CN202631284U - Air-conditioning system testing device - Google Patents
Air-conditioning system testing device Download PDFInfo
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- CN202631284U CN202631284U CN 201220274639 CN201220274639U CN202631284U CN 202631284 U CN202631284 U CN 202631284U CN 201220274639 CN201220274639 CN 201220274639 CN 201220274639 U CN201220274639 U CN 201220274639U CN 202631284 U CN202631284 U CN 202631284U
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- air
- conditioning system
- proving installation
- valve
- system proving
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Abstract
The utility model provides an air-conditioning system testing device. The air-conditioning system testing device comprises a pressure-reducing regulating valve (6), a refrigerant cooling system, a liquid storage device (11), a flowmeter (14) and a flow regulating valve (15) which are connected sequentially through pipelines. According to the air-conditioning system testing device, the running state continuous entraining liquid of a compressor can be measured quantitatively, starting conditions of accumulated liquid of the compressor are provided, testing efficiency is effectively improved, and the liquid returning amount of an air-conditioning system is accurately measured and controlled.
Description
Technical field
The utility model relates to air-conditioning system simulation test technology, in particular to a kind of air-conditioning system proving installation.
Background technology
Present air-conditioning system, often big or design is not good to cause refrigerant evaporation incomplete because of the variation of ambient temperature scope used, perhaps cause compressor to return liquid because of the vapour liquid separator inferior separating effect, cause compressor for a long time, under the band liquid status, move continuously.Simultaneously, air-conditioning system starts because of problems such as refrigerant migration cause the compressor hydrops, causes the compressor liquid hammer, and the refrigerant poor lubrication causes compressor damage, breaks down.At present the testing experiment means for the band liquid running status performance of air-conditioning system fall behind, and overlong time, efficient are low excessively, more can't accurately measure and control back liquid measure.
The utility model content
The utility model aims to provide a kind of air-conditioning system proving installation, running status that can measures of quantization compressor continuous belts liquid, and the condition that provides the compressor hydrops to start effectively improves testing efficiency, accurately measures and control the liquid measure of returning of air-conditioning system.
To achieve these goals; An aspect according to the utility model; A kind of air-conditioning system proving installation is provided, and the air-conditioning system proving installation comprises decompression valve, refrigerant cooling system, reservoir, flowmeter and the flow control valve that connects successively through pipeline.
Further, the refrigerant cooling system comprises the refrigerant refrigeratory that is connected between decompression valve and the reservoir, links to each other with the refrigerant refrigeratory and forms cooling tower, handpiece Water Chilling Units and the water pump of cooling circuit.
Further, be provided with first stop valve between reservoir and the flowmeter.
Further, the air-conditioning system proving installation comprises that also the hydrops parallelly connected with first stop valve drives pipeline.
Further, hydrops driving pipeline comprises second stop valve and the fluid filling pump that sets gradually along the refrigerant flow direction.
Further, hydrops driving pipeline also comprises the 3rd stop valve that is arranged on the fluid filling pump downstream.
Further, the air-conditioning system proving installation also comprises on the pipeline that is arranged between reservoir and the flowmeter or is arranged on the liquid-sighting glass on the reservoir.
Further, the decompression valve of air-conditioning system proving installation is connected on the condenser and the pipeline between the throttling valve of tested air-conditioning system, and the flow control valve of air-conditioning system proving installation is connected to the place, suction port of compressor of tested air-conditioning system.
Further, access place that inserts tested air-conditioning system of air-conditioning system proving installation is provided with distribution valve.
Use the technical scheme of the utility model, the air-conditioning system proving installation comprises decompression valve, refrigerant cooling system, reservoir, flowmeter and the flow control valve that connects successively through pipeline.The decompression valve of this air-conditioning system proving installation can directly or indirectly be connected with the condenser of air conditioner, thereby can regulate the temperature and pressure of the liquid coolant that from condenser, flows out, makes its air pressure and temperature with compressor inlet identical; And the liquid coolant that regulates is back to compressor inlet; It is mixed with the air of discharging from evaporator mutually, thus running status that can measures of quantization compressor continuous belts liquid, the condition that provides the compressor hydrops to start; Effectively improve testing efficiency; Accurately measure and control the liquid measure of returning of air-conditioning system, measure quick and precisely, satisfy the measurement needs of air-conditioning system under the different compressors state.
