CN220136485U - Waterproof weighing transmitter - Google Patents
Waterproof weighing transmitter Download PDFInfo
- Publication number
- CN220136485U CN220136485U CN202320910591.0U CN202320910591U CN220136485U CN 220136485 U CN220136485 U CN 220136485U CN 202320910591 U CN202320910591 U CN 202320910591U CN 220136485 U CN220136485 U CN 220136485U
- Authority
- CN
- China
- Prior art keywords
- weighing
- transmitter body
- weighing transmitter
- waterproof
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 78
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 27
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 8
- 238000012546 transfer Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to the technical field of weighing transmitters, and discloses a waterproof weighing transmitter which comprises a weighing transmitter body, wherein a sealing end cover is fixedly arranged on the top surface of the weighing transmitter body through a set screw, when a thermocouple pair formed by connecting an N-type semiconductor material and a P-type semiconductor material is arranged in a semiconductor refrigerating sheet, and current flows through the thermocouple pair, heat transfer is generated between the two ends, the heat is transferred from one end to the other end, so that a temperature difference is generated to form a cold end, a conducting plate adsorbs heat generated by operation of components and communication cables in the weighing transmitter body, the adsorbed heat is transferred to a heat dissipation and temperature reduction plate through the semiconductor refrigerating sheet, so that the heat dissipation of the adsorbed heat is facilitated, the influence of the excessive temperature in the weighing transmitter body on the components and the communication cables is avoided as much as possible, and the service life of the components and the communication cables is prolonged.
Description
Technical Field
The utility model belongs to the technical field of weighing transmitters, and particularly relates to a waterproof weighing transmitter.
Background
The weighing transducer is also called as a weight transducer, is a transducer which converts physical quantity into an electric signal, converts a sensor outputting millivolt signals into standard direct current signals through isolation and amplification, is generally manufactured by adopting an SMT process and is designed and manufactured for resistance strain type signal sensors of industrial processes, and is suitable for weighing sensors with different specifications.
The utility model patent with publication number of CN204944661U discloses a waterproof digital weighing transmitter, which comprises a shell, wherein a power module, an analog sampling module, a communication module and a circuit board are arranged in the shell, the circuit board is fixedly arranged in the shell, the analog sampling module and the communication module are arranged on the circuit board, the analog sampling module is connected with the communication module, a signal input interface and a signal output interface are arranged on the shell, the signal input interface is connected with the analog sampling module, the analog sampling module receives external signals through the signal input interface, the signal output module is connected with the communication module, the communication module transmits signals to the outside through the signal output interface, a waterproof connector is arranged on the shell, and the power module supplies power for the whole equipment. The utility model has high precision, simple operation, automatic calibration and high resolution, and can effectively prevent moisture.
In the process of realizing the utility model, the technology has the following problems that the device realizes automatic calibration through adjusting the potentiometer, has high resolution and high precision, is convenient to adjust, completes the data calculation and processing process in the equipment, is connected by utilizing the signal output interface in a communication mode, has long distance and large quantity, has various and flexible quick selection modes, but the signal input interface and the signal output interface of the device are arranged in the upper shell and the lower shell, the upper shell and the lower shell adopt closed designs for ensuring the waterproof performance, the signal input interface and the signal output interface are connected with communication cables, and the connection of more communication cables can lead the inside of the upper shell and the lower shell to generate certain temperature.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the signal input interface and the signal output interface of the device are all installed inside the upper shell and the lower shell, the upper shell and the lower shell adopt a closed design for guaranteeing the waterproof performance, but the signal input interface and the signal output interface are connected with communication cables, the connection of more communication cables can enable the inside of the upper shell and the lower shell to generate certain temperature, and the upper shell and the lower shell are relatively closed, so that the temperature cannot be timely discharged, and the electronic components and the communication cables of the inner installation of the upper shell and the lower shell can be damaged.
The technical scheme adopted by the utility model is as follows: the utility model provides a waterproof weighing transmitter, includes weighing transmitter body, the top surface of weighing transmitter body has sealing end cap through the screw fixed mounting that sets up, weighing transmitter body's inside bottom surface fixed mounting has the circuit board main part, just the top surface fixed mounting of circuit board main part has signal interface terminal, the fixed mounting has the heat dissipation cooling board is worn to establish respectively to weighing transmitter body's left and right sides, the heat dissipation cooling board is located weighing transmitter body's inside one side has the conducting plate through the bolt fixed mounting who sets up, the heat dissipation cooling board with be provided with semiconductor refrigeration piece between the conducting plate.
