CN207051134U - A kind of thermal shock test chamber for shortening thermal recovery time - Google Patents
A kind of thermal shock test chamber for shortening thermal recovery time Download PDFInfo
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- CN207051134U CN207051134U CN201720957346.XU CN201720957346U CN207051134U CN 207051134 U CN207051134 U CN 207051134U CN 201720957346 U CN201720957346 U CN 201720957346U CN 207051134 U CN207051134 U CN 207051134U
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Abstract
The utility model discloses a kind of thermal shock test chamber for shortening thermal recovery time.The thermal shock test chamber for shortening thermal recovery time includes compressor；The compressor is connected to evaporator by pipeline；The branch road of evaporator one is connected to expansion valve and the first magnetic valve by pipeline, and another branch road is connected to moment refrigerating capillary and second solenoid valve by pipeline；First magnetic valve and second solenoid valve are connected to condenser after converging by pipeline；The condenser is connected to compressor by pipeline.The utility model is according to the refrigerating capacity of system, with energy-storage travelling wave tube as small as possible and moment refrigerating capillary, form moment refrigerating circuit, pass through PID controller after temperature recovery, the first magnetic valve breaking moment refrigerating circuit is controlled, makes full use of the refrigeration work consumption of refrigeration system, shortens thermal recovery time, change the defects of thermal recovery time is longer in thermal shock test chamber in the prior art, the temperature for improving the thermal shock test chamber recovers efficiency.
Description
Technical field
Environmental test technical field is the utility model is related to, can shorten thermal recovery time more specifically to one kind
Thermal shock test chamber.
Background technology
It is a kind of closed box that can provide two kinds of temperature environments of high temperature and low temperature to cool down impact test case, is typically used as
Test the heat resistance of various materials or product under condition of different temperatures.In thermal shock test chamber, its high-temperature region and low
The maintenance of warm area environment keeps work to be even more important.Thermal shock test chamber in general control method is by energy-storage travelling wave tube (one
As from the larger material of thermal capacity, such as aluminium alloy, ceramics etc.) first lay in enough energy (heat or cold), pass through machinery
The mode of transmission, it will be moved back and forth by test specimen in high-temperature region and low-temperature space, to reach the purpose for the impact that colds and heat succeed each other.Especially
It is before being impacted from high-temperature region to low-temperature space, it is necessary to the regular hour can just make low-temperature space lay in enough cold, if use
Energy-storage travelling wave tube is larger, and required energy storage time will be very long；But some experiments only keep the time of 15 minutes or shorter in high temperature, do not have
There is time enough energy storage.The thermal capacity of energy-storage travelling wave tube can not possibly be increased infinitely, and it is shorter otherwise can not to carry out high temperature hold time
Experiment, its refrigeration control system is as shown in Figure 1.
Utility model content
In view of this, the utility model provides a kind of thermal shock test chamber for shortening thermal recovery time, solves
The defects of thermal recovery time is longer in thermal shock test chamber in the prior art.
To achieve the above object, the utility model provides following technical scheme：
A kind of thermal shock test chamber for shortening thermal recovery time, it is characterised in that：It is described to shorten temperature recovery
The thermal shock test chamber of time includes compressor, condenser, evaporator, expansion valve, the first magnetic valve, moment refrigeration capillary
Pipe, second solenoid valve, pipeline and PID controller；Wherein, the port of export of the compressor is connected to described by the pipeline
The entrance point of evaporator；One branch road of the evaporator outlet end is connected to one end of the expansion valve by the pipeline；Institute
The other end for stating expansion valve is connected to one end of first magnetic valve；The other end of first magnetic valve is connected to described cold
The entrance point of condenser；Another branch road of the evaporator outlet end is connected to the moment refrigerating capillary by the pipeline
One end；The other end of the moment refrigerating capillary is connected to one end of the second solenoid valve；The second solenoid valve it is another
One end connects the entrance point of the condenser by the pipeline；The port of export of the condenser is connected to institute by the pipeline
State the entrance point of compressor；The control terminal of first magnetic valve and the second solenoid valve is electrically connected with the PID controls
Device processed.
As the further explanation to the thermal shock test chamber described in the utility model for shortening thermal recovery time,
Preferably, the pipeline includes copper pipe pipeline or metallic conduit.
It can be seen from the above technical scheme that the thermal shock described in the utility model for shortening thermal recovery time
Chamber is simple in construction, according to the refrigerating capacity of system, use energy-storage travelling wave tube as small as possible and moment refrigerating capillary, forms wink
Between refrigerating circuit, after temperature is recovered, the thermal shock test chamber pass through PID controller, control the first magnetic valve breaking moment
Refrigerating circuit, so as to make full use of the refrigeration work consumption of refrigeration system, shorten thermal recovery time, change cold and hot punching in the prior art
The defects of thermal recovery time is longer in chamber is hit, the temperature for improving the thermal shock test chamber recovers efficiency.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the thermal shock test chamber provided in prior art.
Fig. 2 is the structure for the thermal shock test chamber for shortening short thermal recovery time that the utility model embodiment provides
Schematic diagram.
