CN210602272U

CN210602272U - Auxiliary air exhaust and water inlet device of electric water boiler

Info

Publication number: CN210602272U
Application number: CN201921476620.7U
Authority: CN
Inventors: 赵翀; 刘俊阳; 董瑞; 常学德; 陈伯东
Original assignee: CRRC Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-22
Anticipated expiration: 2029-09-05

Abstract

The utility model provides an supplementary exhaust water installations of electric heat boiler belongs to electric heat boiler technical field, and it includes hot-water tank subassembly, cold water tank subassembly and supplementary exhaust subassembly, the cold water tank subassembly is including supplying water the water tank, the hot-water tank subassembly is including boiling water the chamber, supply water the water tank and carry cold water to boiling water the chamber through first inlet tube, the solenoid valve of intaking and the second inlet tube that connects gradually, supplementary exhaust subassembly includes discharge valve, discharge valve sets up on first inlet tube. The utility model has simple and reasonable structure, and efficiently solves the problems that when the cold water of the water supply tank is emptied and the water supply tank is filled with cold water again, air with negative pressure is formed in the first water inlet pipe to cause a suffocation phenomenon, so that a water inlet electromagnetic valve is opened, and the cold water in the water supply tank slowly flows into the water boiling cavity or even cannot flow into the water boiling cavity; the failure frequency that the electric water boiler can not discharge boiled water is reduced, the electric water boiler is convenient for users to use, and the device is simple and convenient to maintain and low in cost.

Description

Auxiliary air exhaust and water inlet device of electric water boiler

Technical Field

The utility model belongs to the technical field of the electric heat boiler, especially, relate to an auxiliary exhaust water installations of electric heat boiler.

Background

The existing electric heating water boiler for the motor train unit is characterized in that a water supply tank is independently arranged to provide cold water for a water boiling cavity of the electric heating water boiler, the water supply tank is a sealed water tank with a water filling port to prevent cold water in the water supply tank from spilling, the water supply tank conveys the cold water into the water boiling cavity through a first water inlet pipe, a water inlet electromagnetic valve and a second water inlet pipe which are sequentially connected, the water level of the cold water in the water supply tank is higher than the water level of the boiled water in the water boiling cavity, when the cold water in the water supply tank is emptied (or used up), air with negative pressure is formed in the first water inlet pipe after the water supply tank is filled with the cold water again, a gas blocking phenomenon is caused, the water inlet electromagnetic valve is opened, the cold water in the water supply tank slowly flows into the water boiling cavity, and even the cold water in the.

SUMMERY OF THE UTILITY MODEL

For solving the cold water that prior art exists when the water supply tank by the evacuation (perhaps being used up), after being covered with cold water to the water supply tank once more, form the air that has the negative pressure in first inlet tube, cause the phenomenon of breathing out, when leading to opening the solenoid valve of intaking, the very slow inflow in the cold water in the water supply tank burns the water cavity, can't flow in the problem in water cavity even, the utility model provides an auxiliary exhaust water installations of electric heat boiler.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides an supplementary exhaust water installations of electric heat boiler, includes hot-water tank subassembly, cold water tank subassembly and supplementary exhaust subassembly, the cold water tank subassembly is including supplying water the water tank, the hot-water tank subassembly is including boiling water the chamber, the water supply water tank carries cold water to boiling water the chamber through first inlet tube, the solenoid valve of intaking and the second inlet tube that connects gradually, supplementary exhaust subassembly includes discharge valve, discharge valve sets up on first inlet tube.

Preferably, the water level of cold water in the water supply tank is higher than the water level of boiled water in the water boiling cavity, and the cold water in the water supply tank is conveyed to the water boiling cavity through the pressure difference of gravity. When the cold water of the water supply tank is emptied, the water supply tank is filled with the cold water again, the water inlet electromagnetic valve is opened, the air in the first water inlet pipe is discharged through the exhaust valve, and the water of the water supply tank can be conveyed to the water boiling cavity through the pressure difference of gravity under the condition that negative pressure does not exist in the first water inlet pipe.

Further, supplementary exhaust assembly still includes the exhaust valve pipe and is used for supporting the fixed pipe strap component of exhaust valve pipe, the one end of exhaust valve pipe is passed through the tee bend and is communicated with first inlet tube, discharge valve sets up the other end at the exhaust valve pipe. The supporting and fixing mode of the exhaust valve pipe is simple and firm.

Further, the tee joint is arranged at the upper part of the first water inlet pipe. When the cold water of water supply tank is emptied, be full of the air this moment in the first inlet tube, after being covered with cold water to water supply tank once more, cold water when water supply tank in flows into first inlet tube, can climb up along first inlet tube when the air in the first inlet tube spills over, set up the tee bend and more do benefit to the discharge of air in the first inlet tube on the upper portion of first inlet tube, improve exhaust efficiency.

The utility model has the advantages that: use this supplementary exhaust water installations, cold water when water supply tank is by the evacuation (perhaps is used up), after being covered with cold water to water supply tank through the water filling port once more, will form the air that has the negative pressure in first inlet tube, discharge valve's chock plug stops at the open position this moment, exhaust in a large number, open the solenoid valve of intaking, because of the air in first inlet tube, discharge through discharge valve, do not have under the condition of negative pressure in the first inlet tube, water supply tank's water just can be carried to the chamber of heating up water through the pressure differential of gravity, when air exhausts in first inlet tube, ponding in the discharge valve, the floater is floated, transmission chock plug to the closed position, stop a large amount of exhaust, water supply tank normally carries cold water to the chamber of heating up water.

The utility model discloses an auxiliary exhaust water intake device of electric heat boiler, moreover, the steam generator is simple in structure reasonable, and design benefit, the high efficiency has been solved when the cold water of water supply tank is by the evacuation (perhaps being used up), after being covered with cold water to the water supply tank once more, form the air that has the negative pressure in first inlet tube, cause the phenomenon of breathing out, lead to opening the solenoid valve of intaking, the very slow inflow chamber of heating up water of cold water in the water supply tank, the problem in chamber of heating up water can't flow in even, reduce the trouble frequency of occurrence of electric heat boiler unable boiled water that goes out, convenience of customers uses, improve user's good experience, and this auxiliary exhaust water intake device easy and simple.

Drawings

FIG. 1 is a schematic view of an auxiliary air and water inlet and exhaust device of an electric water boiler according to the present invention; the direction of the arrows in fig. 1 indicates the direction of the water flow.

Fig. 2 is a schematic view of the auxiliary air-exhaust and water-intake device of the electric water boiler of the present invention.

Fig. 3 is a partially enlarged schematic view of a in fig. 2.

In the figure: 1. hot water tank subassembly, 11, the chamber of heating up water, 2, cold water tank subassembly, 21, water supply tank, 3, supplementary exhaust assembly, 31, discharge valve, 32, exhaust valve pipe, 33, fixed pipe strap component, 34, tee bend, 35, connecting pipe strap component, 4, first inlet tube, 5, the solenoid valve of intaking, 6, second inlet tube.

Detailed Description

As shown in fig. 1-3, the utility model discloses an auxiliary exhaust and water inlet device of electric water boiler includes: the hot water tank assembly 1, the cold water tank assembly 2 and the auxiliary exhaust assembly 3, the cold water tank assembly 2 comprises a water supply tank 21, the water supply tank 21 has a water filling port, the hot water tank assembly 1 comprises a water boiling cavity 11, the water supply tank 21 conveys cold water to the water boiling cavity 11 through a first water inlet pipe 4, a water inlet electromagnetic valve 5 and a second water inlet pipe 6 which are connected in sequence, the auxiliary exhaust assembly 3 comprises an exhaust valve 31, a floating ball which is provided with a plug head and controls the movement of the plug head is arranged in the exhaust valve 31, the movement of the plug head controls the opening and closing of the exhaust valve 31, the exhaust valve 31 is arranged on the first water inlet pipe 4 through an exhaust valve pipe 32, one end of the exhaust valve pipe 32 is communicated with the first water inlet pipe 4 through a tee joint 34, the exhaust valve 31 is arranged at the other end of the exhaust valve pipe 32, the exhaust valve pipe 32 is supported and fixed through a fixing pipe clamping element 33 and is connected and fixed with, so as to facilitate the regularity of the pipeline.

The water level of cold water in the water supply tank 21 is higher than that of boiled water in the water boiling cavity 11, and cold water in the water supply tank 21 is conveyed to the water boiling cavity 11 through the pressure difference of gravity. In order to facilitate the transportation of cold water, the end of the first water inlet pipe 4 communicated with the water tank is higher than the end of the first water inlet pipe communicated with the water inlet electromagnetic valve 5, and in order to facilitate the discharge of air in the first water inlet pipe 4, the tee joint 34 is arranged at the upper part of the first water inlet pipe 4.

The utility model discloses supplementary exhaust water installations of electric heat boiler's theory of operation as follows:

when the cold water in the water supply tank 21 is emptied (or used up), and the water supply tank 21 is filled with the cold water through the water filling port again, air with negative pressure is formed in the first water inlet pipe 4, at the moment, the plug of the exhaust valve 31 stays at the opening position to exhaust a large amount of air, the water inlet electromagnetic valve 5 is opened, and because the air in the first water inlet pipe 4 is exhausted through the exhaust valve 31, the water in the water supply tank 21 can be conveyed to the water boiling cavity 11 through the pressure difference of gravity under the condition that no negative pressure exists in the first water inlet pipe 4; when the air in the first water inlet pipe 4 is exhausted, water is accumulated in the exhaust valve 31, the floating ball is floated, the transmission plug head is moved to a closing position, a large amount of exhaust is stopped, when cold water is normally conveyed, if a small amount of air is gathered in the exhaust valve 31 to a certain degree, the water level in the exhaust valve 31 is lowered, the floating ball is lowered, at the moment, the air is discharged from the small hole, and the water flow of the cold water conveyed to the water boiling cavity 11 by the water supply water tank 21 is ensured to be uniform and stable.

Claims

1. An auxiliary exhaust and water inlet device of an electric water boiler is characterized in that: the device includes hot-water tank subassembly (1), cold-water tank subassembly (2) and supplementary exhaust subassembly (3), cold-water tank subassembly (2) are including water supply tank (21), hot-water tank subassembly (1) is including boiling water chamber (11), water supply tank (21) are through first inlet tube (4), the solenoid valve of intaking (5) and second inlet tube (6) that connect gradually carry cold water to boiling water chamber (11), supplementary exhaust subassembly (3) are including discharge valve (31), discharge valve (31) set up on first inlet tube (4).

2. An auxiliary exhaust and water inlet device of an electric water boiler according to claim 1, characterized in that: the water level of cold water in the water supply tank (21) is higher than that of boiled water in the water boiling cavity (11), and cold water in the water supply tank (21) is conveyed to the water boiling cavity (11) through the pressure difference of gravity.

3. An auxiliary exhaust and water inlet device of an electric water boiler according to claim 1, characterized in that: supplementary exhaust assembly (3) still include exhaust valve pipe (32) and be used for supporting fixed pipe strap component (33) of exhaust valve pipe (32), the one end of exhaust valve pipe (32) is passed through tee bend (34) and is communicate with first inlet tube (4), exhaust valve (31) set up the other end at exhaust valve pipe (32).

4. An auxiliary exhaust and water inlet device of an electric water boiler according to claim 3, characterized in that: the tee joint (34) is arranged at the upper part of the first water inlet pipe (4).