Material moisture detection device

Abstract

The material moisture detection device comprises a vertical plate, a microwave assembly and a detection host, a cavity is formed in the middle of the vertical plate, two strip-shaped openings are formed in the positions, close to the cavity, of the side wall of the middle of the vertical plate, and clamping plates are connected into the two strip-shaped openings in a sliding mode; and a driving assembly for driving the two clamping plates to move is arranged in the cavity, sliding grooves are formed in the two ends of the vertical plate correspondingly, and an L-shaped plate is slidably connected into each sliding groove. According to the microwave device, the vertical plate is arranged, the sliding grooves are formed in the two ends of the vertical plate, the L-shaped plates are arranged in the sliding grooves, the sliding sleeves are slidably connected to the surfaces of the L-shaped plates in a sleeved mode, and the microwave assemblies are installed on the two sliding sleeves, so that when the microwave device is installed, the specific position of the microwave assemblies can be adjusted by moving the L-shaped plates along the sliding grooves and moving the sliding sleeves along the L-shaped plates; therefore, the installation flexibility of the device is improved, and the detection accuracy can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material moisture detection technical field especially relates to a material moisture detection device. BACKGROUND

[0002] The online microwave moisture meter is a kind of instrument for real-time monitoring the moisture content in material, is widely used in chemical industry, food, pharmaceutical, agriculture and other fields.Microwave technology is used to measure the moisture in material.The working principle is: material passes through microwave resonant cavity, and microwave energy is absorbed by material, and the water molecules in material vibrate under the action of microwave energy, thereby changing the dielectric constant of material.Through measuring the dielectric constant change of material, the moisture content in material can be calculated.

[0003] The above-mentioned microwave moisture meter can be used to detect the moisture in material when conveying belt conveys material, and the moisture detector needs to install microwave transmitting head and microwave receiver on the upper and lower sides of conveying belt respectively when using.But the current detection device needs to punch on the support of conveying belt and then fixed by bolt when installing, and the installation mode is relatively rigid, and it is inconvenient to adjust position and disassemble and overhaul in later period.In addition, the installation position of microwave transmitting head and microwave receiver also cannot be adjusted after being fixed, and the flexibility of use is relatively low, so it needs to be further improved. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a material moisture detection device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a material moisture detection device, including vertical board, microwave assembly and detection host, the middle part of vertical board is equipped with cavity, and two strip-shaped openings are formed in the side wall of the middle part of vertical board and close to the cavity, two The inside of strip-shaped opening is slidably connected with clamping plate, the inside of cavity is equipped with the drive assembly that drives two clamping plates to move, the both ends of vertical board are equipped with sliding slot, the inside of each sliding slot is slidably connected with L-shaped plate, the surface of the one end of L-shaped plate located in the outside of sliding slot is slidably sleeved with sliding sleeve, the microwave assembly includes microwave transmitting head and microwave receiver, and microwave transmitting head and microwave receiver are fixed on the surface of two sliding sleeves respectively, the detection host is fixed on the surface of vertical board, and microwave transmitting head and microwave receiver are connected with detection host through signal line.

[0006] Further, the driving assembly comprises a main shaft penetrating through the side wall of the vertical plate and a bidirectional screw rod rotationally connected with the inner wall of the cavity, the main shaft is rotationally connected with the side wall of the vertical plate through a bearing, the bidirectional screw rod penetrates through and is threadedly connected with the two clamping plates, a worm wheel is fixed in the middle of the bidirectional screw rod, a worm is fixed at one end of the main shaft in the cavity and engages with the worm wheel, and a nut is fixed at the other end of the main shaft outside the vertical plate.

[0007] Further, the two clamping plates are fixedly connected with rubber pads on the adjacent sides.

[0008] Further, the side wall of the sliding groove is penetrated through and threadedly connected with a second locking bolt.

[0009] Further, the side wall of the sliding sleeve is penetrated through and threadedly connected with a first locking bolt.

[0010] Further, the surface of the L-shaped plate at one end outside the sliding groove is provided with scale lines.

[0011] Further, the surface of the sliding sleeve is fixedly connected with a transparent protective shell, and the microwave assembly is arranged in the transparent protective shell.