Description of drawings
The accompanying drawing that constitutes the part of the utility model is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to the air-conditioning system proving installation of the embodiment of the utility model.
Embodiment
Hereinafter will and combine embodiment to specify the utility model with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
As shown in Figure 1, according to the embodiment of the utility model, a kind of air-conditioning system proving installation comprises the decompression valve 6 that connects successively through pipeline, refrigerant cooling system, reservoir 11, first stop valve 16, flowmeter 14 and flow control valve 15.
The refrigerant cooling system comprises refrigerant refrigeratory 7, cooling tower 8, handpiece Water Chilling Units 10 and water pump 9.Refrigerant refrigeratory 7 is connected between decompression valve 6 and the reservoir 11; Be used for carrying out the step-down cooling to flow through the liquid coolant that comes from decompression valve 6; Make from refrigerant refrigeratory 7 liquid coolant that flows out reach the temperature and pressure of required state, to satisfy the test needs.Refrigerant refrigeratory 7 forms cooling circuits with cooling tower 8, handpiece Water Chilling Units 10 and water pump 9, and chilled water flows out in cooling tower 8, goes into water pump 9 through handpiece Water Chilling Units 10 coolings are laggard, and is pumped in the refrigerant refrigeratory 7 by water pump 9 and to participate in cool cycles.Chilled water after the participation cool cycles flows back in the handpiece Water Chilling Units 10 from another water route joint of refrigerant refrigeratory 7, cools off via getting into cooling tower 8 after handpiece Water Chilling Units 10 heat exchange, gets into cool cycles afterwards once more.Cooling tower 8 in the refrigerant cooling system, handpiece Water Chilling Units 10 and water pump 9 can replace for other cooling unit, are used for carrying out heat exchange with refrigerant refrigeratory 7 interior liquid coolants, make the liquid coolants in the refrigerant refrigeratory 7 reach desired state.
Can be parallelly connected on the pipeline at first stop valve, 16 two ends a hydrops drive pipeline so that the performance test of the air-conditioning system running status when making this air-conditioning system proving installation can realize performance test and the hydrops frequent starting of band liquid running status of air-conditioning system simultaneously.Hydrops drives pipeline and comprises second stop valve 16 ', fluid filling pump 13 and the 3rd stop valve 16 that sets gradually along the flow direction of refrigerant ".Second stop valve 16 ' is used for the controlling liquid refrigerant and gets into fluid filling pump 13; Through changing the open and-shut mode of first stop valve 16 and second stop valve 16 ', can control the air-conditioning system proving installation and perhaps carry out the performance test of hydrops frequent starting state with the performance test of liquid running status.Fluid filling pump 13 provides the liquid transmitting power, is used for the liquid coolant pumping in the reservoir 11 is gone out.The 3rd stop valve 16 " be arranged on the downstream of fluid filling pump 13; can prevent that on the one hand fluid filling pump 13 from pumping the back liquid coolant with liquid coolant and being back to fluid filling pump 13; on the other hand also can be when fluid filling pump 13 is keeped in repair; close second stop valve 16 ' and the 3rd stop valve 16 ", prevent that liquid coolant from continuing to flow to fluid filling pump 13, makes things convenient for the maintenance of fluid filling pump 13.
For the ease of the mobile of liquid coolant observed; Test better; The air-conditioning system proving installation can also perhaps directly be provided with viewport on the reservoir 11 or on the pipeline between reservoir 11 and the flowmeter 14 liquid-sighting glass 12 being set on reservoir 11.When the liquid coolant in the reservoir 11 flows to flowmeter 14, can observe the state of liquid coolant through liquid-sighting glass 12 or viewport.
Air-conditioning system to be tested comprises compressor 1, condenser 2, throttling valve 4 and the evaporator 5 that is connected in series the formation loop through pipeline successively; Also comprise above-mentioned air-conditioning system proving installation; The decompression valve 6 of air-conditioning system proving installation is connected on the condenser 2 and the pipeline between the throttling valve 4 of tested air-conditioning system, and the flow control valve 15 of air-conditioning system proving installation is connected to compressor 1 porch of tested air-conditioning system.
