CN214791930U - Environment-friendly and energy-saving hot water unit capable of realizing nitrogen-filling pressure-maintaining leak point detection - Google Patents
Environment-friendly and energy-saving hot water unit capable of realizing nitrogen-filling pressure-maintaining leak point detection Download PDFInfo
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- CN214791930U CN214791930U CN202120756102.1U CN202120756102U CN214791930U CN 214791930 U CN214791930 U CN 214791930U CN 202120756102 U CN202120756102 U CN 202120756102U CN 214791930 U CN214791930 U CN 214791930U
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- copper pipe
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- liquid storage
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Abstract
The utility model discloses an energy-saving and environment-friendly hot water unit capable of detecting nitrogen filling and pressure maintaining leakage points, which relates to the technical field of hot water units. The utility model discloses a structure includes box, inner structure sets up in the cavity of box, inner structure includes evaporimeter, compressor, condenser, liquid storage pot, fan, branch pipe, No. two branch pipes, nitrogen cylinder and manometer, coiled the copper pipe in the evaporimeter, the one end and the compressor intercommunication of copper pipe, the other end and liquid storage pot intercommunication, coiled the copper pipe in the condenser, the one end and the compressor intercommunication of copper pipe, the other end and liquid storage pot intercommunication, the fan sets up in the through-hole on the roof of box, be provided with a branch pipe on the copper pipe between compressor and the condenser, a branch pipe end and nitrogen cylinder intercommunication, be provided with No. two branch pipes on the copper pipe between liquid storage pot and the condenser, No. two branch pipe ends are connected with the manometer. The utility model discloses can carry out the leak source automatically and detect.
Description
Technical Field
The utility model relates to a hot water unit technical field especially relates to an environmental protection and energy saving hot water unit that can dash nitrogen pressurize leak source and detect.
Background
The air source heat pump hot water unit is an energy-saving environment-friendly hot water supply device which can replace a boiler and is not limited by resources, green pollution-free cold coal is adopted to absorb heat in air, and life hot water with the temperature of more than 50 ℃ is produced by the work of a compressor, and the C.O.P value of the whole year reaches more than 3.0. The air source heat pump hot water unit is suitable for places needing hot water heat sources such as indoor swimming pools, hotels, villas, hair salons, bath pedicure, factories, farms and the like. The air source heat pump hot water unit can be used for refrigerating in the heating process, and can also be installed in places which need cold quantity but have low requirements. The refrigerant in the air source host machine is transported through the copper pipe, and whether the copper pipe has a leakage point or not needs to be checked regularly in order to ensure that the copper pipe normally transports the refrigerant. The prior art air source host machine is generally checked by means of manual nitrogen filling and pressure maintaining.
Accordingly, one skilled in the art provides a subject to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that whether the air source host computer of overcoming prior art needs artifical periodic inspection copper pipe to have the leak source.
In order to solve the technical problem, the utility model provides an environment-friendly energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points, which comprises a box body and an internal structure, wherein the box body is of a cuboid shell structure; the inner structure is arranged in a cavity of the box body and comprises an evaporator, a compressor, a condenser, a liquid storage tank, a fan, a first branch pipe, a second branch pipe, a nitrogen bottle and a pressure gauge, a copper pipe is coiled in the evaporator, one end of the copper pipe is communicated with an inlet of the compressor, the other end of the copper pipe is communicated with an outlet of the liquid storage tank, a copper pipe is coiled in the condenser, one end of the copper pipe is communicated with an outlet of the compressor, the other end of the copper pipe is communicated with an inlet of the liquid storage tank, the fan is arranged in a through hole in the top wall of the box body, the fan drives the external air to contact with the evaporator, the first branch pipe is arranged on the copper pipe between the compressor and the condenser, the first branch pipe end is communicated with the nitrogen bottle, the second branch pipe is arranged on the copper pipe between the liquid storage tank and the condenser, and is connected with the pipe end pressure gauge, the nitrogen bottle injects nitrogen into the copper pipe, and the pressure gauge senses pressure change in the copper pipe.
As a further aspect of the present invention: and a vapor-liquid separator is connected in series on the copper pipe between the compressor and the evaporator, and the vapor-liquid separator separates refrigerant liquid from steam so that the liquid of the refrigerator flows into the compressor.
As a further aspect of the present invention: a filter is connected in series between the liquid storage tank and the evaporator through a pipeline, and the filter plays a role in filtering impurities in the refrigerant.
As a further aspect of the present invention: an electronic expansion valve is connected between the filter and the evaporator in series through a pipeline, and the electronic expansion valve achieves the purpose of adjusting the flow of the refrigerant by controlling voltage or current.
As a further aspect of the present invention: the high-pressure electromagnetic valve is arranged on the copper pipe between the condenser and the liquid storage tank, the high-pressure electromagnetic valves are respectively arranged on the first branch pipe and the second branch pipe, and the high-pressure electromagnetic valves control the conduction of pipelines.
As a further aspect of the present invention: the water return pipe and the water supply pipe of the condensation pipe are arranged in the through hole in the right side wall of the box body, so that the condensation pipe and the water supply pipe are conveniently communicated with the heat preservation water tank.
As a further aspect of the present invention: the middle part of the antetheca of box is sunken backward and is formed the recess, the front end department of recess is provided with the chamber door, the nitrogen cylinder sets up in the recess to conveniently change the nitrogen cylinder.
As a further aspect of the present invention: a cylindrical tubular air outlet pipe is fixed in a through hole in the top side wall of the box body, and the fan is installed in the air outlet pipe.
As a further aspect of the present invention: the top of the tube hole of outlet duct is provided with a plurality of guard plates, the guard plate is type U plate column structure, and is overlapped from top to bottom between two adjacent guard plates, when the guard plate prevents that the foreign matter from getting into in the outlet duct, prevent that the rainwater from falling into in the outlet duct.
As a further aspect of the present invention: the side walls of the air outlet pipes on the front side and the rear side of the protection plate are respectively provided with a through hole, namely a drain hole, and rainwater accumulated on the protection plate flows out of the drain hole.
The utility model has the advantages that:
(1) the utility model discloses set up condenser and evaporimeter, in using, the compressor is with the low pressure refrigerant compression back of backward flow, become the highly compressed gas outgoing of high temperature, the copper pipe in the condenser is flowed through to the highly compressed refrigerant gas of high temperature, the heat is the aquatic in the condenser conducted through the copper pipe, the refrigerant that gets off under the continuous action of pressure becomes liquid, and flow into in the liquid storage pot, get into the evaporimeter after the electronic expansion valve, because the pressure of evaporimeter reduces suddenly, consequently, liquid refrigerant evaporates rapidly here and becomes the gaseous state, and absorb a large amount of heats, and simultaneously, under the effect of fan, a large amount of air flows through the evaporimeter surface, energy in the air is absorbed by the evaporimeter, air temperature reduces rapidly, the refrigerant reflux compressor of having absorbed certain energy afterwards, get into next circulation. The utility model discloses the make full use of energy has energy saving and emission reduction's advantage.
(2) The utility model discloses set up nitrogen cylinder and manometer, when detecting the leak source, electronic expansion valve closes, make the refrigerant in the copper pipe all flow into the liquid storage pot, then high-pressure solenoid valve between condenser and the liquid storage pot closes, high-pressure solenoid valve on a branch pipe and No. two branch pipes is opened, make nitrogen gas in the nitrogen cylinder flow into in the copper pipe, the pressure value until the manometer senses in the copper pipe reaches the measured value, then high-pressure solenoid valve on a branch pipe and No. two branch pipes closes, wait for an hour after, high-pressure solenoid valve on No. two branch pipes is opened, the pressure value in the manometer response copper pipe, and contrast with the measured value, with judge whether the copper pipe leaks gas. The utility model discloses can carry out the leak source automatically and detect.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a sectional view of the outlet duct.
Wherein: the device comprises a box body 10, an evaporator 11, a gas-liquid separator 12, a compressor 13, a condenser 14, a liquid storage tank 15, a filter 16, an electronic expansion valve 17, a high-pressure electromagnetic valve 18, a fan 19, a copper pipe 20, a water return pipe 21, a water supply pipe 22, a first branch pipe 23, a nitrogen gas bottle 24, a second branch pipe 25, a pressure gauge 26, a box door 28, an air outlet pipe 29, a protection plate 30 and a water drain hole 31.
Detailed Description
The environment-friendly energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points provided by the embodiment has a structure shown in fig. 1-3, and comprises a box body 10 and an internal structure, wherein the box body 10 is of a cuboid shell structure; the inner structure is arranged in a cavity of the box body 10, the inner structure comprises an evaporator 11, a compressor 13, a condenser 14, a liquid storage tank 15, a fan 19, a branch pipe 23, a branch pipe 25, a nitrogen gas bottle 24 and a pressure gauge 26, a copper pipe 20 is coiled in the evaporator 11, one end of the copper pipe 20 is communicated with an inlet of the compressor 13, the other end of the copper pipe is communicated with an outlet of the liquid storage tank 15, a copper pipe 20 is coiled in the condenser 14, one end of the copper pipe 20 is communicated with an outlet of the compressor 13, the other end of the copper pipe is communicated with an inlet of the liquid storage tank 15, the fan 19 is arranged in a through hole on the top wall of the box body 10, the fan 10 drives the outside air to contact with the evaporator 11, the branch pipe 23 is arranged on the copper pipe 20 between the compressor 13 and the condenser 14, the end of the branch pipe 23 is communicated with the nitrogen gas bottle 24, the branch pipe 25 is arranged on the copper pipe 20 between the liquid storage tank 15 and the condenser 14, the end of the second branch pipe 25 is connected with a pressure gauge 26, the nitrogen gas bottle 24 injects nitrogen gas into the copper pipe 20, and the pressure gauge 26 senses pressure change in the copper pipe 20.
A vapor-liquid separator 12 is connected in series to the copper pipe 20 between the compressor 13 and the evaporator 11, and the vapor-liquid separator 12 separates refrigerant liquid and vapor so that the refrigerator liquid flows into the compressor 13.
A filter 16 is connected in series between the liquid storage tank 15 and the evaporator 11 through a pipeline, and the filter 16 plays a role in filtering impurities in the refrigerant.
An electronic expansion valve 17 is connected in series between the filter 16 and the evaporator 11 through a pipeline, and the electronic expansion valve 17 achieves the purpose of adjusting the flow of the refrigerant by controlling voltage or current.
A high-pressure electromagnetic valve 18 is arranged on a copper pipe 20 between the condenser 14 and the liquid storage tank 15, a high-pressure electromagnetic valve 18 is respectively arranged on the first branch pipe 23 and the second branch pipe 25, and the high-pressure electromagnetic valve 18 controls the conduction of the pipeline.
The water return pipe 21 and the water supply pipe 22 of the condensation duct 14 are disposed in a through hole of a right side wall of the case 10 to facilitate communication with the hot water tank.
The middle part of the antetheca of box 10 is sunken backward and is formed the recess, the front port department of recess is provided with chamber door 28, nitrogen cylinder 24 sets up in the recess to conveniently change nitrogen cylinder 24.
A cylindrical tubular air outlet pipe 29 is fixed in a through hole in the top side wall of the box body 10, and the fan 19 is installed in the air outlet pipe 29.
The top of the tube hole of outlet duct 29 is provided with a plurality of guard plates 30, guard plates 30 are U-shaped plate structure, and overlap from top to bottom between two adjacent guard plates 30, guard plates 30 prevent when the foreign matter from getting into outlet duct 29, prevent that the rainwater from falling into outlet duct 29.
The side walls of the air outlet pipe 29 on the front and rear sides of the protection plate 30 are respectively provided with a through hole, namely a drain hole 31, and rainwater accumulated on the protection plate 30 flows out of the drain hole 31.
The utility model discloses a theory of operation: when the air conditioner is used, the compressor 13 compresses a backflow low-pressure refrigerant, the backflow low-pressure refrigerant is changed into high-temperature high-pressure gas to be discharged, the high-temperature high-pressure refrigerant gas flows through a copper pipe in the condenser 14, heat is transferred to water in the condenser 14 through the copper pipe, the cooled refrigerant is changed into liquid under the continuous action of pressure and flows into the liquid storage tank 15, then the liquid refrigerant enters the evaporator 11 through the electronic expansion valve 17, the pressure of the evaporator 11 is suddenly reduced, the liquid refrigerant is quickly evaporated into gas, a large amount of heat is absorbed, meanwhile, under the action of the fan 19, a large amount of air flows through the outer surface of the evaporator 11, the energy in the air is absorbed by the evaporator, the air temperature is quickly reduced, and then the refrigerant absorbing a certain amount of energy flows back to the compressor 13 to enter the next cycle; when a leak point is detected, the electronic expansion valve 18 is closed, so that the refrigerant in the copper pipe 20 flows into the liquid storage tank 15, then the high-pressure electromagnetic valve 18 between the condenser 14 and the liquid storage tank 15 is closed, the high-pressure electromagnetic valves 18 on the first branch pipe 23 and the second branch pipe 25 are opened, so that the nitrogen in the nitrogen bottle 24 flows into the copper pipe 20 until the pressure gauge 26 senses that the pressure value in the copper pipe 20 reaches a measured value, then the high-pressure electromagnetic valves 18 on the first branch pipe 23 and the second branch pipe 25 are closed, after one hour, the high-pressure electromagnetic valve 18 on the second branch pipe 25 is opened, and the pressure gauge 26 senses the pressure value in the copper pipe 20 and compares the pressure value with the measured value to judge whether the copper pipe 20 leaks gas or not. The utility model discloses can carry out the leak source automatically and detect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An environment-friendly energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points is characterized by comprising a box body (10) and an internal structure, wherein the box body (10) is of a cuboid shell structure; the inner structure is arranged in a cavity of the box body (10), the inner structure comprises an evaporator (11), a compressor (13), a condenser (14), a liquid storage tank (15), a fan (19), a first branch pipe (23), a second branch pipe (25), a nitrogen bottle (24) and a pressure gauge (26), a copper pipe (20) is coiled in the evaporator (11), one end of the copper pipe (20) is communicated with an inlet of the compressor (13), the other end of the copper pipe is communicated with an outlet of the liquid storage tank (15), a copper pipe (20) is coiled in the condenser (14), one end of the copper pipe (20) is communicated with an outlet of the compressor (13), the other end of the copper pipe is communicated with an inlet of the liquid storage tank (15), the fan (19) is arranged in a through hole on the top wall of the box body (10), the first branch pipe (23) is arranged on the copper pipe (20) between the compressor (13) and the condenser (14), no. one branch pipe (23) end and nitrogen cylinder (24) intercommunication, be provided with No. two branch pipes (25) on copper pipe (20) between liquid storage pot (15) and condenser (14), No. two branch pipe (25) ends are connected with manometer (26).
2. The environment-friendly and energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points according to claim 1, characterized in that: a vapor-liquid separator (12) is connected in series on the copper pipe (20) between the compressor (13) and the evaporator (11), the vapor-liquid separator (12) separates refrigerant liquid and vapor, and the refrigerator liquid flows into the compressor (13).
3. The environment-friendly and energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points according to claim 1, characterized in that: a filter (16) is connected in series between the liquid storage tank (15) and the evaporator (11) through a pipeline, and the filter (16) plays a role in filtering impurities in the refrigerant.
4. The environment-friendly and energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points according to claim 3, characterized in that: an electronic expansion valve (17) is connected in series between the filter (16) and the evaporator (11) through a pipeline, and the electronic expansion valve (17) achieves the purpose of adjusting the flow of the refrigerant by controlling voltage or current.
5. The environment-friendly and energy-saving hot water unit capable of detecting nitrogen-filled pressure-maintaining leakage points according to claim 1, characterized in that: a high-pressure solenoid valve (18) is arranged on a copper pipe (20) between the condenser (14) and the liquid storage tank (15), the first branch pipe (23) and the second branch pipe (25) are respectively provided with a high-pressure solenoid valve (18), and the high-pressure solenoid valves (18) control the conduction of pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756102.1U CN214791930U (en) | 2021-04-14 | 2021-04-14 | Environment-friendly and energy-saving hot water unit capable of realizing nitrogen-filling pressure-maintaining leak point detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756102.1U CN214791930U (en) | 2021-04-14 | 2021-04-14 | Environment-friendly and energy-saving hot water unit capable of realizing nitrogen-filling pressure-maintaining leak point detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214791930U true CN214791930U (en) | 2021-11-19 |
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ID=78669311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120756102.1U Expired - Fee Related CN214791930U (en) | 2021-04-14 | 2021-04-14 | Environment-friendly and energy-saving hot water unit capable of realizing nitrogen-filling pressure-maintaining leak point detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214791930U (en) |
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2021
- 2021-04-14 CN CN202120756102.1U patent/CN214791930U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |