CN1757275A - Cooler - Google Patents
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- CN1757275A CN1757275A CN 200480005944 CN200480005944A CN1757275A CN 1757275 A CN1757275 A CN 1757275A CN 200480005944 CN200480005944 CN 200480005944 CN 200480005944 A CN200480005944 A CN 200480005944A CN 1757275 A CN1757275 A CN 1757275A
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Abstract
The invention relates to a cooling device, which is arranged in a wireless base station. The invention comprises a wireless part (103), which sends out and receives a signal through an antenna (101); a temperature sensor (105) detecting the temperature in the rack; a cooling fan (107), through which external air is brought into the rack; a fan drive part (109), which driving the cooling fan according the switching or control part (111) or the auxiliary control part (113) of a power supply; the control part (111), which is based on the detecting temperature of the temperature sensor, makes switching on and off control to the cooling fan (107) according to a programme, and the auxiliary control part (113), which is based on the detecting temperature of the temperature sensor, makes switching-off control to the cooling fan (107) according to hardware. When the auxiliary control part (113) is arranged in the environment with the temperature lower than the lower limiting value of the movement guaranteeing temperature of the control part (111) and is provided with the power supply, the switching-off control to the cooling fan (107) driven by the fan drive part (109) can be performed.
Description
Technical field
The present invention relates to be arranged at mobile radio station and carry out cooling device in the outdoor radio base station apparatus of being arranged on of radio communication (BTS) etc.
Background technology
Can be arranged on outdoor radio base station apparatus and consider that the normal range of operation that makes the interior temperature of frame surpass foregoing circuit owing to the heat of being located at inner circuit generation rises, therefore, carry cooling fan (for example TOHKEMY 2000-277958 communique (the 2nd page, the 1st figure)).Particularly small-sized device is owing to easy heat of aggregation amount in frame, so need cooling fan.
Fig. 4 is the block diagram of the existing radio base station apparatus of expression.Shown in figure, existing radio base station apparatus comprises that antenna 1, radio section 3, temperature sensor 5, cooling fan 7, fans drive portion 9, control part 11 constitute.
In this radio base station apparatus, as mentioned above, control part 11 has CPU and internal storage, but these IC actions guarantee that temperature mostly is more than 0 ℃.As mentioned above, when radio base station apparatus inserted power supply, fans drive portion 9 was more than-40 ℃, but was made of the part of safety action, and therefore, cooling fan 7 drives according to the indication from fans drive portion 9.Therefore; even radio base station apparatus for example is being arranged under-30 ℃ of so extremely cold environment, and when inserting power supply, cooling fan 7 also drives; when the action of control part 11 guarantees temperature for for example more than 0 ℃ the time, control part 11 can not be normally or the possibility height of being failure to actuate fully.When control part 11 can not regular event, cooling fan 7 was not closed control, and therefore, the outer gas of extremely low temperature continues to be inhaled in the frame.
Therefore, although the heating that exists radio section 3 to wait other inscape to produce, cooling fan 7 is also gone into the outer aspiration of extremely low temperature in the frame, therefore, exists the temperature in the frame can not rise to the problem that action guarantees temperature.Even consequently existing radio base station apparatus is set, and insert power supply in extremely cold position, long-time to can also needing with performance action up to specification, or in worst situation, no matter when all can not be with performance action up to specification.
As mentioned above, has following technology, cooling fan sucks extraneous air in the frame by membrane filter, cooled interior, but when membrane filter stops up, even drive cooling fan, temperature in the frame is reduced, when it is placed always, because the temperature in the frame can surpass the normal range of operation of internal circuit, so must change membrane filter.Therefore, need to detect the obstruction of membrane filter, after for example driving cooling fan, the temperature difference that checkout gear is inner and device is outside, when this temperature difference surpasses normal temperature difference scope, abnormity notifying is carried out in the output of regulation handle (for example with reference to TOHKEMY 2002-357317 communique (4-5 page or leaf, the 1st figure)).
