CN210487669U - Grain moisture monitor signal conduction piece mounting structure - Google Patents
Grain moisture monitor signal conduction piece mounting structure Download PDFInfo
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- CN210487669U CN210487669U CN201921032613.8U CN201921032613U CN210487669U CN 210487669 U CN210487669 U CN 210487669U CN 201921032613 U CN201921032613 U CN 201921032613U CN 210487669 U CN210487669 U CN 210487669U
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- support frame
- copper
- signal conduction
- circuit board
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Abstract
The utility model belongs to the technical field of cereal moisture detects technique and specifically relates to a grain moisture monitor signal conduction piece mounting structure, which comprises an outer shell the inside rigid coupling of shell has the support frame, the rigid coupling has printed circuit board on the support frame, the second gear meshes with one of them first gear mutually, the signal conduction subassembly includes integrated into one piece's copper post, shell fragment, copper post, shell fragment set up perpendicularly, the copper post is inserted and is established the cylinder inslot of seting up on the pivot top, the shell fragment end is equipped with the pin, the pin soldering is on printed circuit board, run through on the shell fragment and be equipped with the regulation double-screw bolt, regulation double-screw bolt bottom threaded connection is on the support frame. This device simple structure, it is more convenient that the installation is got up, adopts this kind of signal conduction subassembly, not only effectively improves the stable continuity of signal conduction, and is more firm moreover, makes whole device life longer.
Description
Technical Field
The utility model relates to a cereal moisture detects technical field, especially relates to a grain moisture monitor signal conduction piece mounting structure.
Background
When cereal storage, need detect the inside moisture of cereal, judge the inside moisture content of cereal through the moisture detector, judge whether be fit for the storage, the moisture detector utilizes the mode that resistance produced the size to detect, the principle that the moisture detector detected is: drive two rolling wheels through the motor and rotate, put cereal between two rolling wheels, grind down cereal through rolling wheel, the inside moisture of cereal is extruded, and the circuit between two rolling wheels switches on under the moisture action, and the different resistance variation in size of moisture judges the inside moisture content of cereal through this kind of mode.
Because this device adopts the mode of resistance to judge the moisture content, has very high requirement to the intensity that the signal obtained, not only requires long service life, must obtain accurate current signal moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of inconvenient installation of the grain moisture detection device and inaccurate test in the prior art, and providing a signal conduction piece installation structure of a grain moisture monitor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a signal conducting piece mounting structure of a grain moisture monitor is designed, and comprises a shell, wherein a support frame is fixedly connected inside the shell, a printed circuit board assembly is fixedly connected onto the support frame, a signal output interface and a power supply interface are arranged on the printed circuit board assembly, two vertically arranged rotating shafts are rotatably connected onto the support frame, the bottom ends of the rotating shafts are arranged outside the shell, electrodes are fixedly connected to the bottom ends of the rotating shafts, first gears are fixedly connected to the middle of the rotating shafts and are meshed with the two first gears, the top ends of the rotating shafts are connected with the printed circuit board assembly through the signal conducting assembly, a rotating motor is fixedly connected onto the support frame, a second gear is fixedly connected onto a power output shaft of the rotating motor, and the second gear is meshed with one of the first gears;
the signal conduction assembly comprises an integrally formed copper column and an elastic sheet, the copper column and the elastic sheet are vertically arranged, the copper column is inserted into a cylindrical groove formed in the top end of the rotating shaft, a pin is arranged at the tail end of the elastic sheet and is soldered on the printed circuit board assembly, an adjusting stud penetrates through the elastic sheet, and the bottom end of the adjusting stud is in threaded connection with the supporting frame.
Preferably, the bottom end of the copper pillar is of a hemispherical structure.
Preferably, the diameter of the cylindrical groove at the top end of the rotating shaft is larger than that of the copper cylinder.
Preferably, the copper column and the spring plate are made of copper-chromium alloy materials.
Preferably, the number of the adjusting studs arranged on the elastic sheet is two, one adjusting stud is close to the copper column, the other adjusting stud is close to the pin, a support column is fixedly connected to the support frame, the support column is arranged at the bottom of one end, far away from the copper column, of the elastic sheet, the top end of the support column is in contact with the bottom surface of the elastic sheet, and the adjusting studs close to the pin are in threaded connection with the support column.
The utility model provides a pair of grain moisture monitor signal conduction piece mounting structure, beneficial effect lies in: this device simple structure, it is more convenient that the installation is got up, adopts this kind of signal conduction subassembly, not only effectively improves the stable continuity of signal conduction, and is more firm moreover, makes whole device life longer.
Drawings
Fig. 1 is a schematic structural view of a perspective view of the present invention;
fig. 2 is an isometric view of the present invention;
fig. 3 is a schematic structural diagram of a first signal transmission assembly according to the present invention;
fig. 4 is a schematic structural diagram of a second signal transmission assembly according to the present invention.
In the figure: the device comprises a shell 1, a first gear 2, a support frame 3, a signal transmission assembly 4, an adjusting stud 5, a printed circuit board assembly 6, a rotating motor 7, a rotating shaft 8, an electrode 9, a second gear 10, a pin 11, a copper column 12, an elastic sheet 13 and a support column 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
referring to fig. 1-4, a signal conducting piece mounting structure of a grain moisture monitor is designed, which comprises a shell 1, a support frame 3 is fixedly connected in the shell 1, a printed circuit board assembly 6 is fixedly connected on the support frame 3, the printed circuit board assembly 6 is provided with a signal output interface and a power interface, a signal analyzer is connected to the signal output interface, the signal analyzer analyzes a signal obtained on the printed circuit board assembly 6, and the moisture is judged, meanwhile, for an online moisture detection device, the printed circuit board assembly 6 is quite mature compared with the prior art, such as application number CN201320241116.5, the disclosed online moisture meter with an integrated structure, wherein a related circuit board is also suitable for a circuit board assembly in the application document, and the application document is not repeated;
the support frame 3 is rotatably connected with two vertically arranged rotating shafts 8, the bottom ends of the rotating shafts 8 are arranged outside the shell 1, the bottom ends of the rotating shafts 8 are fixedly connected with electrodes 9, the middle of each rotating shaft 8 is fixedly connected with a first gear 2, the two first gears 2 are meshed, the top ends of the rotating shafts 8 are connected with a printed circuit board assembly 6 through a signal transmission assembly 4, the support frame 3 is fixedly connected with a rotating motor 7, a power output shaft of the rotating motor 7 is fixedly connected with a second gear 10, and the second gear 10 is meshed with one of the first gears 2;
when the device is used, grains are placed between the two electrodes 9, the rotating motor 7 drives the first gear 2 to rotate, the grains are crushed through the two electrodes 9, the circuit between the two electrodes 9 is communicated through moisture in the grains, then the signals are transmitted to the printed circuit board assembly 6 through the signal transmission assembly 4, and the signals are output through the signal output interface, so that the moisture content of the grains is judged;
the signal conducting component 4 comprises a copper column 12 and a spring piece 13 which are integrally formed, the copper column 12 and the spring piece 13 are vertically arranged, the copper column 12 is inserted into a cylindrical groove formed in the top end of the rotating shaft 8, the bottom end of the copper column 12 is of a hemispherical structure, the bottom end of the copper column 12 is in contact with the rotating shaft 8, the electrode 9 transmits a signal to the rotating shaft 8, the rotating shaft 8 transmits the signal to the copper column 12, then the signal is transmitted to the printed circuit board assembly 6 through the elastic sheet 13, the tail end of the elastic sheet 13 is provided with a pin 11, the pin 11 is soldered on the printed circuit board assembly 6, the elastic sheet 13 is provided with an adjusting stud 5 in a penetrating way, the bottom end of the adjusting stud 5 is connected on the supporting frame 3 through a thread, because the elastic sheet 13 has elasticity, the bottom end of the copper column 12 is pressed inside the rotating shaft 8 by screwing the adjusting stud 5, so that the copper column 12 is constantly contacted with the rotating shaft 8, the continuity of signal transmission is ensured, and meanwhile, the installation of the signal transmission component 4 is greatly facilitated.
Because friction can be produced between the rotating shaft 8 and the copper cylinder 12 in the rotating process, the copper cylinder 12 can gradually rotate downwards under the pressure action of the adjusting stud 5, the diameter of the cylindrical groove at the top end of the rotating shaft 8 is larger than that of the copper cylinder 12, the diameter of the cylindrical groove is larger than that of the copper cylinder 12, and the circumferential surface of the copper cylinder 12 is prevented from contacting with the inner circumferential wall of the cylindrical groove.
In order to improve the wear resistance and the electrical conductivity of the device, the copper column 12 and the spring piece 13 are made of copper-chromium alloy materials.
Referring to fig. 4, in order to make the installation of the signal conducting assembly 4 more firm, two adjusting studs 5 are arranged on the elastic sheet 13, one adjusting stud 5 is close to the copper column 12, the other adjusting stud 5 is close to the pin 11, a support column 14 is fixedly connected to the support frame 3, the support column 14 is arranged at the bottom of one end, far away from the copper column 12, of the elastic sheet 13, the top end of the support column 14 is in contact with the bottom surface of the elastic sheet 13, the adjusting stud 5, close to the pin 11, is in threaded connection with the support column 14, one end, close to the pin 11, of the elastic sheet 13 is fixed through the adjusting stud 5 and the support column 14, it is guaranteed that the adjusting stud 5, close to.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A signal conduction piece mounting structure of a grain moisture monitor comprises a shell (1), a support frame (3) is fixedly connected inside the shell (1), a printed circuit board assembly (6) is fixedly connected onto the support frame (3), a signal output interface and a power interface are arranged on the printed circuit board assembly (6), two vertically placed rotating shafts (8) are rotatably connected onto the support frame (3), the bottom ends of the rotating shafts (8) are arranged outside the shell (1), electrodes (9) are fixedly connected onto the bottom ends of the rotating shafts (8), first gears (2) are fixedly connected into the middle of the rotating shafts (8), the two first gears (2) are meshed with each other, the top ends of the rotating shafts (8) are connected with the printed circuit board assembly (6) through signal conduction assemblies (4), rotating motors (7) are fixedly connected onto the support frame (3), and second gears (10) are fixedly connected onto power output shafts of the rotating motors (7), the second gear (10) is meshed with one of the first gears (2);
the signal conduction assembly (4) comprises a copper column (12) and an elastic sheet (13) which are integrally formed, the copper column (12) and the elastic sheet (13) are vertically arranged, the copper column (12) is inserted into a cylindrical groove formed in the top end of the rotating shaft (8), a pin (11) is arranged at the tail end of the elastic sheet (13), the pin (11) is soldered on the printed circuit board assembly (6), an adjusting stud (5) penetrates through the elastic sheet (13), and the bottom end of the adjusting stud (5) is in threaded connection with the support frame (3);
the copper column is characterized in that the bottom end of the copper column (12) is of a hemispherical structure;
adjusting stud (5) that set up on shell fragment (13) are two, one adjusting stud (5) are close to copper post (12), another adjusting stud (5) are close to pin (11), the rigid coupling has support column (14) on support frame (3), the one end bottom of copper post (12) is kept away from in shell fragment (13) is arranged in support column (14), support column (14) top and shell fragment (13) bottom surface contact are close to pin (11) adjusting stud (5) threaded connection is on support column (14).
2. The signal transmission piece mounting structure of the grain moisture monitor as claimed in claim 1, wherein the diameter of the cylindrical groove at the top end of the rotating shaft (8) is larger than that of the copper column (12).
3. The signal transmission piece mounting structure of the grain moisture monitor as claimed in claim 1, wherein the copper pillar (12) and the spring piece (13) are made of copper-chromium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921032613.8U CN210487669U (en) | 2019-07-04 | 2019-07-04 | Grain moisture monitor signal conduction piece mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921032613.8U CN210487669U (en) | 2019-07-04 | 2019-07-04 | Grain moisture monitor signal conduction piece mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210487669U true CN210487669U (en) | 2020-05-08 |
Family
ID=70529616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921032613.8U Active CN210487669U (en) | 2019-07-04 | 2019-07-04 | Grain moisture monitor signal conduction piece mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210487669U (en) |
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2019
- 2019-07-04 CN CN201921032613.8U patent/CN210487669U/en active Active
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