[0012] The utility model discloses the beneficial effects of the following:

[0013] 1, the utility model discloses when using, a kind of material moisture detection device, vertical plate is set, vertical plate both ends are equipped with sliding groove, sliding groove is equipped with L-shaped plate inside, L-shaped plate surface sliding sleeve is connected with sliding sleeve, two sliding sleeves are installed with microwave assembly, therefore when installing the device, the specific position of microwave assembly can be adjusted by moving L-shaped plate along sliding groove and moving sliding sleeve along L-shaped plate, to improve the flexibility when the device is installed, and then the accuracy of detection can be improved.

[0014] 2, the utility model discloses when using, a kind of material moisture detection device, vertical plate, two clamping plates and driving assembly are set, two clamping plates can be driven to each other by driving assembly Close or away, when installing, two clamping plates can be driven to be clamped on the bracket of the side of conveyer belt, to realize the installation and fixation of the device quickly, and also facilitate later disassembly maintenance. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, without creative labor, according to these drawings, other drawings can also be obtained.

[0016] Figure 1 The overall perspective view of the utility model;

[0017] Figure 2 : the overall sectional view of the utility model;

[0018] Figure 3 : the utility model discloses Figure 2 the enlarged view of A in the middle.

[0019] The reference signs are as follows:

[0020] 1, vertical plate;2, cavity;3, strip-shaped mouth;4, clamping plate;41, rubber pad;5, drive assembly;51, driving shaft;52, worm;53, bidirectional screw;54, worm wheel;6, sliding groove;7, L-shaped plate;8, sliding sleeve;9, microwave assembly;10, first locking bolt;11, scale line;12, transparent protective shell;13, second locking bolt;14, detection host. Specific implementation

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As Figures 1-3 shown, it relates to a kind of material moisture detection devices, including vertical plate 1, microwave assembly 9 and detection host 14, vertical plate 1 middle part is equipped with cavity 2, vertical plate 1 middle part side wall and is close to the place of cavity 2 and is equipped with two strip-shaped mouths 3, two strip-shaped mouths 3 inside are slidably connected with clamping plate 4, cavity 2 inside is equipped with the drive assembly 5 of the movement of two clamping plates 4, vertical plate 1 both ends are equipped with sliding groove 6, each sliding groove 6 inside is slidably connected with L-shaped plate 7, the surface of L-shaped plate 7 at the outside one end of sliding groove 6 is slidably connected with sliding sleeve 8, microwave assembly 9 includes microwave transmitting head and microwave receiver, and microwave transmitting head and microwave receiver are respectively fixed on the surface of two sliding sleeves 8, detection host 14 is fixed on the surface of vertical plate 1, and microwave transmitting head and microwave receiver are connected with detection host 14 by signal line.

[0023] Drive assembly 5 includes driving shaft 51 through the side wall of vertical plate 1 and the bidirectional screw rod 53 rotationally connected with the inner wall of cavity 2, driving shaft 51 is rotationally connected with the side wall of vertical plate 1 by bearing, bidirectional screw rod 53 penetrates two clamping plates 4 and is threadedly connected with two clamping plates 4, bidirectional screw rod 53 middle part is fixed with worm wheel 54, one end of driving shaft 51 in cavity 2 is fixed with worm 52, worm 52 is engaged with worm wheel 54, and one end of driving shaft 51 outside vertical plate 1 is fixed with nut.

[0024] When the screw cap is rotated outside the vertical plate 1, the worm 52 drives the worm gear 54 and the bidirectional screw rod 53 to rotate, and the bidirectional screw rod 53 drives the two clamping plates 4 to move along the strip-shaped opening 3, so that the two clamping plates 4 can be driven to move close to or away from each other by rotating the screw cap in the forward direction or the reverse direction.

[0025] The two clamping plates 4 are fixedly connected with rubber pads 41 on the adjacent sides.

[0026] Therefore, when the device is installed, the two clamping plates 4 can be clamped on the conveyor bracket for fixation, and the rubber pads 41 can increase the friction force, thereby increasing the firmness after installation.

[0027] The second locking bolt 13 is screwed through the side wall of the sliding groove 6.

[0028] By moving the L-shaped plate 7 along the sliding groove 6, the vertical position of the microwave assembly 9 can be changed, and then the L-shaped plate 7 can be fixed by tightening the second locking bolt 13 against the surface of the L-shaped plate 7.

[0029] The first locking bolt 10 is screwed through the side wall of the sliding sleeve 8.

