CN202954956U - Continuous liquid carrying operation and liquid loading start operation test device for compressor - Google Patents
Continuous liquid carrying operation and liquid loading start operation test device for compressor Download PDFInfo
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- CN202954956U CN202954956U CN 201220654122 CN201220654122U CN202954956U CN 202954956 U CN202954956 U CN 202954956U CN 201220654122 CN201220654122 CN 201220654122 CN 201220654122 U CN201220654122 U CN 201220654122U CN 202954956 U CN202954956 U CN 202954956U
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- refrigerant
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Abstract
The utility model discloses a test device for the continuous liquid carrying operation and liquid loading start operation for a compressor. According to the test device, a supercooling system and a water chilling unit are arranged on a conventional refrigeration circulating system, wherein the supercooling system is provided with a two-way adjusting valve, a refrigerant cooler, a liquid storage device, a liquid adding pump, and a flow meter so as to provide conditions of continuous liquid return operation and multiple times of liquid carrying start of the compressor for the refrigeration circulating system; the return liquid quantity of a liquid refrigerant is accurately controlled and measured through the flow meter and the adjusting valve; and the pressure and the temperature of the liquid refrigerant of return liquid are accurately controlled and measured through a pressure meter, a thermometer and the like.
Description
Technical field
The utility model relates to a kind of performance testing device, starts for the operation of compressor continuous band liquid and hydrops the testing apparatus that moves.
Background technique
Liquid refrigerant and/or lubricant oil damage the phenomenon of suction valve chip when sucking compresser cylinder with gas, and enter after cylinder and do not discharge rapidly in exhaust process, piston during near top dead center compressed and produce moment high hydraulic pressure phenomenon be commonly called liquid hammer.Usually, liquid hit phenomenon can be divided into two parts or process: at first, with air-breathing when entering compresser cylinder at a relatively high speed, due to the impact of liquid and incompressible, can cause suction valve chip overbending or fracture when more liquid refrigerant, lubricant oil or both mixtures; Secondly, when in cylinder, in time evaporation and the liquid of discharging were subject to piston compression, the immense pressure that occurs in moment also caused distortion and the damage of stressed member.These stressed members comprise suction and discharge valve block, valve plate, valve plate pad, piston (top), wrist pin, connecting rod, bent axle, bearing shell etc.The liquid that can cause the compressor liquid hammer has following several source: 1) return liquid, namely flow back to liquid refrigerant or the lubricant oil of compressor from vaporizer; 2) foam during flooded starts; 3) lubricant oil in compressor is too many.For the refrigeration system of using expansion valve, the expansion valve type selecting is excessive, degree of superheat setting is too little, the incorrect or adiabatic wrapping of temperature-sensitive bag installation method is damaged, expansion valve is malfunctioning all may cause back liquid.For using little refrigeration system capillaceous, liquid volume added is crossed conference and is caused back liquid.
Utilize the system of hot gas defrosting that liquid easily occurs back.Poor heat transfer during the serious or fan failure of evaporimeter frosting, unevaporated liquid can cause back liquid.The temperature of ice house frequent fluctuation can cause that also expansion valve reacts malfunctioning and causes back liquid.Generally the intake grill that adopts under cold operation or pass through stifled vaporizer at present with the liquid operation in the analog compression captain phase, allow the means such as refrigerant evaporation is incomplete make compressor return air mouth band liquid, it is complete machine to be placed on low temperature environment made refrigerant migration to outer machine in lower 12 hours that the compressor hydrops starts, then start, the checking compressor starts under band liquid, reliability of operation.This experimental technique can't accurately measure the band liquid measure, the efficient of test is very low simultaneously, more can't quantize to carry out the damage of the compressor internals that causes because of liquid hammer, compressor lubricant oil dilution in compressor band liquid situation, can't quantize to examine compressor reliability operation and working life to assess.By present experimental condition, research technique falls behind, and test period is long, and efficient is too low, can't precisely control back liquid measure.
The model utility content
A kind of compressor continuous band liquid operation and hydrops start the testing apparatus of operation, it is characterized in that having three systems: air-conditioning system, formed by compressor, condenser, threeway, throttle valve, vaporizer, and connect and compose successively a circulatory system; Cross cooling system, by compressor, condenser, threeway, two-way modulating valve, refrigerant cooler, liquid-storage container, liquid-sighting glass, fluid filling pump, flowmeter, and some valves form, connect and compose successively a circulatory system; And water chilling unit system, formed by handpiece Water Chilling Units, refrigerant cooler, water pump, cooling tower etc. and connect and compose successively a circulatory system.
When making compressor and returning continuously the liquid running experiment, according to the liquid measure of returning that enters compressor that calculates, regulate described two-way modulating valve, guarantee that compressor sucks a certain proportion of band liquid gas, fluid flow is obtained by described flowmeter survey, and pressure gauge and thermometer measure go out back the pressure and temperature of the liquid refrigerants of liquid.
When doing test compression machine hydrops frequent starting, add described compressor to carry out hydrops the refrigerant liquid in described liquid-storage container by fluid filling pump and start, fluid flow is obtained by described flowmeter survey, and pressure gauge and thermometer measure go out the pressure and temperature of hydrops.
The model utility effect
1) provide compressor to return continuously the condition of liquid operation
2) provide the repeatedly condition of flooded starts of compressor
3) time liquid measure of accurate control and measurement liquid refrigerants
4) accurate control and measurement returns temperature, the pressure of the liquid refrigerants of liquid
5) accelerate to measure compressor reliability and raising testing efficiency
Description of drawings
Fig. 1 is the testing apparatus schematic diagram in the utility model
Embodiment
As shown in Figure 1, this testing apparatus is comprised of three systems:
System one: air-conditioning system forms a circulatory system by compressor 1, condenser 2, threeway 3, throttle valve 4, vaporizer 5.
System two: cross cooling system, by compressor 1, condenser 2, threeway 3, two-way modulating valve 16, refrigerant cooler 7, liquid-storage container 11, liquid-sighting glass 12, fluid filling pump 13, flowmeter 14, and some valves form.
System three: water chilling unit system is comprised of handpiece Water Chilling Units 10, refrigerant cooler 7, water pump 9, cooling tower 8 etc.
By regulation and control system two, for providing compressor, system one returns continuously the repeatedly condition of flooded starts of liquid operation and compressor, for system three provides refrigerant excessively cold condition.
In air-conditioning system, the refrigerant liquid of condenser 2 is divided into two-way through three-way control valve 3, wherein one the tunnel enters throttle valve, circulates in air-conditioning system; Another road reduces pressure and temperature by expenditure and pressure 6, flows into refrigerant cooler 7 further excessively cold again, reduces and regulates refrigerant temperature, enters liquid-storage container 11.
Chilled water system is excessively cold by the refrigerant liquid that setup control will flow into refrigerant cooler 7, reduces and regulates refrigerant to temperature required.
Can be according to the liquid measure of returning that enters compressor that calculates when making compressor and return continuously the liquid running experiment, regulate two-way modulating valve 15, guarantee that compressor sucks a certain proportion of band liquid gas, fluid flow is measured by flowmeter 14, and pressure gauge 17 and thermometer 18 are measured back pressure, the temperature of the liquid refrigerants of liquid.
When doing test compression machine hydrops frequent starting, add compressor to carry out hydrops the refrigerant liquid of 11 li of liquid-storage containers by fluid filling pump 13 and start, fluid flow is measured by flowmeter 14.Pressure gauge 17 and thermometer 18 are measured pressure, the temperature of hydrops.
This experimental setup has effectively been created compressor and has been returned continuously liquid operation, the condition of flooded starts repeatedly, precisely the control and measurement liquid refrigerants return liquid measure and temperature and pressure, accelerate to measure compressor reliability and improve testing efficiency.
Claims (1)
1. compressor continuous band liquid operation and hydrops start the testing apparatus that moves, and it is characterized in that having three systems:
Air-conditioning system is comprised of compressor, condenser, threeway, throttle valve, vaporizer, connects and composes successively a circulatory system;
Cross cooling system, by compressor, condenser, threeway, two-way modulating valve, refrigerant cooler, liquid-storage container, liquid-sighting glass, fluid filling pump, flowmeter, and some valves form, connect and compose successively a circulatory system; And
Water chilling unit system is comprised of handpiece Water Chilling Units, refrigerant cooler, water pump, cooling tower and connects and composes successively a circulatory system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220654122 CN202954956U (en) | 2012-11-30 | 2012-11-30 | Continuous liquid carrying operation and liquid loading start operation test device for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220654122 CN202954956U (en) | 2012-11-30 | 2012-11-30 | Continuous liquid carrying operation and liquid loading start operation test device for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202954956U true CN202954956U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220654122 Expired - Fee Related CN202954956U (en) | 2012-11-30 | 2012-11-30 | Continuous liquid carrying operation and liquid loading start operation test device for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202954956U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529377A (en) * | 2019-10-09 | 2019-12-03 | 江苏中关村科技产业园节能环保研究有限公司 | Compressor reliability test macro |
| CN112502959A (en) * | 2020-12-04 | 2021-03-16 | 青岛万宝压缩机有限公司 | Compressor testing device and method |
| CN116292242A (en) * | 2023-01-13 | 2023-06-23 | 合肥新沪屏蔽泵有限公司 | Water pump accelerated life test system |
-
2012
- 2012-11-30 CN CN 201220654122 patent/CN202954956U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529377A (en) * | 2019-10-09 | 2019-12-03 | 江苏中关村科技产业园节能环保研究有限公司 | Compressor reliability test macro |
| CN112502959A (en) * | 2020-12-04 | 2021-03-16 | 青岛万宝压缩机有限公司 | Compressor testing device and method |
| CN116292242A (en) * | 2023-01-13 | 2023-06-23 | 合肥新沪屏蔽泵有限公司 | Water pump accelerated life test system |
| CN116292242B (en) * | 2023-01-13 | 2024-03-12 | 合肥新沪屏蔽泵有限公司 | Water pump accelerated life test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20131130 |