Preferably; Access place that inserts tested air-conditioning system at the air-conditioning system proving installation is provided with distribution valve 3; Wherein distribution valve 3 is a three-way distribution valve; The pressurization variable valve of air-conditioning system proving installation is connected to one of them valve port of three-way distribution valve through pipeline, and two other valve port of three-way distribution valve is connected to condenser 2 and throttling valve 4 through pipeline respectively.The flow control valve 15 of air-conditioning system proving installation is connected on the pipeline between compressor 1 and the evaporator 5, circulates thereby be inhaled in the compressor 1 with the gaseous coolant that from evaporator 5, flows out.Distribution valve 3 can also be arranged on the place, on-position that flow control valve 15 inserts tested air-conditioning system.
In conjunction with referring to shown in Figure 1, the course of work of the air-conditioning system proving installation of the utility model is following:
Compressor 1 sucks the LP steam in the evaporator 5, discharges the overheated gas of HTHP after compression, and 2 heat releases are condensed into saturated or cold excessively liquid coolant through condenser then; Be divided into two-way through three-way distribution valve; One the road to the air-conditioning system proving installation, inflow evaporator 5 after another road process throttling valve 4 expansion step-downs, and flow out heat absorption vaporization back in evaporator 5; Be compressed machine 1 suction and compress, begin new circulation.
Behind the valve port inflow air-conditioning system proving installation of the liquid coolant that condenser 2 comes out through three-way distribution valve; Step-down and cooling are carried out in 6 throttlings of liquid coolant process decompression valve; Liquid coolant through the step-down cooling cools through refrigerant refrigeratory 7 again; Pressure and temperature through the liquid coolant after the step-down cooling is identical with the state of compressor 1 air entry, and the liquid coolant after handling then is stored in the reservoir 11.
When the operating mode of test compression machine 1 continuous belts liquid operation; Need close the second stop valve 16' and the 3rd stop valve 16 "; open first stop valve 16, the liquid coolant amount that sucks according to compressor 1 air entry needs then removes to set the flow of cold medium flux meter 14, the coolant quantity in the cold medium flux meter 14 measuring system pipelines; and the feedback current signal is shown to PID; drive the aperture size of flow control valve 15 through the proportional control of PID table, liquid coolant flow to through flow control valve 15 on the main line of air-conditioning system like this, and the gas coolant of coming with evaporator 5 mixes; make compressor 1 suck the refrigerant of a certain proportion of gas-liquid mixed, thereby compressor 1 band liquid is moved.Because the flow of the liquid coolant that from the air-conditioning system proving installation, flows out is controlled; And the refrigerant state that from evaporator 5, flows out also is controllable; Therefore, can control the ratio of gas-liquid mixed refrigerant accurately, make it reach the required gas-liquid refrigerant combined amount of test.Operational factor through control air conditioner and air-conditioning system control device; Can make gas coolant realize different blending ratios with liquid coolant; Thereby realize the performance of the 1 band liquid running status of the compressor under the various gas-liquid mixed states is tested, satisfy testing requirements.
When needs test compression machine 1 hydrops frequent starting, at first close air conditioner, make air conditioner belong to the off-duty state.Close first stop valve 16 in the air-conditioning system proving installation then; Open second stop valve 16 ' and the 3rd stop valve 16 of fluid filling pump 13 front and back "; start fluid filling pump 13 and the liquid refrigerants in the reservoir 11 are delivered to carry out hydrops in the compressor 1 and start; and get into the liquid coolant amount in the compressors 1 through flowmeter 14 controls; close second stop valve 16 ' and the 3rd stop valve 16 then ", operating air conditioner, the performance of air conditioner when test gets into compressor 1 interior liquid coolant and in air conditioner, moves.So, the performance of air conditioner is tested in the time of just can in air conditioner, moving the liquid coolant of difference amount, obtains the running status of air conditioner under the different liquid coolant states of measuring, thus the hydrops frequent starting performance of test compression machine 1.
From above description; Can find out that the utility model the above embodiments have realized following technique effect: the air-conditioning system proving installation comprises decompression valve, refrigerant cooling system, reservoir, flowmeter and the flow control valve that connects successively through pipeline.The decompression valve of this air-conditioning system proving installation can directly or indirectly be connected with the condenser of air conditioner, thereby can regulate the temperature and pressure of the liquid coolant that from condenser, flows out, makes its air pressure and temperature with compressor inlet identical; And the liquid coolant that regulates is back to compressor inlet; It is mixed with the air of discharging from evaporator mutually, thus running status that can measures of quantization compressor continuous belts liquid, the condition that provides the compressor hydrops to start; Effectively improve testing efficiency; Accurately measure and control the liquid measure of returning of air-conditioning system, measure quick and precisely, satisfy the measurement needs of air-conditioning system under the different compressors state.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. an air-conditioning system proving installation is characterized in that, said air-conditioning system proving installation comprises decompression valve (6), refrigerant cooling system, reservoir (11), flowmeter (14) and the flow control valve (15) that connects successively through pipeline.