Accompanying drawing identifier declaration：
10- compressors；20- condensers；30- evaporators；40- expansion valves；The magnetic valves of 50- first；60- moments freeze capillary
Pipe；70- second solenoid valves；80- pipelines.
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing described in description of the prior art is briefly described, it is therefore apparent that the accompanying drawing in description below is only this reality
With some new embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Embodiment
The utility model embodiment provides a kind of thermal shock test chamber for shortening thermal recovery time.
A kind of as shown in Fig. 2 thermal shock examination for shortening thermal recovery time that the utility model embodiment is provided
Tryoff；A kind of thermal shock test chamber for shortening thermal recovery time, it is characterised in that：It is described to shorten thermal recovery time
Thermal shock test chamber include compressor 10, condenser 20, evaporator 30, expansion valve 40, the first magnetic valve 50, moment system
Cold capillary 60, second solenoid valve 70, pipeline 80 and PID controller (not marked in figure)；Wherein, the compressor 10 goes out
Mouth end is connected to the entrance point of the evaporator 30 by the pipeline 80；One branch road of the port of export of evaporator 30 passes through institute
State one end that pipeline 80 is connected to the expansion valve 40；The other end of the expansion valve 40 is connected to first magnetic valve 50
One end；The other end of first magnetic valve 50 is connected to the entrance point of the condenser 20；The port of export of evaporator 30
Another branch road is connected to one end of the moment refrigerating capillary 60 by the pipeline 80；The moment refrigerating capillary 60
The other end is connected to one end of the second solenoid valve 70；The other end of the second solenoid valve 70 is connected by the pipeline 80
The entrance point of the condenser 20；The port of export of the condenser 20 is connected to entering for the compressor 10 by the pipeline 80
Mouth end；The control terminal of first magnetic valve 50 and the second solenoid valve 70 is electrically connected with the PID controller；The pipe
Road 80 includes copper pipe pipeline or metallic conduit.
It can be seen from the above technical scheme that shorten the cold of thermal recovery time described in the utility model embodiment
Shermal shock test chamber is simple in construction, and according to the refrigerating capacity of system, in original refrigeration system, newly increasing one can pass through
The moment refrigerating circuit of the control loop break-make of second solenoid valve 70；Moment refrigerator pipes 60 are served as with energy-storage travelling wave tube as small as possible,
And moment refrigerator pipes 60 and the series connection of second solenoid valve 70 will form moment refrigerating circuit；After temperature is recovered, thermal shock examination
Tryoff controls second solenoid valve 70 breaking moment refrigerating circuit, so as to make full use of the refrigeration of refrigeration system by PID controller
Power so that low-temperature space can lay in enough colds, shorten thermal recovery time, change cold shock testing in the prior art
The defects of thermal recovery time is longer in case, the temperature for improving the thermal shock test chamber recover efficiency.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, identical similar portion cross-reference between each embodiment.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (2)
- A kind of 1. thermal shock test chamber for shortening thermal recovery time, it is characterised in that：It is described shorten temperature recover when Between thermal shock test chamber include compressor, condenser, evaporator, expansion valve, the first magnetic valve, moment refrigeration capillary Pipe, second solenoid valve, pipeline and PID controller；Wherein, the port of export of the compressor is connected to described by the pipeline The entrance point of evaporator；One branch road of the evaporator outlet end is connected to one end of the expansion valve by the pipeline；Institute The other end for stating expansion valve is connected to one end of first magnetic valve；The other end of first magnetic valve is connected to described cold The entrance point of condenser；Another branch road of the evaporator outlet end is connected to the moment refrigerating capillary by the pipeline One end；The other end of the moment refrigerating capillary is connected to one end of the second solenoid valve；The second solenoid valve it is another One end connects the entrance point of the condenser by the pipeline；The port of export of the condenser is connected to institute by the pipeline State the entrance point of compressor；The control terminal of first magnetic valve and the second solenoid valve is electrically connected with the PID controls Device processed.
- 2. the thermal shock test chamber according to claim 1 for shortening thermal recovery time, it is characterised in that：The pipe Road includes copper pipe pipeline or metallic conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720957346.XU CN207051134U (en) | 2017-08-02 | 2017-08-02 | A kind of thermal shock test chamber for shortening thermal recovery time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720957346.XU CN207051134U (en) | 2017-08-02 | 2017-08-02 | A kind of thermal shock test chamber for shortening thermal recovery time |
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| Publication Number | Publication Date |
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| CN207051134U true CN207051134U (en) | 2018-02-27 |
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| CN201720957346.XU Active CN207051134U (en) | 2017-08-02 | 2017-08-02 | A kind of thermal shock test chamber for shortening thermal recovery time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146398A (en) * | 2019-06-13 | 2019-08-20 | 深圳市泰祺科技有限公司 | A kind of cold-hot impact tester |
-
2017
- 2017-08-02 CN CN201720957346.XU patent/CN207051134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146398A (en) * | 2019-06-13 | 2019-08-20 | 深圳市泰祺科技有限公司 | A kind of cold-hot impact tester |
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