CN2615645Y

CN2615645Y - Remote transmitting water meter information device

Info

Publication number: CN2615645Y
Application number: CN 03229800
Authority: CN
Inventors: 王正伟; 孙建宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-27
Filing date: 2003-03-27
Publication date: 2004-05-12
Anticipated expiration: 2013-03-27

Abstract

A communication device for telemetering water flowmeter can reliably detect, delivery flow quantity signal and detect external magnetic field interference. The communication device for telemetering water flowmeter is characterized in that a dry reed pipe K1 is arranged at a portion with a at least 3 millimeters distance away from a magnetic index hand when the magnetic index hand turns in water flowmeter through lower space of the inner chamber of an assemblage stand, which makes the magnetic index hand can have a thorough effect on the dry reed pipe K1. A dry reed pipe K2 is arranged on the upper portion of the inner chamber of the assemblage stand, which makes the magnetic index hand have no effect on the dry reed pipe K2. The two dry reed pipes are welded on the etched circuit card arranged in the chamber of the assemblage stand, and can be concatenated respectively with a resistance, and then connected in parallel with each other. The two dry reed pipes are connected with a meter reading host machine by two directing lines, or by three directing lines. When the communication device for telemetering water flowmeter works normally, the dry reed pipe K1 closes or liberates steadily under the effect of the magnetic index hand, and deliveries flow quantity signal. When under external magnetic field interference, the dry reed pipe K2 will close necessarily and deliver external magnetic field interference signal.

Description

The remote transmitting water meter signal transmitter

Affiliated technical field

The utility model relates to conversion, the transmission of the flow signal of mechanical type water meter, is the device that can detect, send mechanical type watermeter flowing rate signal.

Prior art

The primary structure and the principle of work of dry-reed remote transmitting water meter are as follows: 1, adopt tongue tube and magnetic pointer to constitute the watermeter flowing rate signal transducer.2, the magnetic pointer is installed in arbitrary scale rotating shaft of water meter indicating mechanism, and minimum distance was not more than on the water gage glass face of 8mm when tongue tube was installed in the rotation of magnetic pointer.When 3, water meter movement rotates, the magnetic pointer is made circumference and is rotated, revolution to and during the certain relative position of tongue tube, its magneticaction is in tongue tube, tongue tube be adhesive once, send the pulse signal of certain flow, send to the main frame of checking meter, realize the flow signal teletransmission of mechanical type water meter by connecting lead.

Adopt the remote transmitting water meter of above-mentioned signal transmitter, the problem that exists has: 1, owing to be subjected to magnetic pointer magnetic force size and water gage glass thickness limits, the magnetic force that the magnetic pointer acts on tongue tube a little less than, tongue tube often is operated in critical conditions, be subject to factor affecting such as external shock, produce misoperation, cause the flow signal error.2, tongue tube is influenced by external magnetic field in a single day, is in attracting state all the time, can't operate as normal.This interference often people makes troubles to management for causing.

In order to overcome above-mentioned signal transmitter job insecurity, can't to discern the technical matters that external magnetic field is disturbed, the utility model provides a kind of remote transmitting water meter signal transmitter, can make the tongue tube steady operation, and the identification external magnetic field is disturbed.

The technical solution adopted in the utility model is: signal transmitter is made of tongue tube K1, tongue tube K2, magnetic pointer, tongue tube mount pad, porose water gage glass, case.Tongue tube K1 is contained in the cavity of mount pad bottom, passes the water gage glass circular hole, inserts in the table place about minimum distance 3mm when the magnetic pointer rotates; The magnetic force of magnetic pointer can fully act on tongue tube, has guaranteed that tongue tube is closed or has discharged the reliable and stable of two states; Tongue tube K2 is contained in the upper cavity of mount pad, and the magnetic pointer in the table is to its not effect.The pin of tongue tube K1 and tongue tube K2 is welded on the printed circuit board (PCB) in the mount pad cavity, and is in parallel again after can connecting with a resistance respectively, is connected to the main frame of checking meter by two leads, also can be directly connected to the main frame of checking meter by three leads.During the remote transmitting water meter operate as normal, the magnetic pointer is made circumference and is rotated, and when forwarding to apart from tongue tube K1 certain distance, tongue tube K1 adhesive under the action of a magnetic field is once sent a flow signal.When external magnetic field was disturbed, the external magnetic field undesired signal was sent in the inevitable adhesive of tongue tube K2, and the main frame of being checked meter receives the back record and shows.

The utility model beneficial effect is: eliminated tongue tube effectively because of the external force influence produces misoperation or shake, guaranteed the reliable and stable of signal.When signal transmitter was disturbed by external magnetic field, signal transmitter can send disturbed signal, and this signal shows for the host record of checking meter or transmits, and provides clear and definite foundation reliably for the supvr has conveniently managed.Signal transmitter is simple and reliable for structure, is convenient to be installed on the domestic water meter.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified

Fig. 1 is the longitudinal profile structural map of first embodiment of signal transmitter.

Fig. 2 is the longitudinal profile structural map of second embodiment of signal transmitter.

Fig. 3 is the circuit theory diagrams that signal transmitter is connected with the main frame of checking meter.

Embodiment

In first embodiment shown in Figure 1, tongue tube K1 (1) level is installed in mount pad (4) inner chamber bottom, mount pad (4) is by the circular hole on the water gage glass (7), and tongue tube K1 (1) is installed in the place about closest approach 3mm when rotating apart from magnetic pointer (2).Tongue tube K2 (3) is installed in mount pad (4) inner chamber top, and the pin of two tongue tubes is welded on the printed circuit board (PCB) (5), passes case (6) by connection lead (8) and is connected to the main frame of checking meter.If connecting lead is two, should upward connects respectively at printed circuit board (PCB) (5) and weld each resistance with tongue tube K1 (1), tongue tube K2 (2).Mount pad bottom shoulder face compresses packing washer (9), and the joint portion of itself and water gage glass can not leaked.

In second embodiment shown in Figure 2, tongue tube K1 (1) is vertically mounted on mount pad (4) inner chamber bottom, and is identical among all the other steps and mode and first embodiment.

In Fig. 3, Fig. 3-(1) is the circuit theory diagrams that signal transmitter is connected with the main frame two wires of checking meter.Tongue tube K1 (1) connects with resistance R 1, and tongue tube K2 (2) connects with resistance R 2, is connected to the main frame of checking meter after two series circuit parallel connections.Fig. 3-(2) are signal transmitter and the three-way circuit theory diagrams that are connected of the main frame of checking meter.Tongue tube K1 (1) and tongue tube K2 (2) are directly connected to the main frame of checking meter by lead separately.

Claims

A kind of remote transmitting water meter signal transmitter constitutes the sensing signal transmitter by tongue tube and magnetic pointer.It is characterized in that: tongue tube K1 (1) level or vertically be installed in the bottom of mount pad (4) inner chamber, mount pad (4) passes the circular hole on the water gage glass (7), tongue tube K1 (1) is fixed to certain place in the table, and magnetic pointer (2) is when turning to certain position, and magnetic force has abundant effect to it; Tongue tube K2 (3) is installed in the top of mount pad (4) inner chamber, and magnetic pointer (2) turns to any position, and magnetic force is to its not effect.The pin of two tongue tubes is welded on the printed circuit board (PCB) (5), passes case (6) by connection lead (8) and is connected to the main frame of checking meter.