In a preferred embodiment, four storage screens are fixedly mounted at the inner corners of the weighing transmitter body, and the four storage screens are filled with drying agents.
In a preferred embodiment, a protective casing is fixedly mounted on the left side and the right side of the weighing transmitter body, which are located on the side of the heat dissipation and cooling plate, and a ventilation grid is fixedly mounted on one side of the protective casing.
In a preferred embodiment, the front end and the rear end of the weighing transmitter body are respectively fixedly provided with a waterproof connector.
In a preferred embodiment, the front end and the rear end of the weighing transmitter body are close to the bottom and are respectively fixedly provided with a fixing plate, and the top surfaces of the fixing plates are provided with a plurality of fixing holes.
In a preferred embodiment, a sealing gasket is fixedly arranged on the top surface of the weighing transmitter body, and the sealing gasket is positioned between the junction of the weighing transmitter body and the sealing end cover.
In a preferred embodiment, the mesh grid is 300 mesh in size.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, by adopting the scheme, when components and parts mounted in the weighing transmitter body and the communication cable run to generate heat, the heating end is attached to one side of the heat dissipation and cooling plate through the attached heating end of the semiconductor refrigerating plate, when electric current passes through the thermocouple pair formed by connecting an N-type semiconductor material and a P-type semiconductor material in the semiconductor refrigerating plate, heat transfer is generated between the two ends, the heat is transferred from one end to the other end, so that a temperature difference is generated to form a cold end, the heat generated by running the components and parts in the weighing transmitter body and the communication cable is absorbed by the heat dissipation and cooling plate through the semiconductor refrigerating plate, the absorbed heat is conveniently dissipated through one end of the heat dissipation and cooling plate extending to the outside of the weighing transmitter body, the influence of the excessive temperature in the weighing transmitter body on the components and the communication cable is avoided as much as possible, and the service life of the components and the communication cable is prolonged.
2. According to the utility model, due to the adoption of the scheme, through the arranged storage screen plate, a user can conveniently fill the drying agent in the storage screen plate, and through the arranged drying agent, the drying treatment of the gas in the weighing transmitter body is facilitated, so that the influence of excessive moisture in the weighing transmitter body on components is avoided as much as possible, and the practicability is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is an exploded view of a portion of the structure of the present utility model.
The marks in the figure: 1. a weighing transducer body; 2. sealing the end cover; 3. a circuit board main body; 4. a signal interface terminal; 5. a heat radiation cooling plate; 6. a conductive plate; 7. a semiconductor refrigeration sheet; 8. storing the screen plate; 9. a protective housing; 10. a ventilation style grid; 11. waterproof connector; 12. a fixing plate; 13. a fixing hole; 14. and a sealing gasket.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1, 2 and 3, a waterproof weighing transmitter comprises a weighing transmitter body 1, wherein a sealing end cover 2 is fixedly arranged on the top surface of the weighing transmitter body 1 through a set screw; through the seal end cover 2 that sets up, the user of being convenient for fixes it through the screw, makes it seal with the 1 type groove of weighing transmitter body an overall symmetry weighing transmitter body 1 top.
Referring to fig. 1 and 2, a circuit board main body 3 is fixedly mounted on the inner bottom surface of a weighing transmitter body 1, and a signal interface terminal 4 is fixedly mounted on the top surface of the circuit board main body 3; through the weighing transmitter body 1 that sets up, be convenient for install fixedly to circuit board main part 3, through the circuit board main part 3 that sets up, be convenient for install fixedly to signal interface terminal 4, be equipped with output interface terminal and input interface terminal on the signal interface terminal 4 respectively, conveniently be connected with communication cable, make things convenient for the input and output of signal.
Referring to fig. 1, 2 and 3, the left and right sides of the weighing transmitter body 1 are respectively penetrated and fixedly provided with a heat dissipation cooling plate 5, one side of the heat dissipation cooling plate 5 positioned in the weighing transmitter body 1 is fixedly provided with a conductive plate 6 through a set bolt, and a semiconductor refrigerating sheet 7 is arranged between the heat dissipation cooling plate 5 and the conductive plate 6; through the heat dissipation cooling plate 5 that sets up, be convenient for install fixedly to the baffle 6 through the bolt, through the heat dissipation cooling plate 5 and the conducting plate 6 that set up, be convenient for install semiconductor refrigeration piece 7 between the two, the refrigeration end of semiconductor refrigeration piece 7 laminates with one side of conducting plate 6 mutually, the heating end laminates with one side of heat dissipation cooling plate 5 mutually, when the thermocouple centering that an N type semiconductor material and a P type semiconductor material of internally mounted of semiconductor refrigeration piece 7 tie up has the electric current to pass through, will produce heat transfer between the both ends, heat will shift to the other end from one end, thereby produce the difference in temperature and form the cold and hot end, the heat that the operation of the inside components and parts of the heavy changer body 1 of conducting plate 6 and communication cable produced adsorbs, transfer the heat of absorption to the heat dissipation cooling plate 5 through semiconductor refrigeration piece 7, thereby be convenient for the cooling plate 5 dispel the heat to the heat of absorption.
