CN218512345U - Novel energy-conserving environmental simulation equipment - Google Patents

Novel energy-conserving environmental simulation equipment Download PDF

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Publication number
CN218512345U
CN218512345U CN202222741142.6U CN202222741142U CN218512345U CN 218512345 U CN218512345 U CN 218512345U CN 202222741142 U CN202222741142 U CN 202222741142U CN 218512345 U CN218512345 U CN 218512345U
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electromagnetic valve
evaporator
capillary tube
valve
compressor
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CN202222741142.6U
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刘健
刘锟
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Guangdong Derui Testing Equipment Co ltd
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Guangdong Derui Testing Equipment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The utility model discloses a novel energy-conserving environmental simulation equipment, including compressor, oil separator, condenser, drier-filter, first solenoid valve, electronic expansion valve, first evaporimeter, second solenoid valve, first capillary, second evaporimeter, fourth solenoid valve and evaporating pressure governing valve. The utility model has the advantages of reasonable design, when temperature or humidity change, electronic expansion valve can automatically regulated refrigerating system's pressure, and system pressure's rising or decline can directly influence refrigerating system's refrigerating output to accurate accuse refrigerating output reduces the compressor consumption and reduces heater strip power, reaches energy-conserving effect. Furthermore, the utility model discloses can also realize functions such as steam pressure boost, return air pressure regulation.

Description

Novel energy-conserving environmental simulation equipment
Technical Field
The utility model relates to an environmental simulation equipment technical field, more specifically say, relate to a novel energy-conserving environmental simulation equipment.
Background
The environment simulation equipment is a general name of all test boxes for simulating natural climate environments, and represents products such as constant temperature and humidity test boxes, high and low temperature test boxes, walk-in constant temperature and humidity test rooms, cold and hot impact test boxes, rapid temperature change test boxes, linear temperature change test boxes and the like.
However, the existing environment simulation apparatus has the following disadvantages: the energy-saving effect still needs to be improved, and in the process of temperature or humidity environment simulation, the system pressure can be adjusted only in sections so as to adjust the refrigerating capacity, the system pressure cannot be adjusted in real time according to the temperature or the humidity, and the accurate control of the refrigerating capacity cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a novel energy-conserving environmental simulation equipment, its energy-conserving problem of solving equipment.
In order to achieve the above object, the utility model provides a novel energy-conserving environmental simulation equipment, including compressor, oil separator, condenser, drier-filter, first solenoid valve, electronic expansion valve, first evaporator, second solenoid valve, first capillary, second evaporator, fourth solenoid valve and evaporation pressure governing valve, the high-pressure side of compressor is connected with oil separator's input, oil separator's output is connected with the input of condenser, the output of condenser is connected with drier-filter's input, the one end of first solenoid valve and the one end parallel connection of second solenoid valve are at drier-filter's output, the other end of first solenoid valve is connected with electronic expansion valve's one end, electronic expansion valve's the other end is connected with the input of first evaporator, the other end of second solenoid valve is connected with the one end of first capillary, the other end of first capillary is connected with the input of second evaporator, the one end of fourth solenoid valve is reconnected after the one end parallel connection of evaporation pressure governing valve is at the output of first evaporator and the output of second evaporator, the other end of fourth solenoid valve is reconnected after the other end of compressor is parallelly connected with the low pressure end of evaporation pressure governing valve.
Preferably, the first evaporator is provided as a light pipe type evaporator, and the second evaporator is provided as a fin type evaporator.
Preferably, the device further comprises a fifth solenoid valve and a third capillary tube, one end of the fifth solenoid valve is connected with the output end of the drying filter, the other end of the fifth solenoid valve is connected with one end of the third capillary tube, and the other end of the third capillary tube is connected with the input end of the second evaporator.
Preferably, the equipment further comprises a third electromagnetic valve and a second capillary tube, one end of the third electromagnetic valve is connected to a connecting pipeline between the output end of the oil separator and the input end of the condenser, the other end of the third electromagnetic valve is connected with one end of the second capillary tube, and the other end of the second capillary tube is connected to the input end of the first evaporator.
Preferably, the equipment further comprises a sixth electromagnetic valve and a fourth capillary tube, wherein one end of the sixth electromagnetic valve is connected with the output end of the drying filter, the other end of the sixth electromagnetic valve is connected with one end of the fourth capillary tube, and the other end of the fourth capillary tube is connected to a connecting pipeline between the low-pressure end of the compressor and the other end of the fourth electromagnetic valve.
Preferably, the first capillary has a size of 2.2 × 1700mm, the third capillary has a size of 2.2 × 1400mm, the second capillary has a size of 2.0 × 800mm, and the fourth capillary has a size of 2.0 × 650mm.
Preferably, the compressor is a medium-low temperature fully-closed compressor.
Preferably, a high-voltage switch is connected to a connecting pipeline between the parallel end of the first electromagnetic valve and the second electromagnetic valve and the output end of the drying filter.
Preferably, the oil return end of the oil separator is connected with the oil inlet end of the compressor.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model has the advantages of reasonable design, when temperature or humidity change, electronic expansion valve can automatically regulated refrigerating system's pressure, and system's pressure rises or descends can directly influence refrigerating system's refrigerating output to accurate accuse refrigerating output reduces the compressor consumption and reduces heater strip power, reaches energy-conserving effect.
2. The utility model discloses an evaporating pressure regulating valve can play return air pressure regulatory function, and when the fourth solenoid valve was closed, the evaporating pressure regulating valve can flow through from the refrigerant of evaporimeter evaporation back output, and evaporating pressure regulating valve can reduce the refrigerant circulation speed, improves the internal pressure of evaporimeter, reduces the refrigeration efficiency of evaporimeter to reduce heater strip power, reach energy-conserving effect.
3. The utility model discloses when the fourth solenoid valve is opened, the solenoid valve can be flowed through to the refrigerant after the evaporimeter evaporation, can reduce the internal pressure of evaporimeter, improves the refrigeration efficiency of evaporimeter, reaches energy-conserving effect.
4. The utility model discloses open the back at the third solenoid valve, high temperature gaseous state refrigeration medium can flow in first evaporimeter through the second capillary, improves the evaporating pressure of first evaporimeter, realizes the steam pressure boost, reduces refrigeration efficiency to reduce heater strip power, reach energy-conserving effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel energy-saving environment simulation device provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a novel energy-saving environment simulation device, which includes a compressor 1, an oil separator 2, a condenser 3, a dry filter 4, a first solenoid valve 8, an electronic expansion valve 9, a first evaporator 18, a second solenoid valve 10, a first capillary tube 11, a third solenoid valve 14, a second capillary tube 15, a second evaporator 19, a fourth solenoid valve 16, an evaporation pressure regulating valve 17, and other components, and each component of the embodiment is described in detail with reference to the drawings.
In the present embodiment, the compressor 1 may preferably be a low-temperature hermetic compressor in R404A. Of course, other types of compressors may be used depending on the actual needs.
In the present embodiment, the first evaporator 18 may preferably be provided as a light pipe type evaporator, and the second evaporator 19 may preferably be provided as a fin type evaporator. When the extremely low temperature simulation is carried out, the fin type evaporator is started, so that the refrigeration efficiency can be effectively improved. When temperature and humidity simulation is carried out, the light pipe type evaporator can be started, the control efficiency can be effectively reduced, and the evaporator is prevented from freezing.
When the high-pressure end of the compressor 1 is connected with the input end of the oil separator 2, the output end of the oil separator 2 is connected with the input end of the condenser 3, the output end of the condenser 3 is connected with the input end of the drying filter 4, one end of the first electromagnetic valve 8 and one end of the second electromagnetic valve 10 are connected in parallel at the output end of the drying filter 4, the other end of the first electromagnetic valve 8 is connected with one end of the electronic expansion valve 9, the other end of the electronic expansion valve 9 is connected with the input end of the first evaporator 18, the other end of the second electromagnetic valve 10 is connected with one end of the first capillary tube 11, the other end of the first capillary tube 11 is connected with the input end of the second evaporator 19, one end of the fourth electromagnetic valve 16 is connected in parallel with one end of the evaporation pressure regulating valve 17 and then connected with the output end of the first evaporator 18 and the output end of the second evaporator 19, the other end of the fourth electromagnetic valve 16 is connected with the other end of the evaporation pressure regulating valve 17 and then connected with the low-pressure end of the compressor 1, one end of the third electromagnetic valve 14 is connected with a connecting pipe between the output end of the oil separator 2 and the input end of the condenser 3, the other end of the second capillary tube 15 is connected with the input end of the evaporator 18.
As a further improvement of this embodiment, the apparatus may further include a fifth electromagnetic valve 12 and a third capillary tube 13, one end of the fifth electromagnetic valve 12 is connected to the output end of the dry filter 4, the other end of the fifth electromagnetic valve 12 is connected to one end of the third capillary tube 13, and the other end of the third capillary tube 13 is connected to the input end of the second evaporator 19.
In this embodiment, preferably, the first capillary 11 may be set to be 2.2 × 1700mm in size, and the third capillary 13 may be set to be 2.2 × 1400mm in size. The second capillary 15 may be sized to be 2.0 x 800mm.
The branch composed of the second electromagnetic valve 10 and the first capillary 11 can be opened during the simulation of the extremely low temperature, and is used for deep refrigeration. The other branch formed by the fifth electromagnetic valve 12 and the third capillary 13 can be opened during the simulation of extremely low temperature and humidity, and plays a role in auxiliary refrigeration.
As a further improvement of this embodiment, the apparatus may further include a sixth solenoid valve 6 and a fourth capillary 7, one end of the sixth solenoid valve 6 is connected to the output end of the dry filter 4, the other end of the sixth solenoid valve 6 is connected to one end of the fourth capillary 7, and the other end of the fourth capillary 7 is connected to a connection pipe between the low-pressure end of the compressor 1 and the other end of the fourth solenoid valve 16. Among them, the size of the fourth capillary 7 may be preferably set to be 2.0 × 650mm.
A high-voltage switch 5 can be connected on a connecting pipeline between the parallel connection end of the first electromagnetic valve 8, the second electromagnetic valve 10, the fifth electromagnetic valve 12 and the sixth electromagnetic valve 6 and the output end of the drying filter 4. The high-voltage switch 5 can detect whether the system pressure is too high, and plays a role in protecting the compressor 1.
Furthermore, preferably, the oil return end of the oil separator 2 can be connected with the oil inlet end of the compressor 1. The oil separator 2 separates part of the refrigeration oil in the high-temperature high-pressure gaseous refrigeration medium and can return to the compressor 1, so that damage to the compressor 1 due to oil shortage is prevented.
The working principle of the utility model is as follows:
the high-pressure end of the compressor 1 discharges high-temperature high-pressure gaseous refrigeration medium and flows through the oil separator 2, the oil separator 2 separates part of the refrigeration oil in the high-temperature high-pressure gaseous refrigeration medium, the wall of a loop pipe is effectively reduced to form an oil film, the refrigeration efficiency is improved, the separated refrigeration medium flows through the condenser 3, the condenser 3 cools the high-temperature high-pressure gaseous refrigeration medium discharged by the compressor 1 to become normal-temperature high-pressure liquid refrigeration medium, then the normal-temperature high-pressure liquid refrigeration medium flows through the input end of the drying filter 4, the drying filter 4 effectively adsorbs loop moisture and filters solid impurities, and the pipeline is prevented from being blocked. Subsequently, the normal temperature liquid refrigerant may flow through the first solenoid valve 8, the second solenoid valve 10, the sixth solenoid valve 6, and the fifth solenoid valve 12, respectively.
When the first electromagnetic valve 8 is opened, a normal-temperature liquid refrigeration medium can flow into the first evaporator 18 through the electronic expansion valve 9, when the temperature or the humidity changes, the electronic expansion valve can automatically adjust the pressure of the refrigeration system, and the rising or the falling of the system pressure can directly influence the refrigerating capacity of the refrigeration system, so that the refrigerating capacity can be accurately controlled, the power consumption of the compressor and the power of the heating wire can be reduced, and the energy-saving effect can be achieved. The electronic expansion valve can replace a traditional capillary tube and a mechanical expansion valve which can only be provided with a fixed threshold value.
When the second solenoid valve 10 is opened, the liquid refrigerant at normal temperature may flow into the second evaporator 19 through the first capillary tube 11, and deep refrigeration may be performed. When the fifth electromagnetic valve 12 is opened, the liquid refrigerant at normal temperature flows into the second evaporator 19 through the third capillary tube 13, and cooling can be assisted.
When the third electromagnetic valve 14 is opened, the second capillary tube 15 circulates a high-temperature gaseous refrigeration medium, so that the evaporation pressure of the first evaporator 18 can be increased, the refrigeration efficiency is reduced, the power of the heating wire is reduced, and the energy-saving effect is achieved.
When the fourth electromagnetic valve 16 is closed, the refrigerant passes through the evaporation pressure regulating valve 17 after being evaporated by the first evaporator 18, and when the evaporation pressure regulating valve is set to be increased, the circulation speed of the refrigerant can be reduced, the internal pressure of the evaporator is increased, the refrigeration efficiency of the evaporator is reduced, the power of the heating wire is reduced, and the energy-saving effect is achieved.
When the fourth electromagnetic valve 16 is opened, the refrigerant passes through the fourth electromagnetic valve 16 after being evaporated in the second evaporator 19 or the first evaporator 18, so that the internal pressure of the evaporator can be reduced, the refrigeration efficiency of the evaporator can be improved, and the energy-saving effect can be achieved.
When the sixth electromagnetic valve 6 is opened, the fourth capillary 7 circulates a normal-temperature liquid refrigeration medium, so that the high-temperature phenomenon at the low-pressure end of the compressor 1 is prevented, and the compressor is prevented from being damaged due to overhigh temperature.
In specific implementation, the environmental simulation device can be suitable for various temperature environmental simulation test devices, such as: the device comprises a constant temperature and humidity test chamber, a high and low temperature test chamber, a step-in constant temperature and humidity test room, a cold and hot impact test chamber, a rapid temperature change test chamber, a linear temperature change test chamber and the like.
It should be noted that the connections in the present embodiment are all pipeline connections. Furthermore, the terms "first," "second," "third," "fourth," "fifth," "sixth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance, order, or implied indication of the number of technical features indicated. The features defined as "first", "second", "third", "fourth", "fifth", "sixth" may explicitly or implicitly include one or more features.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a novel energy-conserving environmental simulation equipment which characterized in that: the high-pressure evaporator comprises a compressor (1), an oil separator (2), a condenser (3), a drying filter (4), a first electromagnetic valve (8), an electronic expansion valve (9), a first evaporator (18), a second electromagnetic valve (10), a first capillary tube (11), a second evaporator (19), a fourth electromagnetic valve (16) and an evaporation pressure regulating valve (17), wherein the high-pressure end of the compressor (1) is connected with the input end of the oil separator (2), the output end of the oil separator (2) is connected with the input end of the condenser (3), the output end of the condenser (3) is connected with the input end of the drying filter (4), one end of the first electromagnetic valve (8) and one end of the second electromagnetic valve (10) are connected in parallel at the output end of the drying filter (4), the other end of the first electromagnetic valve (8) is connected with one end of the electronic expansion valve (9), the other end of the electronic expansion valve (9) is connected with the input end of the first evaporator (18), the other end of the second electromagnetic valve (10) is connected with one end of the first capillary tube (11), the other end of the first capillary tube (11) is connected with one end of the second electromagnetic valve (19), and the output end of the evaporator (17) is connected with the output end of the second evaporator (17) And the other end of the fourth electromagnetic valve (16) is connected with the other end of the evaporation pressure regulating valve (17) in parallel and then is connected to the low-pressure end of the compressor (1).
2. The novel energy-saving environment simulation device according to claim 1, wherein: the first evaporator (18) is configured as a light pipe type evaporator and the second evaporator (19) is configured as a fin type evaporator.
3. The novel energy-saving environment simulation device according to claim 1, wherein: the drying device is characterized by further comprising a fifth electromagnetic valve (12) and a third capillary tube (13), wherein one end of the fifth electromagnetic valve (12) is connected with the output end of the drying filter (4), the other end of the fifth electromagnetic valve (12) is connected with one end of the third capillary tube (13), and the other end of the third capillary tube (13) is connected with the input end of a second evaporator (19).
4. The novel energy-saving environment simulation device according to claim 1, wherein: the oil separator is characterized by further comprising a third electromagnetic valve (14) and a second capillary tube (15), one end of the third electromagnetic valve (14) is connected to a connecting pipeline between the output end of the oil separator (2) and the input end of the condenser (3), the other end of the third electromagnetic valve (14) is connected with one end of the second capillary tube (15), and the other end of the second capillary tube (15) is connected to the input end of the first evaporator (18).
5. The novel energy-saving environment simulation device according to claim 1, wherein: the drying and filtering device is characterized by further comprising a sixth electromagnetic valve (6) and a fourth capillary tube (7), wherein one end of the sixth electromagnetic valve (6) is connected with the output end of the drying and filtering device (4), the other end of the sixth electromagnetic valve (6) is connected with one end of the fourth capillary tube (7), and the other end of the fourth capillary tube (7) is connected to a connecting pipeline between the low-pressure end of the compressor (1) and the other end of the fourth electromagnetic valve (16).
6. The novel energy-saving environment simulation device according to claim 1, wherein: the compressor (1) is a medium-low temperature fully-closed compressor.
7. The novel energy-saving environment simulation device according to claim 1, wherein: and a high-voltage switch (5) is connected on a connecting pipeline between the parallel end of the first electromagnetic valve (8) and the second electromagnetic valve (10) and the output end of the drying filter (4).
8. The novel energy-saving environment simulation device according to claim 1, wherein: and the oil return end of the oil separator (2) is connected with the oil inlet end of the compressor (1).
CN202222741142.6U 2022-10-18 2022-10-18 Novel energy-conserving environmental simulation equipment Active CN218512345U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222741142.6U CN218512345U (en) 2022-10-18 2022-10-18 Novel energy-conserving environmental simulation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222741142.6U CN218512345U (en) 2022-10-18 2022-10-18 Novel energy-conserving environmental simulation equipment

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Publication Number Publication Date
CN218512345U true CN218512345U (en) 2023-02-21

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