CN215421096U

CN215421096U - Telemetering terminal with magnetic sensitive switch

Info

Publication number: CN215421096U
Application number: CN202121415910.8U
Authority: CN
Inventors: 骆波; 庄严
Original assignee: Shaoxing Keqiao Binhai Water Supply Co ltd
Current assignee: Shaoxing Keqiao Binhai Water Supply Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-04
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a telemetering terminal with a magnetic-sensing switch, which comprises a shell and a storage battery arranged in the shell, wherein the magnetic-sensing switch comprises a triode, a resistor, a normally-on reed switch and a magnet, the triode, the resistor and the normally-on reed switch are positioned in the shell, the magnet is arranged outside the shell, the input end of the triode is connected with the storage battery, the output end of the triode is connected with the input end of the resistor, the output end of the resistor is connected with the input end of the normally-on reed switch, and the output end of the normally-on reed switch is connected with a current wiring terminal of the telemetering terminal. Through set up the magnetic-sensitive switch in the telemetering measurement terminating machine, make the magnet be close to the magnetic-sensitive switch outside equipment, equipment is closed, and the magnet is kept away from the magnetic-sensitive switch, and equipment opens, need not to open the cover and can restart equipment.

Description

Telemetering terminal with magnetic sensitive switch

Technical Field

The utility model relates to the technical field of remote measuring terminals, in particular to a remote measuring terminal with a magnetic sensitive switch.

Background

The remote measurement terminal can be widely used for remote measurement projects such as water level, water quality, flow rate and flow velocity, is specially used for water conservancy monitoring and geological monitoring, realizes acquisition of sensor data, uploads the sensor data to a collection central station through various communication networking modes, the central station performs model calculation according to the collected data to perform early warning service, and the central station can perform remote survey, remote configuration and remote maintenance on a remote control terminal.

In the use process of the remote terminal, the phenomena of poor heat dissipation, equipment failure and the like caused by overlong use time can occur, and equipment needs to be restarted. At present, equipment can only be restarted by manually plugging and unplugging the battery through opening the cover, so that time and labor are wasted, and the equipment is very inconvenient.

Disclosure of Invention

The utility model aims to provide a telemetering terminal with a magnetic-sensitive switch, wherein the magnetic-sensitive switch is arranged in the telemetering terminal, a magnet is close to the magnetic-sensitive switch outside equipment, the equipment is closed, the magnet is far away from the magnetic-sensitive switch, the equipment is opened, and the equipment can be restarted without opening a cover.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a telemetering measurement terminating machine with magnetic-sensing switch, include the casing and locate the battery in the casing, magnetic-sensing switch includes the triode, resistance, normal open dry reed pipe and magnet, the triode, resistance and normal open dry reed pipe locate in the casing, outside the casing was located to the magnet, the input and the battery of triode were connected, the output and the input of resistance of triode are connected, the output and the input of normal open dry reed pipe of resistance are connected, the output and the current binding post of telemetering measurement terminating machine of normal open dry reed pipe are connected.

Preferably, the magnetic sensitive switch is fixed on the bottom surface of the machine cover or the inner wall of the machine shell, and the corresponding area of the top surface of the machine cover or the outer wall of the machine shell is provided with a mark area.

Preferably, the magnetic sensitive switch is adhered to the bottom surface of the cover or the inner wall of the casing.

Preferably, the normally open reed pipe comprises a glass pipe and two magnetized reeds sealed in the glass pipe, the two reeds are provided with contacts at the end points and are in contact with each other, and inert gas is filled in the glass pipe.

Preferably, the triode is an NPN-type silicon tube.

Preferably, the magnet is fixed outside the housing by a flexible cable and is spaced from the identification area.

The utility model has the beneficial effects that: set up the magnetic sensitive switch between the battery of supplying power for the telemetering measurement terminal machine and the current binding post of telemetering measurement terminal machine, make the magnet be close to the magnetic sensitive switch outside equipment, the contact of two reeds divides the open circuit, and equipment is closed, and the magnetic sensitive switch is kept away from to the magnet, and the contact actuation of two reeds switches on the circuit, and equipment is opened, need not to open the cover and can carry out heavily, labour saving and time saving to equipment.

Drawings

Fig. 1 is a schematic structural view of a magnetic sensitive switch arranged in a telemetry terminal.

FIG. 2 is a circuit diagram of a magnetic sensitive switch.

Fig. 3 is a structural schematic diagram of a normally open reed switch.

Fig. 4 is a simplified NPN transistor diagram.

Fig. 5 is a schematic structural diagram of an NPN transistor.

The labels in the figure are: the device comprises a machine shell 1, a machine cover 2, a magnetic sensitive switch 3, a triode 31, a base region 311, a collector region 312, an emitter region 313, an emitter junction 314, a collector junction 315, a resistor 32, a normally open reed pipe 33, a glass tube 331, a reed 332, a contact 333, a current wiring terminal 4, a magnet 5 and a flexible cable 51.

Detailed Description

The utility model is further described with reference to the following figures and detailed description. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention.

As shown in fig. 1-5, a telemetering terminal with a magnetic-sensing switch comprises a casing 1 and a cover 2 covering the casing 1, a storage battery is arranged in the casing 1, the magnetic-sensing switch 3 comprises a triode 31, a resistor 32, a normally-open reed pipe 33 and a magnet 5, the triode 31, the resistor 32 and the normally-open reed pipe 33 are located in the casing 1, the magnet is arranged outside the casing 1, the input end of the triode 31 is connected with the storage battery, the output end of the triode 31 is connected with the input end of the resistor 32, the output end of the resistor 32 is connected with the input end of the normally-open reed pipe 33, and the output end of the normally-open reed pipe 33 is connected with a current terminal 4 of the telemetering terminal.

