CN220018685U - Multifunctional photometry weighing sensor - Google Patents

Abstract

The utility model provides a multifunctional photometry weighing sensor, which comprises a protection shell and a weighing sensor, wherein the weighing sensor is arranged in the protection shell, the weighing sensor comprises a sleeve and a bearing part, the sleeve is hollow and cylindrical in the middle, the bearing part is positioned at the hollow part of the sleeve, an elastomer is arranged between the sleeve and the bearing part, a photosensitive sensor and a plurality of strain gauges are arranged in the elastomer, the strain gauges are uniformly distributed in the elastomer around the central axis of the bearing part, a junction box is connected to the outer side of the protection shell, a threading hole is formed between the protection shell and the junction box, and a circuit board is arranged in the junction box and is electrically connected with the weighing sensor and the photosensitive sensor through wires. The weighing sensor can be connected with the internet of things system through the circuit board, whether the weighing sensor is opened or damaged can be checked through the internet of things system, and the internet of things system can remotely detect the state of the sensor to perform fault and cheating analysis.

Description

Multifunctional photometry weighing sensor

Technical Field

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

Background

The weighing sensor is a device for converting a quality signal into a measurable electric signal and outputting the signal; however, sometimes because the total weight of the vehicle lost repair over time or weighted exceeds the rated value of the weighing sensor, the weighing sensor is damaged, the accuracy of the weighing result is affected, and a plurality of lawless persons change the weighing data by using cheating means such as adding a cheater and not standardizing weighing, wherein remote control cheating is a relatively hidden means in all the cheating means, the cheater is arranged in the weighing sensor, and weight gain or weight reduction is realized through the remote control cheater so as to obtain high illegal income, and the action causes serious economic loss to the country and individuals.

Therefore, it is necessary to invent a multifunctional photometric/weighing sensor to solve the above problems.

Disclosure of Invention

The present utility model is directed to a multifunctional photometric weighing sensor that solves the problems noted in the background art above.

The utility model provides the following technical scheme for realizing the purposes:

the utility model provides a multifunctional photometry weighing sensor, includes protective housing and weighing sensor, weighing sensor sets up in the protective housing, weighing sensor includes sleeve and carrier part, the sleeve is middle fretwork cylindric, carrier part is located sleeve fretwork department, be provided with the elastomer between sleeve and the carrier part, be provided with photosensitive sensor and a plurality of foil gage in the elastomer, the foil gage is in the elastomer around the center pin evenly distributed of carrier part, the protective housing outside is connected with the terminal box, the through wires hole has been seted up between protective housing and the terminal box, set up the circuit board in the terminal box, the circuit board passes through the wire electricity with weighing sensor and photosensitive sensor and is connected. The addition of the photosensitive sensor can monitor whether the sensor is opened or damaged, the strain gauge is uniformly distributed around the central shaft of the bearing part, the weighing precision can be improved, and the weighing error is reduced.

As the preferable technical scheme of the utility model, the protective shell is designed to be wide at the upper part and narrow at the lower part, an alarm is arranged in the protective shell, and the alarm is electrically connected with the circuit board through a wire. The design that goes up wide down narrowly can separate impurity accumulation such as silt on the protective housing, and then helps reducing external environment pollution to bearing the influence of contact structure, and the alarm can make the work confirm damaged weighing sensor position fast.

Further preferably, the power supply line is installed to one side of terminal box far away from the through wires hole, the fixed pressure head that has set up in top of protective housing, upward set up a plurality of connecting holes on the pressure head, the fixed pressure head that has set up in bottom of protective housing, a plurality of connecting holes down have been seted up on the pressure head down. The connecting hole is convenient for fixing the position of the weighing sensor.

The utility model has the technical effects and advantages that:

1. according to the utility model, the photosensitive sensor is arranged in the elastomer, whether the weighing sensor is open or damaged can be checked through the Internet of things system, the Internet of things system can remotely detect the state of the sensor, fault and cheating analysis is performed, and the open-shell cheating behavior is prevented.

2. The utility model has the advantages that the alarm is additionally arranged, so that the effect of frightening cheating personnel can be achieved, and the position of the damaged weighing sensor can be rapidly determined by the staff.

Drawings

FIG. 1 is a partial cross-sectional view of a multi-functional photometric load cell;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a cross-sectional view of 10 in fig. 2.

