CN219587748U - Compressor performance test device - Google Patents
Compressor performance test device Download PDFInfo
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- CN219587748U CN219587748U CN202320511174.9U CN202320511174U CN219587748U CN 219587748 U CN219587748 U CN 219587748U CN 202320511174 U CN202320511174 U CN 202320511174U CN 219587748 U CN219587748 U CN 219587748U
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Abstract
The utility model discloses a compressor performance test device, which comprises: the inlet of the oil separator is connected with the refrigerant outlet of the compressor to be compressed, the refrigerant outlet of the oil separator is connected with the first inlet of the heat regenerator through the first metering piece, and the oil outlet of the oil separator is connected with the second metering piece; the first outlet of the heat regenerator is connected with the condenser, and the second outlet of the heat regenerator is connected with the heater; the outlet of the condenser is sequentially connected with the second inlet of the heat regenerator after passing through the liquid storage device, the subcooler, the filter, the third metering piece and the first valve; the third measuring piece is also connected with the heater through the second valve; the heater is connected with the refrigerant inlet of the compressor to be compressed; the second metering element is connected with the refrigerant inlet of the compressor by the oil cooler and the third valve in sequence. The utility model can realize a combined test scheme based on the gas flow meter method and the liquid flow meter method in GBT5773, reduce test energy consumption and improve test efficiency.
Description
Technical Field
The utility model relates to the field of air conditioners, in particular to a performance test device for a compressor.
Background
The traditional volumetric refrigeration compressor performance experiment table is mainly based on the combination of two principles in the GBT5773 standard, and is respectively:
1. the combined test scheme of the second refrigerant calorimeter method and the liquid flowmeter method has the advantages of high energy consumption and low test efficiency.
2. The combined test scheme of the gas flow meter method and the gas cooler method is energy-saving, but cannot perform the combined test of the compressor and the economizer.
The utility model discloses a performance test system of a condensing heat recovery type refrigeration compressor, which comprises a refrigerant circulation loop and a water circulation loop, wherein the refrigerant circulation loop comprises a water circulation loop and a cooling water circulation loop; in the water circulation loop, an air source water chiller is connected with a heat exchange coil in a calorimeter in parallel and then is respectively connected with two ends of the heat exchange coil of a water-cooling condenser to form two parallel loops, namely: the main energy recovery water flow loop and the bypass energy dissipation water flow loop are used for heating the second refrigerant and dissipating redundant heat to the surrounding environment through the air source chiller. According to the utility model, the calorimeter and the condenser of the compressor test system are connected, part of condensation heat is recovered to be used for heating the second refrigerant, the traditional electric heating is replaced, the running energy consumption of the system can be greatly reduced, and the energy is saved; because the condensation heat is partially recycled, the energy heat needing to be dissipated is reduced, and the energy consumption of the air source water chilling unit can be reduced. The scheme belongs to the first and second refrigerant calorimeter method and the liquid flowmeter method, and has the advantages of high energy consumption and low test efficiency.
The utility model provides a performance test device for an air compressor for a vehicle, which comprises a first two-position three-way valve, a second two-position three-way valve, a third two-position three-way valve, an air inlet filter, an air outlet filter, an air storage barrel, a terminal pressure stabilizing box and a system controller. The utility model can be integrated in the mobile verification equipment of the engine bench, and achieves the purposes of quick pressure stabilization by adopting a manual pre-adjustment load and electric joint adjustment compensation scheme, thereby meeting the reliability detection of alternating working conditions of the air compressor of the engine bench. And an exhaust filter is adopted as a measuring filter, an intake filter is adopted as a background filter, and the air compressor oil discharge detection function is obtained by combining environmental control after operation. The dynamic pressure sensor is arranged on the cylinder head of the air compressor, the rotating speed and the load parameters of the engine test bench are synchronized, and the linear relation between the full load and unloading state indication work and the engine work loss in the operation process is obtained, so that the actual power characteristic of the air compressor is determined. And the air compressor exhaust flow measurement and the air compressor mechanical volume parameter are combined to finish the calculation of indexes such as air-volume specific energy, volumetric efficiency and the like. The scheme belongs to the combined test scheme of the second gas flow meter method and the gas cooler method, and the scheme saves energy, but cannot perform combined test of a compressor and an economizer.