A magnetic-sensitive switch 3 is arranged between a storage battery for supplying power to the telemetering terminal and a current wiring terminal of the telemetering terminal, a magnet is close to the magnetic-sensitive switch 3 outside the equipment, the equipment is closed, the magnet is far away from the magnetic-sensitive switch 3, the equipment is opened, and the equipment can be restarted without opening a cover. The magnetic-sensing switch is suitable for a telemetering terminal of H86B type manufactured by Zhejiang and Dakouchi technologies, and the device has overlarge current, and a resistor is added in the magnetic-sensing switch 3 to reduce the current passing through the normally-open reed switch 33 and prevent the damage to the normally-open reed switch 33 and even the device due to the overlarge current passing through the normally-open reed switch 33.

In some embodiments, the magnetic sensitive switch 3 is fixed on the inner wall of the casing 1 or the bottom surface of the cover 2, and the outer wall of the casing 1 or the top surface of the cover 2 is provided with a mark area in the corresponding area. The magnetic-sensitive switch is arranged on the inner wall of the shell 1 or the bottom surface of the cover 2, so that the distance between the magnetic-sensitive switch 3 and the magnet is reduced, and the equipment can be disconnected when the magnet is close to the magnetic-sensitive switch. The inner wall of the machine shell 1 or the corresponding area of the bottom surface of the machine cover 2 is provided with a marking area for conveniently identifying the position of the magnetic sensitive switch 3. The identification area may be transparent glass, or directly written with identification words, or paper with identification words attached thereto, although the arrangement of the identification area is not limited to the above-mentioned form. The magnetic switch 3 may be fixed to the inner wall of the casing 1 or the bottom surface of the lid 2 by bonding, screwing, or the like.

In some embodiments, as shown in fig. 3, the normally-open reed pipe 33 includes a glass tube 331, two magnetizable reeds 332 sealed in the glass tube 331, the ends of the two reeds 332 are provided with contacts 333 and are in contact with each other, and the glass tube 331 is filled with inert gas. The magnet is close to the magnetic sensitive switch outside the equipment, the contacts 333 of the two reeds are separated to break the circuit, the equipment is closed, the magnet is far away from the magnetic sensitive switch, the contacts 333 of the two reeds 332 attract and conduct the circuit, and the equipment is opened. The normally open reed switch 33 is that the two reeds 332 attract each other in a default state, and the circuit is continuously conducted. The reed 332 is made of iron or nickel metal material and can be magnetized. The contact 33 is plated with rhodium or ruthenium, which belongs to hard metal, so that the service life of the product can be greatly prolonged. Inert gases, such as nitrogen.

In some embodiments, transistor 31 is an NPN type silicon transistor. Transistor 31 is comprised of base 311, collector 312 and emitter 313, and correspondingly three pin bases 316, collectors 317 and emitters 318, b representing the base, c representing the collector, e representing the emitter, the NP junction between base 311 and emitter 313 being referred to as emitter junction 314, and the NP junction between base 311 and collector 312 being referred to as collector junction 315, see fig. 4 and 5. The detailed structure and principle of the transistor 31 belong to the conventional technology, and are not described herein.

In some embodiments, the magnet 5 is fixed to the outside of the housing 1 by a flexible cable 51, at a distance from the identification area. The flexible cable is a flexible strip, such as a rope. The flexible cable is used to connect the magnets to prevent the magnets from being lost. When the device is used, the magnet connected with the flexible cable is close to the identification area to complete the restart of the device. The flexible cable has a certain distance with the identification area in a free state, and unnecessary equipment restart is avoided. Of course, the magnet may also be carried manually.

The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.

Claims

1. The utility model provides a telemetering measurement terminating machine with magnetic-sensing switch, include the casing and locate the battery in the casing, a serial communication port, magnetic-sensing switch includes the triode, resistance, normal open dry reed pipe and magnet, the triode, resistance and normal open dry reed pipe locate in the casing, the magnet is located outside the casing, the input and the battery of triode are connected, the output and the input of resistance of triode are connected, the output and the input of normal open dry reed pipe of resistance are connected, the output and the current binding post of telemetering measurement terminating machine of normal open dry reed pipe are connected.

2. The telemetry terminal of claim 1, wherein the magnetic sensitive switch is fixed to a bottom surface of the lid or an inner wall of the casing, and a label area is provided in a corresponding area of the top surface of the lid or the outer wall of the casing.

3. The telemetry terminal of claim 2, wherein the magnetic sensitive switch is adhered to the bottom surface of the lid or the inner wall of the casing.

4. The telemetry terminal of claim 1, wherein the normally open reed switch comprises a glass tube, two magnetized reeds sealed in the glass tube, the ends of the two reeds being provided with contacts and contacting each other, and the glass tube being filled with inert gas.

5. The telemetry terminal having a magnetic switch as claimed in claim 1, wherein the transistor is an NPN type silicon transistor.

6. The telemetry terminal having a magnetic sensitive switch as claimed in claim 1, wherein the magnet is fixed to an outside of the housing by a flexible cable at a distance from the identification area.