In the figure: 1. the upper pressure head, 2, the upper connecting hole, 3, the protective housing, 4, the lower pressure head, 5, the lower connector, 6, the junction box, 7, the circuit board, 8, the threading hole, 9, the photosensitive sensor, 10, the weighing sensor, 101, the sleeve, 102, the elastomer, 103, the strain gauge, 104, the bearing part, 11, the cable conductor, 12, the wire, 13 and the alarm.

Description of the embodiments

Examples

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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 fall within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The embodiment of the utility model provides a multifunctional photometry weighing sensor as shown in fig. 1-3, which comprises a protection shell 3 and a weighing sensor 10, wherein the weighing sensor 10 is arranged in the protection shell 3, the weighing sensor 10 comprises a sleeve 101 and a bearing part 104, the sleeve 101 is hollow and cylindrical in the middle, the bearing part 104 is positioned at the hollow part of the sleeve 101, an elastomer 102 is arranged between the sleeve 101 and the bearing part 104, a photosensitive sensor 9 and a plurality of strain gauges 103 are arranged in the elastomer 102, the strain gauges 103 are uniformly distributed in the elastomer 102 around the central axis of the bearing part 104, a junction box 6 is connected to the outer side of the protection shell 3, a threading hole 8 is formed between the protection shell 3 and the junction box 6, a circuit board 7 is arranged in the junction box 6, and the circuit board 7 is electrically connected with the weighing sensor 10 and the photosensitive sensor 9 through a wire 12.

In the preferred embodiment, the protective housing 3 is designed to be wide at the top and narrow at the bottom, an alarm 13 is disposed in the protective housing 3, and the alarm 13 is electrically connected with the circuit board 7 through a wire 12.

Further preferably, the power supply line 11 is installed to one side of terminal box 6 far away from through wires hole 8, the fixed pressure head 1 that has set up in top of protective housing 3, upward set up a plurality of connecting holes 2 on the pressure head 1, the fixed pressure head 4 that has set up in bottom of protective housing 3, a plurality of connecting holes 5 down have been seted up on the pressure head 4 down.

The working principle of the utility model is as follows: when the utility model is used in a good condition, when someone opens the protective shell 3 and wants to install the cheating equipment, the alarm 13 senses the change of the device, the device starts to flash light and transmits an alarm signal to the circuit board 7, the circuit board 7 locks the weighing sensor 10 after receiving the signal, and sends the alarm signal to the Internet of things system.

When the load-bearing structure of the utility model is damaged, the photosensitive sensor 9 detects the damage and light leakage of the weighing sensor 10, converts an optical signal into an electric signal and transmits the electric signal to the weighing circuit board 7, the circuit board 7 locks the weighing sensor 10 after receiving the signal and transmits the signal to the alarm 13 and the Internet of things system, and the light starts to flash after the alarm 13 receives the signal.

It should be noted that, although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, and improvements to some of the technical features described in the foregoing embodiments may be made by those skilled in the art, and all modifications, equivalents, improvements and modifications are intended to be included in the scope of the present utility model.

Claims (3)

1. The utility model provides a multifunctional light-measuring weighing sensor, includes protection casing (3) and weighing sensor (10), its characterized in that, weighing sensor (10) set up in protection casing (3), weighing sensor (10) are including sleeve (101) and carrier part (104), sleeve (101) are middle fretwork cylindric, carrier part (104) are located sleeve (101) fretwork department, be provided with elastomer (102) between sleeve (101) and carrier part (104), be provided with photosensitive sensor (9) and a plurality of foil gage (103) in elastomer (102), foil gage (103) are in elastomer (102) around the center pin evenly distributed of carrier part (104), protection casing (3) outside is connected with terminal box (6), wire through hole (8) have been seted up between protection casing (3) and terminal box (6), circuit board (7) have been set up in terminal box (6), circuit board (7) are connected through wire (12) with photosensitive sensor (10) and photosensitive sensor (12).

2. The multifunctional photometric weighing sensor according to claim 1, characterized in that the protective housing (3) is designed to be wide at the top and narrow at the bottom, an alarm (13) is arranged in the protective housing (3), and the alarm (13) is electrically connected with the circuit board (7) through a wire (12).

3. The multifunctional photometry weighing sensor according to claim 1, characterized in that a power supply line (11) is installed on one side of the junction box (6) far away from the threading hole (8), an upper pressing head (1) is fixedly arranged at the top of the protection shell (3), a plurality of upper connecting holes (2) are formed in the upper pressing head (1), a lower pressing head (4) is fixedly arranged at the bottom of the protection shell (3), and a plurality of lower connecting holes (5) are formed in the lower pressing head (4).