing on rainy days, so that different temperature increasing control requirements of farmland can be met, and the applicability is good.

[0019] 2. The traction frame and the fixing frame in the utility model can be moved and drive the light-transmitting film to fold or unfold, and after the experiment is finished, the traction frame, the fixing frame and the light-transmitting film can be folded and stored on one side of the test field to reduce the occupied space. DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model.

[0021] Figure 2 It is the connection schematic diagram of the traction frame and the fixing frame in the utility model.

[0022] Figure 3 It is the structural schematic diagram of the first stand in the utility model.

[0023] Figure 4 It is the structural schematic diagram of the fixing frame in the utility model.

[0024] Mark explanation:

[0025] 1 - first stand, 101 - first column, 102 - second column, 103 - first sleeve, 104 - lead screw, 105 - guide shaft, 2 - second stand, 3 - traction frame, 301 - lead screw nut, 302 - tension spring, 4 - fixing frame, 401 - limit sliding groove, 402 - sliding hinge base, 403 - fixed hinge base, 404 - connecting rod, 5 - light-transmitting film, 6 - far infrared radiation heater, 7 - servo motor, 8 - electric control box, 9 - arc-shaped support frame. Specific implementation

[0026] For the above purposes, features and advantages of the present application to be more apparent and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different manners other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific implementation disclosed below.

[0027] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.

[0028] As shown in Figures 1-4 The utility model provides a kind of farmland high temperature drought stress experiment control system, including the first stand 1 and second stand 2 being arranged in test field both sides, the first stand 1 and second stand 2 between still be provided with traction frame 3 and multiple fixed frame 4, multiple the fixed frame 4 is sequentially arranged between traction frame 3 and second stand 2, the upper portion of traction frame 3 and the upper portion of fixed frame 4 are provided with light-transmitting film 5, light-transmitting film 5 can play the role of rain-shelter in rainy day, it can be light-transmitting in sunny day, utilize sunlight to increase temperature to experimental field environment, save energy, traction frame 3 and fixed frame 4 are all provided with far infrared radiation heater 6, far infrared radiation heater 6 is used for auxiliary heating in sunny day, as main heating means in cloudy and rainy day, the bottom end of traction frame 3 and fixed frame 4 is provided with moving wheel, the traction frame 3 is used to drive fixed frame 4 to move, and light-transmitting film 5 is folded or unfolded.

[0029] Traction frame 3 drives fixed frame 4 to move leftwards in sequence, can make light-transmitting film 5 unfold, light-transmitting film 5 is covered in the upper of test field, like tent;Traction frame 3 drives fixed frame 4 to move rightwards in sequence, can make light-transmitting film 5 be folded, and be retracted in the right of test field.

[0030] In this embodiment, the first stand 1 and the second stand 2 have the same outer shape structure, and a light-transmitting film 5 is arranged on the upper part of the outer side of the first stand 1 and the second stand 2, so as to prevent rain from falling into the test field from the side and affecting the experimental effect, the first stand 1 comprises a first stand column 101 and a second stand column 102 located on both sides of the first stand column 101, the top end of the first stand column 101 is higher than the top end of the second stand column 102, and a cross beam can be added between the first stand column 101 and the second stand column 102 for reinforcement, and an arc-shaped support frame 9 is fixedly connected to the top end of the first stand column 101 and the second stand column 102, and the light-transmitting film 5 is connected to the arc-shaped support frame 9 at multiple points, so as to facilitate folding and unfolding of the light-transmitting film 5.

[0031] In this embodiment, the first stand column 101 is fixedly installed with a first sleeve 103, a lead screw 104 is rotatably installed in the first sleeve 103, a lead screw nut 301 is fixedly installed on the traction frame 3, the lead screw nut 301 is threadedly matched with the lead screw 104, a servo motor 7 is arranged outside the first stand 1, a first belt pulley is fixedly installed on the output shaft of the servo motor 7, a second belt pulley is fixedly installed on the outer end of the lead screw 104, and the first belt pulley and the second belt pulley are drivingly connected through a belt.

[0032] The servo motor 7 can drive the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate, so that the lead screw 104 rotates, thereby driving the lead screw nut 301 to move left and right on the lead screw 104, and driving the traction frame 3 to move left and right.

[0033] In this embodiment, the second stand column 102 is fixedly installed with a guide shaft 105, the guide shaft 105 is arranged in parallel with the lead screw 104, the main body structure of the traction frame 3 and the fixed frame 4 is the same, a sliding sleeve is fixedly installed on the top end of the traction frame 3 and the fixed frame 4, and the sliding sleeve is slidingly sleeved on the guide shaft 105.

[0034] The fixed frame 4 is also fixedly installed with a sliding sleeve on the top end, and the sliding sleeve is slidingly sleeved on the lead screw 104.

[0035] The arc-shaped support frame 9 is fixedly installed on the top end of the sliding sleeve, and the light-transmitting film 5 is connected to the arc-shaped support frame 9 at multiple points, so as to support the light-transmitting film 5.

[0036] In this embodiment, the fixed frame 4 and the second stand 2 left side is provided with a limiting sliding groove 401, the limiting sliding groove 401 is slidably connected with a sliding hinge base 402, the traction frame 3 and the fixed frame 4 right side is fixedly connected with a fixed hinge base 403, the sliding hinge base 402 and the fixed hinge base 403 are connected through a connecting rod 404, the connecting rod 404 is connected with the sliding hinge base 402 and the fixed hinge base 403, when the traction frame 3 and the fixed frame 4 move left and right, the fixed hinge base 403 can drive the sliding hinge base 402 to slide in the limiting sliding groove 401 through the connecting rod 404, so that the traction frame 3 can drive the adjacent fixed frame 4 to move, the fixed frame 4 can drive the adjacent fixed frame 4 to move, so that the traction frame 3 can drive all the fixed frame 4 to move left and right.

[0037] In this embodiment, the bottom end of the limiting sliding groove 401 is higher than the fixed hinge base 403, when the traction frame 3 and the fixed frame 4 move right, it is more conducive to push the fixed frame 4 on the right side, preventing the traction frame 3 and the fixed frame 4 from moving right.

[0038] In this embodiment, the traction frame 3 left side is connected with a tension spring 302 through a mounting ring, the tension spring 302 is provided with a hook at the end, the first stand 1 is provided with a hanging ring, the hook cooperates with the hanging ring, when the traction frame 3 moves to the leftmost side, the first stand 1 is connected with the traction frame 3 through the tension spring 302, the position of the traction frame 3 is fixed, and the position of the fixed frame 4 is also fixed.

[0039] In this embodiment, the traction frame 3 and the fixed frame 4 are provided with an electric control box 8 electrically connected with the far infrared radiation heater 6, the electric control box 8 is provided with a control panel and a temperature and humidity sensor, the control panel is used for adjusting the power of the far infrared radiation heater 6, and displaying the temperature and humidity data collected by the temperature and humidity sensor.

[0040] In this embodiment, the light transmission film 5 is made of polyethylene material, the light transmission film 5 covers the upper part of the device, and the lower part is used for air circulation.

[0041] In use, the servo motor 7 is started, the servo motor 7 drives the first pulley to rotate, the second pulley is driven to rotate by the first pulley, the lead screw 104 is rotated, so that the lead screw nut 301 moves left on the lead screw 104, and the traction frame 3 moves left.

[0042] The traction frame 3 can drive the adjacent fixed frame 4 to move left, the fixed frame 4 can drive the fixed frame 4 on the right side to move left, so that the traction frame 3 can drive all the fixed frame 4 to move left. Until the traction frame 3 moves to the leftmost side, the first stand 1 is connected with the traction frame 3 through the tension spring 302, the position of the traction frame 3 is fixed, and the position of the fixed frame 4 is also fixed.

[0043] At this time, the interval between the fixed frame 4 is same, the light transmission film 5 is completely unfolded.

[0044] In sunny days, the sunlight can be used to increase the temperature of the experimental field, saving energy, and the far infrared radiation heater 6 is used to assist the temperature increase in sunny days, and is used as the main temperature increasing means in rainy days.

[0045] Meanwhile, according to the different day and night environment temperature, the power of the far infrared radiation heater 6 can be adjusted to meet the experimental requirements.

[0046] After the experiment, the servo motor 7 can be started to drive the traction frame 3 to move to the right, and the light transmission film is folded and stored. The above is only the preferred embodiment of the present application, and does not limit the present application. Any simple modification, change and equivalent change of the above embodiment according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. An agricultural field high temperature drought stress experiment control system, characterized in that, The utility model provides a kind of movable foldable light-transmitting film, including the first stand (1) and the second stand (2) being arranged in the test field two sides, the first stand (1) and the second stand (2) between further be provided with traction frame (3) and multiple fixed frame (4), multiple the fixed frame (4) is sequentially arranged between traction frame (3) and the second stand (2), the upper portion of traction frame (3) and the upper portion of fixed frame (4) are provided with light-transmitting film (5), traction frame (3) and fixed frame (4) are all provided with far infrared radiation heater (6), the bottom of traction frame (3) and fixed frame (4) is provided with moving wheel, traction frame (3) is used to drive fixed frame (4) to move, and light-transmitting film (5) is folded or unfolded.

2. The farmland high temperature and drought stress experiment control system according to claim 1, characterized in that, The first stand (1) and the second stand (2) are the same in shape structure, the first stand (1) includes the first column (101) and the second column (102) located on both sides of the first column (101), the top of the first column (101) is higher than the top of the second column (102), the top of the first column (101) and the second column (102) is fixedly connected with the arc-shaped support frame (9), and the light-transmitting film (5) is connected with the arc-shaped support frame (9). 3.The farmland high-temperature and drought stress experiment control system according to claim 2, characterized in that, The first column (101) is fixedly installed with the first sleeve (103) at the top, the lead screw (104) is rotatably installed in the first sleeve (103), the lead screw nut (301) is fixedly installed on the traction frame (3), the lead screw nut (301) is threadedly connected with the lead screw (104), and the servo motor (7) is arranged outside the first stand (1). The output shaft of the servo motor (7) is in transmission connection with the lead screw (104).

4. The farmland high-temperature drought stress experiment control system according to claim 3, characterized in that, The second column (102) is fixedly installed with the guide shaft (105) at the top, the guide shaft (105) is arranged in parallel with the lead screw (104), and the sliding sleeve is fixedly installed on both sides of the top of the traction frame (3) and the fixed frame (4). The sliding sleeve is slidably sleeved on the guide shaft (105).

5. The farmland high-temperature drought stress experiment control system according to claim 4, characterized in that, The top of the sliding sleeve is also fixedly connected with the arc-shaped support frame (9), and the light-transmitting film (5) is connected with the arc-shaped support frame (9).

6. The farmland high-temperature drought stress experiment control system according to claim 3, characterized in that, The fixed frame (4) and the second stand (2) are provided with the limiting sliding groove (401) on the left side, the sliding hinge base (402) is slidably installed in the limiting sliding groove (401), the fixed hinge base (403) is fixedly installed on the right side of the traction frame (3) and the fixed frame (4), and the sliding hinge base (402) is hingedly connected with the fixed hinge base (403) through the connecting rod (404).

7. The farmland high-temperature drought stress experiment control system according to claim 6, characterized in that, The bottom of the limiting sliding groove (401) is higher than the fixed hinge base (403). 8.The farmland high-temperature and drought stress experiment control system according to claim 1, characterized in that, The traction frame (3) is connected with the tension spring (302) through the mounting ring on the left side, the hook is arranged at the end of the tension spring (302), the hanging ring is arranged on the first stand (1), and the hook is matched with the hanging ring.

9. The farmland high-temperature drought stress experiment control system according to claim 1, characterized in that, The electric control box (8) electrically connected with the far infrared radiation heater (6) is arranged on the traction frame (3) and the fixed frame (4), and the control panel and the temperature and humidity sensor are arranged on the electric control box (8).

10. The farmland high-temperature drought stress experiment control system according to claim 1, characterized in that, The light-transmitting film (5) is made of polyethylene.

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