CN218511754U

CN218511754U - Cableway distance sensing device based on pulse signals

Info

Publication number: CN218511754U
Application number: CN202223012436.1U
Authority: CN
Inventors: 农含; 韦治高; 程雄辉
Original assignee: Nanning Qiang Guo Technology Co ltd
Current assignee: Nanning Qiang Guo Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-02-21
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a cableway is apart from sensing device based on pulse signal belongs to cableway apart from sensing technical field. The distance sensing device comprises a shell, a sensor and a controller, wherein the shell comprises a base, a shell and a shell cover; a shell is arranged at one end of the base; the shell cover is detachably connected with the shell; the sensing assembly comprises a circuit board and a first Hall sensor; the circuit board is arranged in the shell; the first Hall sensor is arranged on the panel of the circuit board; the rotating assembly comprises a rotating shaft, a rotating disc and a blocking piece; the rotating shaft is rotatably arranged on the shell cover, and one end of the rotating shaft extends into the shell; the rotating disc is arranged at one end of the rotating shaft extending into the shell; the blocking pieces are arranged on one surface of the rotary disc facing the circuit board; the separation blades are distributed along the circumferential direction of the turntable; when the turntable rotates, the blocking piece shields the first Hall sensor. The utility model discloses a first hall sensor and circuit board output pulse signal realize the informationization transmission of cableway range finding, and the precision is accurate, and positioning error is little.

Description

Cableway distance sensing device based on pulse signals

Technical Field

The utility model belongs to the technical field of cableway distance sensing equipment, concretely relates to cableway distance sensing device based on pulse signal.

Background

In the hydrological test, the distance measurement of the hydrological cable channel is an important component, and when the distance of the hydrological cable channel is measured, the starting point distance (horizontal movement distance of the fish lead) and the water depth (vertical movement distance of the fish lead) in the test process are mainly measured. The distance measuring process can adopt a mechanical counter to measure, the mechanical counter is arranged on the winch, a rotating shaft of the mechanical counter is in mechanical transmission connection with an output shaft of the winch, and the mechanical counter is driven by the winch. However, the measurement mode is relatively backward, information transmission cannot be performed, the development of hydrological cableway distance measurement is restricted to a certain extent, and the mechanical counter is used for a long time, so that the positioning error and the precision are gradually increased, and the distance measurement of the cableway is seriously influenced.

In view of this, a cable path distance sensing device based on a pulse signal needs to be designed, which can perform information transmission and is connected to corresponding cable path detection equipment to realize automation of cable path measurement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cableway distance sensing device based on pulse signal can carry out the information-based transmission, is connected with corresponding cableway check out test set, realizes cableway measuring automation.

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

a cableway distance sensing device based on a pulse signal, comprising: a housing comprising a base, a shell, and a shell cover; a shell is arranged at one end of the base; the shell is provided with an open end; the shell cover is detachably connected with the shell; the sensor assembly comprises a circuit board and a first Hall sensor; the circuit board is arranged in the shell; the first Hall sensor is arranged on a panel of the circuit board; the first Hall sensor is electrically connected with the circuit board; the circuit board is electrically connected with the cableway detection device; the rotating assembly comprises a rotating shaft, a rotating disc and a blocking piece; the rotating shaft is rotatably arranged on the shell cover, one end of the rotating shaft extends into the shell, and the other end of the rotating shaft is exposed out of the shell; the rotating disc is arranged at one end of the rotating shaft extending into the shell; the blocking pieces are arranged on one surface, facing the circuit board, of the rotary disc; the blocking pieces are distributed at equal intervals along the circumferential direction of the turntable; when the turntable rotates, the blocking piece shields the first Hall sensor.

As a further improvement of the technical solution, the sensing assembly further comprises: the second Hall sensor is arranged on the panel of the circuit board, which is provided with the first Hall sensor, and the second Hall sensor is electrically connected with the circuit board; the first Hall sensors and the second Hall sensors are distributed at intervals in the circumferential direction of the circuit board; the first Hall sensors and the second Hall sensors are distributed at intervals in the circumferential direction of the circuit board, and the vertical distance between the first Hall sensors and the axis of the rotating shaft is equal to the vertical distance between the blocking piece and the axis of the rotating shaft.

As the technical scheme, the sensing assembly further comprises: the converter is positioned outside the shell, and the circuit board is electrically connected with the cableway detection device through the converter.

