CN212777850U

CN212777850U - Closed expansion water tank for ventilation and heating air conditioning system

Info

Publication number: CN212777850U
Application number: CN202021815817.1U
Authority: CN
Inventors: 杨海艳; 荚春龙; 田宽燕; 周书琴
Original assignee: Jiangsu Zhongwei Machinery Manufacturing Co ltd
Current assignee: Jiangsu Zhongwei Machinery Manufacturing Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-23
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to the technical field of expansion water tanks, in particular to a closed expansion water tank for a ventilation and heating air conditioning system, which sets the expansion water tank to be closed, avoids the contact between the inner cavity of the water tank and the air and causes the corrosion of a pipeline, and can install the water tank indoors or outdoors, reduce the length of a connecting pipeline, reduce the operation cost and improve the practicability; including a jar body, a controller, the probe rod, the electron level gauge, the connecting rod, floater and inlet tube, jar body middle part is provided with the inner chamber, be provided with the gasbag in the inner chamber, the controller is installed at a jar body front end, a jar body left end, bottom and front end are provided with the warning pipe respectively, the outlet pipe, blow off pipe and circulating pipe, jar body top is provided with the access hole, the probe rod is arranged in the gasbag, the probe rod top is passed a jar body and is connected with the electron level gauge bottom, jar body left end and inlet tube right-hand member intercommunication, inlet tube right-hand member and connecting rod left end rotatable coupling, the connecting rod right-hand member.

Description

Closed expansion water tank for ventilation and heating air conditioning system

Technical Field

The utility model relates to an expansion tank's technical field especially relates to a lead to warm air conditioning system and use closed expansion tank.

Background

The expansion water tank is an important part in a heating, ventilating and air conditioning system, and can accommodate the expansion amount of system water in a heating system, and simultaneously play a role in pressure fixation and water supplement for the system. Most of the existing expansion water tanks are open expansion water tanks, and the existing expansion water tanks are directly communicated with the atmosphere in the use process, so that carbon dioxide and water in the air generate weak acid and iron products react to corrode pipelines, and the service lives of other main equipment are damaged; the water supply pressure of the circulating pump is increased, the energy consumption is increased, and the operating cost is increased; can be installed at a higher position, and the like, leading to lower practicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a set expansion tank to the closed, avoid water tank inner chamber and air contact, cause the pipeline to corrode to can install the water tank indoor or outdoor, reduce connecting line's length, reduce the running cost, improve the logical warm air conditioning system of practicality and use closed expansion tank.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, which comprises a tank body, a controller, the probe rod, the electron level gauge, the connecting rod, floater and inlet tube, jar body middle part is provided with the inner chamber, be provided with the gasbag in the inner chamber, the controller is installed at a jar body front end, jar body left end, bottom and front end are provided with the warning pipe respectively, the outlet pipe, blow off pipe and circulating pipe, the warning pipe, the outlet pipe, blow off pipe and circulating pipe all communicate with the gasbag, warning pipe and outlet pipe intercommunication, jar body top is provided with the access hole, the probe rod is located the gasbag, the probe rod top is passed jar body and is connected with electron level gauge bottom, jar body left end and inlet tube right-hand member intercommunication, inlet tube right-hand member and connecting rod left end rotatable coupling, the.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank still includes supporting leg and backing plate, and the supporting leg is installed to jar body bottom, and the supporting leg bottom is provided with the multiunit spring, and the spring bottom is connected with the backing plate top.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, jar body right-hand member is provided with four group's connecting blocks, and the people's ladder left end is connected with the connecting block right-hand member.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, jar body front end is provided with the liquid level pipe, liquid level pipe and gasbag intercommunication.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, the spring middle part is provided with first telescopic link and second telescopic link, first telescopic link and second telescopic link sliding connection, and first telescopic link top is connected with the supporting leg bottom, and second telescopic link bottom is connected with the backing plate top.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, jar body top is provided with the manometer.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, still including the lid, the lid is located the access hole top, and the access hole right-hand member is provided with first rotary rod, and the lid top is provided with second rotary rod, second rotary rod and first rotary rod rotatable coupling.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, the people's ladder sets the L type to, and people's ladder top is located jar body top side.

Compared with the prior art, the beneficial effects of the utility model are that: when the system is deficient in water, water in the tank is squeezed into the system under the pressure of gas in the air bag, and the volume expansion pressure of the gas in the air bag is reduced; if the pressure of the water in the system rises due to expansion, the water is squeezed into the tank, and the air bag is pressed by the water in the tank, so that the volume of the air is compressed, and the pressure rises. Therefore, whether water is supplemented or not can be determined according to the pressure of the gas; generally, a pressure fluctuation range is allowed, the range corresponds to the variation range of the gas volume, the expansion water tank is set to be a closed type by setting the device, the contact between the inner cavity of the water tank and air is avoided, the pipeline corrosion is caused, the water tank can be installed indoors or outdoors, the length of a connecting pipeline is reduced, the operation cost is reduced, and the practicability is improved.

Drawings

FIG. 1 is a schematic sectional view of the main view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic structural diagram of the present invention a;

fig. 4 is a schematic structural diagram of the present invention B.

In the drawings, the reference numbers: 1. a tank body; 2. a controller; 3. an overflow pipe; 4. a water outlet pipe; 5. a blow-off pipe; 6. a circulation pipe; 7. an access hole; 8. a probe rod; 9. an electronic level gauge; 10. a connecting rod; 11. a floating ball; 12. a water inlet pipe; 13. supporting legs; 14. a spring; 15. a base plate; 16. connecting blocks; 17. a human ladder; 18. a liquid level tube; 19. a first telescopic rod; 20. a second telescopic rod; 21. a pressure gauge; 22. a cover; 23. a first rotating rod; 24. a second rotating rod.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the closed expansion tank for the ventilation and heating air conditioning system of the utility model comprises a tank body 1, a controller 2, a probe rod 8, an electronic liquid level meter 9, a connecting rod 10, a floating ball 11 and a water inlet pipe 12, wherein the middle part of the tank body 1 is provided with an inner cavity, an air bag is arranged in the inner cavity, the controller 2 is arranged at the front end of the tank body 1, the left end, the bottom end and the front end of the tank body 1 are respectively provided with an overflow pipe 3, a water outlet pipe 4, a sewage discharge pipe 5 and a circulating pipe 6, the overflow pipe 3, the water outlet pipe 4, the sewage discharge pipe 5 and the circulating pipe 6 are all communicated with the air bag, the overflow pipe 3 is communicated with the water outlet pipe 4, the top end of the tank body 1 is provided with an inspection hole 7, the probe rod 8 is positioned in the air bag, the top end of the probe rod 8 passes through the tank body 1 to, the floating ball 11 is positioned on the top side of the liquid level; when the system is deficient in water, water in the tank is squeezed into the system under the pressure of gas in the air bag, and the volume expansion pressure of the gas in the air bag is reduced; if the pressure of the water in the system rises due to expansion, the water is squeezed into the tank, and the air bag is pressed by the water in the tank, so that the volume of the air is compressed, and the pressure rises. Therefore, whether water is supplemented or not can be determined according to the pressure of the gas; generally, a pressure fluctuation range is allowed, the range corresponds to the variation range of the gas volume, the expansion water tank is set to be a closed type by setting the device, the contact between the inner cavity of the water tank and air is avoided, the pipeline corrosion is caused, the water tank can be installed indoors or outdoors, the length of a connecting pipeline is reduced, the operation cost is reduced, and the practicability is improved.

The utility model discloses a lead to warm closed expansion tank for air conditioning system, still include supporting leg 13 and backing plate 15, the supporting leg 13 is installed to jar body 1 bottom, supporting leg 13 bottom is provided with multiunit spring 14, spring 14 bottom is connected with backing plate 15 top; because expansion tank quality is great, the great vibrations of can giving poor place to life in the operation, through setting up strutting arrangement, the part vibrations that accessible spring 14 absorbing device produced reduce the influence that vibrations caused to the building ground, have improved the practicality.

The utility model discloses a closed expansion tank for a ventilation and heating air conditioning system, the right end of a tank body 1 is provided with four groups of connecting blocks 16, and the left end of a ladder 17 is connected with the right end of the connecting blocks 16; the operator of being convenient for steps on the water tank, overhauls it, has improved the convenience.

The utility model discloses a closed expansion water tank for a ventilation and heating air conditioning system, the front end of a tank body 1 is provided with a liquid level pipe 18, and the liquid level pipe 18 is communicated with an air bag; the operator can observe the water level conveniently, and the practicability is improved.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, spring 14 middle part is provided with first telescopic link 19 and second telescopic link 20, first telescopic link 19 and second telescopic link 20 sliding connection, 19 tops of first telescopic link are connected with supporting leg 13 bottoms, 20 bottoms of second telescopic link are connected with backing plate 15 tops; the shearing resistance of the supporting device is increased, the stabilizing effect of the device is improved, and the stability is improved.

The utility model discloses a lead to warm air conditioning system and use closed expansion tank, the people's ladder 17 sets up to L type, and people's ladder 17 top is located jar body 1 top side; the operator can conveniently get on the expansion tank, and the practicability is improved.

When the closed expansion water tank for the ventilation and heating air conditioning system works, when the system is lack of water, water in the tank is squeezed into the system under the pressure of gas in the air bag, and the volume expansion pressure of the gas in the air bag is reduced; if the pressure of the water in the system is increased by expansion, the water is squeezed into the tank, and the air bag is pressed by the water in the tank to compress the volume of the gas and increase the pressure, so that whether the water is supplemented or not can be determined according to the pressure of the gas; a range of pressure fluctuations is generally allowed, which corresponds to a range of gas volume changes.

The installation mode, the connection mode or the setting mode of the closed expansion water tank for the ventilation and heating air conditioning system of the utility model are common mechanical modes, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a lead to warm air conditioning system with closed expansion tank's electron level gauge and manometer for purchase on the market, this industry technical staff only need according to its subsidiary specification install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A closed expansion water tank for a ventilation and heating air conditioning system is characterized by comprising a tank body (1), a controller (2), a probe rod (8), an electronic liquid level meter (9), a connecting rod (10), a floating ball (11) and a water inlet pipe (12), wherein an inner cavity is arranged in the middle of the tank body (1), an air bag is arranged in the inner cavity, the controller (2) is arranged at the front end of the tank body (1), an overflow pipe (3), a water outlet pipe (4), a blow-off pipe (5) and a circulating pipe (6) are respectively arranged at the left end, the bottom end and the front end of the tank body (1), the overflow pipe (3), the water outlet pipe (4), the blow-off pipe (5) and the circulating pipe (6) are communicated with the air bag, the overflow pipe (3) is communicated with the water outlet pipe (4), a maintenance opening (7) is arranged at the top end of the tank body (1), the probe rod (8) is positioned in, the left end of the tank body (1) is communicated with the right end of the water inlet pipe (12), the right end of the water inlet pipe (12) is rotatably connected with the left end of the connecting rod (10), the right end of the connecting rod (10) is provided with a floating ball (11), and the floating ball (11) is positioned on the top side of the liquid level.

2. The closed expansion tank for the ventilation and heating air conditioning system as claimed in claim 1, further comprising support legs (13) and a backing plate (15), wherein the support legs (13) are installed at the bottom end of the tank body (1), a plurality of groups of springs (14) are arranged at the bottom end of the support legs (13), and the bottom ends of the springs (14) are connected with the top end of the backing plate (15).

3. A closed expansion tank for an open-type heating and air-conditioning system as claimed in claim 2, wherein four sets of connecting blocks (16) are provided at the right end of the tank body (1), and the left end of the man step (17) is connected to the right end of the connecting blocks (16).

4. A closed expansion tank for an open-type heating and air-conditioning system as claimed in claim 3, wherein a liquid level pipe (18) is provided at the front end of the tank body (1), and the liquid level pipe (18) is communicated with the air bag.

5. A closed expansion tank for an open-type heating and air-conditioning system as claimed in claim 4, wherein the spring (14) is provided with a first expansion link (19) and a second expansion link (20) at the middle part, the first expansion link (19) and the second expansion link (20) are slidably connected, the top end of the first expansion link (19) is connected with the bottom end of the supporting leg (13), and the bottom end of the second expansion link (20) is connected with the top end of the base plate (15).

6. A closed expansion tank for an open-type heating and air-conditioning system as claimed in claim 1, wherein a pressure gauge (21) is provided on the top of the tank body (1).

7. A closed expansion tank for an open-heating air conditioning system as claimed in claim 1, further comprising a cover (22), wherein the cover (22) is located at the top end of the access opening (7), the right end of the access opening (7) is provided with a first rotating rod (23), the top end of the cover (22) is provided with a second rotating rod (24), and the second rotating rod (24) is rotatably connected with the first rotating rod (23).

8. A closed expansion tank for an open-type heating and air-conditioning system as claimed in claim 3, wherein said man ladder (17) is provided in an L-shape, and the top end of the man ladder (17) is located at the top side of the tank body (1).