Referring to fig. 2, four storage mesh plates 8 are fixedly installed at the inner corners of the weighing transmitter body 1, and the interiors of the four storage mesh plates 8 are filled with drying agents; through depositing otter board 8 that sets up, convenient to use personnel fills drier in its inside, through the drier that sets up, is convenient for carry out drying process to weighing transmitter body 1 inside gas, avoids weighing transmitter body 1 inside moisture too heavy to the greatest extent to cause the influence to components and parts, improves the practicality.
Referring to fig. 1 and 2, a protective casing 9 is fixedly mounted on the left side and the right side of the weighing transmitter body 1 and positioned on the side of the heat dissipation and cooling plate 5, and a ventilation grid 10 is fixedly mounted on one side of the protective casing 9; through the protecting sheathing 9 that sets up, be convenient for protect the outside heat dissipation cooling plate 5 of weighing transmitter body 1, through the ventilation style grid 10 that sets up, the circulation of the air of being convenient for and get into the inside of protecting sheathing 9 dispels the heat to heat dissipation cooling plate 5.
Referring to fig. 1 and 2, a waterproof connector 11 is fixedly installed at the front end and the rear end of a weighing transmitter body 1 respectively; through the waterproof connector 11 that sets up, the wiring of communication cable of being convenient for.
Referring to fig. 1 and 2, a fixed plate 12 is fixedly installed near the bottom of the front end and the rear end of a weighing transmitter body 1 respectively, and a plurality of fixed holes 13 are formed in the top surface of the fixed plate 12; through the fixed plate 12 that sets up, the user of being convenient for passes fixed orifices 13 with the bolt and installs weighing transducer body 1 in suitable position.
Referring to fig. 1, a gasket 14 is fixedly installed on the top surface of a weighing transmitter body 1, and the gasket 14 is positioned between the junction of the weighing transmitter body 1 and a sealing end cover 2; through the sealing gasket 14 that sets up, be convenient for improve sealed effect between heavy transmitter body 1 and the sealed end cover 2 junction, realize waterproof dirt-proof effect.
Referring to fig. 1 and 2, the size of the ventilation grid 10 is 300 mesh; the specification of the grid mesh 10 is 300 meshes, so that the dust filtering effect is improved conveniently.
The implementation principle of the embodiment of the waterproof weighing transmitter is as follows: the user at first passes through the screw installation with seal end cover 2 and fixes the top at weighing the changer body 1 for weighing the changer body 1 forms a whole, when weighing the inside installed components and parts of changer body 1 and communication cable operation production heat, through the refrigeration end of the semiconductor refrigeration piece 7 that sets up and laminating mutually with one side of conduction board 6 this moment, the heating end is laminated mutually with one side of heat dissipation cooling board 5, when the internally mounted of semiconductor refrigeration piece 7 has the electric current to pass through in the thermocouple pair that an N type semiconductor material and a P type semiconductor material link become, will produce the heat transfer between the both ends, the heat will be shifted to the other end from one end, thereby produce the difference in temperature and form cold and hot end, the heat that the inside components and parts of changer body 1 of conduction board 6 symmetry and communication cable operation produced adsorbs, transfer the heat of absorption to on the heat dissipation cooling board 5 through the semiconductor refrigeration piece 7, extend to the outside of weighing the changer body 1 through the one end of heat dissipation cooling board 5, thereby be convenient for dispel the heat to the absorption heat, avoid the inside high temperature of weight changer body 1 to influence the components and communication cable, increase the life of components and parts and communication cable.
Through depositing otter board 8 that sets up, convenient to use personnel fills drier in its inside, through the drier that sets up, is convenient for carry out drying process to weighing transmitter body 1 inside gas, avoids weighing transmitter body 1 inside moisture too heavy to the greatest extent to cause the influence to components and parts, improves the practicality.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a waterproof weighing transducer, includes weighing transducer body (1), its characterized in that: the top surface of weighing transmitter body (1) has sealed end cover (2) through the screw fixed mounting that sets up, the inside bottom surface fixed mounting of weighing transmitter body (1) has circuit board main part (3), just the top surface fixed mounting of circuit board main part (3) has signal interface terminal (4), the left and right sides of weighing transmitter body (1) wears to establish respectively fixed mounting has heat dissipation cooling board (5), heat dissipation cooling board (5) are located the inside one side of weighing transmitter body (1) has conducting plate (6) through the bolt fixed mounting that sets up, heat dissipation cooling board (5) with be provided with semiconductor refrigeration piece (7) between conducting plate (6).
2. A waterproof weighing transducer as defined in claim 1 wherein: four storage net plates (8) are fixedly arranged at the inner corners of the weighing transmitter body (1), and drying agents are filled in the four storage net plates (8).
3. A waterproof weighing transducer as defined in claim 1 wherein: the weighing transmitter comprises a weighing transmitter body (1), wherein the left side and the right side of the weighing transmitter body (1) are positioned on the side of a heat dissipation cooling plate (5), a protective shell (9) is fixedly installed on the side of the heat dissipation cooling plate, and a ventilation grid (10) is fixedly installed on one side of the protective shell (9).
4. A waterproof weighing transducer as defined in claim 1 wherein: the front end and the rear end of the weighing transmitter body (1) are respectively and fixedly provided with a waterproof connector (11).
5. A waterproof weighing transducer as defined in claim 1 wherein: the front end and the rear end of the weighing transmitter body (1) are close to the bottom and are respectively and fixedly provided with a fixing plate (12), and a plurality of fixing holes (13) are formed in the top surface of the fixing plate (12).
6. A waterproof weighing transducer as defined in claim 1 wherein: the top surface of weighing transmitter body (1) fixed mounting has sealed pad (14), just sealed pad (14) are located weighing transmitter body (1) with sealing end cover (2) junction between.
7. A waterproof weighing transducer as defined in claim 3, wherein: the specification of the ventilation style grid mesh (10) is 300 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320910591.0U CN220136485U (en) | 2023-04-21 | 2023-04-21 | Waterproof weighing transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320910591.0U CN220136485U (en) | 2023-04-21 | 2023-04-21 | Waterproof weighing transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136485U true CN220136485U (en) | 2023-12-05 |
Family
ID=88959097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320910591.0U Active CN220136485U (en) | 2023-04-21 | 2023-04-21 | Waterproof weighing transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136485U (en) |
-
2023
- 2023-04-21 CN CN202320910591.0U patent/CN220136485U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102591115B (en) | Heat dissipation assembly and projection device with same | |
| CN204929513U (en) | Hand -held device and use handheld cloud platform of this hand -held device | |
| CN106025869B (en) | A kind of second power equipment of site installation convenient for heat dissipation | |
| CN211904432U (en) | Waterproof type temperature transmitter | |
| CN220136485U (en) | Waterproof weighing transmitter | |
| CN105993208A (en) | Handheld device and handheld pan-tilt and electronic device using the same | |
| CN208029221U (en) | A kind of lightweight shell enhancing shielding for unmanned plane figure transmission module and reinforce radiating | |
| CN218416954U (en) | Electric power data acquisition device | |
| CN211527651U (en) | Temperature transmitter with quick heat dissipation function | |
| CN207443337U (en) | Machine tool numerical control system heat radiation sealed structure | |
| CN213659730U (en) | Semi-physical simulation training equipment | |
| CN204929519U (en) | Integration heat radiation structure | |
| CN210470087U (en) | Heat pipe heat radiation structure of display device | |
| CN209497272U (en) | A kind of electric control box and SVG cellular construction | |
| CN210218067U (en) | Pump station control cabinet with teletransmission function | |
| CN210130041U (en) | Packaging box and charger | |
| CN209910581U (en) | Identification device for house safety static strain | |
| CN215344615U (en) | Thing networking security gateway device | |
| CN220123227U (en) | Automatic change control circuit protection device | |
| CN216721931U (en) | Electric vehicle controller heat dissipation assembly | |
| CN219086637U (en) | Rack-mounted communication equipment power distribution device | |
| CN216925615U (en) | High-stability sensor | |
| CN216718926U (en) | Wearable terminal | |
| CN219227286U (en) | Wireless charging equipment | |
| CN215819192U (en) | Rectifier module power supply with self-temperature-control structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |