CN209085114U - A kind of air-source heat-pump air heater system - Google Patents
A kind of air-source heat-pump air heater system Download PDFInfo
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- CN209085114U CN209085114U CN201821422301.3U CN201821422301U CN209085114U CN 209085114 U CN209085114 U CN 209085114U CN 201821422301 U CN201821422301 U CN 201821422301U CN 209085114 U CN209085114 U CN 209085114U
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Abstract
The embodiment of the present application discloses a kind of air-source heat-pump air heater system, comprising: compressor, interior heat exchanger, flash vessel and outer heat exchanger；First liquid port of the flash vessel is connected with the interior heat exchanger, and the second liquid mouth of the flash vessel is connected with the outer heat exchanger, and the gas vent of the flash vessel is connected with the compressor；The flash vessel is provided with level monitoring device；The compressor is connected with the interior heat exchanger and the outer heat exchanger respectively by multiple-way valve and forms circulation path.Above-mentioned technical proposal solves the technical issues of current air-source heat-pump air heater product that can not learn the liquid level information inside flash vessel in the market.
Description
Technical field
This application involves air-conditioning technique field more particularly to a kind of air-source heat-pump air heater systems.
Background technique
As northern coal changes the implementation of electric policy, the air-conditioning equipment of coal-fired class is gradually eliminated, and air source heat pump hot wind
Machine obtains the extensive favor in market since its cost of investment is low, flexible for installation.
Currently, air-source heat-pump air heater product in the market, system promotes compressor performance using flash vessel, dodges
The liquid level of steaming device needs to control in reasonable range, if the liquid level of flash vessel is excessively high, liquid refrigerants is caused possibly into compressor
System exception, if the liquid level of flash vessel is too low, main road refrigerant circulation instability of flow may cause system concussion.As it can be seen that flash distillation
The liquid level information of device is the important information that can judgement system operate normally, but current can not learn flash vessel in the market
The air-source heat-pump air heater product of internal liquid level information.
Utility model content
The embodiment of the present application provides a kind of air-source heat-pump air heater system and control method, solves current market
On the technical issues of capable of not learning the air-source heat-pump air heater product of liquid level information inside flash vessel.
In view of this, this application provides a kind of air-source heat-pump air heater system, which includes:
Compressor, interior heat exchanger, flash vessel and outer heat exchanger；
First liquid port of the flash vessel is connected with the interior heat exchanger, the second liquid mouth of the flash vessel with it is described
Outer heat exchanger is connected, and the gas vent of the flash vessel is connected with the compressor；
The flash vessel is provided with level monitoring device；
The compressor is connected respectively with the interior heat exchanger and the outer heat exchanger by multiple-way valve and forms circulation and led to
Road.
Preferably, the level monitoring device specifically includes: high level switch and low liquid level switch.
Preferably, the level monitoring device is specially liquid level sensor.
Preferably, the first liquid port of the flash vessel is connected by the first control valve with the interior heat exchanger, the sudden strain of a muscle
The second liquid mouth of steaming device is connected by the second control valve with the outer heat exchanger.
Preferably, first control valve and second control valve are specially electric expansion valve or capillary-compensated or heat
The throttling of power expansion valve.
Preferably, the compressor is specially EVI frequency-changeable compressor.
Preferably, it is provided with the first temperature measuring equipment at the air intake duct of the compressor, is set at the coil pipe of the outer heat exchanger
It is equipped with the second temperature measuring equipment, is provided with third temperature measuring equipment in the middle part of the interior heat exchanger.
Preferably, the multiple-way valve is specially four-way valve.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
The gas-liquid separation of flash vessel is utilized in air-source heat-pump air heater system provided by the embodiments of the present application, the system
The gaseous coolant isolated is sprayed into compressor to improve the inspiratory capacity of compressor, improves the performance of compressor by ability；Wherein,
It is provided with level monitoring device on flash vessel, passes through the available liquid level information to flash vessel of the level monitoring device, energy
It is enough that the liquid level of flash vessel is monitored, monitoring and forewarning function are played so as to the operating status to system.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of the embodiment of air-source heat-pump air heater system provided by the present application；
Fig. 2 is the structural schematic diagram of the flash vessel in system shown in FIG. 1.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
In order to make it easy to understand, referring to Fig. 1, Fig. 1 is a kind of reality of air-source heat-pump air heater system provided by the present application
Apply the configuration diagram of example.
The system includes compressor 101, interior heat exchanger 102, flash vessel 103 and outer heat exchanger 104.
Wherein, compressor 101 can be formed with interior heat exchanger 102 and outer heat exchanger 104 respectively by multiple-way valve and be connected,
Specifically, the multiple-way valve can be four-way valve 105, the exhaust outlet of compressor 101 can connect with the first port of four-way valve 105
It connects, the air intake duct of compressor 101 can be connect with the second port of four-way valve 105, the third port of four-way valve 105 and the 4th end
Mouth can be connect with interior heat exchanger 102 and outer heat exchanger 104 respectively, and flash vessel 103 then can be with compressor 101, interior heat exchange
Machine 102 and 104 three of outer heat exchanger are separately connected, and constitute refrigerant circulation access, form complete coolant circulating system.
It should be noted that above-mentioned connection type is a kind of connection type of coolant circulating system, for each device it
Between connection type and the order of connection can also be adjusted according to the actual situation, be not specifically limited herein.
Specifically, about flash vessel 103, referring to Fig. 2, Fig. 2 is the structural representation of the flash vessel in system shown in FIG. 1
Figure.
The equipment that flash vessel 103 can be achieved on gas-liquid separation gathers around there are two liquid port, is the first liquid port respectively
201 with second liquid mouth 202, when liquid is flowed into from the first liquid port 201, then liquid can be flowed out from second liquid mouth 202, when
It is when liquid is flowed into from second liquid mouth 202, then exactly the opposite；Flash vessel 103 further includes a gas vent 203, when completion gas
After liquid separation, gaseous coolant can be sprayed by gas vent 203.
As it can be seen that there are two liquid port and a gas vents for the tool of flash vessel 103, wherein flash vessel 103 and interior heat exchanger
102 formation connections can be the first liquid port 201, can be second liquid mouth 202 with what the formation of outer heat exchanger 104 connected,
The gas vent 203 of flash vessel 103 can be connected with compressor 101, specifically, can be connected with the puff prot of compressor 101,
To which the gaseous coolant separated is sprayed into compressor 101, the inspiratory capacity of compressor 101 is promoted, improves the property of compressor 101
Energy.
It is provided with level monitoring device on flash vessel 103, the device that can monitor liquid level has very much, can be and specifically measures
Device of liquid level, such as liquid level sensor, level probe etc. are also possible to monitor the dress whether liquid level exceeds preset range
It sets, for example level monitoring device used by the flash vessel 103 in the present embodiment may include: high level switch 204 and low liquid
Bit switch 205, by analysis two switch switching-state informations, and then can to liquid level whether high level switch 204 with
It is monitored between low liquid level switch 205.
It is understood that high level switch 204 and the position of low liquid level switch 205 can be set according to actual needs
It sets, for example high level switch 204 can be set in the position of corresponding 70% liquid level of flash vessel 103, low liquid level switch 205 then can be with
The position of corresponding 30% liquid level of flash vessel 103 is set, it is of course also possible to the other positions of flash vessel 103 be arranged in, herein not
It repeats again.
It is controlled for the ease of the liquid level to flash vessel, can be arranged at the first liquid port 201 of flash vessel 103
The second control valve 107 is arranged, so that the first of flash vessel 103 in one control valve 106 at the second liquid mouth 202 of flash vessel 103
Liquid port 201 can be formed with interior heat exchanger 102 by the first control valve 106 and be connected, the second liquid mouth 202 of flash vessel 103
It can be formed and be connected with outer heat exchanger 104 by the second control valve 107.It, can be by adjusting this in conjunction with the operating mode of system
Control valve at the liquid port of Shi Zuowei liquid-inlet is to adjust the liquid level of flash vessel.
Wherein, the first control valve 106 and the second control valve 107 should be the valves for being able to carry out control, can be realized
There are many valves for stating purpose, such as electric expansion valve, capillary-compensated or heating power expansion valve throttling, specifically, in this implementation
In example, the first control valve 106 and the second control valve 107 can use electric expansion valve.
In order to improve the performance of system, compressor 101 can select frequency-changeable compressor 101, specifically, can be band jet
EVI frequency-changeable compressor 101.
In order to preferably be monitored to the operating status of system, the different operation data of measuring system is generally required, than
It, can be by the way that the first temperature measuring equipment be arranged at the air intake duct of compressor, in the disk of outer heat exchanger such as the return-air degree of superheat of system
Second temperature measuring equipment is set at pipe, third temperature measuring equipment is set at the middle part of interior heat exchanger.It, can by above three temperature measuring equipment
To measure the temperature in system different location, the calculation method of return-air degree of superheat when in conjunction with system different working modes can
To calculate the return-air degree of superheat of system, so that the operating status to system is further assessed.
In order to facilitate understanding, on the basis of the above, two kinds of operating modes of system are further illustrated.
In a heating mode, refrigerant flow direction should be: exhaust outlet → four-way valve 105 of compressor 101 is (in power down shape
State) 103 → the second control valve 107 of → interior heat exchanger → first 106 → flash vessel of control valve → outer 104 → four-way valve of heat exchanger
The air intake duct of 105 → compressor 101；Bypass refrigerant is directly injected to compressor 101 from the gas vent 203 of flash vessel 103 and sprays
Port.
In cooling mode, refrigerant flow direction should be: exhaust outlet → four-way valve 105 of compressor 101 is (in powering on shape
State) 103 → the first control valve 106 of → outer 104 → the second 107 → flash vessel of control valve of heat exchanger → interior heat exchanger → four-way valve
The air intake duct of 105 → compressor 101；It bypasses refrigerant and is directly injected to compressor 101 from the gas vent 203 of flash vessel 103
Puff prot.
The description of the present application and term " first " in above-mentioned attached drawing, " second ", " third ", " the 4th " etc. are (if deposited
) it is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that use in this way
Data are interchangeable under appropriate circumstances, so that embodiments herein described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of air-source heat-pump air heater system characterized by comprising
Compressor, interior heat exchanger, flash vessel and outer heat exchanger；
First liquid port of the flash vessel is connected with the interior heat exchanger, and the second liquid mouth of the flash vessel changes outside with described
Heat engine is connected, and the gas vent of the flash vessel is connected with the compressor；
The flash vessel is provided with level monitoring device；
The compressor is connected with the interior heat exchanger and the outer heat exchanger respectively by multiple-way valve and forms circulation path.
2. system according to claim 1, which is characterized in that the level monitoring device specifically includes: high level switch
It is switched with low liquid level.
3. system according to claim 1, which is characterized in that the level monitoring device is specially liquid level sensor.
4. system according to claim 1, which is characterized in that the first liquid port of the flash vessel passes through the first control valve
It is connected with the interior heat exchanger, the second liquid mouth of the flash vessel is connected by the second control valve with the outer heat exchanger.
5. system according to claim 4, which is characterized in that first control valve is specially with second control valve
Electric expansion valve or the throttling of capillary-compensated or heating power expansion valve.
6. system according to claim 1, which is characterized in that the compressor is specially EVI frequency-changeable compressor.
7. system according to claim 1, which is characterized in that be provided with the first thermometric dress at the air intake duct of the compressor
It sets, the second temperature measuring equipment is provided at the coil pipe of the outer heat exchanger, third thermometric dress is provided in the middle part of the interior heat exchanger
It sets.
8. system according to claim 1, which is characterized in that the multiple-way valve is specially four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422301.3U CN209085114U (en) | 2018-08-31 | 2018-08-31 | A kind of air-source heat-pump air heater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422301.3U CN209085114U (en) | 2018-08-31 | 2018-08-31 | A kind of air-source heat-pump air heater system |
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| Publication Number | Publication Date |
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| CN209085114U true CN209085114U (en) | 2019-07-09 |
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| CN201821422301.3U Active CN209085114U (en) | 2018-08-31 | 2018-08-31 | A kind of air-source heat-pump air heater system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729882A (en) * | 2020-11-24 | 2021-04-30 | 合肥通用机械研究院有限公司 | Performance evaluation method and test device for high-temperature heat pump type steam generator set |
-
2018
- 2018-08-31 CN CN201821422301.3U patent/CN209085114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729882A (en) * | 2020-11-24 | 2021-04-30 | 合肥通用机械研究院有限公司 | Performance evaluation method and test device for high-temperature heat pump type steam generator set |
| CN112729882B (en) * | 2020-11-24 | 2022-11-29 | 合肥通用机械研究院有限公司 | Performance evaluation method and testing device for high-temperature heat pump type steam generating unit |
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