But, because the outside wind speed of device causes the accuracy of detection instability of the inside and outside temperature difference of device, therefore, according to circumstances, even membrane filter does not stop up, also might make the detected temperatures difference surpass normal temperature difference scope, handle and carry out abnormity notifying.
In addition, in the winter time Han Leng period, if membrane filter stops up, the cooling capacity that cooling fan produces reduces, although rise with respect to the relative temperature of outer temperature degree, the temperature in the frame can not rise to it more than degree yet.Therefore, in fact needn't change membrane filter this moment.But, having or not in the mode of obstruction by installing temperature difference detection membrane filter inner and that device is outside, in the winter time Han Leng period, the detected temperatures difference surpasses normal temperature difference scope, and the situation that abnormity notifying is handled of carrying out is also arranged.
Like this,, carry out the replacing increased frequency that there is membrane filter in result that abnormity notifying handles, to maintenance person's such problem points that increases burden on the opportunity that needn't change membrane filter.During the position setting device that particularly is far from the crowd in the winter time,,, therefore wish to reduce the replacing number of times of membrane filter owing to need big labour for changing the membrane filter of this device.
Summary of the invention
The objective of the invention is to, a kind of cooling device is provided, even insert the situation of power supply under extremely cold environment, also the temperature in the not overslaugh frame rises and moves.
In addition, its purpose also is to provide a kind of cooling device, only in the situation of regulation, can make the obstruction of membrane filter not be subjected to detect about the variation of external environment condition.
Cooling device of the present invention has: cooling fan, and it is taken into outer gas in the frame; Temperature detecting part, it detects the temperature in the described frame; First control part, it is based on controlling described cooling fan by the detected temperature switch of described temperature detecting part; Second control part when being hanged down than the predefined set point of temperature below the lower limit of the action assurance temperature of first control part by the detected temperature of described temperature detecting part, carries out the closing control of described cooling fan.
Therefore, because the temperature in the frame is lower than the action assurance temperature of first control part, so even be failure to actuate, second control part also can the closing control cooling fan.Therefore, be arranged under the extremely cold environment, and when inserting power supply,, also can carrying out closing control by second control part even make the cooling fan that drives beginning by the first control part closing control by applying power supply.At this moment, because the outer gas of extremely low temperature is not inhaled in the frame, so the interior temperature of frame is owing to the heating of internal circuit is risen.That is, even under extremely cold environment, when inserting power supply, the temperature in also can not overslaugh frame rises and moves.
In the cooling device of the present invention, described first control part is by software operation, and described second control part passes through hardware action.In action of being undertaken by software and the action undertaken by hardware, the action of moving by hardware guarantees the wide ranges of temperature.For software is moved, be prerequisite with the action of CPU, memory etc., CPU peripheral circuit.But according to temperature data, the control that stops fans drive portion can design by PLD (Programmable Logic Device) etc., by guarantee selected this PLD of wide scope in action, can guarantee that the wide hardware of temperature design to action.Therefore, the action of second control part scope that guarantees temperature wide than first control part.Therefore, because temperature is extremely low, so even first control part is failure to actuate, second control part also can move.
Cooling device of the present invention also can have following fans drive portion, that is, when inserting power supply, indication drives described cooling fan, and drives or stop described cooling fan according to the control indication of described first control part or described second control part.
Cooling device of the present invention also has: cooling fan state-detection portion, and it detects whether regular event of described cooling fan; The plugged filter test section, it is according to by the detected temperature of described temperature detecting part with detected the obstruction of membrane filter by the operate condition of the detected described cooling fan of described cooling fan state-detection portion, in the described plugged filter test section, if the state by the detected described cooling fan of described cooling fan state-detection portion is a regular event, and by the detected temperature of described temperature detecting part more than or equal to first set point of temperature, after the process stipulated time, also, then be judged as described membrane filter and stop up more than or equal to described first set point of temperature.
Like this, although at the cooling fan regular event, the also undiminished situation of temperature in the frame is stopped up owing to be judged as membrane filter, so be not subjected to about the environmental change of frame outside, stops up and can detect membrane filter.In addition,, detect membrane filter and stop up only when first set point of temperature is above by the detected temperature of temperature detecting part, therefore, stop up even remove membrane filter, the temperature in the frame also can not rise very much winter cold period, can detect membrane filter and stop up.
In cooling device of the present invention, the operate condition of described cooling fan detects in described cooling fan state portion by the rotation number that detects described cooling fan, described plugged filter test section is being more than the stated number by the detected described cooling fan rotation number of described cooling fan state-detection portion, and by the detected temperature of described temperature detecting part is more than first set point of temperature, after the process stipulated time, as also as described in more than first set point of temperature, then be judged as described membrane filter and stop up.
Cooling device of the present invention also has the signal transmission unit that the signal of regulation is sent to specified address by communication network, when described plugged filter test section detects described membrane filter and stops up, send indication to described signal transmission unit, first specified signal is sent to the address of described regulation.
Even stop up at membrane filter, the temperature in the frame also not too high winter cold period, even membrane filter stops up, the plugged filter test section can not detect it, therefore, first specified signal can not be sent to the address of regulation.The labour that its result can make filter change reduces, and can alleviate maintenance person's burden.
In the cooling device of the present invention, described plugged filter test section is when being reached than high second set point of temperature of described first set point of temperature by the detected temperature of described temperature detecting part, send indication to described signal transmission unit, second specified signal is sent to the address of described regulation.
In addition, communicator of the present invention has described cooling device and Department of Communication Force, and described cooling device stops to described Department of Communication Force supply capability when being reached described second set point of temperature by the detected temperature of described temperature detecting part.
Department of Communication Force has the big parts of caloric value such as fan more, but like this, by the function stop of the Department of Communication Force that caloric value is big, the temperature that can restrain in the frame rises.Even its result continues to prolong the state of not changing membrane filter, also can make very highly temperature-resistant in the frame.
In addition, the invention provides communicator with above-mentioned cooling device.Therefore, compare with the situation that cooling fan drives, communicator can move after inserting power supply at short notice usually.
Description of drawings
Fig. 1 is the block diagram of the radio base station apparatus of expression one embodiment of the invention;
Fig. 2 is radio base station apparatus of expression one embodiment of the invention and the block diagram that contains the system of this radio base station apparatus;
Fig. 3 is the block diagram of internal structure of the control part that has of radio base station apparatus of expression one embodiment of the invention;
Fig. 4 is the block diagram of the existing radio base station apparatus of expression.
Have, the label in the accompanying drawing is as follows again: 101 antennas, 103 radio sections, 105 temperature sensors, 107 cooling fans, 109 fans drive portions, 111 control parts, 113 assist control portions, 201 radio base station apparatus, 202 communication networks, far distance controlled center, 203 base station, 211 radio sections, 212 base band signal process portions, 213 control parts, 214 safeguard the supervision control part, 215 membrane filters, 216 cooling fans, 217 antennas, 218 temperature sensors, 219 rotation number test sections, 220 power supply units, 231 station control parts, 232 cooling fan control parts, 233 plugged filter test sections
Embodiment
Below, the embodiment of the cooling device that present invention will be described in detail with reference to the accompanying.But, in an embodiment, be that example describes with the outdoor radio base station apparatus of being arranged on of cooling device that is provided with of the present invention.In addition, the radio base station apparatus of present embodiment is one of communicator example.
First embodiment
Fig. 1 is the block diagram of the radio base station apparatus of expression first embodiment of the present invention.As shown in the drawing, the radio base station apparatus of present embodiment has: antenna 101, radio section 103, the temperature sensor 105 as one of temperature detecting part example, cooling fan 107, as the fans drive portion 109 of one of fans drive portion example, as the control part 111 of one of first control part example, as the assist control portion 113 of one of second control part example.
The following describes each inscape that the radio base station apparatus of present embodiment has.
At first, radio section 103 sends received signal by antenna 101.In addition, temperature sensor 105 detects the interior temperature of frame of radio base station apparatus.Cooling fan 107 is taken into extraneous air in the frame cooled interior by membrane filter (not shown).The control that fans drive portion 109 carries out according to the switching of not shown power supply or control part 111 and assist control portion 113, indication drive or stop cooling fan 107.In addition, when radio base station apparatus inserted power supply, fans drive portion 109 set and drives cooling fan 107.
But, be located at more than 0 ℃ because the action of this internal storage guarantees temperature, so the control of the switch of the cooling fan 107 that control part 111 carries out might can not normally be carried out outside action guarantees temperature range more.For example, when the action of control part 111 guaranteed that temperature is 0 ℃～70 ℃, when the temperature in frame was-30 ℃, the control of the switch of cooling fan 107 very likely can not normally be carried out.
In addition, assist control portion 113 based on by temperature sensor 105 detected temperature by hardware closing control cooling fans 107 such as logical circuits.In action of being undertaken by software and the action undertaken by hardware, the wide ranges that guarantees temperature is moved in the action of being undertaken by hardware.For software is moved, be prerequisite with the action of CPU, memory etc., CPU peripheral circuit.But according to temperature data, the control that stops fans drive portion can design by PLD (Programmable Logic Device) etc., by guarantee selected this PLD of wide scope in action, can guarantee that the wide hardware of temperature design to action.For example, the action of control part 111 guarantees that temperature is 0 ℃～70 ℃, and is relative therewith, and the action of assist control portion 113 guarantees that temperature is-40 ℃～100 ℃, and assist control portion 113 guarantees the wide ranges of temperature than the action of control part 111.
Therefore, assist control portion 113 guarantees that than the action of control part 111 the following predefined set point of temperature of the lower limit (for example 0 ℃) of temperature (for example-5 ℃) when hanging down, carries out the closing control of cooling fan 107 in the temperature that is detected by temperature sensor 105.Therefore, though by temperature sensor 105 detected temperature at ℃ such extremely low temperature for example-30, assist control portion 113 also can move, closing control cooling fan 107.
Below, the action of the radio base station apparatus of present embodiment is described.
Radio base station apparatus is being arranged on for example under 18 ℃ of such normal temperature environments, and when inserting power supply, is being used to drive cooling fan 107 from the indication of fans drive portion 109.In addition, radio base station apparatus is being arranged on for example under 2 ℃ of such low temperature environments, and when inserting power supply, according to the indication from fans drive portion 109, cooling fan 107 begins to drive.But this moment is owing to also being about 2 ℃ by temperature sensor 105 detected temperature (temperature in the frame), so by control part 111 closing control cooling fans 107.After by control part 111 closing control cooling fans 107, because the heating that radio section 103 waits other inscape to cause is risen the temperature in the frame, so control part 111 when reaching design temperature by temperature sensor 105 detected temperature, is opened control cooling fan 107.
In addition, radio base station apparatus for example is being arranged under-30 ℃ of so extremely cold environment, and when inserting power supply, cooling fan 107 begins to drive according to the indication from fans drive portion 109.But,,, at this moment, utilize assist control portion 113 closing control cooling fans 107 so control part 111 does not move because the temperature (temperature in the frame) that is detected by temperature sensor 105 also is-30 ℃ of degree.In addition, after utilizing assist control portion 113 closing control cooling fans 107, because the heating that radio section 103 waits other inscape to produce is risen the temperature in the frame, so radio base station apparatus is with performance action up to specification.In addition, the temperature in frame rises, and when reaching above-mentioned design temperature by temperature sensor 105 detected temperature, control part 111 is opened control cooling fan 107.
As mentioned above, in the radio base station apparatus of present embodiment, this radio base station apparatus for example is being arranged under-30 ℃ of extremely cold like this environment, and when inserting power supply, according to indication from fans drive portion 109, cooling fan 107 begins to drive, even but at the utmost point low temperature of control part akinesia, the assist control portion 113 closing control cooling fans 107 of action.At this moment, because the outer gas of utmost point low temperature is not inhaled in the frame, so the temperature in the frame rises owing to radio section 103 waits the heating of other inscape generation.Consequently, compare with the situation that cooling fan 107 drives, radio base station apparatus is after inserting power supply, at short notice with performance action up to specification.Like this, can provide radio base station apparatus,, it be inserted power supply, also can after inserting power supply, carry out common action at short notice even under extremely cold environment, radio base station apparatus is set.
In the present embodiment, be that example is illustrated with the radio base station apparatus, but also can in other devices such as telemonitoring camera, cooling device of the present invention be set.
As mentioned above, in the cooling device of present embodiment, because the temperature in the frame is lower than the action assurance temperature of first control part, so even be failure to actuate, second control part also can the closing control cooling fan.Therefore, it is being arranged under the extremely cold environment, and when inserting power supply, even first control part also can be controlled by second control part not to controlling by applying the cooling fan that power supply begins to drive.At this moment, because the outer gas of utmost point low temperature is not inhaled in the frame, so the interior temperature of frame is owing to the heating of internal circuit is risen.That is, rise even under extremely cold environment, insert the temperature of power supply in also can the overslaugh frame, and move.
Second embodiment
Fig. 2 is the radio base station apparatus of the expression second embodiment of the present invention and the block diagram that contains the system of this radio base station apparatus.As shown in the drawing, the radio base station apparatus 201 of present embodiment comprises: as the radio section 211 of one of Department of Communication Force example and base band signal process portion 212, as the control part 213 of one of plugged filter test section example, as the maintenance of one of signal transmission unit example monitor control part 214, membrane filter 215, cooling fan 216, antenna 217, as temperature sensor 218, the rotation number test section 219 that is equivalent to cooling fan state-detection portion, the power supply unit 220 of one of temperature detecting part example.In the following description, these each inscapes are generically and collectively referred to as the internal circuit of radio base station apparatus 201.In addition, radio base station apparatus 201 is connected with far distance controlled center, base station 203 by communication network 202.
Below, the inscape that the radio base station apparatus 201 of present embodiment has is described.
At first, the wireless signal that 211 pairs of antennas of radio section 217 receive carries out demodulation, or baseband signal is modulated then from antenna 217 transmissions.In addition, 212 pairs of baseband signals of base band signal process portion are carried out predetermined process.Cooling fan 216 makes the fan rotation by motor, by membrane filter 215 outer gas is entered in the frame of radio base station apparatus 201.
Membrane filter 215 is dust out or dust from the outer gas that is sucked by cooling fan 216.In addition, temperature sensor 218 detects temperature in radio base station apparatus 201 frames (below be also referred to as internal temperature).Rotation number test section 219 detects the rotation number of the motor that makes cooling fan 216 rotations.In addition, power supply unit 220 has DC/DC converter etc., and each inscape of radio base station apparatus 201 is supplied with necessary electric power.
In addition, control part 213 is after detecting membrane filter 215 obstructions, when temperature reaches set point of temperature in the frame of radio base station apparatus 201, monitor that to safeguarding control part 214 indications output to far distance controlled center, base station 203 by communication network 202 with alarm signal (one of second specified signal example).And when this alarm signal of indication output, control power supply unit 220 stops the electric power of radio section 211 and base band signal process portion 212 is supplied with.
Safeguard and monitor that control part 214 is connected with far distance controlled center, base station 203 by communication network 202, monitor that by making far distance controlled center, base station 203 and safeguarding control signal sends reception, carry out the operational management processing and the Stateful Inspection control of radio base station apparatus 201.In addition, be used to urge the signal of changing membrane filter 215 or alarm signal etc. from safeguard monitoring that control part 214 sends to far distance controlled center, base station 203.
Fig. 3 is the block diagram of above-mentioned control part 213 internal structures of expression.Shown in figure, control part 213 has: local control part 231, cooling fan control part 232, as the plugged filter test section 233 of one of plugged filter test section example.The control part 231 of standing is controlled base band signal process portions 212.
In addition, cooling fan control part 232 correspondences are carried out the switch control of cooling fan 216 by the temperature (internal temperature) in the temperature sensor 218 detected frames.The switch control of 232 pairs of cooling fans 216 of cooling fan control part has hysteresis.That is, under cooling fan 216 closing state, the condition of opening when control is internal temperature Ta, and under the state that cooling fan 216 is opened, the condition when carrying out closing control is internal temperature Tb, has the such magnitude relationship of Ta＞Tb.And, by the poor of degree between internal temperature Ta and the Tb is set, can avoid cooling fan 216 to carry out frequent switch motion.
Fan stops up test section 233 based on by temperature sensor 218 detected temperature with detected the obstruction of membrane filter 215 by the rotation number of rotation number test section 219 detected cooling fans 216.In the present embodiment, the rotation number of cooling fan 216 is more than the stated number, and is more than first set point of temperature by temperature sensor 218 detected temperature, at the appointed time after, also when this first set point of temperature was above, plugged filter test section 233 was judged as membrane filter 215 and stops up.When plugged filter test section 233 detects membrane filter 215 obstructions, monitor that to safeguarding control part 214 sends indication by communication network 202, the signal that will impel filter to change is delivered to far distance controlled center, base station 203.
Plugged filter test section 233 is after detecting membrane filter 215 obstructions, continue to monitor by temperature sensor 218 detected temperature, when reaching second set point of temperature (＞the first set point of temperature) by temperature sensor 218 detected temperature, to safeguarding that monitor management control part 214 sends indication, alarm signal is sent to far distance controlled center, base station 203, and control power supply unit 220 stops to supply with to the electric power of radio section 211 and base band signal process portion 212.
The action of the radio base station apparatus 201 of present embodiment is described then.The cooling fan control part 232 of control part 213 temperature (internal temperature) in by the frame of temperature sensor 218 detected radio base station apparatus 201 is T1 when following, closes cooling fan 216.When the temperature degree is low outside for example,, also be in the temperature environment of internal circuit regular event in the frame of radio base station apparatus 201 even close cooling fan 216.At this, owing to the influences such as heating of the rising of outer temperature degree or internal circuit are risen the temperature in the frame, when temperature sensor 218 detected temperature reach T2 (＞T1) time, cooling fan control part 232 is opened control cooling fans 216.When cooling fan 216 actions, outer gas enters in the frame of radio base station apparatus 201 by membrane filter 215.
But when membrane filter 215 stopped up, even cooling fan 216 actions, outer gas also entered in the frame not too easily, therefore, and the situation that exists internal temperature further to rise.At this moment, when reach by temperature sensor 218 detected temperature T3 (＞T2) time, the plugged filter test section 233 of control part 213 is based on by the rotation number of rotation number test section 219 detected cooling fans 216 with detected the obstruction of membrane filter 215 by temperature sensor 218 detected temperature (internal temperature).That is, be more than the stated number in the rotation number of cooling fan 216, and at the appointed time, internal temperature is T3 when above, is judged as membrane filter 215 and stops up.At this moment, plugged filter test section 233 monitors that to safeguarding control part 214 sends indication by communication network 202, and the signal that will impel filter to change sends to far distance controlled center, base station 203.
Then, in the obstruction of not eliminating membrane filter 215, internal temperature further rises, reach T4 (＞T3) time, plugged filter test section 233 monitors that to safeguarding control part 214 sends indication by communication network 202, far distance controlled center, base station 203 is delivered in alarm signal, and control power supply unit 220, stop to supply with to the electric power of radio section 211 and base band signal process portion 212.
In addition, from safeguard monitoring the alarm signal of control part 214 outputs, when internal temperature is less than T4 at the appointed time, or internal temperature be the above state of T4 through after the stipulated time, its output is stopped.In addition, when monitoring control part 214 output alarm signals from maintenance, if 203 when receiving reset signals from far distance controlled center, base station, control part 213 control power supply units 220, open once more to the electric power of radio section 211 and base band signal process portion 212 and supply with, and to safeguarding that monitor management control part 214 sends indication, stops the output of alarm signal.
As mentioned above, in the radio base station apparatus 201 of present embodiment, rotation number at cooling fan 216 is more than the stated number, and by temperature sensor 218 detected temperature is more than first set point of temperature, at the appointed time also when this first fixed temperature is above, judge that membrane filter 215 stops up, the signal that will impel filter to change is delivered to far distance controlled center, base station 203.
That is,, when the temperature in the frame of radio base station apparatus 201 does not reduce, stop up owing to be judged as membrane filter 215 although the rotation number of cooling fan 216 is normal, thus be not subjected to about the variation of frame external environment condition, and can detect the obstruction of membrane filter 215.In addition, only when first set point of temperature is above, can detect the obstruction of membrane filter 215 by temperature sensor 218 detected temperature, therefore, even membrane filter 215 stops up, the frame temperature not too high winter cold period, can not send the signal that impels filter to change yet.Therefore, the labour who is used to change filter can be reduced, maintenance person's burden can be alleviated.
In addition, after detecting membrane filter 215 obstructions, as reaching second set point of temperature, then alarm signal is delivered to far distance controlled center, base station 203, and stopped to supply with to the electric power of radio section 211 and base band signal process portion 212 by temperature sensor 218 detected temperature.Radio section 211 with amplifier is compared with other inscape because caloric value is big, so the time by stopping the function of radio section 211, the temperature that can suppress in the frame rises.Even consequently continue to prolong the state of not changing membrane filter 215, also can make the temperature in the frame very not high.
The control part 214 that the cooling device of present embodiment has also can be by implementing program behavior.In the present embodiment, plugged filter test section 233 is based on the rotation number by rotation number test section 219 detected cooling fans 216, with obstruction by temperature sensor 218 detected temperature detection membrane filters 215, if but could detect whether regular event of cooling fan 216, then would be not limited to rotation number test section 219.The block information that also can show in addition, membrane filter 215 by LED or liquid crystal display part etc.In the present embodiment, be that example is illustrated with the radio base station apparatus, but also can in other devices such as telemonitoring camera, cooling device of the present invention be set.
In addition, the cooling device of present embodiment also can have the fan control function of the cooling device of embodiment 1.At this moment, also can distinguish and use antenna 101 and antenna 217, radio section 203 and radio section 211, temperature sensor 105 and temperature sensor 218, cooling fan 107 and cooling fan 216 jointly, can also use control part 111 and/or assist control portion 113 and control part 213 jointly.
As mentioned above, in the cooling device of present embodiment, although at the cooling fan regular event, but the situation that the temperature in the frame does not also reduce is judged as membrane filter and stops up, therefore, can not be subjected to detect the obstruction of membrane filter about the environmental change of frame outside.In addition, owing to when being limited to by the detected temperature of temperature detecting part, detecting membrane filter and stop up more than or equal to first set point of temperature, therefore, stop up even remove membrane filter, the temperature in the frame also can not rise very much winter cold period, can detect membrane filter and stop up.
Understand the present invention in detail with reference to certain embodiments, but it should be appreciated by those skilled in the art that, can increase various changes or correction not breaking away from the spirit and scope of the present invention.
The application is based on the Japanese patent application (spy is willing to 2003-57197) of application on March 4th, 2003, the Japanese patent application (spy is willing to 2003-58809) of application on March 5th, 2003, and its content is introduced as reference at this.
Utilizability on the industry
Cooling device of the present invention has, even insert the situation of power supply under extremely cold environment, also can Temperature rise in the not overslaugh frame and the effect of moving, and/or only in the situation of regulation can make dustproof About the obstruction of filter is not changed by external environment condition, and detectable effect, it is to radio base station apparatus etc. Communicators etc. are useful.
Claims (9)
1, a kind of cooling device has: cooling fan, and it is taken into outer gas in the frame; Temperature detecting part, it detects the temperature in the described frame; First control part, it is based on controlling described cooling fan by the detected temperature switch of described temperature detecting part; Second control part when being hanged down than the predefined set point of temperature below the lower limit of the action assurance temperature of first control part by the detected temperature of described temperature detecting part, carries out the closing control of described cooling fan.
2, cooling device as claimed in claim 1, described first control part is by software operation, and described second control part passes through hardware action.
3, cooling device as claimed in claim 1 or 2 is characterized in that, when inserting power supply, indication drives described cooling fan, and indicates driving or stop described cooling fan according to the control of described first control part or described second control part.
4, as each described cooling device in the claim 1～3, also have: cooling fan state-detection portion, it detects whether regular event of described cooling fan; The plugged filter test section, it is according to by the detected temperature of described temperature detecting part with detected the obstruction of membrane filter by the operate condition of the detected described cooling fan of described cooling fan state-detection portion, in the described plugged filter test section, if the state by the detected described cooling fan of described cooling fan state-detection portion is a regular event, and by the detected temperature of described temperature detecting part is more than first set point of temperature, after the process stipulated time, also more than described first set point of temperature, then be judged as described membrane filter and stop up.
5, cooling device as claimed in claim 4, the operate condition of described cooling fan detects in described cooling fan state portion by the rotation number that detects described cooling fan, described plugged filter test section is being more than the stated number by the detected described cooling fan rotation number of described cooling fan state-detection portion, and by the detected temperature of described temperature detecting part more than or equal to first set point of temperature, after the process stipulated time, if also more than or equal to described first set point of temperature, then be judged as described membrane filter and stop up.
6, as claim 4 or 5 described cooling devices, also has the signal transmission unit of the signal of regulation being delivered to specified address by communication network, when described plugged filter test section detects described membrane filter and stops up, send indication to described signal transmission unit, first specified signal is sent to the address of described regulation.
7, cooling device as claimed in claim 6, described plugged filter test section is when being reached than high second set point of temperature of described first set point of temperature by the detected temperature of described temperature detecting part, send indication to described signal transmission unit, second specified signal is sent to the address of described regulation.
8, a kind of communicator has described cooling device of claim 7 and Department of Communication Force, and described cooling device stops to supply with to the electric power of described Department of Communication Force when being reached described second set point of temperature by the detected temperature of described temperature detecting part.
9, a kind of communicator has each described cooling device in the claim 1～7.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP057197/2003 | 2003-03-04 | ||
| JP2003057197A JP2004263989A (en) | 2003-03-04 | 2003-03-04 | Filter clogging detection device |
| JP058809/2003 | 2003-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1757275A true CN1757275A (en) | 2006-04-05 |
Family
ID=33120684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480005944 Pending CN1757275A (en) | 2003-03-04 | 2004-02-27 | Cooler |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004263989A (en) |
| CN (1) | CN1757275A (en) |
Cited By (5)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101235822B (en) * | 2008-02-03 | 2010-04-14 | 中兴通讯股份有限公司 | Radio base station blower fan control device and its control method |
| CN102455035A (en) * | 2010-11-03 | 2012-05-16 | 中华电信股份有限公司 | Regulatory system of air conditioner in computer room |
| CN102612303A (en) * | 2012-03-13 | 2012-07-25 | 华为技术有限公司 | Radiator system and temperature control unit for wireless communication module |
| CN102612303B (en) * | 2012-03-13 | 2014-11-05 | 华为技术有限公司 | Radiator system and temperature control unit for wireless communication module |
| CN104918465A (en) * | 2015-06-24 | 2015-09-16 | 中山菲柯特电子电器有限公司 | Central control system anti-theft apparatus with automatic cooling function |
| CN104918465B (en) * | 2015-06-24 | 2017-10-13 | 广东菲柯特电子科技有限公司 | Central control system burglar alarm capable of automatically cooling |
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| JP2004263989A (en) | 2004-09-24 |
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