CN216144413U

CN216144413U - Multifunctional weighing sensor

Info

Publication number: CN216144413U
Application number: CN202121710801.9U
Authority: CN
Inventors: 赖祖连
Original assignee: Wuxi Hengrui Automation Technology Co ltd
Current assignee: Wuxi Hengrui Automation Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-29
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to the field of weighing equipment, and discloses a multifunctional weighing sensor which comprises a base, a lower shell and an upper shell, wherein the upper end of the base is provided with the lower shell, the upper end of the lower shell is provided with the upper shell, four corners of the outer side of the lower shell are respectively provided with a level gauge, the outer side of the joint of the lower shell and the upper shell is provided with a connecting valve, and the joint of the lower shell and the upper shell is provided with a sealing strip. According to the utility model, an article to be detected is placed on the tray, and is prevented from being in direct contact with the sensor main body, so that the abrasion to the sensor main body is reduced, the waterproof layer prevents external water vapor from contacting the sensor main body, the corrosion-resistant layer delays the corrosion time of the sensor main body, the anti-interference filter can reduce the influence of external signals on the sensor main body, the measurement accuracy is improved, the shock absorption column buffers the impact on the sensor when a heavy object is placed on the sensor, and the telescopic rod is contracted when the fixed support is deviated, so that the accuracy is prevented from being influenced by the shock to the sensor main body.

Description

Multifunctional weighing sensor

Technical Field

The utility model relates to the field of weighing equipment, in particular to a multifunctional weighing sensor.

Background

A load cell is essentially a device that converts a mass signal into a measurable electrical signal output. The sensor is selected by considering the actual working environment of the sensor, which is important for the correct selection of the weighing sensor, and the sensor is related to the normal work of the sensor, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus.

The existing Chinese patent discloses a multifunctional spoke type weighing sensor, the publication number is CN211553016U, the publication date is 2020-09-22, the patent technology comprises a profile, a hub, a first mounting seat and a horizontal component, the structure is reasonable, the multifunctional spoke type weighing sensor has the characteristics of monitoring whether the weighing sensor is horizontal or not in real time and being convenient for leveling, the practicability of the weighing sensor is greatly improved, and the multifunctional spoke type weighing sensor is worthy of popularization. However, the long-term use of the weighing sensor in a heavy moisture environment affects the service life of the internal circuit, and further affects the reliability of the weighing sensor. In response to this situation, those skilled in the art have provided a multi-functional load cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional weighing sensor to solve the problem that the weighing sensor in the background art is not suitable for long-term use in a heavy-humidity environment.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a multifunctional weighing sensor, includes base, lower casing and last casing, the base upper end is equipped with down the casing, and lower casing upper end is equipped with the casing, and the external side four corners department of inferior valve all is equipped with the spirit level, and the casing is equipped with the junction valve with last casing junction outside down, and lower casing is equipped with the sealing strip with last casing junction.

As a still further scheme of the utility model: the inside center department of casing is equipped with the sensor main part down, and the internal both sides of inferior valve all are equipped with anti-interference filter, and anti-interference filter can reduce the influence of external signal to the sensor main part, promotes measuring accuracy nature.

As a still further scheme of the utility model: the sensor main part upper end is equipped with the connecting block, and the connecting block upper end is equipped with the tray, waits to detect that article place on the tray, avoids with sensor main part direct contact, has reduced the wearing and tearing to sensor main part.

As a still further scheme of the utility model: the waterproof layer is set to the inner wall of the lower shell and the inner wall of the upper shell, the waterproof layer is made of polyurethane waterproof paint, the waterproof layer prevents external water vapor from contacting the sensor body, and the service life of the device is prolonged.

As a still further scheme of the utility model: the inner wall of the waterproof layer is made of a corrosion-resistant layer, the corrosion-resistant layer is made of carbon fiber, the corrosion-resistant layer delays the corrosion time of the sensor main body, and the service life of the device is further prolonged.

As a still further scheme of the utility model: the joint of the base and the lower shell is provided with a fixed support.

As a still further scheme of the utility model: the inside center department of base is equipped with the shock attenuation post, and shock attenuation post and fixed bolster fixed connection, and the shock attenuation post cushions the impact that receives when this sensor places the heavy object, thereby avoids the sensor main part to receive vibrations and influences the accuracy nature.

As a still further scheme of the utility model: the inside four corners of base all is equipped with the telescopic link, and telescopic link one end all is connected with the fixed bolster, and the telescopic link contracts when the fixed bolster takes place the skew, further cushions this sensor.

The utility model has the beneficial effects that:

1. the object to be detected is placed on the tray, and is prevented from being in direct contact with the sensor main body, so that abrasion to the sensor main body is reduced, the waterproof layer prevents external water vapor from contacting the sensor main body, the service life of the device is prolonged, the corrosion-resistant layer delays the corrosion time of the sensor main body, and the service life of the device is further prolonged;

2. the shock that receives when this sensor of shock attenuation post buffering placed the heavy object avoids the sensor main part to receive vibrations and influences the accuracy nature, and the telescopic link is shrink when the fixed bolster takes place the skew, further cushions this sensor, and anti interference filter can reduce external signal to the influence of sensor main part, promotes measuring accuracy nature.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a multi-function load cell;

FIG. 2 is a schematic cross-sectional view of the lower housing and the upper housing of FIG. 1;

fig. 3 is a schematic cross-sectional view of the base of fig. 1.

In the figure: 1. a base; 2. a lower housing; 3. an upper housing; 4. a level gauge; 5. a tray; 6. a connecting valve; 7. a sealing strip; 8. an anti-interference filter; 9. a sensor body; 10. a waterproof layer; 11. a corrosion-resistant layer; 12. connecting blocks; 13. a telescopic rod; 14. a shock-absorbing post; 15. and fixing the bracket.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and with reference to fig. 1 to 3, the embodiment of the present invention is as follows:

the utility model provides a multifunctional weighing sensor, includes base 1, lower casing 2 and last casing 3, and base 1 upper end is equipped with casing 2 down, and casing 2 upper end is equipped with casing 3 down, and casing 2 outside four corners department all is equipped with spirit level 4 down, and casing 2 is equipped with connecting valve 6 with the 3 junction outsides of last casing down, and casing 2 is equipped with sealing strip 7 with the 3 junction of last casing down.

In fig. 1 and 2: a sensor main body 9 is arranged at the center inside the lower shell 2, anti-interference filters 8 are arranged on two sides inside the lower shell 2, the anti-interference filters 8 can reduce the influence of external signals on the sensor main body 9 and improve the measurement accuracy, a connecting block 12 is arranged at the upper end of the sensor main body 9, a tray 5 is arranged at the upper end of the connecting block 12, an object to be detected is placed on the tray 5 and is prevented from being in direct contact with the sensor main body 9, the abrasion on the sensor main body 9 is reduced, waterproof layers 10 are arranged on the inner walls of the lower shell 2 and the upper shell 3, and waterproof layer 10 is polyurethane waterproof coating material, and waterproof layer 10 prevents that outside steam from contacting sensor main part 9, has promoted the life of device, and waterproof layer 10 inner wall is established to corrosion-resistant layer 11, and corrosion-resistant layer 11 is the carbon fiber material, and corrosion-resistant layer 11 delays the time that sensor main part 9 was corroded, further promotes the life of device.

In fig. 1 and 3: base 1 is equipped with fixed bolster 15 with lower casing 2 junction, 1 inside center department of base is equipped with shock attenuation post 14, and shock attenuation post 14 and fixed bolster 15 fixed connection, the impact that receives when this sensor of shock attenuation post 14 buffering places the heavy object, thereby avoid sensor main part 9 to receive vibrations influence accuracy nature, 1 inside four corners department of base all is equipped with telescopic link 13, and telescopic link 13 one end all is connected with fixed bolster 15, telescopic link 13 contracts when fixed bolster 15 takes place the skew, further cushion this sensor.

The working principle of the utility model is as follows: the device is placed on the flat ground, the level state of the device is guaranteed through the level 4, and then an object to be detected is placed on the tray 5, so that direct contact with the sensor main body 9 is avoided, and abrasion to the sensor main body 9 is reduced; the waterproof layer 10 prevents external water vapor from contacting the sensor main body 9, so that the service life of the device is prolonged; the corrosion-resistant layer 11 delays the corrosion time of the sensor main body 9, and the service life of the device is further prolonged; the shock absorption column 14 buffers the impact on the sensor when a heavy object is placed on the sensor, the sensor main body 9 is prevented from being vibrated, so that the accuracy is not affected, and the telescopic rod 13 is contracted when the fixed support 15 deviates, so that the sensor is further buffered; the anti-interference filter 8 can reduce the influence of external signals on the sensor main body 9 and improve the measurement accuracy; the lower shell 2 and the upper shell 3 can be opened through the connecting valve 6, so that the weighing sensor can be conveniently overhauled; the sealing strip 7 ensures the waterproof performance of the device and improves the practicability of the device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a multi-functional weighing sensor, includes base (1), casing (2) and last casing (3) down, its characterized in that, base (1) upper end is equipped with down casing (2), and casing (2) upper end is equipped with casing (3) down, and casing (2) outside four corners department all is equipped with spirit level (4) down, and casing (2) and last casing (3) junction outside are equipped with connecting valve (6) down, and casing (2) and last casing (3) junction are equipped with sealing strip (7) down.

2. The multifunctional weighing sensor according to claim 1, wherein the sensor main body (9) is arranged at the center of the inside of the lower shell (2), and the anti-interference filters (8) are arranged at two sides of the inside of the lower shell (2).

3. The multi-functional weighing sensor of claim 2, wherein the sensor body (9) is provided at an upper end thereof with a connecting block (12), and the connecting block (12) is provided at an upper end thereof with the tray (5).

4. The multifunctional weighing sensor according to claim 1, wherein the inner walls of the lower shell (2) and the upper shell (3) are both provided with a waterproof layer (10), and the waterproof layer (10) is made of polyurethane waterproof paint.

5. The multifunctional weighing sensor according to claim 4, wherein the inner wall of the waterproof layer (10) is provided with a corrosion-resistant layer (11), and the corrosion-resistant layer (11) is made of carbon fiber.

6. The multifunctional weighing sensor of claim 1, wherein a fixing bracket (15) is arranged at the joint of the base (1) and the lower shell (2).

7. The multifunctional weighing sensor according to claim 6, wherein a shock absorption column (14) is arranged at the center of the inside of the base (1), and the shock absorption column (14) is fixedly connected with a fixed bracket (15).

8. The multifunctional weighing sensor according to claim 6, wherein the four corners inside the base (1) are provided with telescopic rods (13), and one end of each telescopic rod (13) is connected with the fixed support (15).