CN2816874Y - Constant temperature test cabinet - Google Patents
Constant temperature test cabinet Download PDFInfo
- Publication number
- CN2816874Y CN2816874Y CN 200520040116 CN200520040116U CN2816874Y CN 2816874 Y CN2816874 Y CN 2816874Y CN 200520040116 CN200520040116 CN 200520040116 CN 200520040116 U CN200520040116 U CN 200520040116U CN 2816874 Y CN2816874 Y CN 2816874Y
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- fan
- constant temperature
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- test cabinet
- gas
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Abstract
The utility model discloses a constant temperature test cabinet, which is suitable for testing at least one test object under a constant temperature condition. The constant temperature test cabinet comprises a body, a first fan, and a second fan; the body is provided with a heating zone and a test zone which are mutually communicated; the heating zone is provided with a heat source, which is used for providing heat for the constant temperature test cabinet; the first fan is arranged on one side of the test zone, and the first fan forms an air outlet of a first side plate of the body to exhaust gas inside the body; the second fan is arranged on one side of the heating zone, and the second fan forms an air inlet of a second side plate of the body to drain the gas into the body, wherein both the first fan and the second fan comprise fan bodies and hammer-shaped fan guide plates which are arranged on one side face of each of the fan bodies; the fan guide plates cause the gas to evenly flow into the test cabinet, or the fan guide plates cause the gas to evenly flow to be exhausted from the test cabinet; as a consequence, the disturbance of temperature balance inside the test cabinet caused by the uneven flow of the gas can be effectively avoided.
Description
Technical field
The utility model relates to a kind of constant temperature test cabinet, especially relates to a kind of constant temperature test cabinet with balance test cabinet internal temperature.
Background technology
In production reality, constant temperature test cabinet is usually used in some performance test to product.Generally speaking, constant temperature test cabinet is made up of a closed constant temperature cabinet body for carrying product to be tested, the temperature control system that places the intrinsic heating plant of above-mentioned constant temperature cabinet and control this heating plant, control above-mentioned heating plant by the intrinsic temperature of the above-mentioned constant temperature cabinet of the real-time detection of said temperature control system, keep stationary temperature to keep above-mentioned constant temperature cabinet.
As application number is that 087204610 Taiwan patent patent has just disclosed a kind of constant temperature test cabinet.But, this constant temperature test cabinet to cabinet in gas when carrying out temperature balance, influence testing the test of product in the cabinet for being unlikely to produce too violent flow perturbation, adopt natural cooling and heating cross-ventilation principle to make it to test in the cabinet airflow convection and reach temperature equalization, make that the efficient of this test in-cabinet temperature balance is low and need expend the time of growing to reach temperature balance; So be necessary to design a kind of novel constant temperature test cabinet, when satisfying the test request of thing to be tested, also have the temperature efficiency in balanced faster this constant temperature test cabinet guaranteeing too inviolent flow perturbation.
Summary of the invention
For addressing the above problem, the utility model has disclosed a kind of constant temperature test cabinet, the gas flow that this experiment cabinet produces in the time of effectively avoiding temperature balance and to the influence of product test.
Constant temperature test cabinet of the present utility model has adopted following technology to realize: a kind of constant temperature test cabinet, be adapted at least one tester, this constant temperature test cabinet comprises: constant temperature test cabinet body, comprise the heating zone and the test section that are interconnected, and this test section has one at least, and via this usefulness so that tested thing passes in and out this test section; One thermal source is arranged in the above-mentioned heating zone, with thinking that this constant temperature test cabinet provides heat; And at least one first fan, be arranged at above-mentioned test section one side and constitute in the air outlet of first side plate of above-mentioned body, in order to the gas in this main body is discharged; At least one second fan is arranged at above-mentioned heating zone one side and constitutes in the air inlet of second side plate of above-mentioned body, in order to gas is entered in the aforementioned body; Wherein, above-mentioned first, second fan all comprises fan body, be located at this fan body one side and be the fan guide plate of capitate, during this first fan work, gas enters this first fan from the outside of its fan guide plate and is discharged from, and during this second fan work, gas via this fan body after, enter in the aforementioned body from the outside of this fan guide plate; The fan guide plate that is provided with on above-mentioned second fan makes gas along this fan guide plate and to flow in a big way and more uniformly in this test cabinet, in like manner, the fan guide plate that is provided with on above-mentioned first fan makes gas with discharging in this test cabinet of in a big way and evenly flowing, thereby can effectively avoid inhomogeneous the flowing of gas and temperature balance causes disturbance in the cabinet to testing.
Owing to adopted as above technical scheme, when gas is tested the heating zone of cabinet via the capitate fan guide plate of second fan to enter this constant temperature in a big way, the heat that this thermal source is produced reaches balance with the gas flow that this enters, and is unlikely to produce bigger disturbance; When first fan work, the higher gas of temperature enters fan body with the fan guide plate outside from this first fan and is discharged from, thereby avoided this first fan that localized hyperthermia's gas is discharged, and cause that the gas temperature balance causes bigger disturbance in the test section, thereby satisfy the requirement of test products to flow perturbation in the constant temperature test cabinet.
Description of drawings
Fig. 1 is the schematic perspective view of constant temperature test cabinet of the present utility model.
Fig. 2 is the schematic perspective view of the fan in the constant temperature test cabinet of the present utility model.
Fig. 3 is the section simplified schematic diagram of constant temperature test cabinet of the present utility model.
Embodiment
Please refer to shown in Figure 1ly, be the schematic perspective view of constant temperature test cabinet of the present utility model.
Constant temperature test cabinet 1 of the present utility model has a body 10, this body 10 is a closed container, this body 10 has a test section 110 and a heating zone 120, wherein, test section 110 is connected with heating zone 120, and is separated by a ventilative impeller 130 with isolated radiant heat source between the two; And a wherein side of this body 10 is provided with at least one door 140, and object to be tested can be put into above-mentioned test section 110 via this door 140 or be removed from above-mentioned test section 110.
These body 10 1 sides are provided with one first side plate 150, this first side plate 150 is the side plate of above-mentioned test section 110, and this first side plate 150 is provided with at least one air outlet 151, these air outlet 151 places accommodate one first fan 152, via above-mentioned first fan 152 gas in the above-mentioned test section 110 are drained into body 10.
The schematic perspective view of above-mentioned first fan 152 is seen shown in Figure 2, this first fan 152 comprises fan body 1521 and is located at said fans body 1,521 one sides and is the fan guide plate 1522 of capitate, 1522 on this fan guide plate is located at exhausting one side of said fans body 1521, when making these first fan, 152 work, gas enters said fans body 1521 from the outside of said fans guide plate 1522 and discharges, have the gas flow in the above-mentioned test section 110 of better balance, prevent the effect of the excessive disturbance of gas in this test section 110.
Simultaneously, wherein one second side plate 160 of forming the body 10 of above-mentioned constant temperature test cabinet 1, this second side plate 160 is the wherein side plate of heating zone 120, this second side plate 160 is provided with at least one air inlet 161, and be contained in this air inlet 161 and for making above-mentioned constant temperature test cabinet 1 outer gas enter second fan 162 of this heating zone 120, see also shown in Figure 3, and the structure of this second fan 162 also is similar to above-mentioned first fan 152, comprises fan body 1621 and is located at the air-out side of fan body 1621 and is the fan guide plate 1622 of capitate.
Be provided with a thermal source (not illustrating among the figure) in the above-mentioned heating zone 120, when this thermal source work, for this constant temperature test cabinet 1 provides heat; And be arranged at a control system (not illustrating among the figure) in the main body 10 of this constant temperature test cabinet 1, this control system has the temperature that detects in this main body 10, and can compare with the preferred temperature of predefined this constant temperature test cabinet 1 according to real-time detected temperature, control above-mentioned thermal source and control On/Off above-mentioned first, second fan 152 and 162: the temperature value in this control system detects main body 10 is less than the preferred temperature value, then control makes above-mentioned thermal source work, and open above-mentioned second fan 162 simultaneously, make the gas that enters via this second fan 162, the heat that above-mentioned thermal source is produced obtains equilibrium in main body 10, can avoid that the local gas heats near thermals source too much produce bigger gas flow in the main body 10, thereby avoid local bigger gas flow and harmful effect that the disturbance that produces produces product test; Temperature value in this control system detects main body 10 is greater than the preferred temperature value, then control quits work above-mentioned thermal source, and open above-mentioned first fan 152 simultaneously, make the gas that has heat in the main body 10 discharge aforementioned body 10 via above-mentioned first fan 152; Temperature value in this control system detects main body 10 equals preferred temperature value (or in the specification error scope that allows), then control quits work above-mentioned thermal source, and control simultaneously quits work above-mentioned first, second fan 152 and 162 and stops to discharge and entering gas, to keep the temperature constant in the aforementioned body 10.
In the utility model, above-mentioned first fan 152 that is used to discharge gas is preferably disposed on the two relative positions that are beneficial to gas flow in the aforementioned body 10 with above-mentioned second fan 162 that is used to enter gas.
And the ventilative impeller 130 with isolated radiant heat source between above-mentioned test section 110 and the above-mentioned heating zone 120, make heat that the thermals source in the above-mentioned heating zone 120 produce can direct radiation to the product to be tested that is positioned at above-mentioned test section 110, avoided heat radiation to treat the injury that test products causes.
In the utility model, because above-mentioned first, second fan 152 and 162 has all adopted similar structure, promptly be provided with a fan guide plate that is capitate in a side of a fan body, the fan guide plate of this capitate can effectively change the flow direction that enters or send gas, avoid local gas in the aforementioned body 10 to flow excessive and thermal perturbation that cause influences the test of product, such as: when second fan 162 is worked, gas enters from the outside of the fan guide plate 1622 of this second fan 162, the fan guide plate 1622 of this capitate has changed the flow direction of gas, make gas enter this main body 10 with bigger scope, thereby can avoid local air flow to flow excessive and thermal perturbation that cause is excessive, influence the test of product; When discharging gas when 152 work of first fan, gas also is to enter these first fan, 152 backs from the outside of the fan guide plate 1522 of this first fan 152 in a big way and to be discharged from, in like manner, this fan guide plate 1522 that is capitate has avoided the gas part in the main body 10 to be discharged from big speed, thereby can effectively avoid discharging high-temperature gas the time, gas flow and the thermal perturbation that produces be to the influence of product test.
Claims (3)
1. a constant temperature test cabinet is adapted at least one tester, it is characterized in that this constant temperature test cabinet comprises:
One constant temperature test cabinet body comprises the heating zone and the test section that are interconnected, and wherein the test section has one at least;
One thermal source is arranged in the above-mentioned heating zone; And
At least one first fan is arranged at above-mentioned test section one side and constitutes in the air outlet of first side plate of above-mentioned body;
At least one second fan is arranged at above-mentioned heating zone one side and constitutes in the air inlet of second side plate of above-mentioned body;
Wherein, above-mentioned first, second fan all comprises fan body, is located at this fan body one side and is the fan guide plate of capitate.
2. constant temperature according to claim 1 test cabinet is characterized in that, is provided with a ventilative impeller with isolated thermal source radiation between above-mentioned heating zone and the above-mentioned test section.
3. constant temperature test cabinet according to claim 1 is characterized in that, also comprises a control system in the aforementioned body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040116 CN2816874Y (en) | 2005-03-15 | 2005-03-15 | Constant temperature test cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040116 CN2816874Y (en) | 2005-03-15 | 2005-03-15 | Constant temperature test cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2816874Y true CN2816874Y (en) | 2006-09-13 |
Family
ID=36996685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040116 Expired - Fee Related CN2816874Y (en) | 2005-03-15 | 2005-03-15 | Constant temperature test cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2816874Y (en) |
-
2005
- 2005-03-15 CN CN 200520040116 patent/CN2816874Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |