阅读说明：本技术 一种对比式测速控制仪 (Contrast type speed measurement controller ) 是由 林振建 于 2019-11-22 设计创作，主要内容包括：本发明实施例公开了一种对比式测速控制仪,具体涉及输送带速度监控领域,包括控制仪壳体,所述控制仪壳体的前端连接有防护盖,且控制仪壳体的内部位于防护盖的内侧安装有电路板,所述电路板上安装有第一传感器,所述第一传感器的一侧安装有第二传感器,所述第二传感器的一侧安装有第三传感器,所述电路板上靠近第一传感器、第二传感器和第三传感器的一侧均安装有单片机微处理器,且电路板上安装有显示屏,所述显示屏共设置有三个,且分别设置在第一传感器、第二传感器和第三传感器的上方一侧。本发明具有同步三通道报警输出功能,与特制的三组高频率脉冲电流传感器配套使用,能方便的被编程用于低速、超速或零速报警。(The embodiment of the invention discloses a contrast type speed measurement controller, and particularly relates to the field of monitoring of the speed of a conveying belt. The invention has synchronous three-channel alarm output function, is matched with three groups of specially-made high-frequency pulse current sensors for use, and can be conveniently programmed for low-speed, over-speed or zero-speed alarm.)

1. The utility model provides a contrast formula tachometer control appearance, includes control appearance casing (1), its characterized in that: the front end of the controller shell (1) is connected with a protective cover (2), a circuit board (3) is installed on the inner side of the protective cover (2) inside the controller shell (1), a first sensor (9) is installed on the circuit board (3), a second sensor (10) is installed on one side of the first sensor (9), a third sensor (11) is installed on one side of the second sensor (10), a single-chip microcomputer (12) is installed on one side, close to the first sensor (9), the second sensor (10) and the third sensor (11), of the circuit board (3), a display screen (4) is installed on the circuit board (3), the number of the display screen (4) is three, the display screen is respectively arranged on one side of the tops of the first sensor (9), the second sensor (10) and the third sensor (11), a power indicator lamp (5) is arranged on the top of the display screen (4), and an action indicator lamp (6) is arranged on one side of the power indicator lamp (5), and an operation key (7) is arranged below the display screen (4).

2. A contrast type speed measurement controller according to claim 1, wherein: four fixing bolt (21) that set up through the corner between protective cover (2) and the control appearance casing (1) are connected, the inside of control appearance casing (1) corresponds the screw rod outside position department of fixing bolt (21) and is provided with screw hole (22).

3. A contrast type speed measurement controller according to claim 1, wherein: the inside of controller casing (1) is close to four corner position departments and all is provided with locating hole (23), the inboard position department that the inside wall of protective cover (2) corresponds locating hole (23) is provided with the locating lever.

4. A contrast type speed measurement controller according to claim 1, wherein: the controller shell (1) and the protective cover (2) are both members made of refined aluminum cast alloy materials.

5. A contrast type speed measurement controller according to claim 1, wherein: the outside position department that the inside of protective cover (2) corresponds display screen (4) is provided with glass protection casing (8), the edge of glass protection casing (8) is connected with fixed frame, through bolt fixed connection between the outer wall of fixed frame and protective cover (2).

6. A contrast type speed measurement controller according to claim 1, wherein: the first sensor (9), the second sensor (10) and the third sensor (11) are high-frequency pulse current sensors.

7. A contrast type speed measurement controller according to claim 1, wherein: the operation key (7) is composed of a setting key, a shifting key and an adjusting key.

Technical Field

The embodiment of the invention relates to the field of conveyor belt speed monitoring, in particular to a contrast type speed measurement controller.

Background

The belt conveyor is also called as a rubber belt conveyor, has strong conveying capacity, long conveying distance, simple structure and easy maintenance, can conveniently carry out programmed control and automatic operation, and is widely applied to various industries such as household appliances, electronics, electric appliances, machinery, tobacco, injection molding, post and telecommunications, printing, food and the like, and the assembly, detection, debugging, packaging, transportation and the like of objects.

Present belt conveyor is in the use, need monitor and control its transmission speed, consequently need use the tachymeter, but the current tachymeter control appearance product function that is used for belt conveyor is simple, only single channel one-way signal output, and can only detect the low-speed signal, do not possess other functions, the service function is single, the shortcoming of poor reliability, because rubber belt conveyor the shake can appear at the operation in-process sticky tape, the load that the sticky tape bore is irregular can arouse the anomalous change of sticky tape functioning speed, and the external reason arouses that the sensor goes wrong and all can the unnecessary shut down the condition, thereby the normal operating of equipment has been influenced.

Disclosure of Invention

Therefore, the embodiment of the invention provides a contrast type speed measurement controller which has a synchronous three-channel alarm output function, is matched with three specially-made groups of high-frequency pulse current sensors for use, can be conveniently programmed for low-speed, over-speed or zero-speed alarm, and solves the problems caused by the fact that only a single-channel single-path signal is output, only a low-speed signal can be detected, other functions are not provided, the use function is single, and the reliability is poor in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a contrast speed measurement controller comprises a controller shell, wherein the front end of the controller shell is connected with a protective cover, and a circuit board is arranged inside the controller shell and positioned on the inner side of the protective cover, a first sensor is arranged on the circuit board, a second sensor is arranged on one side of the first sensor, a third sensor is arranged on one side of the second sensor, a singlechip microprocessor is arranged on one side of the circuit board close to the first sensor, the second sensor and the third sensor, and the circuit board is provided with three display screens which are respectively arranged at one side above the first sensor, the second sensor and the third sensor, the display screen is characterized in that a power indicator lamp is arranged above the display screen, an action indicator lamp is arranged on one side of the power indicator lamp, and an operation key is arranged below the display screen.

Further, four fixing bolts arranged through corners are connected between the protective cover and the controller shell, and threaded holes are formed in the positions, corresponding to the outer positions of the screws of the fixing bolts, in the controller shell.

Further, the inside of controller casing is close to four corner position departments and all is provided with the locating hole, the inboard position department that the inside wall of protective cover corresponds the locating hole is provided with the locating lever.

Further, the control instrument shell and the protective cover are both components made of refined aluminum cast alloy materials.

Further, the outside position department that the inside of protective cover corresponds the display screen is provided with the glass protection casing, the edge of glass protection casing is connected with fixed frame, through bolt fixed connection between the outer wall of fixed frame and protective cover.

Further, the first sensor, the second sensor and the third sensor are all high-frequency pulse current sensors.

Furthermore, the operation key is composed of a setting key, a shifting key and an adjusting key.

The embodiment of the invention has the following advantages: the controller adopts a single chip microprocessor rapid processing technology, is applied to online speed slip monitoring of a belt conveyor belt, has a synchronous three-channel alarm output function, is matched with three specially-made high-frequency pulse current sensors, can be conveniently programmed for low-speed, over-speed or zero-speed alarm, adopts precise non-contact detection and is sealed and filled by resin, and a shell made of industrial-grade refined aluminum casting alloy has good sealing performance, can stably work in a severe environment for a long time, and has three unique external display windows, so that the field operation numerical condition can be visually observed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

FIG. 3 is a control circuit diagram of a first sensor of the present invention;

FIG. 4 is a control circuit diagram of a second sensor in the present invention;

FIG. 5 is a control circuit diagram of a third sensor of the present invention;

in the figure: the device comprises a controller shell 1, a protective cover 2, a circuit board 3, a display screen 4, a power indicator 5, an action indicator 6, an operation key 7, a glass protective cover 8, a first sensor 9, a second sensor 10, a third sensor 11, a single-chip microcomputer microprocessor 12, a fixing bolt 21, a threaded hole 22 and a positioning hole 23.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-5 in the specification, the contrast type speed measurement controller of the embodiment comprises a controller shell 1, wherein a protective cover 2 is connected to the front end of the controller shell 1, a circuit board 3 is arranged inside the controller shell 1 and positioned on the inner side of the protective cover 2, a first sensor 9 is arranged on the circuit board 3, a second sensor 10 is arranged on one side of the first sensor 9, a third sensor 11 is arranged on one side of the second sensor 10, a single-chip microprocessor 12 is arranged on one side of the circuit board 3 close to the first sensor 9, the second sensor 10 and the third sensor 11, a display screen 4 is arranged on the circuit board 3, the number of the display screens 4 is three, the display screens are respectively arranged on one side above the first sensor 9, the second sensor 10 and the third sensor 11, a power indicator lamp 5 is arranged above the display screen 4, an action indicator lamp 6 is arranged on one side of the power indicator lamp 5, and an operation key 7 is arranged below the display screen 4.

Further, four fixing bolt 21 that set up through the corner between protective cover 2 and the controller casing 1 are connected, the inside screw rod external position department that corresponds fixing bolt 21 of controller casing 1 is provided with screw hole 22, and the connection between protective cover 2 and the controller casing 1 of being convenient for is fixed.

Further, the inside of controller casing 1 all is provided with locating hole 23 near four corner position departments, the inboard position department that the inside wall of protective cover 2 corresponds locating hole 23 is provided with the locating lever, is convenient for make protective cover 2 install more accurate when controller casing 1.

Further, control appearance casing 1 and protective cover 2 are the component of a refined aluminium cast alloy material, are convenient for improve the structural strength and the stability of instrument, make it can be in the stable work of abominable environment.

Further, the outside position department that the inside of protective cover 2 corresponds display screen 4 is provided with glass protection casing 8, the edge of glass protection casing 8 is connected with fixed frame, through bolt fixed connection between the outer wall of fixed frame and protective cover 2, the installation of glass protection casing 8 of being convenient for, and then makes things convenient for the operator to read the data on the display screen 4.

Further, the first sensor 9, the second sensor 10 and the third sensor 11 are high-frequency pulse current sensors.

Furthermore, the operation key 7 is composed of a setting key, a shifting key and an adjusting key.

The implementation scenario is specifically as follows: the front end of a controller shell 1 is connected with a protective cover 2, the protective cover 2 is connected with the controller shell 1 through four fixing bolts 21 arranged at corners, a threaded hole 22 is arranged at a position, corresponding to the outside of a screw rod of the fixing bolt 21, inside the controller shell 1, a protective cover 2 is convenient to be connected and fixed with the controller shell 1, the controller shell 1 and the protective cover 2 are both components made of refined aluminum cast alloy materials, the structural strength and the stability of an instrument are convenient to be improved, the instrument can stably work in a severe environment, a circuit board 3 is arranged at the inner side of the protective cover 2 inside the controller shell 1, a first sensor 9 is arranged on the circuit board 3, a second sensor 10 is arranged at one side of the first sensor 9, a third sensor 11 is arranged at one side of the second sensor 10, the first sensor 9, the second sensor 10 and the third sensor 11 all adopt high-frequency pulse current sensors, the high-frequency pulse current sensor adopts precise non-contact detection and is sealed by resin, a single-chip microcomputer 12 is arranged on one side of a circuit board 3 close to a first sensor 9, a second sensor 10 and a third sensor 11, a display screen 4 is arranged on the circuit board 3, the number of the display screens 4 is three, the three display screens are respectively arranged on one side above the first sensor 9, the second sensor 10 and the third sensor 11, a glass protective cover 8 is arranged in the protective cover 2 corresponding to the outer side position of the display screen 4, the edge of the glass protective cover 8 is connected with a fixed frame, the fixed frame is fixedly connected with the outer wall of the protective cover 2 through bolts, the glass protective cover 8 is convenient to install, an operator can read data on the display screen 4 conveniently, a power indicator lamp 5 is arranged above the display screen 4, and an action indicator lamp 6 is arranged on one side of the power indicator lamp 5, the control instrument adopts a singlechip microprocessor 12 rapid processing technology, is applied to online speed slip monitoring of a belt conveyor belt, has a synchronous three-channel alarm output function, is matched with three specially-made groups of high-frequency pulse current sensors, can be conveniently programmed for low-speed, overspeed or zero-speed alarm, adopts precise non-contact detection and resin sealing and filling for the high-frequency pulse current sensors, has good sealing performance, can stably work in severe environment for a long time, has unique external three display windows, can visually observe the field running numerical value condition, has unique technology, can detect low-speed signals, meter damage and meter power failure, When the probe is damaged and the probe is broken, the functions of alarm detection and driven wheel brake detection are achieved.

The working principle is as follows: by arranging a controller shell 1, a protective cover 2, a circuit board 3, a first sensor 9, a second sensor 10 and a third sensor 11, wherein the first sensor 9, the second sensor 10 and the third sensor 11 all adopt high-frequency pulse current sensors which adopt precise non-contact detection and are sealed and filled with resin, a singlechip microprocessor 12 is arranged on one side of the circuit board 3 close to the first sensor 9, the second sensor 10 and the third sensor 11, a display screen 4 is arranged on the circuit board 3, the display screens 4 are arranged in three numbers and are respectively arranged on one sides above the first sensor 9, the second sensor 10 and the third sensor 11, a power indicator 5 is arranged above the display screen 4, an action indicator 6 is arranged on one side of the power indicator 5, and an operation key 7 is arranged below the display screen 4, the operation key 7 consists of three parts of a setting key, a shifting key and an adjusting key, the control instrument adopts the rapid processing technology of a singlechip microprocessor 12, is applied to the online speed slip monitoring of the belt conveyor, has the synchronous three-channel alarm output function, the high-frequency pulse current sensor is matched with three specially-made groups of high-frequency pulse current sensors for use, can be conveniently programmed for low-speed, over-speed or zero-speed alarm, adopts precise non-contact detection and is sealed and filled with resin, has good sealing performance by an industrial-grade refined aluminum cast alloy shell, can work stably for a long time in a severe environment, the unique external three display windows can observe the field operation numerical condition very intuitively, the special technology can detect low-speed signals, meter damage, meter power failure, probe damage and probe disconnection, and has the functions of alarm detection and driven wheel brake detection.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.