CN220585651U - Weighing and force measuring transducer with good anti-interference performance - Google Patents

Abstract

The utility model belongs to the technical field of force measuring transmitters, and particularly relates to a weighing force measuring transmitter with good anti-interference performance, which comprises a bottom shell, a shell cover and a data line, wherein a transmitting circuit board is arranged on the bottom shell, and the weighing force measuring transmitter further comprises an anti-interference connector, an anti-interference magnetic ring and a filter; the anti-interference connector is arranged on the transmitting circuit board and comprises a plastic body, a metal terminal arranged on the plastic body, a shell buckled with the plastic body and accommodating part of the plastic body, and a data wire electrically connected with the metal terminal and accommodated in the shell; the anti-interference magnetic ring is arranged on the outer wall of the bottom shell and is wound on the periphery of the data wire, and the anti-interference connector, the anti-interference magnetic ring and the filter are arranged, so that the integral shielding capacity and the anti-electromagnetic interference performance of the anti-interference connector are obviously enhanced.

Description

Weighing and force measuring transducer with good anti-interference performance

Technical Field

The utility model belongs to the technical field of force measuring transmitters, and particularly relates to a weighing force measuring transmitter with good anti-interference performance.

Background

The weighing force measuring transducer is capable of converting signals sent by weighing equipment into standard signals after special treatment and then transmitting the standard signals to other equipment, and various weighing force measuring transducers exist in the market at present to be widely applied.

Chinese patent application number CN202222238971.2 discloses that it comprises: the anti-interference magnetic ring is arranged on the data extension line and is used for transmitting the data; the inner wall of the bottom shell protrudes to form a supporting table, the supporting table supports a transmitting circuit board, a socket is arranged on the circuit board, and one end of a data connector is inserted into the socket; the other end of the data connector is extended with a data extension line, the data extension line passes through a penetrating hole on the bottom shell, a protruding cylinder is protruded on the outer wall of the bottom shell, and the protruding cylinder surrounds the penetrating hole; sealing rings are formed between the inner wall of the through hole and the data extension line and between the inner wall of the protruding cylinder and the data extension line. The weighing force measuring transducer with good anti-interference performance solves the problem that signal interference at a data joint cannot be prevented in the prior art.

Because data connector intercommunication inside transmission circuit board and external force transducer etc. data connector has realized the switch-on of force transducer and inside transmission circuit board, when there is signal interference in data connector department, can lead to the signal inaccuracy that the transmission circuit board received, therefore how anti data connector department signal interference then is very important to the changer, also is the problem that needs to be solved urgently.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a weighing force measuring transducer with good anti-interference performance, which is used for solving the problems in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the weighing force measuring transmitter with good anti-interference performance comprises a bottom shell, a shell cover, a data wire, an anti-interference connector, an anti-interference magnetic ring and a filter, wherein a transmitting circuit board is arranged on the bottom shell;

the anti-interference connector is arranged on the transmitting circuit board and comprises a plastic body, a metal terminal arranged on the plastic body, a shell buckled with the plastic body and accommodating part of the plastic body, and a data wire electrically connected with the metal terminal and accommodated in the shell;

the filter is arranged on one side of the transmitting circuit board, and the anti-interference magnetic ring is arranged on the outer wall of the bottom shell and is wound on the periphery of the data line.

Further, at least one opening is formed in the shell, the opening is a circular through hole, the data line is provided with a first data line and a second data line, the second data line is connected with the metal terminal through the opening, and after the second data line is connected with the metal terminal through the opening, a sealing layer is arranged between the outer surface of the second data line and the opening.

Further, the housing comprises a base, and a first housing and a second housing protruding to two sides along the base, the opening is arranged on the first housing or the second housing, and the first data wire is accommodated in the base.

Further, the first casing and the second casing are both provided with a guiding part which is convenient for the data wire to penetrate, the casing comprises a base part and a first casing which protrudes to one side along the base part, the opening is arranged on the first casing, and the first data wire is accommodated in the base part.

Further, the first data line and the second data line are arranged side by side, the first data line and the second data line are separated at one end of the data line, and the rest parts are adhered.

Further, the second data line and the first data line penetrate into an opening and a base portion, respectively, at a separation of the data lines.

Compared with the prior art, the utility model has the following beneficial effects:

1. the anti-interference connector, the anti-interference magnetic ring and the filter are arranged, wherein the anti-interference connector is provided with an opening on the shell, so that the shell forms two insertion holes for respectively accommodating video wires and audio wires of the wire part, and the integral shielding capacity and the anti-electromagnetic interference performance of the anti-interference connector are obviously enhanced.

Drawings

FIG. 1 is a schematic diagram of a weighing force-measuring transducer with good anti-interference performance after a shell cover is detached;

FIG. 2 is an overall view of an anti-tamper connector in a weighing and force-measuring transducer of the present utility model with good anti-tamper properties;

FIG. 3 is an exploded view of FIG. 2;

reference numerals in the drawings of the specification include:

a bottom shell 01, a transmitting circuit board 011, an anti-interference magnetic ring 012, a filter 013,

The anti-interference connector 1, the plastic body 10, the insertion port 11, the fastening portion 12, the terminal portion 13, the metal terminal 20, the housing 30, the base portion 31, the first housing 32, the second housing 33, the opening 34, the guide portion 35, the data line 40, the first data line 41, and the second data line 42.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. 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.

Embodiment one:

as shown in fig. 1-3, the present utility model. Specifically, the weighing force measuring transmitter with good anti-interference performance comprises a bottom shell 01, a shell cover, a data wire 40, a transmitting circuit board 011, an anti-interference connector 1, an anti-interference magnetic ring 012 and a filter 013, wherein the transmitting circuit board 011 is arranged on the bottom shell 01;

the anti-interference connector 1 is mounted on a transmission circuit board 011 and comprises a plastic body 10, a metal terminal 20 arranged on the plastic body 10, a shell 30 buckled with the plastic body 10 and accommodating part of the plastic body 10, and a data wire 40 electrically connected with the metal terminal 20 and accommodated in the shell 30;

the filter 013 is disposed on one side of the transmitting circuit board 011, and the anti-interference magnetic ring 012 is disposed on the outer wall of the bottom case 01 and is wound around the outer circumference of the data line 40.

The casing 30 is provided with at least one opening 34, the opening 34 is a circular through hole, the data line 40 is provided with a first data line 41 and a second data line 42, the second data line 42 is connected with the metal terminal 20 through the opening 34, and after the second data line 42 is connected with the metal terminal 20 through the opening 34, a sealing layer is arranged between the outer surface of the second data line 42 and the opening 34.

The casing 30 includes a base 31, and a first casing 32 and a second casing 33 protruding to both sides along the base 31, the opening 34 is disposed on the first casing 32 or the second casing 33, and the first data line 41 is accommodated in the base 31.

The first casing 32 and the second casing 33 are respectively provided with a guiding portion 35 for facilitating penetration of the data line 40, the casing 30 comprises a base 31 and the first casing 32 protruding to one side along the base 31, the opening 34 is arranged on the first casing 32, and the first data line 41 is accommodated in the base 31.

The first data line 41 and the second data line 42 are arranged side by side, and the first data line 41 and the second data line 42 are separated at one end of the data line 40, and the rest is adhered.

The second data line 42 penetrates into the opening 34 and the base 31 at a separation of the data line 40 from the first data line 41, respectively.

In the present embodiment, the second data line 41 is accommodated in the first housing 32 through the opening 34, the first data line 42 is accommodated in the base 31, and the accommodating space formed by the first housing 32 or the second housing 33 is smaller than or equal to the accommodating space formed by the base 31, however, in other embodiments, the second data line 41 may be accommodated in the second housing 33 or the base 31, and it is only necessary to ensure that the second data line 41 and the first data line 42 are not in the same accommodating space. When the second data wire is connected with the metal terminal through the opening, a sealing layer is arranged on the outer surface of the second data wire and the opening, and the sealing mode of the sealing layer comprises welding, pasting, crimping and riveting. By arranging the opening on the shell, the shell is provided with two insertion holes for respectively accommodating the first data wire and the second data wire of the wire part, so that the integral shielding capacity and the electromagnetic interference resistance of the weighing force measuring transducer with good interference resistance are obviously enhanced.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (6)

1. The utility model provides a weighing force measurement changer that interference immunity can be good, includes drain pan (01) and cap and data line (40), install on drain pan (01) and transmit circuit board (011), its characterized in that: the anti-interference device also comprises an anti-interference connector (1), an anti-interference magnetic ring (012) and a filter (013);

the anti-interference connector (1) is arranged on a transmission circuit board (011) and comprises a plastic body (10), a metal terminal (20) arranged on the plastic body (10), a shell (30) buckled with the plastic body (10) and accommodating part of the plastic body (10), and a data wire (40) electrically connected with the metal terminal (20) and accommodated in the shell (30);

the filter (013) is arranged on one side of the transmitting circuit board (011), and the anti-interference magnetic ring (012) is arranged on the outer wall of the bottom shell (01) and is wound on the periphery of the data line (40).

2. The weighing and force-measuring transducer with good anti-interference performance as claimed in claim 1, wherein: the shell (30) is provided with at least one opening (34), the opening (34) is a circular through hole, the data line (40) is provided with a first data line (41) and a second data line (42), the second data line (42) is connected with the metal terminal (20) through the opening (34), and after the second data line (42) is connected with the metal terminal (20) through the opening (34), a sealing layer is arranged between the outer surface of the second data line (42) and the opening (34).

3. The weighing and force-measuring transducer with good anti-interference performance as claimed in claim 2, wherein: the shell (30) comprises a base (31), and a first shell (32) and a second shell (33) which are protruded towards two sides along the base (31), the opening (34) is arranged on the first shell (32) or the second shell (33), and the first data wire (41) is accommodated in the base (31).

4. A weighing and force measuring transducer with good anti-interference performance as claimed in claim 3, characterized in that: the first housing (32) and the second housing (33) are both provided with a guide portion (35) facilitating penetration of the data line (40).

5. The weighing and force-measuring transducer with good anti-interference performance as claimed in claim 4, wherein: the first data line (41) and the second data line (42) are arranged side by side, the first data line (41) and the second data line (42) are separated at one end of the data line (40), and the rest parts are adhered.

6. The weighing and force-measuring transducer with good anti-interference performance as claimed in claim 5, wherein: the second data line (42) and the first data line (41) penetrate into an opening (34) and a base (31) at a separation of the data lines (40), respectively.