2. air-conditioning system proving installation according to claim 1; It is characterized in that said refrigerant cooling system comprises the refrigerant refrigeratory (7) that is connected between said decompression valve (6) and the said reservoir (11), links to each other with said refrigerant refrigeratory (7) and form cooling tower (8), handpiece Water Chilling Units (10) and the water pump (9) of cooling circuit.
3. air-conditioning system proving installation according to claim 1 is characterized in that, is provided with first stop valve (16) between said reservoir (11) and the said flowmeter (14).
4. air-conditioning system proving installation according to claim 3 is characterized in that, said air-conditioning system proving installation comprises that also the hydrops parallelly connected with said first stop valve (16) drives pipeline.
5. air-conditioning system proving installation according to claim 4 is characterized in that, said hydrops drives pipeline and comprises second stop valve (16 ') and the fluid filling pump (13) that sets gradually along the refrigerant flow direction.
6. air-conditioning system proving installation according to claim 5 is characterized in that, said hydrops drives pipeline and also comprises the 3rd stop valve that is arranged on said fluid filling pump (13) downstream (16 ").
7. air-conditioning system proving installation according to claim 1; It is characterized in that said air-conditioning system proving installation also comprises on the pipeline that is arranged between said reservoir (11) and the said flowmeter (14) or is arranged on the liquid-sighting glass (12) on the said reservoir (11).
8. according to each described air-conditioning system proving installation in the claim 1 to 7; It is characterized in that; The decompression valve of said air-conditioning system proving installation (6) is connected on the condenser (2) and the pipeline between the throttling valve (4) of tested air-conditioning system, and the flow control valve of said air-conditioning system proving installation (15) is connected to compressor (1) porch of tested air-conditioning system.
9. air-conditioning system proving installation according to claim 8 is characterized in that, access place that said air-conditioning system proving installation inserts tested air-conditioning system is provided with distribution valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274639 CN202631284U (en) | 2012-06-11 | 2012-06-11 | Air-conditioning system testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274639 CN202631284U (en) | 2012-06-11 | 2012-06-11 | Air-conditioning system testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631284U true CN202631284U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220274639 Withdrawn - After Issue CN202631284U (en) | 2012-06-11 | 2012-06-11 | Air-conditioning system testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202631284U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487267A (en) * | 2012-06-11 | 2014-01-01 | 珠海格力电器股份有限公司 | Air conditioning system testing device |
| CN106568608A (en) * | 2016-11-07 | 2017-04-19 | 上海出入境检验检疫局机电产品检测技术中心 | Energy-saving system for detection process of air conditioner |
| CN112097463A (en) * | 2020-09-07 | 2020-12-18 | 海信容声(广东)冰箱有限公司 | Refrigerator control method and device |
| CN112413954A (en) * | 2020-11-23 | 2021-02-26 | 珠海格力电器股份有限公司 | Air source heat pump hot water chilling unit control method and device and air conditioning system |
-
2012
- 2012-06-11 CN CN 201220274639 patent/CN202631284U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487267A (en) * | 2012-06-11 | 2014-01-01 | 珠海格力电器股份有限公司 | Air conditioning system testing device |
| CN103487267B (en) * | 2012-06-11 | 2016-06-08 | 珠海格力电器股份有限公司 | Air-conditioning system test set |
| CN106568608A (en) * | 2016-11-07 | 2017-04-19 | 上海出入境检验检疫局机电产品检测技术中心 | Energy-saving system for detection process of air conditioner |
| CN112097463A (en) * | 2020-09-07 | 2020-12-18 | 海信容声(广东)冰箱有限公司 | Refrigerator control method and device |
| CN112413954A (en) * | 2020-11-23 | 2021-02-26 | 珠海格力电器股份有限公司 | Air source heat pump hot water chilling unit control method and device and air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121226 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |