CN204329153U - A Gas Automatic Temperature Control System with NTC Temperature Sensing Feedback - Google Patents

Abstract

The utility model discloses a take gas automatic temperature control system of NTC temperature sensing feedback, include: the intelligent control system comprises an intelligent control integrated module, an NTC temperature sensing feedback device, an electromagnetic valve, a stepping motor and an electric control valve, wherein the electromagnetic valve is used for communicating or closing a gas medium channel, the stepping motor controls the electric control valve to adjust the flow of the medium channel, and the NTC temperature sensing feedback device is used for sensing different temperature signals and converting the temperature signals into electric signals to be transmitted to the intelligent control integrated module. The utility model discloses can have automatic temperature control's function according to ambient temperature real time control heating flame size.

Description

A Gas Automatic Temperature Control System with NTC Temperature Sensing Feedback

technical field

The utility model relates to the gas appliance industry, in particular to a gas automatic temperature control system with NTC temperature sensor feedback.

Background technique

Gas heaters such as gas heaters, gas wall-hung stoves, and gas ornamental stoves are more and more widely used in daily life. Most of these gas heaters can only manually adjust the size of the flame as needed. In actual use, the user Most of the use requirements are to maintain a suitable temperature, so it is necessary to manually switch the gas heater or adjust the gas flow to adjust the size of the flame, so as to achieve the effect of maintaining a relatively constant temperature, which brings some inconvenience to the use. Due to frequent switching of the gas heater, it is easy to cause loss of the ignition device of the gas heater and reduce its service life.

Contents of the invention

In order to solve the above problems, the purpose of this utility model is to provide a gas automatic temperature control system with NTC temperature sensor feedback.

The technical scheme that the utility model adopts for solving its technical problem is:

A gas automatic temperature control system with NTC temperature sensing feedback, including: an intelligent control integrated module and an NTC temperature sensing feedback device electrically connected to the intelligent control integrated module, a solenoid valve, a stepping motor, and an electric control valve , the solenoid valve is used to connect or close the gas medium channel, the stepper motor controls the electric control valve to adjust the flow rate of the medium channel, and the NTC temperature sensing feedback device is used to sense different temperature signals and convert them into electrical signals for transmission to intelligent control integration module.

Described electromagnetic valve comprises electromagnetic valve body and electromagnetic valve seat, and the gas source inlet that communicates with electromagnetic valve seat, mother fire nozzle, and this gas source inlet serves as the air inlet of electromagnetic valve seat, the inlet of mother fire nozzle and electric control valve. The air ports communicate with the air outlets of the electromagnetic valve seat respectively, and the electromagnetic valve body controls the connection or closure of the air inlet and the air outlet of the electromagnetic valve seat, and the action of the electromagnetic valve is controlled by the NTC temperature sensing feedback device.

The electric control valve includes an electric control valve seat, a valve core and a main fire outlet connected with the electric control valve seat, the electric control valve seat is fixed on the electromagnetic valve seat, the valve core is inserted in the electric control valve seat and can be Rotating around its axis, the stepping motor and the valve core are driven and controlled by the NTC temperature sensing feedback device, and through this rotation, the switch of the main fire outlet and the gas output are controlled.

The electric control valve also includes a micro switch and a micro switch for controlling the rotation of the micro switch. The micro switch is sleeved on the valve core and rotates synchronously with the valve core. The micro switch The automatic switch is controlled by the NTC temperature sensing feedback device.

The beneficial effect of the utility model is: because the utility model uses the NTC temperature sensor feedback device to measure the ambient temperature and controls the gas flow at the main fire outlet accordingly, it can control the heating in real time according to the difference between the set temperature and the ambient temperature The size of the flame, so it has the function of automatic temperature control; and because the utility model uses the long-term main fire at the main fire nozzle to ignite the gas exported from the main fire outlet, there is no need to switch the ignition device frequently, which can reduce loss and prolong the service life; The utility model has simple structure and small volume, and can be conveniently arranged on the existing gas heater without affecting its appearance.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is a block diagram of the utility model;

Fig. 2 is the exploded diagram of electromagnetic valve and electric control valve of the present utility model;

Fig. 3 is an assembly diagram of the solenoid valve and the electric control valve of the utility model.

Detailed ways

Referring to Figure 1, a gas automatic temperature control system with NTC temperature sensing feedback includes: an intelligent control integrated module 9 and an NTC temperature sensing feedback device 2 electrically connected to the intelligent control integrated module 9, and a solenoid valve 8. Stepper motor 11, and electric control valve 10; the solenoid valve 8 is used to connect or close the gas medium channel, the stepper motor 11 controls the electric control valve 10 to adjust the flow rate of the medium channel, NTC temperature sensing feedback device 2 It is used to sense different temperature signals and convert them into electrical signals for transmission to the intelligent control integrated module 9 .

As shown in Fig. 2 and Fig. 3, the solenoid valve 8 includes a solenoid valve body 81 and a solenoid valve seat 82, and a gas source inlet 83 and a main fire nozzle 84 communicated with the solenoid valve seat 82, and the gas source inlet 83 serves as an electromagnetic The air inlet of valve seat 82, the air inlet of female fire nozzle 84 and electric control valve 10 communicate with the air outlet of electromagnetic valve seat 82 respectively, and this electromagnetic valve body 81 controls the communication between air inlet of electromagnetic valve seat 82 and air outlet. or closed, the action of the solenoid valve 8 is controlled by the NTC temperature sensing feedback device 2 (indirectly using the intelligent control integrated module 9).

The electric control valve 10 includes an electric control valve seat 101, a valve core 102 and a main fire outlet 103 communicated with the electric control valve seat 101, the electric control valve seat 101 is fixed on the solenoid valve seat 82, and the valve core 102 is inserted Inside the electric control valve seat 101 and can rotate around its axis, the stepper motor 11 and the valve core 102 are driven and controlled by the NTC temperature sensing feedback device 2 (indirectly using the intelligent control integrated module 9), and the main fire is controlled through this rotation The switch of outlet 103 and the size of air output.

In actual use, first set an appropriate temperature on the NTC temperature sensing feedback device 2, when the temperature is lower than the set value, the intelligent control integrated module 9 controls to open the solenoid valve 8, and the gas is passed into the main fire from the gas source inlet 83 The nozzle 84 is ignited by the ignition device, and then the intelligent control integrated module 9 controls to open the electric control valve 3, and the gas passes through the main fire outlet 103 into the main pipeline of the gas heater and then is ignited by the long-term mother fire at the mother fire nozzle 84 places, through the setting The difference between the fixed temperature and the measured ambient temperature is adjusted in real time by the electric control valve 10, thereby adjusting the size of the gas exported from the main fire outlet 103 to the main pipeline of the gas heater, so as to achieve the effect of automatically controlling the size of the heating flame and realizing automatic temperature control.

The electric control valve 10 also includes a microswitch 104 and a microswitch 105 for controlling the rotation of the microswitch 104. The microswitch 104 is sleeved on the spool 102 and connected to the spool 102. Rotating synchronously, the micro switch 105 is controlled by the NTC temperature sensing feedback device 2 . The device can more precisely control the rotation of the valve core 102 , thereby more precisely control the flow rate of the gas flowing out of the main fire outlet 103 .

The above descriptions are only preferred embodiments of the utility model, as long as the technical solutions to achieve the purpose of the utility model by basically the same means are within the scope of protection of the utility model.

Claims (4)

1. the combustion gas automatic temperature control system with NTC TEMP feedback, it is characterized in that, comprise: Based Intelligent Control integration module (9) and the NTC TEMP feedback device (2) be electrically connected with this Based Intelligent Control integration module (9), magnetic valve (8), stepper motor (11), and electrically-controlled valve (10), this magnetic valve (8) is for being communicated with or cutting out gas medium passage, stepper motor (11) controls electrically-controlled valve (10) to regulate the uninterrupted of medium channel, NTC TEMP feedback device (2) converts electric signal transmission to Based Intelligent Control integration module (9) for responding to different temperature signals.

2. a kind of combustion gas automatic temperature control system with NTC TEMP feedback according to claim 1, it is characterized in that: described magnetic valve (8) comprises electromagnetic valve body (81) and solenoid valve seat (82), and the fuel gas source import (83) to be communicated with solenoid valve seat (82), female fire-fighting mouth (84), this fuel gas source import (83) is as the air inlet of solenoid valve seat (82), female fire-fighting mouth (84) is communicated with the gas outlet of solenoid valve seat (82) respectively with the air inlet of electrically-controlled valve (10), this electromagnetic valve body (81) Controlling solenoid valve seat (82) air inlet is communicated with or closedown with gas outlet, the action of described magnetic valve (8) controls by NTC TEMP feedback device (2).

3. a kind of combustion gas automatic temperature control system with NTC TEMP feedback according to claim 2, it is characterized in that: described electrically-controlled valve (10) comprises and includes electric-controlled valve seat (101), spool (102) and the main fire be communicated with electric-controlled valve seat (101) export (103), electric-controlled valve seat (101) is fixed on solenoid valve seat (82), spool (102) is plugged in electric-controlled valve seat (101) and also can rotates around its axis, stepper motor (11) and spool (102) transmission and controlled by NTC TEMP feedback device (2), and switch and the gas output size of main fire outlet (103) is controlled by this rotation.

4. a kind of combustion gas automatic temperature control system with NTC TEMP feedback according to claim 3, it is characterized in that: described electrically-controlled valve (10) also includes fine motion shifting block (104) and for controlling the microswitch (105) that fine motion shifting block (104) rotates, described fine motion shifting block (104) be set in spool (102) upper and with spool (102) synchronous axial system, described microswitch (105) is controlled by NTC TEMP feedback device (2).