CN218000554U - A temperature-controlled antifreeze energy-saving drain switch - Google Patents

Abstract

A temperature-controlled antifreeze energy-saving drainage switch, including a valve body, the valve body is provided with a liquid inlet chamber and a liquid discharge chamber, and the valve body is provided with an inlet connected to the liquid inlet chamber and an outlet connected to the liquid discharge chamber. There is a sealing valve port between the discharge chamber and the sealing valve port. A one-way seal that opens toward the liquid inlet chamber is installed at the seal valve port. A movable connecting rod is fixed on the one-way seal. One end of the movable connecting rod extends into the inlet In the liquid chamber, the movable connecting rod in the liquid inlet chamber is equipped with a temperature memory spring, and the valve body is provided with an adjustment chamber set up with the liquid inlet chamber. Adjustment spring is housed on the movable connecting rod in the cavity. When the built-in antifreeze protection mechanism fails, the water in the air source heat pump equipment and solar thermal collection system can be quickly removed without human intervention, so as to prevent the air source heat pump equipment and solar thermal collection system from being damaged by freezing and causing unforeseen necessary loss. No electricity, no human intervention, automatic reset or manual reset.

Description

A temperature-controlled antifreeze energy-saving drain switch

technical field

The utility model relates to an energy-saving heating device, in particular to a temperature-controlled antifreeze energy-saving drainage switch.

Background technique

Due to the large-scale promotion and use of clean energy heating equipment, due to factors such as abnormal power systems or heating equipment failures, the original antifreeze mechanism controlled by electricity or equipment itself fails, resulting in water system or heating equipment being easily damaged by freezing.

At present, the antifreeze mechanism of air source heat pumps is based on the antifreeze protection logic of the air source heat pump to control the circulation of the water pump to achieve the purpose of antifreeze protection. When manual drainage is carried out, it will lead to the risk of freezing the air source heat pump unit.

The antifreeze mechanism of the solar large-scale heat collection system is controlled by the control logic of the external electric control box to control the circulation of the circulating water pump to achieve the purpose of antifreeze protection. However, if there is a power failure or the circulating water pump is damaged, it cannot When manual drainage is carried out in time, it will lead to the risk of freezing and bursting of the pipeline of the solar thermal collection system.

Contents of the invention

The technical problem to be solved by the utility model is to aim at the deficiencies of the prior art, and propose a temperature-controlled antifreeze emergency drainage switch that does not require electricity and human intervention.

The technical problem to be solved by the utility model is achieved through the following technical scheme, a temperature-controlled antifreeze energy-saving drainage switch, which is characterized in that: it includes a valve body, the valve body is provided with a liquid inlet chamber and a liquid discharge chamber, and the valve body is equipped with There is an inlet connected to the liquid inlet chamber and an outlet connected to the liquid discharge chamber. A sealing valve port is provided between the liquid inlet chamber and the liquid discharge chamber. The sealing valve port is equipped with a one-way seal that opens toward the liquid inlet chamber. A movable connecting rod is fixed on the one-way seal, and one end of the movable connecting rod extends into the liquid inlet chamber. A temperature memory spring is installed on the movable connecting rod in the liquid inlet chamber. The other end of the movable connecting rod stretches into the regulating cavity, and the movable connecting rod in the regulating cavity is equipped with an adjusting spring.

The technical problem to be solved by the utility model can be further realized by the following technical scheme, the temperature memory spring is set on the movable connecting rod, and the temperature memory spring limiter is fixed on the movable connecting rod on the side close to the one-way seal The other end of the temperature memory spring sleeve is connected to the valve body.

The technical problem to be solved by the utility model can also be further realized through the following technical solutions. The adjusting spring is set on the movable connecting rod, and the adjusting spring limit piece is fixed on the movable connecting rod near the one-way seal, and the adjusting spring The other end of the valve is provided with an adjustable baffle, and the adjustable baffle is slidably set on the movable connecting rod, and a hole pierced by the movable connecting rod is provided on the valve body at the adjustment chamber, and an adjusting rod is screwed on the above hole. The regulating rod is a hollow structure, the inner end of the regulating rod is in contact with the adjustable baffle, and the regulating knob is arranged at the end of the regulating rod outside the valve body.

The technical problem to be solved by the utility model can be further realized through the following technical solutions. On the side wall of the adjustment cavity, a visual display mechanism for observing the adjustment position of the adjustment spring is provided. The visual display mechanism is arranged on the side of the adjustment cavity A vertical visible window on the wall is provided with a scale line corresponding to the spring pressure and a pointer connected to the adjustable blocking piece.

The technical problem to be solved by the utility model can be further realized through the following technical solutions. A position display mechanism of the one-way seal is provided on the side wall of the adjustment chamber. The vertical groove is provided with an indication position for opening and resetting of the one-way seal, and an indicator needle is arranged at the vertical groove, and the indicator needle is connected with the regulating spring limit piece.

Compared with the prior art, the utility model can quickly remove the water in the air source heat pump equipment and the solar heat collection system without human intervention when the self-contained antifreeze protection mechanism fails, so as to prevent the air source heat pump equipment, solar energy The heat collection system is damaged by freezing, causing unnecessary losses. The advantage is that it does not require electricity, does not require human intervention, and can be automatically reset or manually reset.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

detailed description

The specific technical solutions of the present invention are further described below. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, so that those skilled in the art can further understand the present invention, the following will implement the present invention in conjunction with the embodiments of the present invention. The technical solutions in the examples are clearly and completely described. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them, and do not constitute a limitation on the rights thereof. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

A temperature-controlled antifreeze energy-saving drain switch, comprising a valve body, the valve body is provided with a liquid inlet chamber 1 and a liquid discharge chamber 2, and the valve body is provided with an inlet 3 communicating with the liquid inlet chamber and an outlet 8 communicating with the liquid discharge chamber, A sealing valve port is provided between the liquid inlet chamber and the liquid discharge chamber, and the sealing valve port is equipped with a one-way seal 7 opened toward the liquid inlet chamber, and a movable connecting rod 4 is fixed on the one-way seal, and the movable connecting rod One end of the valve extends into the liquid inlet chamber, a temperature memory spring 5 is installed on the movable connecting rod in the liquid inlet chamber, and an adjustment chamber 17 opposite to the liquid inlet chamber is provided on the valve body, and the other end of the movable connecting rod extends Into the adjustment cavity, the adjustable spring 10 is housed on the movable connecting rod in the adjustment cavity.

The temperature memory spring is sleeved on the movable connecting rod, and a temperature memory spring limiting piece 6 is fixed on the movable connecting rod near the one-way seal, and the other end of the temperature memory spring sleeve is connected to the valve body.

The adjustment spring is set on the movable connecting rod, and the side of the movable connecting rod close to the one-way seal is fixed with an adjusting spring limit piece 9, and the other end of the adjusting spring is provided with an adjustable catch 11, and the adjustable catch slides the set On the movable connecting rod, there is a hole through which the movable connecting rod penetrates on the valve body at the adjusting cavity, and an adjusting rod 18 is screwed at the above hole. The adjusting rod is a hollow structure, and the inner end of the adjusting rod and the adjustable stop The pieces are in contact with each other, an adjusting knob 12 is installed at the end of the adjusting rod outside the valve body, and the outer end of the movable connecting rod protrudes from the adjusting knob, and a handle 13 that can be manually reset is installed.

On the side wall of the adjustment cavity, a visual display mechanism for observing the adjustment position of the adjustment spring is provided. The visual display mechanism is a vertical visible window arranged on the side wall of the adjustment cavity, and a window corresponding to the spring pressure is provided at the window. Scale line 16, and is provided with pointer, and pointer is connected with adjustable blocking piece.

The side wall of the adjustment chamber is provided with a position display mechanism of the one-way seal, the above-mentioned position display mechanism includes a vertical groove opened on the side wall of the adjustment chamber, and the vertical groove is provided with a one-way seal opening indication position 14 And reset indicating position 15, and be provided with indicating pin, indicating pin joins with regulating spring limit plate.

When the built-in antifreeze protection mechanism fails, the water in the air source heat pump equipment and solar thermal collection system can be quickly removed without human intervention, so as to prevent the air source heat pump equipment and solar thermal collection system from being damaged by freezing and causing unforeseen necessary loss. The advantage is that it does not require electricity, does not require human intervention, and can be automatically reset or manually reset.

The temperature memory spring will detect the change of water temperature in air source heat pump equipment and solar heat collection system in real time. When the water temperature drops to 1~4℃, the temperature memory spring will lose its elasticity, and the stainless steel spring will automatically open the half-bowl seal. The elastic force of the stainless steel spring can be visually adjusted manually according to the hydrostatic pressure of the system; after emergency drainage occurs, the half-bowl seal can be reset manually.

This device is used in the air source heat pump heating system. If there is a sudden long-term power failure or the circulating water pump burns out and cannot be replaced in time, it can be used according to the change of the internal water temperature of the air source heat pump heat exchanger. When it is about to reach the point of freezing , can quickly drain the water inside the air source heat pump heat exchanger to prevent the risk of freezing the air source heat pump heat exchanger.

This device is used in the solar heat collection system. If there is a sudden long-term power failure or the circulating water pump burns out and cannot be replaced in time, it can be used according to the change of the internal water temperature of the solar heat collection system pipeline when it is about to freeze. It can quickly drain the water inside the pipeline of the solar thermal collection system to prevent the risk of the pipeline being damaged by freezing.

The installation location of the device: the water return port of the air source heat pump adopts a three-way installation and connection method; the lowest point of the solar heat collection system adopts a three-way installation and connection method.

Claims (7)

1. The utility model provides a control by temperature change energy-conserving drainage switch that prevents frostbite which characterized in that:

the temperature-sensing valve comprises a valve body, wherein a liquid inlet cavity and a liquid outlet cavity are arranged in the valve body, an inlet communicated with the liquid inlet cavity and an outlet communicated with the liquid outlet cavity are arranged on the valve body, a sealing valve port is arranged between the liquid inlet cavity and the liquid outlet cavity, a one-way sealing piece which is opened towards the liquid inlet cavity is arranged at the sealing valve port, a movable connecting rod is fixed on the one-way sealing piece, one end of the movable connecting rod extends into the liquid inlet cavity, a temperature memory spring is arranged on the movable connecting rod in the liquid inlet cavity, an adjusting cavity arranged with the liquid inlet cavity is arranged on the valve body, the other end of the movable connecting rod extends into the adjusting cavity, and an adjusting spring is arranged on the movable connecting rod in the adjusting cavity.

2. The temperature-controlled anti-freezing energy-saving drain switch as claimed in claim 1, wherein: the temperature memory spring is sleeved on the movable connecting rod, a temperature memory spring limiting sheet is fixed on one side, close to the one-way sealing element, of the movable connecting rod, and the other end of the temperature memory spring sleeve is connected with the valve body.

3. The temperature-controlled anti-freezing energy-saving drain switch as claimed in claim 1, wherein: the adjusting spring is sleeved on the movable connecting rod, an adjusting spring limiting piece is fixed on one side, close to the one-way sealing piece, of the movable connecting rod, an adjustable blocking piece is arranged at the other end of the adjusting spring, the adjustable blocking piece is sleeved on the movable connecting rod in a sliding mode, a hole through which the movable connecting rod penetrates is formed in the valve body at the adjusting cavity, an adjusting rod is connected to the hole in a threaded mode, the adjusting rod is of a hollow structure, the inner end of the adjusting rod is in contact with the adjustable blocking piece, and an adjusting knob is mounted at the end portion of the adjusting rod outside the valve body.

4. A temperature controlled antifreeze energy saving drain switch according to claim 1 or 3, wherein: and a visual display mechanism for observing the change of the adjusting position of the adjusting spring is arranged on the side wall of the adjusting cavity.

5. The temperature-controlled antifreeze energy-saving drain switch according to claim 4, characterized in that: the visual display mechanism is a vertical visual window arranged on the side wall of the adjusting cavity, scale marks corresponding to the pressure of the spring are arranged at the window, and a pointer is arranged and connected with the adjustable blocking piece.

6. The temperature-controlled anti-freezing energy-saving drain switch as claimed in claim 1 or 4, wherein: and a position display mechanism of a one-way sealing element is arranged on the side wall of the adjusting cavity.

7. The temperature-controlled anti-freezing energy-saving drain switch as claimed in claim 6, wherein: the position display mechanism comprises a vertical groove formed in the side wall of the adjusting cavity, an indicating position for opening and resetting the one-way sealing element is arranged at the position of the vertical groove, and an indicating needle is arranged and connected with the adjusting spring limiting sheet.

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