CN212004481U

CN212004481U - Support multiple valve control type's NB mainboard

Info

Publication number: CN212004481U
Application number: CN202020728501.2U
Authority: CN
Inventors: 黄青龙; 唐代洪
Original assignee: Chongqing Xinchi Technology Co ltd
Current assignee: Chongqing Xinchi Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-11-24
Anticipated expiration: 2030-05-07

Abstract

The utility model provides a support multiple valve control type's NB mainboard, include: the device comprises a control module, a motor driving module, a wiring terminal, a switch K1 and a current detection module; the connecting terminal is provided with an F1 terminal, an F2 terminal, an F-FK terminal, a GND terminal and an F-FG terminal, the connecting terminal is provided with an F1 terminal and an F2 terminal for connecting to a motor, the F-FK terminal and the F-FG terminal in the connecting terminal are respectively connected to the output end of a first sensor and the output end of a second sensor in the switch-to-level type valve, and the ground end of the first sensor and the ground end of the second sensor in the switch-to-level type valve are both connected to the GND terminal of the connecting terminal; the first input/output terminal of the control module is connected to the SLEEP terminal of the motor drive module, and the second input/output terminal of the control module is connected to the IN1 terminal of the motor drive module. Support the problem that the prior art need produce different control type NB mainboards to switch to the type valve and electric current type valve that targets in place.

Description

Support multiple valve control type's NB mainboard

Technical Field

The utility model relates to a gas table or water control field, concretely relates to support NB mainboard of multiple valve control type.

Background

In the field of gas and water monitoring, valves are used for controlling the on-off of gas or water, and the valves can be divided into a switch-to-position type valve and a current-to-position type valve. The switch-in-place type valve comprises: the gas or water flow channel is opened or closed by the motor, a first sensor and a second sensor are arranged in the flow channel, the first sensor is used for detecting whether the execution part is opened in place or not, the second sensor is used for detecting whether the execution part is closed in place or not, the first sensor and the second sensor can be reed pipes, a permanent magnet is arranged at the edge of the execution part, the execution part is of a fan blade structure and rotates under the driving of the motor, the execution part opens the flow channel in place when the permanent magnet is close to the first sensor, the execution part closes the flow channel in place when the permanent magnet is close to the second sensor, one ends of the first sensor and the second sensor are grounded, the first sensor and the second sensor are respectively connected to two input ends of the controller, and whether the flow channel is opened in place or closed in place can be judged through the output of the first sensor and the second sensor, the first sensor and the second sensor need to be connected with two input ends of the controller respectively, and the motor needs to be connected with the controller through a motor driver. The current to position type valve includes: the controller is electrically connected with the motor through the motor driver, the motor drives the execution part to rotate, and the current when the motor driver drives the motor needs to be detected to judge whether the current is in place. Therefore, the NB main boards required by the switch to-position type valve and the current to-position type valve are different, different types of valves need different control type NB main boards, and the control type NB main boards need to be produced aiming at different valves, so that the production efficiency of the control type NB main boards is reduced, and large-scale production cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a support multiple valve control type's NB mainboard solves prior art and need produce the problem of different control type NB mainboards to switch type valve and electric current type valve that targets in place.

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

the utility model provides a support multiple valve control type's NB mainboard, include: the device comprises a control module, a motor driving module, a wiring terminal, a switch K1 and a current detection module; the connecting terminal is provided with an F1 terminal, an F2 terminal, an F-FK terminal, a GND terminal and an F-FG terminal, the connecting terminal is provided with an F1 terminal and an F2 terminal for connecting to a motor, the F-FK terminal and the F-FG terminal in the connecting terminal are respectively connected to the output end of a first sensor and the output end of a second sensor in the switch-to-level type valve, and the ground end of the first sensor and the ground end of the second sensor in the switch-to-level type valve are both connected to the GND terminal of the connecting terminal; the first input/output end of the control module is connected to the SLEEP end of the motor driving module, the second input/output end of the control module is connected to the IN1 end of the motor driving module, the third input/output end of the control module is connected to the IN2 end of the motor driving module, the OUT1 end of the motor driving module is connected to the F1 end of the wiring terminal, and the OUT1 end of the motor driving module is connected to the F2 end of the wiring terminal; a fourth input/output end of the control module is connected to the F-FG end of the wiring terminal, and a fifth input/output end of the control module is connected to the F-FK end of the wiring terminal; the current detection module includes: a resistor R43 and a resistor R42, a fifth input/output end of the control module is connected to one end of the resistor R43 through a switch K1, the other end of the resistor R43 is connected to one end of a resistor R42, a junction of the resistor R43 and the resistor R42 is connected to a GND terminal of the motor driving module, and the other end of the resistor R42 is grounded.

Preferably, the VM end of the motor driving module is connected to the power module VDD.

Preferably, the connection point between the VM end of the motor driving module and the power module VDD is connected to the positive electrode of the capacitor C5, and the negative electrode of the capacitor C5 is grounded

Preferably, the connection terminal includes: the body is provided with a first binding post, a second binding post, a third binding post, a fourth binding post and a fifth binding post which are mutually spaced, and the first binding post, the second binding post, the third binding post, the fourth binding post and the fifth binding post respectively correspond to an F1 end, an F2 end, an F-FK end, a GND end and an F-FG end.

Preferably, the switch K1 is installed on the body, and an elastic member is provided in the switch K1, and the elastic member is used for keeping the switch K1 in a closed state, and the switch K1 is in an open state if and only if the third terminal and/or the fifth terminal is connected with the connector.

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

when the switch is connected to the position type valve, the switch K1 is disconnected, the GND end of the motor driving module is directly grounded through a resistor R42, the F-FK end of the control module cannot detect the running current of the motor driving module in working, the F-FK end and the F-FG end in the connecting terminal are respectively connected to the output end of a first sensor and the output end of a second sensor in the switch to position type valve, and equivalently, the F-FK end and the F-FG end in the control module are respectively connected to the output end of the first sensor and the output end of the second sensor in the switch to position type valve, so that the operation of controlling the motor in the switch to position type valve according to the detection of the first sensor and the second sensor in the switch to position type valve is realized, and the requirement of monitoring the switch to position type valve is met. When the current is connected to the potential type valve, the switch K1 is closed, the F-FK end and the F-FG end in the connecting terminal are not connected with any equipment, the resistor R43 and the resistor R42 form a detection circuit with a circuit in the motor driving module, the current in the detection circuit is about dozens of mA when the motor driving module works normally, more than 100 mA is generally available after the current in the motor driving module is in place, and the control module judges whether the current is in place or not by carrying out ADC (analog to digital converter) sampling on the F-FK end, so that the requirement of connecting the current to the potential type valve is met. The NB mainboard is produced for the switch to-position type valve and the current to-position type valve, and is regulated and controlled to be used as required during reuse, so that the production efficiency is improved, large-scale production can be realized, the requirement of modern production is met, and the market demand is met.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a circuit diagram of a control module in an NB motherboard that supports multiple valve control types;

FIG. 2 is a circuit diagram of the NB motherboard with multiple types of valve control supported at the motor driver module and the current sense module;

fig. 3 is a circuit diagram at the connection terminal;

fig. 4 is a sectional view at the connection terminal.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

In order to realize the operation of the motor driving module, the VM end of the motor driving module is connected to the power module VDD.

In order to provide stable operation voltage for the motor driving module, the connection point of the VM terminal of the motor driving module and the power module VDD is connected to the anode of the capacitor C5, the cathode of the capacitor C5 is grounded

In order to design a connection terminal with a simple structure, the connection terminal comprises: the body 10 is provided with a first binding post 11, a second binding post 12, a third binding post 13, a fourth binding post 14 and a fifth binding post 15 which are mutually spaced, and the first binding post 11, the second binding post 12, the third binding post 13, the fourth binding post 14 and the fifth binding post 15 are arranged on the body 10, wherein the first binding post 11, the second binding post 12, the third binding post 13, the fourth binding post 14 and the fifth binding post 15 respectively correspond to an F1 end, an F2 end, an F-FK end, a GND end and an F-FG end.

In order to enable the switch K1 to be in a closed state when the third binding post 13 and the fifth binding post 15 are not connected with an external connector, the main board can be directly connected with a current in-place valve at the moment, and the use is convenient; when the third terminal 13 and the fifth terminal 15 are connected with an external connector, namely, the first sensor and the second sensor which are connected with the position type valve through the switch, at the moment, the switch K1 can be disconnected as long as the third terminal 13 and the fifth terminal 15 are connected, operation trouble caused by the need of independently adjusting the switch K1 is avoided, the switch K1 is installed on the body 10, an elastic piece is arranged in the switch K1 and used for keeping the switch K1 in a closed state, and if and only after the third terminal 13 and/or the fifth terminal 15 are connected with the connector, the switch K1 is in an open state.

The switch K1 includes: the contact assembly 21, the moving seat 22, the conducting strip 23, the first elastic strip 24, the second elastic strip 25 and the spring 26, wherein 7 jacks are formed in the body 10, the 7 jacks correspond to 1

first wiring terminal

11, 1

second wiring terminal

12, 2

third wiring terminals

13, 1

fourth wiring terminal

14 and 2 fifth wiring terminals 15 respectively, one third wiring terminal 13 is connected with the F-FK end of the control module, the other third wiring terminal 13 is connected with a first sensor of a position type valve, and the two third wiring terminals 13 are electrically connected; one fifth terminal 15 is connected with the F-FG end of the control module, the other fifth terminal 15 is connected with a switch to a second sensor of the position type valve, and the two fifth terminals 15 are electrically connected; every jack supplies the connector of corresponding end to insert, jack inner wall and connector buckle cooperation, it has a contact assembly 21 all to stretch into in the jack of third terminal 13 and fifth terminal 15, each contact assembly 21 all is used for contacting with the connector, each contact assembly 21 all is fixed to one and removes seat 22, remove and install conducting strip 23 on the seat 22, install first shell fragment 24 and the second shell fragment 25 of mutual interval on the inner wall of body 10, conducting strip 23, first shell fragment 24 and second shell fragment 25 all adopt conducting material to make, it is connected to spring 26 one end to remove seat 22, the spring 26 other end is connected to in the body 10, spring 26 is the elastic component, can keep conducting strip 23 and first shell fragment 24 and second shell fragment 25 to hug closely under spring 26 elasticity, first shell fragment 24 and second shell fragment 25 are equivalent to the both ends of switch K1. When the connectors are inserted into the corresponding sockets, the movable base 22 can drive the conductive plate 23 to move away from the first elastic sheet 24 and the second elastic sheet 25 through the contact assembly 21.

Each contact assembly 21 comprises: contact ring 211 and two connecting rods 212, contact ring 211 is used for being connected with the connector, contact ring 211 is connected to moving seat 22 through two connecting rods 212, contact ring 211 encircles outside corresponding third terminal 13 or fifth terminal 15, two connecting rods 212 make the installation of contact ring 211 stable, and guarantee that third terminal 13 or fifth terminal 15 can be connected with body 10, avoid influencing their installation, moving seat 22, connecting rod 212, conducting strip 23 and connecting rod 212 can move in the direction parallel with third terminal 13 and fifth terminal 15 relative body 10.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An NB motherboard supporting a plurality of valve control types, comprising: the device comprises a control module, a motor driving module, a wiring terminal, a switch K1 and a current detection module;

the connecting terminal is provided with an F1 terminal, an F2 terminal, an F-FK terminal, a GND terminal and an F-FG terminal, the connecting terminal is provided with an F1 terminal and an F2 terminal for connecting to a motor, the F-FK terminal and the F-FG terminal in the connecting terminal are respectively connected to the output end of a first sensor and the output end of a second sensor in the switch-to-level type valve, and the ground end of the first sensor and the ground end of the second sensor in the switch-to-level type valve are both connected to the GND terminal of the connecting terminal;

the first input/output end of the control module is connected to the SLEEP end of the motor driving module, the second input/output end of the control module is connected to the IN1 end of the motor driving module, the third input/output end of the control module is connected to the IN2 end of the motor driving module, the OUT1 end of the motor driving module is connected to the F1 end of the wiring terminal, and the OUT1 end of the motor driving module is connected to the F2 end of the wiring terminal;

a fourth input/output end of the control module is connected to the F-FG end of the wiring terminal, and a fifth input/output end of the control module is connected to the F-FK end of the wiring terminal;

the current detection module includes: a resistor R43 and a resistor R42, a fifth input/output end of the control module is connected to one end of the resistor R43 through a switch K1, the other end of the resistor R43 is connected to one end of a resistor R42, a junction of the resistor R43 and the resistor R42 is connected to a GND terminal of the motor driving module, and the other end of the resistor R42 is grounded.

2. The NB motherboard supporting multiple valve control types as claimed in claim 1, wherein the VM end of the motor driver module is connected to the power module VDD.

3. The NB motherboard of claim 2 wherein the connection of the VM side of the motor driver module to the power module VDD is connected to the positive terminal of capacitor C5 and the negative terminal of capacitor C5 is connected to ground.

4. An NB mainboard supporting multiple valve control types as claimed in any one of claims 1 to 3, wherein the connection terminal comprises: the body is provided with a first binding post, a second binding post, a third binding post, a fourth binding post and a fifth binding post which are mutually spaced, and the first binding post, the second binding post, the third binding post, the fourth binding post and the fifth binding post respectively correspond to an F1 end, an F2 end, an F-FK end, a GND end and an F-FG end.

5. The NB mainboard of claim 4, wherein the switch K1 is mounted on the body, and the switch K1 is provided with a resilient member for keeping the switch K1 in a closed state, and the switch K1 is in an open state if and only if the third terminal and/or the fifth terminal is connected to the connector.