CN217527520U

CN217527520U - Energy-saving environmental test box

Info

Publication number: CN217527520U
Application number: CN202123289530.7U
Authority: CN
Inventors: 陈晓龙
Original assignee: Shanghai On Device Group Test Equipment Co ltd
Current assignee: Shanghai On Device Group Test Equipment Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-10-04
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses an energy-saving environmental test chamber, which comprises a hot gas bypass passage, wherein the hot gas bypass passage is a refrigerating pipeline connected between the exhaust end of a system compressor and the suction end of a refrigerating system, and the refrigerating pipeline is controlled by a hot gas bypass valve; the hot gas bypass valve is controlled according to the value of a temperature sensor arranged in the temperature field. By adding hot gas bypass, when the temperature in the thermal field is reduced to a set value, a hot gas bypass passage is opened, and cold output is accurately controlled; the power consumption of the equipment is effectively reduced.

Description

Energy-saving environmental test box

Technical Field

The utility model belongs to product testing device field, concretely relates to energy-conserving environmental test case.

Background

The energy-saving environmental test box is different from a cold-heat balance constant temperature mode, achieves the effect of temperature control through the accurate output of the refrigerating capacity of the compressor, can obviously improve the efficiency of a refrigerating system, and saves energy and reduces consumption. The method is widely applied to various environmental test fields such as military enterprises, scientific research institutions, quality inspection industries, electronic industries, automobile industries and the like.

In order to maintain the constant temperature effect, all devices of the test box need to work coordinately, a compressor and a condenser need to be in a load working state at any time, the temperature control during refrigeration needs to output heating balance, and stepless regulation of refrigeration output cannot be realized; therefore, on the premise of realizing constant temperature, the energy consumption is high, and the refrigeration efficiency is low.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the energy-saving environmental test chamber solves the problems of high consumption and low refrigeration efficiency of the environmental test chamber in the prior art.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

an energy-saving environmental test chamber comprises a hot gas bypass passage, wherein the hot gas bypass passage is a refrigerating pipeline connected between the exhaust end of a system compressor and the suction end of a refrigerating system, and the refrigerating pipeline is controlled by a hot gas bypass valve; the hot gas bypass valve is controlled according to the value of a temperature sensor arranged in the temperature field.

The energy-saving environment test box comprises a box body part and a refrigerating part; the box body part comprises a temperature field, a gate and a control unit, and the refrigeration part comprises a compressor, a condenser and an evaporator; the control unit comprises a circulating motor, an impeller and a heater, and the compressor, the condenser and the evaporator are sequentially connected; the two ends of the compressor are connected with a refrigerating pipeline with a hot gas bypass valve.

And a temperature sensor is arranged in the temperature field to acquire the temperature in the temperature field.

The temperature sensor is connected with the control unit.

And a throttle valve is arranged between the evaporator and the condenser.

The control unit is arranged on a gate of the box body.

And a three-color alarm lamp is arranged above the box body.

The control unit comprises a touch display screen.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. by increasing the hot gas bypass, when the temperature in the temperature field is reduced to a set value, a hot gas bypass passage is opened, and the cold output is accurately controlled.

2. The power consumption of the equipment is effectively reduced.

3. The hot gas bypass passage is added, the structure and the control are simple, the traditional test box can be improved, the cost is saved, and the service life of the equipment is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the energy-saving environmental test chamber of the present invention.

Wherein the labels in the figure are: 1-a circulating motor; 2-an impeller; 3-a heater; 4-an evaporator; 5-three-color alarm lamp; 6-a gate; 7-temperature field; 8-a compressor; 9-hot gas bypass valve; 10-a condenser; 11-throttle valve.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The hot gas bypass technology is characterized in that a refrigerating pipeline is introduced into the exhaust end of a system compressor and connected to the suction end of a refrigerating system, namely hot gas bypass, and whether the pipeline is used or not is controlled by controlling an electromagnetic valve on the refrigerating pipeline. When the temperature in the temperature field is reduced to a set value, the refrigeration power provided by the refrigeration system only needs to maintain the constant temperature of the temperature field at the moment, the consideration of temperature reduction does not need to be considered, and at the moment, hot gas bypass is opened to enable the compressor to realize no-load operation. The power consumption can be effectively reduced, and the accurate control of the cold output is realized.

In a specific embodiment, as shown in figure 1,

an energy-saving environmental test chamber comprises a chamber body part and a refrigerating part; the box body part comprises a temperature field 7, a gate 6 and a control unit, and the refrigeration part comprises a compressor 8, a condenser 10 and an evaporator 4; the control unit comprises a circulating motor 1, an impeller 2 and a heater 3, and a compressor 8, a condenser 10 and an evaporator 4 are sequentially connected; the two ends of the compressor 8 are connected with a hot gas bypass passage, the hot gas bypass passage is provided with a refrigeration pipeline of a hot gas bypass valve 9, one end of the refrigeration pipeline is connected with the exhaust end of the system compressor, the other end of the refrigeration pipeline is connected with the suction end of the refrigeration system, and the refrigeration pipeline is controlled by the hot gas bypass valve; the hot gas bypass valve is controlled according to the value of a temperature sensor arranged in the temperature field.

The temperature sensor is connected with the control unit, detects temperature information in the temperature field, transmits the temperature information to the control unit, and then the control unit sends out control signals to corresponding equipment according to the temperature.

A throttle valve 11 is arranged between the evaporator and the condenser.

The control unit is arranged on a gate of the box body.

And a three-color alarm lamp 5 is arranged above the box body.

The control unit comprises a touch display screen, and working parameters and workflow parameters of all equipment in the box body are set through the touch display screen.

The working principle and the working process of the energy-saving environmental test box are as follows:

the method comprises the steps of starting a power supply of an environment test box, setting working parameters and a process flow program through a touch display screen on a door according to test requirements of a test product after initialization is finished, starting the test program, entering a test link, detecting the temperature in a temperature field by a temperature sensor in the temperature field, sending the temperature to a control unit in real time, processing and judging received temperature information by the control unit, starting a hot air bypass valve when the temperature is lower than a preset temperature, enabling hot air to enter from the channel, keeping the constant temperature of the temperature field only by refrigeration power provided by a refrigeration system at the moment, not considering the energy of cooling, and enabling the compressor to realize no-load operation. When the temperature is higher than the preset upper temperature limit, the hot gas bypass valves are closed, so that the compressor enters a load working state, the power consumption can be effectively reduced, and the accurate control of cold output is realized.

When any one equipment breaks down, fault alarm information is sent to the control unit, and the control unit sends out three-color alarm signals according to the fault type and lights corresponding three-color alarm lamps.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An energy-conserving environmental test case which characterized in that: the system comprises a hot gas bypass passage, wherein the hot gas bypass passage is a refrigerating pipeline connected between the exhaust end of a system compressor and the suction end of a refrigerating system, and the refrigerating pipeline is controlled by a hot gas bypass valve; the hot gas bypass valve is controlled according to the value of a temperature sensor arranged in the temperature field.

2. The energy saving environmental test chamber according to claim 1, wherein: the energy-saving environment test box comprises a box body part and a refrigerating part; the box body part comprises a temperature field, a gate and a control unit, and the refrigeration part comprises a compressor, a condenser and an evaporator; the control unit comprises a circulating motor, an impeller and a heater, and the compressor, the condenser and the evaporator are sequentially connected; the two ends of the compressor are connected with a refrigerating pipeline with a hot gas bypass valve.

3. The energy saving environmental test chamber according to claim 2, wherein: and a temperature sensor is arranged in the temperature field to acquire the temperature in the temperature field.

4. The energy saving environmental test chamber according to claim 2, wherein: the temperature sensor is connected with the control unit.

5. The energy saving environmental test chamber according to claim 2, wherein: and a throttle valve is arranged between the evaporator and the condenser.

6. The energy saving environmental test chamber according to claim 2, wherein: the control unit is arranged on a gate of the box body.

7. The energy saving environmental test chamber according to claim 2, wherein: and a three-color alarm lamp is arranged above the box body.

8. The energy saving environmental test chamber according to any one of claims 2 to 7, wherein: the control unit comprises a touch display screen.