CN212432881U - Film pressing frame for detecting dripping performance of agricultural film and detection equipment thereof - Google Patents
Film pressing frame for detecting dripping performance of agricultural film and detection equipment thereof Download PDFInfo
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- CN212432881U CN212432881U CN202021230421.0U CN202021230421U CN212432881U CN 212432881 U CN212432881 U CN 212432881U CN 202021230421 U CN202021230421 U CN 202021230421U CN 212432881 U CN212432881 U CN 212432881U
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Abstract
The utility model discloses a plastic film pressing frame and check out test set for agricultural film dripping performance detection belongs to agricultural film check out test set technical field. Wherein, press mold frame includes: pressing a membrane ring; the two ends of the supporting plate are fixed on the film pressing ring, and a first channel is formed in the supporting plate; the pressing rod penetrates through the center of the supporting plate, and a second channel is formed in the pressing rod; the shielding structure comprises a fan-shaped shielding piece, the bottom of the shielding piece is arranged at the bottom of the second channel, and the upper part of the shielding piece penetrates through the second channel. The detection device includes: the device comprises a shell, a water bath box, a camera and a temperature adjusting unit. The utility model discloses a plastic film pressing frame for agricultural film dripping performance detection and check out test set thereof adopts two cameras clear record respectively to shelter from the water droplet formation and the motion state of the agricultural film internal surface of structure both sides, and the record of making a video recording is clear, accurate, comprehensive, and the inside and outside temperature of agricultural film sample is all adjustable moreover, makes the actual canopy effect of detaining that the testing process is close agricultural film more.
Description
Technical Field
The utility model relates to a plastic film pressing frame and check out test set for agricultural film dripping performance detection belongs to agricultural film check out test set technical field.
Background
With the continuous development of agricultural technology, the planting area of the greenhouse is larger and larger, the using amount of the agricultural film is increased in a stepwise mode every year, and the growth condition of crops in the greenhouse is closely related to performance indexes such as light transmittance and dripping property of the agricultural film. The dripping performance of the agricultural film comprises the initial dripping performance, the dripping effect, the dripping duration and the like. When the dripping performance of the agricultural film fails, the transmittance and the heat preservation performance of the agricultural film are reduced, so that the illumination intensity, the temperature and the humidity of the greenhouse are reduced, and the growth of crops is influenced.
At present, equipment for detecting the dripping performance of the agricultural film on the market is relatively backward, and cannot well simulate the natural environment and the environment in a greenhouse, so that the detection data and the actual effect are greatly different. For example, the detection device in the market at present mainly buckles a film on a water bath for measurement, and only can simply adjust the water bath temperature during measurement, and cannot simulate the ambient temperature outside a shed, so that the detection result is inconsistent with the actual shed buckling effect. Moreover, at present, the initial dripping time of the agricultural film is recorded and still observed by manual counting, the accuracy of measurement is difficult to ensure by manual observation when a plurality of water baths are measured simultaneously, especially, the whole dripping performance detection process lasts for several days, and the current manual counting observation means is difficult to meet the use requirements. Therefore, a new agricultural film dripping performance detection device is needed to solve the above problems.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that prior art exists, provide a plastic film frame for agricultural film flowing and dripping performance detects and check out test set thereof, can make the actual canopy effect of detaining that the testing process is close agricultural film more, can be clear, accurate, comprehensive, whole formation and the motion condition of recording agricultural film internal surface water droplet, be suitable for the flowing and dripping performance of batchization detection agricultural film.
The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:
on the one hand, the utility model provides an agricultural film flows and drips performance detection and uses film pressing frame, include:
pressing a membrane ring;
the supporting plate extends along the diameter of the film pressing ring, two ends of the supporting plate are fixed on the film pressing ring, a first channel is formed in the supporting plate, and the first channel and the supporting plate extend in the same direction;
the pressing rod penetrates through the center of the supporting plate and is perpendicular to the film pressing ring and the supporting plate, a second channel is formed in the pressing rod, and the second channel and the pressing rod extend in the same direction;
the shielding structure comprises a fan-shaped shielding piece, the bottom of the shielding piece is arranged at the bottom of the second channel, and the upper portion of the shielding piece penetrates through the second channel and the two side edges of the shielding piece are lapped at the two ends of the first channel.
Optionally, the pressure lever is in threaded connection with the support plate.
Optionally, the bottom of the pressure lever is a hemispherical surface.
Optionally, the shielding structure further includes:
two sides of the shielding piece are respectively connected with the two fan ribs;
and the two ends of the pin shaft are respectively fixed on the two side walls of the second channel, and the bottoms of the two fan ribs are respectively and rotatably connected to the pin shaft.
Optionally, the shielding piece has an organ-shaped structure folded and unfolded along the extending direction of the first channel.
On the other hand, the utility model also provides an adoption the plastic film pressing frame's check out test set is used in the performance detection that agricultural film flows to drip, this check out test set still includes:
a housing separating a first chamber and a second chamber therein;
the water bath tank is arranged in the first cavity, a plurality of film buckling openings are formed in the top of the water bath tank, the film pressing frame is buckled on the film buckling openings, and an electric heater is arranged in the water bath tank;
the cameras are arranged in the first cavity, two cameras are arranged above each film buckling opening, and the two cameras are respectively positioned on two sides of the shielding structure and face the film buckling openings;
and the temperature adjusting unit is arranged in the second chamber and is used for adjusting the air temperature of the first chamber.
Optionally, the first chamber is provided with a transparent cover window which can be opened and closed.
Optionally, a lighting lamp is further disposed in the first cavity.
Optionally, the bottom of the casing is provided with a roller.
Optionally, a transparent glass cover is arranged on the outer side of the camera.
Benefits of the present application include, but are not limited to:
according to the film pressing frame for detecting the dripping performance of the agricultural film and the detection equipment thereof, the camera is used for recording the water drop forming and moving states of the inner surface of the agricultural film sample, manual work is avoided, the problem of unclear identification or wrong identification is avoided, and the detection precision is improved; the upper area of the conical agricultural film sample is divided into two parts by arranging the shielding structure in the film pressing frame, and the two cameras are adopted to clearly record the water drop formation and motion states of the inner surfaces of the agricultural films on the two sides of the shielding structure respectively, so that the problem that the cameras are difficult to distinguish due to the fact that the agricultural film samples on the two sides are superposed and shot is avoided, and the formation and motion conditions of the water drops on the inner surfaces of the agricultural films can be clearly, accurately, comprehensively and completely recorded; the temperature inside and outside the agricultural film sample can be adjusted, so that the detection process is closer to the actual greenhouse buckling effect of the agricultural film, and the agricultural film sample drip performance detection device is suitable for batch detection of agricultural films.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a film pressing frame for detecting dripping performance of an agricultural film provided by the present application;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic top view of the pressure ring and support plate of the present application;
FIG. 6 is a schematic perspective view of a compression bar and a pin shaft according to the present application;
FIG. 7 is a schematic structural diagram of a detection device for detecting drip performance of an agricultural film provided by the present application;
FIG. 8 is a schematic side view of the film frame and camera of the present application;
in the figure, 110, a film pressing ring; 120. a support plate; 121. a first channel; 130. a pressure lever; 131. a second channel; 141. a shielding sheet; 142. a fan framework; 143. a pin shaft; 200. a housing; 210. a first chamber; 211. a transparent cover window; 212. an illuminating lamp; 220. a second chamber; 230. a roller; 300. a water bath tank; 310. buckling a membrane opening; 400. an electric heater; 500. a camera; 600. a temperature adjusting unit.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein. Accordingly, the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1-6, in one aspect, the present application provides a film pressing frame for detecting drip performance of an agricultural film, which includes a film pressing ring 110, a supporting plate 120, a pressing rod 130 and a shielding structure, wherein the film pressing ring 110 is in a ring shape and is used for pressing an edge of an agricultural film sample on a film buckling opening 310, the pressing rod 130 is used for pressing a center of the agricultural film sample downward so that the agricultural film forms an included angle with a horizontal plane, and the supporting plate 120 is used for fixing the pressing rod 130 on the film pressing ring 110.
The agricultural film is transparent and shows a conical shape under the pressing of the pressing rod 130, so when the camera 500 is used for shooting the water drop formation and movement states on the inner surface of the agricultural film sample, the agricultural film samples on two sides can be shot in an overlapping mode, the shooting is not clear, and the state of the water drop cannot be accurately observed. Consequently, set up the shelter from structure in the pressure membrane frame that this application provided, separated the plastic film sample for two regions through the shelter from structure, the plastic film sample forms and the motion state through the water droplet of a camera 500 record plastic film internal surface respectively in every region, and the plastic film sample of both sides can not mutual interference.
Referring to fig. 2 and 6 again, specifically, the supporting plate 120 extends along the diameter of the film pressing ring 110, and both ends of the supporting plate are fixed on the film pressing ring 110, the supporting plate 120 is provided with a first channel 121, and the first channel 121 and the supporting plate 120 extend in the same direction; the pressing rod 130 penetrates through the center of the supporting plate 120 and is perpendicular to the film pressing ring 110 and the supporting plate 120, a second channel 131 is formed in the pressing rod 130, and the second channel 131 extends in the same direction as the pressing rod 130. Specifically, referring again to fig. 3, the shielding structure comprises a fan-shaped shielding piece 141, and the fan-shaped shielding piece 141 is adapted to the section of the conical area on the upper part of the agricultural film. The bottom of the shielding sheet 141 is disposed at the bottom of the second channel 131, the upper portion of the shielding sheet 141 passes through the second channel 131, and both side edges of the shielding sheet 141 overlap both ends of the first channel 121. By the arrangement, the shielding piece 141, the supporting plate 120, the pressing rod 130 and other structures can be in close vertical planes, the shielding piece 141 can extend in the first channel 121 and the second channel 131, shielding of the agricultural film sample is reduced to the maximum extent, and the two cameras 500 can shoot all areas of the agricultural film sample together.
Further, in order to adjust the inclination angle of the agricultural film sample, the pressing rod 130 may be configured to be in threaded connection with the supporting plate 120, and the distance between the bottom of the pressing rod 130 and the agricultural film sample is adjusted by rotating the pressing rod during operation, so as to adjust the inclination angle of the agricultural film sample. Specifically, an internal threaded hole is formed in the middle of the support plate 120, and an external thread is formed on the surface of the pressing rod 130, and the two are connected through a thread.
Furthermore, in order to enable the shielding piece 141 to adapt to different inclination angles of the agricultural film, two sides of the agricultural film are fully shielded and separated, the shielding structure further comprises two fan ribs 142, and two sides of the shielding piece 141 are respectively connected with the two fan ribs 142; in addition, a pin 143 is disposed at the bottom of the second channel 131, two ends of the pin 143 are respectively fixed on two sidewalls of the second channel 131, and bottoms of the two fan ribs 142 are respectively rotatably connected to the pin 143. With the arrangement, the fan ribs 142 can rotate around the pin shafts 143 to adjust the unfolding angle of the shielding sheets 141, so that the shielding sheets are suitable for different inclination angles of the agricultural film samples. After the two fan ribs 142 are unfolded at different inclination angles along with the shielding sheet 141, the outer sides of the upper portions of the fan ribs 142 overlap both ends of the first channel 121.
Further, in order to enable the shielding sheet 141 to be unfolded at different unfolding angles, the shielding sheet 141 is preferably in an accordion structure that can be folded and unfolded in the extending direction of the first passage 121.
In practical application, when the shielding piece 141 is in a storage state, the film pressing frame is firstly buckled on the film buckling opening 310, the position of the pressing rod 130 is adjusted according to the inclination angle of the agricultural film sample, and then the shielding piece 141 is unfolded. During product manufacturing, the positions of the pressure levers 130 corresponding to the inclination angles (15 degrees and 30 degrees) of the common agricultural films are estimated in advance, so that the first channel 121 and the second channel 131 can correspond to each other in a vertical plane, and the shielding sheets 141 can be smoothly unfolded.
Further, in order to prevent the pressure bar 130 from damaging the agricultural film sample, the bottom of the pressure bar 130 is preferably provided with a smooth semi-spherical surface.
On the other hand, referring to fig. 7, the utility model also provides an adopt agricultural film to flow to drip performance detection with press mold frame's check out test set, this check out test set still includes casing 200, separates first cavity 210 and second cavity 220 in the casing 200. The water bath tank 300 is arranged in the first chamber 210, the top of the water bath tank 300 is provided with a plurality of film buckling openings 310, the film pressing frame is buckled on the film buckling openings 310, the electric heater 400 is arranged in the water bath tank 300, and the electric heater 400 is used for heating water in the water bath tank 300 and can test the dripping performance of the agricultural film at different temperatures. It can be understood that in order to ensure the working safety of the equipment, a water level sensor and a water temperature sensor can be arranged in the water tank.
In order to record the water drop formation and movement state of the inner surface of the agricultural film sample in the whole process, referring to fig. 8, a camera 500 is required to be arranged in the first chamber 210, two cameras 500 are arranged above each film buckling opening 310, and the camera 500 has the functions of shooting and time recording. Two cameras 500 are located the both sides of sheltering from the structure respectively and towards detaining membrane mouth 310, and two cameras 500 work together and can shoot the whole region of plastic sheeting for farm use sample. Specifically, the camera 500 is suspended within the housing 200 by a bracket.
In order to simulate the use condition of the agricultural film under different outdoor environment temperatures, the temperature adjusting unit 600 is arranged in the second chamber 220 for adjusting the air temperature of the first chamber 210, and the temperature adjusting unit 600 is the same as the air conditioning principle and is not repeated herein.
In a preferred embodiment, in order to facilitate the observation of the operation of the equipment in the cabinet 200, a transparent cover window 211 is provided in a partial region of the first chamber 210.
Further, in order to ensure that the camera 500 can work smoothly at night, an illumination lamp 212 is further disposed in the first chamber 210.
In a preferred embodiment, in order to facilitate the movement of the detection apparatus, a roller 230 may be provided at the bottom of the housing 200.
In a preferred embodiment, the outside of the camera 500 is provided with a transparent glass cover to prevent moisture from entering and damaging the camera 500.
The application provides a check out test set's use as follows:
1) injecting clear water into the water bath tank 300, switching on a power supply, and adjusting the electric heater 400 to ensure that the water temperature is kept at 55 ℃ or 60 ℃;
2) cutting the agricultural film into a circular agricultural film sample, and then buckling the agricultural film sample on a film buckling opening 310;
3) the film pressing ring 110 of the film pressing frame is positioned above the film pressing opening, and the film pressing frame is buckled on the agricultural film by moving downwards;
4) adjusting the position of the pressure lever 130, pressing the center of the agricultural film sample through the pressure lever 130 to move downwards to enable the agricultural film sample to reach a required inclination angle, adjusting the tightness of the thin film to be suitable for fixing the position of the film pressing frame, and enabling the agricultural film sample to form a closed environment with the water bath box 300 at a certain angle;
5) a shielding structure in the film pressing frame is unfolded, and the area above the agricultural film sample is divided into two parts by a shielding sheet 141;
6) the cameras 500 are opened, the transparent cover window 211 is closed, the temperature adjusting unit 600 is started, the temperature in the first chamber 210 is set, and the two cameras 500 record the water drop forming and moving states, such as the initial dropping time and the fluid dropping duration time, of the inner surfaces of the agricultural film samples on the two sides of the shielding structure respectively.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above-mentioned specific embodiments can not be regarded as the restriction to the protection scope of the present invention, to the technical personnel in this technical field, it is right that any replacement improvement or transformation that the embodiment of the present invention made all fall within the protection scope of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (10)
1. The utility model provides an agricultural film flows and drips performance detection and uses press mold frame which characterized in that includes:
pressing a membrane ring;
the supporting plate extends along the diameter of the film pressing ring, two ends of the supporting plate are fixed on the film pressing ring, a first channel is formed in the supporting plate, and the first channel and the supporting plate extend in the same direction;
the pressing rod penetrates through the center of the supporting plate and is perpendicular to the film pressing ring and the supporting plate, a second channel is formed in the pressing rod, and the second channel and the pressing rod extend in the same direction;
the shielding structure comprises a fan-shaped shielding piece, the bottom of the shielding piece is arranged at the bottom of the second channel, and the upper portion of the shielding piece penetrates through the second channel and the two side edges of the shielding piece are lapped at the two ends of the first channel.
2. A film pressing frame for detecting agricultural film dripping performance according to claim 1, wherein the pressing rod is in threaded connection with the supporting plate.
3. A film pressing frame for detecting the dripping performance of an agricultural film according to claim 1, wherein the bottom of the pressing rod is a hemispherical surface.
4. A film pressing frame for detecting agricultural film dripping performance according to claim 1, wherein the shielding structure further comprises:
two sides of the shielding piece are respectively connected with the two fan ribs;
and the two ends of the pin shaft are respectively fixed on the two side walls of the second channel, and the bottoms of the two fan ribs are respectively and rotatably connected to the pin shaft.
5. A film pressing frame for detecting agricultural film dripping performance according to claim 1, wherein the shielding sheet has an accordion structure folded and unfolded along the extending direction of the first channel.
6. A detection device adopting the film pressing frame for detecting the dripping performance of the agricultural film as defined in any one of claims 1 to 5, further comprising:
a housing separating a first chamber and a second chamber therein;
the water bath tank is arranged in the first cavity, a plurality of film buckling openings are formed in the top of the water bath tank, the film pressing frame is buckled on the film buckling openings, and an electric heater is arranged in the water bath tank;
the cameras are arranged in the first cavity, two cameras are arranged above each film buckling opening, and the two cameras are respectively positioned on two sides of the shielding structure and face the film buckling openings;
and the temperature adjusting unit is arranged in the second chamber and is used for adjusting the air temperature of the first chamber.
7. A test device according to claim 6, wherein the first chamber is provided with a transparent cover window which can be opened and closed.
8. The inspection apparatus of claim 6, wherein an illumination lamp is further disposed within the first chamber.
9. The inspection apparatus of claim 6, wherein the bottom of the housing is provided with rollers.
10. A detection device according to claim 6, characterised in that the outside of the camera is provided with a transparent glass cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021230421.0U CN212432881U (en) | 2020-06-29 | 2020-06-29 | Film pressing frame for detecting dripping performance of agricultural film and detection equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021230421.0U CN212432881U (en) | 2020-06-29 | 2020-06-29 | Film pressing frame for detecting dripping performance of agricultural film and detection equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212432881U true CN212432881U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021230421.0U Active CN212432881U (en) | 2020-06-29 | 2020-06-29 | Film pressing frame for detecting dripping performance of agricultural film and detection equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212432881U (en) |
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2020
- 2020-06-29 CN CN202021230421.0U patent/CN212432881U/en active Active
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