As a further improvement of the technical solution, the light shielding member is a light shielding cover, and the light shielding member is disposed in the housing corresponding to the light emitter and the light receiver.

As a further improvement of the technical scheme, one end of the rotating shaft, which is exposed out of the shell, is provided with a synchronizing wheel.

As a further improvement of the technical solution, the rotating assembly further comprises: the mechanical counter is arranged at the other end of the base; the mechanical counters are on the same straight line; one end of the rotating shaft extending into the shell penetrates through the circuit board and the shell and is connected with a rotating shaft of the mechanical counter.

As a further improvement of the technical scheme, the rotating shaft is movably connected with a rotating shaft of the mechanical counter through a bolt.

As a further improvement of the technical scheme, the number of the baffle plates is 6-14.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model outputs pulse signals through the first Hall sensor and the circuit board, and realizes the informationized transmission of cableway distance measurement; the winch is in transmission connection with the rotating shaft, when the winch is started, the rotating shaft is driven to rotate, the rotating disc starts to rotate along with the rotating shaft, the first Hall sensor is shielded by the blocking pieces alternately during rotation, high and low levels of alternating output of the first Hall sensor occur, a pulse signal is formed through the circuit board, each blocking piece shields the first Hall sensor and outputs one pulse signal, the circuit board transmits the pulse signals to the cable channel detection equipment, the cable channel detection equipment processes and calculates the pulse signals, and the distance of the cable channel is displayed on the display screen; the distance length of the cable channel is effectively measured, the pulse signals are used for information transmission of cable channel distance measurement, automation of cable channel measurement is achieved, and compared with the traditional mechanical counter measurement, the cable channel distance measuring device is high in pulse signal measurement accuracy, small in positioning error and good in cable channel distance measuring effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a cable path distance sensing device based on pulse signals according to the present invention;

fig. 2 is a top view provided by the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

fig. 4 is a schematic view of the split structure provided by the present invention;

FIG. 5 is a schematic view of the overall structure of the present invention;

FIG. 6 is a schematic diagram of the structure of the present invention;

reference numerals: 1-shell, 11-base, 12-shell, 13-shell cover, 2-sensing component, 21-circuit board, 22-first Hall sensor, 23-second Hall sensor, 24-converter, 3-rotating component, 31-rotating shaft, 311-synchronous wheel, 32-rotating disc, 33-baffle plate and 34-mechanical counter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 5, a cable path distance sensing apparatus based on a pulse signal includes: the machine shell comprises a machine shell 1, wherein the machine shell 1 comprises a base 11, a shell 12 and a shell cover 13; one end of the base 11 is provided with a shell 12; the housing 12 is provided with an open end; the shell cover 13 and the shell 12 can be in threaded connection or in bolt connection, and the shell 12 and the shell cover 13 are in circular structures; the sensing assembly 2, the sensing assembly 2 includes the circuit board 21 and the first hall sensor 22; the circuit board 21 is arranged in the shell 12, and the circuit board 21 is also of a circular structure; the first hall sensor 22 is arranged on the panel of the circuit board 21 facing the open end of the shell 12; the first Hall sensor 22 is in circuit connection with the circuit board 21, a circuit module capable of processing signals of the Hall sensor is arranged on the circuit board 21, a Hall semiconductor element and a permanent magnet are arranged in the first Hall sensor 22, the Hall semiconductor element and the permanent magnet are arranged in a spaced mode, and a large gap is reserved between the Hall semiconductor element and the permanent magnet; the circuit board 21 is in circuit connection with the cableway detection device through a cable; the rotating assembly 3, the rotating assembly 3 includes the rotating shaft 31, the rotary table 32 and the baffle 33; the rotating shaft 31 is rotatably arranged on the shell cover 13 through a bearing, one end of the rotating shaft 31 extends into the shell 12, and the other end of the rotating shaft 31 is exposed out of the shell 12 and is in mechanical transmission connection with the winch; the rotary disc 32 is arranged at one end of the rotating shaft 31 extending into the shell 12, and the rotary disc 32 and the rotating shaft 31 are integrally arranged; a plurality of blocking pieces 33 are arranged on one surface of the turntable 32 facing the circuit board 21; the blocking pieces 33 are distributed at equal intervals along the circumferential direction of the turntable 32, and the blocking pieces 33 are made of metal materials; when the turntable 32 rotates, the blocking piece 33 passes through the gap between the hall semiconductor element and the permanent magnet to block the first hall sensor 22. In addition, it should be noted that the connection mode of the first hall sensor and the circuit board is a conventional connection, and the specific model of the first hall sensor and the circuit board is not a point of improvement created by the present invention, and will not be described in detail here.

The working mode is as follows:

when the winch is started, the rotating shaft 31 is driven to rotate, the rotating disc 32 starts to rotate along with the rotating shaft 31, the plurality of blocking pieces 33 alternately block the first hall sensor 22 during rotation, so that the first hall sensor alternately outputs high and low levels, a pulse signal is formed through the circuit board 21, each blocking piece 33 blocks the first hall sensor 22 to output one pulse signal, the circuit board 21 transmits the pulse signals to the cableway detection device, the cableway detection device processes and calculates the pulse signals, the distance of the cableway is displayed on the display screen, and the method is similar to the application of the hall sensor to a taximeter; the distance length of the cableway is effectively measured, the information transmission of cableway distance measurement is carried out by using the pulse signals, the automation of cableway measurement is realized, and compared with the measurement of a traditional mechanical counter, the measurement precision is high through the pulse signals, the positioning error is small, and the cableway distance measurement effect is good.

As shown in fig. 4 and 6, preferably, the sensing assembly 2 further includes: the second hall sensor 23, the second hall sensor 23 is set up on the faceplate that the circuit board 21 has the first hall sensor 22, the second hall sensor 23 is electrically connected with circuit board 21, the second hall sensor 23 is the same as structure of the first hall sensor 22; the first hall sensors 22 and the second hall sensors 23 are distributed at intervals in the circumferential direction of the circuit board 21; the first hall sensor 22 and the second hall sensor 23 are distributed at intervals in the circumferential direction of the circuit board 21, and the vertical distance between the first hall sensor 22 and the second hall sensor 23 and the axis of the rotating shaft 31 is equal to the vertical distance between the blocking piece 33 and the axis of the rotating shaft 31, so that when the turntable 32 rotates, the blocking piece 33 can penetrate through and block the first hall sensor 22 and the second hall sensor 23; when the blocking piece 33 blocks the first Hall sensor 22 first and then blocks the second Hall sensor 23, two level outputs are formed after the processing of the circuit board 21, a pulse adding signal is formed after the processing of the circuit board 21 to indicate that the cable path is extending (extending), when the blocking piece 33 blocks the second Hall sensor 23 first and then blocks the first Hall sensor 22, a pulse subtracting signal is formed after the processing of the circuit board 21 to indicate that the cable path is shortening (retracting), the cable path detection equipment processes and calculates the pulse adding and subtracting signal, the distance of the cable path is displayed on a display screen, the function of measuring and calculating the distance of the cable path is enriched, and the automation of measuring and calculating the extending and retracting distance of the cable path is realized by utilizing the information transmission of the pulse signal.

As shown in fig. 2, 4 to 6, preferably, the sensing assembly 2 further includes: the converter 24 is located outside the machine shell 1 and can be arranged on a winch shell during installation, the circuit board 21 is electrically connected with the cable channel detection equipment through the converter 24, two ends of the converter 24 are respectively in circuit connection with the circuit board 21 and the cable channel detection equipment through cables, the converter 24 can effectively integrate and buffer pulse signals sent by the circuit board 21 and send the pulse signals to the cable channel detection equipment circuit, the pulse signals are prevented from jumping, and the transmission quality of the pulse signals is improved. In addition, it should be noted that the converter is the prior art, and the specific model thereof is not the improvement point created by the present invention, and thus the details are not described herein.

As shown in fig. 2, fig. 3 and fig. 5, preferably, a synchronizing wheel 311 is disposed at one end of the rotating shaft 31 exposed outside the housing 12, the synchronizing wheel 311 is connected to the winch through a synchronizing belt, the synchronizing belt does not slide during operation, the transmission is stable, the transmission efficiency is high, stable rotation of the rotating shaft 31 can be ensured, errors caused during transmission can be reduced, and the accuracy can be improved.

As shown in fig. 2 to 5, preferably, the rotating assembly 3 further includes: a mechanical counter 34, the mechanical counter 34 being disposed at the other end of the base 11; the mechanical counters 34 are collinear; the shell 12 and the circuit board 21 are provided with through holes corresponding to the rotating shaft 31, one end of the rotating shaft 31 extending into the shell 12 penetrates through the through holes on the circuit board 21 and the shell 12 and is connected with a rotating shaft of the mechanical counter 34, the rotating shaft 31 drives the mechanical counter 34 to rotate simultaneously when rotating, and when the cable path detection equipment has an error in operation, the mechanical technician 34 approves and corrects the distance measurement of the cable path. It should be noted that mechanical counters are commercially available, and the specific model thereof is not an improvement of the prior art and will not be described in detail herein.

As shown in fig. 2, 3 and 5, the rotating shaft 31 is preferably movably connected to the rotating shaft of the mechanical counter 34 through a pin, so as to facilitate the calibration and debugging of the mechanical counter 34 and the cableway detection device.

Preferably, the number of the blocking pieces 33 is 6-14, the common number of the blocking pieces 33 is 6, 7, 8, 9, 10, 11, 12, 13 and 14, and the number of the blocking pieces 33 can be set according to the rotating speed of the winch so as to realize uniform transmission of the pulse signals and ensure the transmission quality of the pulse signals.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A cableway distance sensing device based on a pulse signal, comprising:

the device comprises a machine shell (1), wherein the machine shell (1) comprises a base (11), a shell (12) and a shell cover (13); a shell (12) is arranged at one end of the base (11); the housing (12) is provided with an open end; the shell cover (13) is detachably connected with the shell body (12);

a sensing assembly (2), the sensing assembly (2) comprising a circuit board (21) and a first Hall sensor (22); the circuit board (21) is arranged in the shell (12); the first Hall sensor (22) is arranged on a panel of the circuit board (21); the first Hall sensor (22) is electrically connected with the circuit board (21); the circuit board (21) is electrically connected with the cableway detection device;

the rotating assembly (3), the rotating assembly (3) comprises a rotating shaft (31), a turntable (32) and a baffle plate (33); the rotating shaft (31) is rotatably arranged on the shell cover (13), one end of the rotating shaft (31) extends into the shell (12), and the other end of the rotating shaft is exposed out of the shell (12); the rotating disc (32) is arranged at one end of the rotating shaft (31) extending into the shell (12); the blocking pieces (33) are arranged on one surface, facing the circuit board (21), of the rotary disc (32); the baffle plates (33) are distributed at equal intervals along the circumferential direction of the rotary disc (32); when the turntable (32) rotates, the blocking piece (33) shields the first Hall sensor (22).

2. The pulse signal-based cableway distance sensing device according to claim 1, characterized in that said sensing assembly (2) further comprises:

the second Hall sensor (23) is arranged on the panel of the circuit board (21) provided with the first Hall sensor (22), and the second Hall sensor (23) is electrically connected with the circuit board (21); the first Hall sensors (22) and the second Hall sensors (23) are distributed at intervals in the circumferential direction of the circuit board (21), and the vertical distance between the first Hall sensors and the axis of the rotating shaft (31) is equal to the vertical distance between the blocking piece (33) and the axis of the rotating shaft (31).

3. The cableway distance sensing device based on a pulse signal according to claim 2, characterized in that the sensing assembly (2) further comprises:

the converter (24), the converter (24) is located outside the machine shell (1), and the circuit board (21) is electrically connected with the cableway detection device through the converter (24).

4. The cableway distance sensing device based on a pulse signal according to claim 1, characterized in that the end of the rotating shaft (31) exposed outside the housing (12) is provided with a synchronizing wheel (311).

5. The pulse signal-based cableway distance sensing device according to claim 1, characterized in that said rotating assembly (3) further comprises:

a mechanical counter (34), wherein the mechanical counter (34) is arranged at the other end of the base (11); the mechanical counters (34) are on the same straight line; one end of the rotating shaft (31) extending into the shell (12) penetrates through the circuit board (21) and the shell (12) and is connected with a rotating shaft of the mechanical counter (34).

6. The cableway distance sensing device based on a pulse signal according to claim 5, characterized in that the rotating shaft (31) is movably connected with the rotating shaft of the mechanical counter (34) through a bolt.

7. The pulse-signal-based cableway distance sensing device according to any one of claims 1 to 6, characterized in that the number of the blocking pieces (33) is 6 to 14.