[0030] By moving the sliding sleeve 8 along the L-shaped plate 7, the horizontal position of the microwave assembly 9 can be adjusted, and then the sliding sleeve 8 can be fixed by tightening the first locking bolt 10 against the surface of the L-shaped plate 7.

[0031] The surface of the L-shaped plate 7 at one end outside the sliding groove 6 is provided with a scale line 11.

[0032] When the two sliding sleeves 8 are moved up and down, the scale line 11 can be referred to to make the moving positions of the two sliding sleeves 8 correspond.

[0033] The transparent protective shell 12 is fixed on the surface of the sliding sleeve 8, and the microwave assembly 9 is located inside the transparent protective shell 12.

[0034] The transparent protective shell 12 can protect the microwave assembly 9.

[0035] Working principle: when installing, place two clamping plates 4 on the upper and lower sides of the support of the material conveying belt, then rotate the screw nut on the driving shaft 51 through a wrench, so that the two clamping plates 4 are close to each other and clamped and fixed on the support, thereby realizing the installation of the device, then move the L-shaped plate 7 along the sliding groove 6, and move the sliding sleeve 8 along the L-shaped plate 7, so as to change the positions of the microwave emission head and the microwave receiver of the microwave assembly 9. When working, the microwave measurement detection host 14 transmits different frequency electromagnetic signals to the measured material through the SHF array antenna, and the water molecules as polar molecules absorb part of the electromagnetic energy, and there is a certain linear relationship between the absorbed electromagnetic energy and the number of water molecules. The absorbed electromagnetic signals of different frequencies represent different absorption characteristics of water molecules in the measured material. A series of electromagnetic absorption signal values of different frequencies constitute an absorption spectrum. Then, the water content of the measured material can be accurately calculated by cooperating with the spectrum algorithm and model algorithm (the working principle is the same as the prior art).

[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the technicians in the technical field can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A material moisture detection device, comprising a vertical plate (1), a microwave assembly (9) and a detection host (14), characterized in that: The vertical plate (1) is provided with a cavity (2) in the middle, two strip-shaped openings (3) are arranged in the side wall of the middle of the vertical plate (1) and close to the cavity (2), two clamping plates (4) are slidably connected in the two strip-shaped openings (3), a driving assembly (5) for driving the movement of the two clamping plates (4) is arranged in the cavity (2), a sliding groove (6) is arranged at both ends of the vertical plate (1), an L-shaped plate (7) is slidably connected in each sliding groove (6), a sliding sleeve (8) is slidably connected to the surface of one end of the L-shaped plate (7) which is located outside the sliding groove (6), the microwave assembly (9) comprises a microwave emitting head and a microwave receiver, and the microwave emitting head and the microwave receiver are fixed to the surfaces of the two sliding sleeves (8) respectively, and the detection host (14) is fixed to the surface of the vertical plate (1), and the microwave emitting head and the microwave receiver are connected with the detection host (14) through signal lines.

2. The material moisture detection device of claim 1, wherein: The driving assembly (5) comprises a driving shaft (51) penetrating through the side wall of the vertical plate (1) and a bidirectional screw rod (53) rotatably connected with the inner wall of the cavity (2), the driving shaft (51) is rotatably connected with the side wall of the vertical plate (1) through a bearing, the bidirectional screw rod (53) penetrates through and is threadedly connected with the two clamping plates (4), the bidirectional screw rod (53) is fixedly connected with a worm gear (54) in the middle, one end of the driving shaft (51) located in the cavity (2) is fixedly connected with a worm (52), the worm (52) is engaged with the worm gear (54), and one end of the driving shaft (51) located outside the vertical plate (1) is fixedly connected with a nut.

3. The material moisture detection device of claim 1, wherein: The two clamping plates (4) are fixedly connected with rubber pads (41) on the adjacent sides.

4. The material moisture detection device of claim 1, wherein: The sliding groove (6) is penetrated and threadedly connected with a second locking bolt (13).

5. The material moisture detection device of claim 1, wherein: The sliding sleeve (8) is penetrated and threadedly connected with a first locking bolt (10).

6. The material moisture detection device of claim 1, wherein: The surface of one end of the L-shaped plate (7) located outside the sliding groove (6) is provided with a scale line (11).

7. The material moisture detection device of claim 1, wherein: The surface of the sliding sleeve (8) is fixedly connected with a transparent protective shell (12), and the microwave assembly (9) is located in the transparent protective shell (12).

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