Disclosure of Invention
In the summary section, a series of simplified form concepts are introduced that are all prior art simplifications in the section, which are described in further detail in the detailed description section. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The utility model aims to solve the technical problem of providing a compressor performance test device capable of realizing a combined test scheme based on a gas flowmeter method and a liquid flowmeter method in GBT 5773.
In order to solve the technical problems, the compressor performance test device provided by the utility model comprises:
an oil separator 2, the inlet of which is connected with the refrigerant outlet of the compressor 1 to be compressed, the refrigerant outlet of which is connected with the first inlet of the regenerator 4 through the first metering element 3, and the oil outlet of which is connected with the second metering element 15;
a regenerator 4, a first outlet of which is connected with the condenser 5, and a second outlet of which is connected with the heater 12;
the condenser 5, the outlet of which passes through the liquid storage 6, the subcooler 7, the filter 8, the third measuring piece 9 and the first valve 10 in sequence and then is connected with the second inlet of the heat regenerator 4;
a third metering element 9 which is also connected to a heater 12 via a second valve 11;
a heater 12 connected to the refrigerant inlet of the compressor 1;
a second metering element 15 connected to the refrigerant inlet of the compressor 1 via an oil cooler 16 and a third valve 17.
The first scheme provided by the utility model is based on a combined test scheme of a gas flow meter method and a liquid flow meter method in GBT5773, and can overcome the defects of the existing first scheme, and has the advantages of low energy consumption and high test efficiency.
Optionally, the compressor performance test device is further improved, and further includes:
a fourth metering element 13 connected to the outlet of the third metering element 9;
an economizer 14, the first inlet 14.1 of which is connected to the fourth metering element 13, the second inlet 14.2 of which is connected to the outlet of the third metering element 9, the first outlet 14.3 of which is an external interface, and the second outlet 14.4 of which is connected to the inlet of the first valve 10;
a fourth valve 18 connected between the fourth metering element 13 and the first inlet 14.1 of the economizer 14.
An economizer is a heat exchanger that absorbs heat by throttling, evaporating, and subcools another portion of the refrigerant.
The second scheme provided by the utility model is based on a combined test scheme of a gas flow meter method and a liquid flow meter method in GBT5773, can overcome the defects of the conventional second scheme, and can realize combined test of a compressor and an economizer.
Alternatively, the compressor performance test apparatus is further improved, and the first metering element 3 is a gas flow meter.
Alternatively, the compressor performance test apparatus is further modified, and the second metering member 15 is an oil flow meter.
Alternatively, the compressor performance test apparatus is further improved, and the third metering element 9 is a liquid flow meter.
Alternatively, the compressor performance test apparatus is further improved, and the fourth measuring member 13 is a liquid flow meter.
Alternatively, the compressor performance test apparatus is further modified, and the first valve 10 is an expansion valve.
Alternatively, the compressor performance test apparatus is further improved, and the second valve 11 is an expansion valve.
Alternatively, the compressor performance test apparatus is further improved, and the third valve 17 is an expansion valve.
Alternatively, the compressor performance test apparatus is further modified, and the fourth valve 18 is an expansion valve.
The working principle of the utility model is as follows:
the refrigerant is compressed by a compressor and discharged, firstly enters an oil separator 2, the separated refrigerant which contains almost no oil passes through a gas flowmeter 3 to measure the mass flow (the result of the gas flowmeter method), then enters one side of a regenerator 4 to perform heat exchange partial condensation, then enters a condenser 5 to perform complete condensation, then enters a liquid accumulator 6, a subcooler 7 and a filter 8, enters a liquid flowmeter 9 to measure the mass flow (the result of the liquid flowmeter method), basically reaches the suction pressure to be controlled through a first valve 10, then enters the other side of the regenerator 4 to perform evaporation heat exchange, and finally is mixed with the refrigerant which passes through a second valve 11 and a heater 12 to reach the suction temperature and the suction pressure required by a tested machine. Additionally, the oil circulation rate of the compressor is measured by an oil flow meter 15, and is controlled by a third valve 17 after passing through a cooler 16. When the tested machine needs to be matched with the economizer, part of liquid path refrigerant enters the middle air supplementing port of the tested machine through the liquid flowmeter 13, the fourth valve 18 and the economizer 14.
Through the structural design, the specification of GBT5773 performance test and the automatic requirement of the test can be met by the other parameter measuring points and the switching valves, which are included in the utility model, and the specification is not described one by one.
Drawings
The accompanying drawings are intended to illustrate the general features of methods, structures and/or materials used in accordance with certain exemplary embodiments of the utility model, and supplement the description in this specification. The drawings of the present utility model, however, are schematic illustrations that are not to scale and, thus, may not be able to accurately reflect the precise structural or performance characteristics of any given embodiment, the present utility model should not be construed as limiting or restricting the scope of the numerical values or attributes encompassed by the exemplary embodiments according to the present utility model. The utility model is described in further detail below with reference to the attached drawings and detailed description:
fig. 1 is a schematic structural view of a first embodiment of the present utility model.
Fig. 2 is a schematic structural view of a second embodiment of the present utility model.
Description of the reference numerals
1-compression machine
2-oil separator
3-first metering element
4-heat regenerator
5-condenser
6-reservoir
7-subcooler
8-Filter
9-third measuring part
10-expansion valve
11-expansion valve
12-heater
13-liquid flowmeter
14-economizer
15-second metering element
16-oil cooler
17-expansion valve
18-expansion valve.
Detailed Description
Other advantages and technical effects of the present utility model will become more fully apparent to those skilled in the art from the following disclosure, which is a detailed description of the present utility model given by way of specific examples. The utility model may be practiced or carried out in different embodiments, and details in this description may be applied from different points of view, without departing from the general inventive concept. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. The following exemplary embodiments of the present utility model may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the technical solution of these exemplary embodiments to those skilled in the art. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements throughout the several views.
A first embodiment;
referring to fig. 1, the present utility model provides a compressor performance test apparatus, comprising:
an oil separator 2, the inlet of which is connected with the refrigerant outlet of the compressor 1 to be compressed, the refrigerant outlet of which is connected with the first inlet of the regenerator 4 through the first metering element 3, and the oil outlet of which is connected with the second metering element 15;
a regenerator 4, a first outlet of which is connected with the condenser 5, and a second outlet of which is connected with the heater 12;
the condenser 5, the outlet of which passes through the liquid storage 6, the subcooler 7, the filter 8, the third measuring piece 9 and the first valve 10 in sequence and then is connected with the second inlet of the heat regenerator 4;
a third metering element 9 which is also connected to a heater 12 via a second valve 11;
a heater 12 connected to the refrigerant inlet of the compressor 1;
a second metering element 15 connected to the refrigerant inlet of the compressor 1 via an oil cooler 16 and a third valve 17.
Furthermore, it will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments of the present utility model.
A second embodiment;
referring to fig. 2, the present utility model provides a compressor performance test apparatus, comprising:
an oil separator 2, the inlet of which is connected with the refrigerant outlet of the compressor 1 to be compressed, the refrigerant outlet of which is connected with the first inlet of the regenerator 4 through the first metering element 3, and the oil outlet of which is connected with the second metering element 15;
a regenerator 4, a first outlet of which is connected with the condenser 5, and a second outlet of which is connected with the heater 12;
the condenser 5, the outlet of which passes through the liquid storage 6, the subcooler 7, the filter 8, the third measuring piece 9 and the first valve 10 in sequence and then is connected with the second inlet of the heat regenerator 4;
a third metering element 9 which is also connected to a heater 12 via a second valve 11;
a heater 12 connected to the refrigerant inlet of the compressor 1;
a second metering element 15 connected to a refrigerant inlet of the compressor 1 to be compressed via an oil cooler 16 and a third valve 17 in this order;
a fourth metering element 13 connected to the outlet of the third metering element 9;
an economizer 14, the first inlet 14.1 of which is connected to the fourth metering element 13, the second inlet 14.2 of which is connected to the outlet of the third metering element 9, the first outlet 14.3 of which is an external interface, and the second outlet 14.4 of which is connected to the inlet of the first valve 10;
a fourth valve 18 connected between the fourth metering element 13 and the first inlet 14.1 of the economizer 14.
Wherein the first metering element 3 is a gas flow meter: the second metering element 15 is an oil flow meter, the third metering element 9 is a liquid flow meter, and the fourth metering element 13 is a liquid flow meter.
The first valve 10, the second valve 11, the third valve 17, and the fourth valve 18 in the first embodiment or the second embodiment described above are expansion valves.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The present utility model has been described in detail by way of specific embodiments and examples, but these should not be construed as limiting the utility model. Many variations and modifications may be made by one skilled in the art without departing from the principles of the utility model, which is also considered to be within the scope of the utility model.
Claims (10)
1. A compressor performance test apparatus, comprising:
an inlet of the oil separator (2) is connected with a refrigerant outlet of the compressor (1), a refrigerant outlet of the oil separator is connected with a first inlet of the heat regenerator (4) through a first metering piece (3), and an oil outlet of the oil separator is connected with a second metering piece (15);
the first outlet of the heat regenerator (4) is connected with the condenser (5), and the second outlet of the heat regenerator is connected with the heater (12);
the outlet of the condenser (5) is connected with the second inlet of the heat regenerator (4) after sequentially passing through the liquid storage device (6), the subcooler (7), the filter (8), the third metering piece (9) and the first valve (10);
a third metering element (9) which is also connected to the heater (12) via a second valve (11);
a heater (12) connected to a refrigerant inlet of the compressor (1);
and a second metering element (15) connected to the refrigerant inlet of the compressor (1) via an oil cooler (16) and a third valve (17).
2. The compressor performance test apparatus of claim 1, further comprising:
a fourth metering element (13) connected to the outlet of the third metering element (9);
an economizer (14), the first inlet (14.1) of which is connected with the fourth metering element (13), the second inlet (14.2) of which is connected with the outlet of the third metering element (9), the first outlet (14.3) of which is used as an external interface, and the second outlet (14.4) of which is connected with the inlet of the first valve (10);
a fourth valve (18) connected between the fourth metering element (13) and the first inlet (14.1) of the economizer (14).
3. The compressor performance test apparatus according to claim 1 or 2, wherein: the first metering element (3) is a gas flowmeter.
4. The compressor performance test apparatus according to claim 1 or 2, wherein: the second metering element (15) is an oil flow meter.
5. The compressor performance test apparatus according to claim 1 or 2, wherein: the third metering element (9) is a liquid flow meter.
6. The compressor performance test apparatus according to claim 1 or 2, wherein: the fourth metering element (13) is a liquid flowmeter.
7. The compressor performance test apparatus according to claim 1 or 2, wherein: the first valve (10) is an expansion valve.
8. The compressor performance test apparatus according to claim 1 or 2, wherein: the second valve (11) is an expansion valve.
9. The compressor performance test apparatus according to claim 1 or 2, wherein: the third valve (17) is an expansion valve.
10. The compressor performance test apparatus of claim 2, wherein: the fourth valve (18) is an expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320511174.9U CN219587748U (en) | 2023-03-16 | 2023-03-16 | Compressor performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320511174.9U CN219587748U (en) | 2023-03-16 | 2023-03-16 | Compressor performance test device |
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| Publication Number | Publication Date |
|---|---|
| CN219587748U true CN219587748U (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320511174.9U Active CN219587748U (en) | 2023-03-16 | 2023-03-16 | Compressor performance test device |
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| Country | Link |
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| CN (1) | CN219587748U (en) |
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2023
- 2023-03-16 CN CN202320511174.9U patent/CN219587748U/en active Active
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