CN101667055A - Radiator detection method - Google Patents

Abstract

The invention discloses a radiator detection method, which is used for detecting the radiating efficiency of a radiator and comprises the following steps: generating fluid with a fluid device, whereinthe fluid has a first temperature and flows through the radiator; adjusting an input power of a heating unit, transmitting heat energy generated by the heating unit to the radiator along with the adjustment of the input power, and generating heat energy with a second temperature between the radiator and the heating unit; and stopping the input power adjusted by the heating unit according to a preset upper limit value which the second temperature of the heat energy reaches and judging whether the radiating efficiency of the radiator is good according to the input power of the heating unit.

Description

Radiator detection method

Technical field

The present invention relates to radiator detection method, particularly a kind of detection method in order to the heat dissipation that measures heating radiator.

Background technology

Electronics and IT products (for example: popularize day by day and use more extensive by use computing machine etc.), because it is rapid that demand drives the electronics and information industry technical development, arithmetic speed promotes, the trend development of access capability increase towards carrying out to impel electronic information, causes the spare part in the aforementioned electronic information products to supervene high heat often in working at high speed.

With the main frame is example, the heat that its central interior processing unit (CPU) is produced accounts for major part, in addition, CPU (central processing unit) when heat gradually rising can cause and carry out usefulness and reduce, and when accumulation of heat is higher than its tolerance range, will force computer down, severe patient more may cause the damage phenomenon; And for solving the problem of electromagenetic wave radiation, system seals this main frame with the cabinet housing usually, so that how the heat energy of CPU (central processing unit) and other heating spare part (or claiming assembly) is derived fast, becomes an important topic.

The heating radiator that one auxiliary heat dissipation is set on heat-generating units in the existing electronic equipment usually assists heat-generating units to dispel the heat, but heating radiator needs to detect at heat dissipation in production run, by excellent or bad with the heat dissipation of judging aforementioned heating radiator of the detection of aforementioned heat dissipation, in known technology heating radiator being carried out the heat dissipation detection mainly is located at radiator stand on the aforementioned heat-generating units, and establish a radiator fan in one of aforementioned heating radiator bogie side frame, and aforementioned heating radiator is imported the heat radiation fluid dispel the heat, first temperature that before aforementioned sink flows body enters aforementioned heating radiator, has normal temperature, after aforementioned heat radiation fluid passed through aforementioned heating radiator, one second temperature is taken away and produced to the heat that is about on the aforementioned heating radiator, other is the person, when aforementioned heat-generating units power input, will produce heat energy, and the thermal energy transfer of aforementioned heat-generating units is given the heating radiator that is arranged on the aforementioned heat-generating units, and between aforementioned heat-generating units and aforementioned heating radiator, produce one the 3rd temperature simultaneously, excellent or the bad method of heat dissipation of judging heating radiator in known technology is high or low as judging to judge the thermal resistance value between heating radiator, thermal resistance value is the temperature variation (the 3rd temperature-first temperature) of heating radiator and the heat energy ratio between two value of the power generation of heat-generating units input, so the known heat energy that will control the heating power order generation of aforementioned heat-generating units is definite value, and it is excellent or bad by the heat dissipation of just judging aforementioned heating radiator of the 3rd temperature that produces between aforementioned heating radiator and aforementioned heat-generating units, but can be very little and easy because of influenced by aforementioned radiator fan air intake or other reasons because of aforementioned the 3rd temperature and aforementioned first temperature change difference between the two, cause first temperature change indefinite, make aforementioned change temperature also unstable, so be difficult for the quality of the heat dissipation of judgement heating radiator.

Summary of the invention

The present invention's purpose is, provides a kind of and can finely tune parameter at any time, and anti-external interference ability is strong, and usefulness is judged the detection method of the heat dissipation quality that detects heating radiator accurately.

For reaching above-mentioned purpose, the present invention system provides a kind of radiator detection method, is that described method comprises in order to the heat dissipation of measurement heating radiator:

Utilize at least one fluid means to produce fluid, aforesaid fluid has first temperature and passes through a heating radiator;

Adjust the power input of a heat-generating units, and the adjustment that is accompanied by aforementioned power input makes aforementioned heat-generating units produce thermal energy transfer to give aforementioned heating radiator, and between aforementioned heating radiator and heat-generating units, produce a heat energy with second temperature;

The power input of aforementioned heat-generating units adjustment then arrives a preset upper limit value according to second temperature of aforementioned heat energy and stops, and is judged the heat dissipation of aforementioned heating radiator by aforementioned heat-generating units power input.

Described radiator detection method, second temperature of its aforementioned heat energy produces according to the power adjustment of aforementioned heat-generating units.

Described radiator detection method, the ratio in its aforementioned radiator detection method between second temperature and aforementioned heat-generating units output power is thermal resistance value, and this thermal resistance value computing formula is:

$\mathrm{Rca}=\frac{\mathrm{\ΔT}}{\mathrm{Qin}}$

Wherein Δ T equals (Tc-Tin), and Tc is this second temperature value and temperature value with a upper limit, and Tin is this first temperature value, and Rca is this thermal resistance value, and Qin is this heat-generating units output power.

Described radiator detection method, its aforementioned heat-generating units output power can adjust with aforementioned Tin first variable that temperature value produces.

The present invention compared with prior art has following advantage:

1. usefulness is judged comparatively accurate;

2. be difficult for judging because of external factor changes influence;

3. can finely tune parameter at any time.

Description of drawings

Fig. 1 is the embodiment calcspar of the present invention's radiator detection method;

Fig. 2 is the structural representation of the present invention's radiator detection method.

Accompanying drawing primary clustering symbol description:

Heating radiator 2, fan 3, heat-generating units 4, the first temperature T in, power input Qin, the second temperature T c, thermal resistance value Rca.

Embodiment

Characteristic on the present invention's above-mentioned purpose and structure thereof and the function will be illustrated according to appended graphic preferred embodiment.

See also Fig. 1, Fig. 2, the present invention's radiator detection method system includes as shown in the figure:

Utilize at least one fluid means to produce fluid, aforesaid fluid has first temperature and passes through a heating radiator 11;

System sees through and establishes a fan 3 in heating radiator 2 one bogie side frames of a heat dissipation to be detected, aforementioned fan 3 is moving through aforementioned heating radiator 2 with bootable heat-sink fluid flow, and aforementioned heating radiator 2 dispelled the heat, and aforementioned sink flows system to have one first temperature T in generally be normal temperature.

Adjust the power input of a heat-generating units, and the adjustment that is accompanied by aforementioned power input makes aforementioned heat-generating units produce thermal energy transfer to give aforementioned heating radiator, and between aforementioned heating radiator and heat-generating units, produce a heat energy 12 with second temperature;

Aforementioned heating radiator 2 is to be set up in a heat-generating units 4 tops, and when adjusting the power input Qin of aforementioned heat-generating units 4, aforementioned heat-sink unit 4 will produce heat energy, and aforementioned heat energy is passed to aforementioned heating radiator 2, and aforementioned heat-generating units 4 and 2 in aforementioned heating radiator will produce one second temperature T c simultaneously.

The power input of aforementioned heat-generating units adjustment then arrives a preset upper limit value according to second temperature of aforementioned heat energy and stops, and is judged the heat dissipation 13 of aforementioned heating radiator by aforementioned heat-generating units power input;

When carrying out the detection of aforementioned heating radiator 2 heat dissipations, system adjusts the power input Qin of aforementioned heat-generating units 4, make the aforementioned heat-generating units 4 heat energy temperature that produces rise by adjusting aforementioned power input Qin simultaneously, and the aforementioned second temperature T c is risen, because of the present invention is provided with a preset upper limit value with the aforementioned second temperature T c, so on aforementioned second temperature T c arrival is preset, prescribe a time limit, promptly stop to adjust the power input Qin of aforementioned heat-generating units 4 immediately, and differentiate the quality of the heat dissipation of aforementioned heating radiator 2 by the power input Qin of aforementioned heat-generating units 4.

Ratio in the aforementioned radiator detection method between the second temperature T c and aforementioned heat-generating units 4 output power Qin is thermal resistance value Rca, and this thermal resistance value Rca computing formula is:

$\mathrm{Rca}=\frac{\mathrm{\ΔT}}{\mathrm{Qin}}$

Wherein Δ T equals (Tc-Tin), and Tc is this second temperature value and has a higher limit, and Tin generally is a normal temperature for this first temperature value, and Rca is this thermal resistance value, and Qin is this heat-generating units output power.

Aforementioned heat-generating units 4 output power Qin can adjust with aforementioned Tin first variable that temperature value produces.

The present invention's radiator detection method is to be that Tc is provided with a preset upper limit value with aforementioned second temperature, and be that the heat energy of Qin generation orders about the aforementioned second temperature T c and rises to the input that stops aforementioned power input Qin on default behind the limit value by the power input of aforementioned heat-generating units 4, and differentiate the heat dissipation of aforementioned heating radiator 2 by aforementioned power input Qin, be that the high more then heat dissipation of aforementioned power input Qin value is promptly good more, on the contrary then poor more.

Need Chen Mingzhe, the above is only for the preferred embodiment of this case, be not in order to restriction the present invention, if the change of doing according to the present invention's conception, in not breaking away from the present invention's spiritual scope, for example: for the in addition conversion of configuration or layout kenel, for various variations, modify and use, the equivalent action that produces all should be contained in the interest field of this case.

Claims (4)

1. a radiator detection method is in order to the heat dissipation of measurement heating radiator, it is characterized in that described method comprises:

Utilize at least one fluid means to produce fluid, aforesaid fluid has first temperature and passes through a heating radiator;

Adjust the power input of a heat-generating units, and the adjustment that is accompanied by aforementioned power input makes aforementioned heat-generating units produce thermal energy transfer to give aforementioned heating radiator, and between aforementioned heating radiator and heat-generating units, produce a heat energy with second temperature;

The power input of aforementioned heat-generating units adjustment then arrives a preset upper limit value according to second temperature of aforementioned heat energy and stops, and is judged the heat dissipation of aforementioned heating radiator by aforementioned heat-generating units power input.

2. radiator detection method according to claim 1 is characterized in that the power adjustment generation of second temperature of aforementioned heat energy according to aforementioned heat-generating units.

3. radiator detection method according to claim 1 it is characterized in that the ratio between second temperature and aforementioned heat-generating units output power is thermal resistance value in the aforementioned radiator detection method, and this thermal resistance value computing formula is:

$\mathrm{Rca}=\frac{\mathrm{\ΔT}}{\mathrm{Qin}}$

Wherein Δ T equals (Tc-Tin), and Tc is this second temperature value and temperature value with a upper limit, and Tin is this first temperature value, and Rca is this thermal resistance value, and Qin is this heat-generating units output power.

4. as the radiator detection method as described in claim 2 or 3, it is characterized in that aforementioned heat-generating units output power can adjust with aforementioned Tin first variable that temperature value produces.

Images