CN2765237Y

CN2765237Y - Radiating fan delay apparatus independent of power supplier

Info

Publication number: CN2765237Y
Application number: CN 200420120595
Authority: CN
Inventors: 蔡宗彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-23
Filing date: 2004-12-23
Publication date: 2006-03-15
Anticipated expiration: 2014-12-23

Abstract

The utility model relates to a radiating fan delay apparatus independent of a power supplier, which is independent of the power supplier and comprises an electric energy transducer, a controller and a radiating fan, and commercial power is led from the power input end of the power supplier, wherein the electric power is depressurized and rectified and supplied to the controller through the electric energy transducer by the electric energy transducer, the controller is actuated to start by feedback signals that a main power supply system is noticed to shut down by a computer mainboard after the computer is shut down, the set time is achieved by counting and the power output to the radiating fan is cut off by the controller. By the characteristics, the radiating fan can be driven to run for a period of time by the controller after the computer is shut down, the power supplier is heated continuously and forcibly to solve the effects of the sudden shutting of the computer and the heat accumulation and temperature rise produced by an inner electronic component effectively, thereby, the service life of the electronic component is increased.

Description

Be independent of the radiator fan deferred mount of power supply unit

Technical field

The utility model belongs to a kind of radiator fan deferred mount that is independent of power supply unit, particularly a kind of deferred mount that continues to drive the radiator fan running behind computer shutdown.

Background technology

Because the progress of science and technology, progressing greatly of integrated circuit and various electronic package processing procedures makes the speed of interior computing of unit interval and processing also quicker, and the relative heat that makes generation constantly increases.Again in order to satisfy aforementioned integrated circuit (CPU) and to drive its interior arrangement (as: light; disc driver) Yun Zhuan demand; this power supply unit must provide higher power output; especially bad; every device processing speed at computing machine is increased sharply; the heat that is produced also improves relatively; it dispels the heat and (presses so must install more fan; the power source of fan is still by power supply unit); therefore for the need for electricity of aforementioned load is provided; make this power supply unit must keep work under the high power output mode; cause cause this in order to the electronic package of step-down rectifier (as commutator; voltage devices etc.) thermal value heightens; when computer operating; the commutator of this electronic package and power supply unit; transformer etc.; can reach radiating effect by its default fan blows; yet in computing machine when user shutdown (Soft off); this fan be cut off simultaneously the power supply and shut down; also stop simultaneously blowing of wind-force; because this integrated circuit and electronic package and commutator; transformer etc.; its general working temperature is promptly quite high; when fan stops suddenly; its remaining heat can blow accumulation gradually because of not being subjected to wind-force; make its sudden temperature rise; the often paranormal working temperature of its temperature and lasting one section long time; promptly produce the so-called phenomenon of rising again; in this time in stage, regular meeting causes the damage of integrated circuit or aforementioned every electronic package or influences the serviceable life of system.In view of aforementioned disappearance is to have the dealer to be improved, wherein as shown in Figure 1, be No. 87221197 patent case, the late release device of this radiator fan, be to be arranged at a power supply unit inside, this power supply unit includes a primary power system 30, one standing power-supply system 31, one ON-OFF control circuit 32 and a radiator fan 33, by being opened or close primary power system 30 with the switch of these ON-OFF control circuit 32 electric connections, when primary power system 30 is closed, this standing power-supply system 31 still continues running for should ON-OFF control circuit 32 operating required power supply, this late release device 34 is that the power supply that this standing power-supply system 31 is exported is offered this radiator fan 33, makes this radiator fan 33 continue to rotate to reduce the environment temperature of this power supply unit inside; Aforementioned late release device though claim and may use, still has following disappearance:

One, the standing power-supply system 31 of this power supply unit is output+5VSB generally, it mainly is when primary power system 30 closes, the required standby power supply of supply computer switch control circuit running, and this standing power-supply system is unique available power supply behind the computer shutdown, and as described above in computer system, because computing and processing are accelerated, not only the electronic package thermal value of power supply unit inside increases, in fact the electronic package of the high heating of the central processing unit (CPU) of motherboard and display card (VGA card) etc. or other, the heat of its generation also constantly increases sharply, behind computer shutdown, aforesaid all electronic packages or central processing unit all can stop to produce long-pending heat and temperature-rise effect because of fan, make its temperature high, for solving the temperature-rise effect that central processing units such as motherboard produce in the shutdown back, the central processing unit of most computer systems all is provided with a fan late release device (as No. 87102139 patent case), utilize this radiator fan continuous running a period of time behind computer shutdown, with the heat that produces before the smooth discharge shutdown, reach efficiently radiates heat, prevent temperature rise and increase lifetime of system, yet this fan late release device is also unique also can only be by the standby power supply of standing power-supply system supply+5VSB, only take into account computer system relative importance and reciprocity proportionality principle, these central authorities handle the requirement that needs heat radiation and its serviceable life and degree of stability, be to be distal to power supply unit, the radiator fan of this central processing unit setting is generally about 4 * 4 centimeters in addition, the radiator fan of power supply unit then needs at least more than one large-scale fan (be 8 * 8 centimeters of minimums even arrive more than 12 * 12 centimeters by general this large-scale fan specification) that heat radiation is provided, therefore after computing machine office should+fan that the standby power supply of 5VSB is powered at central processing unit is reluctantly, really central processing unit can't be supplied with simultaneously and power supply unit operates required electric power together, not only its heat radiation and temperature-rise effect prevent can not reach expection, also can produce the phase mutual interference, and have a strong impact on the central processing unit that this presses for heat radiation most, attend to one thing and lose sight of another the disappearance of attending trifles and neglect essentials and have.

Two, this late release device is to be arranged at power supply unit inside, in more detail, this late release device be common structure and in be built in the circuit of power supply unit, therefore for the power supply unit of different purposes attributes or power requirements, need the circuit and the late release device of its other power supply unit are integrated also layout (layout) again, be the inconvenience that causes design and make to be, relative also raising production cost.

The utility model content

Task to be solved in the utility model provides a kind of radiator fan deferred mount that is independent of power supply unit, this deferred mount is by energy converter, controller and radiator fan are formed, wherein this deferred mount is independent of power supply unit and separates setting, when computer shutdown and primary power system by electric power output, this controller is that its feedback signal of mat activates, and the input termination from power supply unit is drawn civil power, behind the energy converter step-down rectifier, the sub-radiator fan of powering, the controller counting reaches setting-up time, is exported by the electric power to radiator fan by controller again; Be with as can be known with regard to above-mentioned feature, this radiator fan controlled device behind the primary power system closing activates running a period of time, therefore behind computer shutdown, really can continue the electronic package forced heat radiation of power supply unit inside is prevented its long-pending heat and temperature-rise effect, and the required electric power supply of this radiator fan is to draw civil power from the input termination of power supply unit, be to have improved to commonly use standing power-supply system and take+the 5VSB standby power supply, and the original heat radiation of central processing unit and the protection requirement that cause endangering motherboard or display card, easy speech, the electric power system of this deferred mount radiator fan is irrelevant with standby power supply, can not have influence on the original of computing machine and set and distributing electric power; In addition, the electric power that deferred mount is obtained the supply radiator fan is not standby power supply+5VSB, but civil power reduces rectification supply radiator fan through energy converter, so can adopt higher pressure (as+12V) drive, so preferable power output effect (power P=voltage V * electric current I) of radiator fan tool, radiator fan can also run up simultaneously, reaches the usefulness of quick heat radiating.

Another task to be solved in the utility model provides a kind of radiator fan deferred mount that is independent of power supply unit, wherein this late release device is independent of power supply unit and separates setting, be applicable to the power supply unit of various different attributes or power requirements, as long as with energy converter and its input end parallel connection, can provide automatically delaying to close the function of radiator fan, do not need change of original power supply unit or layout again, therefore not only use object tool diversity, and design is that shape is convenient more mutually with making, and effectively reduces production costs.

Description of drawings

Fig. 1 is the circuit block diagram of No. 87221197 patent case.

Fig. 2 is the circuit block diagram of preferred embodiment of the present utility model.

1, deferred mount

11, energy converter

12, controller

121, time-delay switch unit

122, timing unit

13, radiator fan

2, power supply unit

20, input end

21, primary power system

22, standing power-supply system

23, computer main frame panel

S1, feedback signal

Embodiment

See also Fig. 2, a kind of radiator fan deferred mount that is independent of power supply unit of the utility model, this deferred mount 1 is independent of power supply unit 2 and separates setting, power supply unit 2 includes primary power system 21, standing electric system 22, required electric power during primary power system 21 supply computer main frame panels 23 work, when primary power system 21 is closed, this standing power-supply system 22 is the sub-computer main frame panel 23 of continued power, its improvement is: this deferred mount 1 is that the power input end 20 from power supply unit 2 connects and draws civil power, and comprise by energy converter 11, controller 12 and radiator fan 13 are formed, wherein: this energy converter 11, be to be connected with the power input end 20 of power supply unit 2, electric power is supplied to controller 12 through energy converter 11 step-down rectifiers; This controller 12, be to obtain electric power supply from energy converter 11, and radiator fan 13 is given in output, the feedback signal S1 that is closed by computer main frame panel 23 notice primary power systems 21 behind computer shutdown activates and opens, reach setting-up time through counting, export by electric power radiator fan 13 by controller 12; And primary power system 21 is when duty, provides electric power output by primary power system 21, and radiator fan 13 is given in via controller 12 power supplies; And radiator fan 13 is keying opportunitys of controlled device 12 its runnings of control.

Moreover controller 12 is further to comprise by time-delay switch unit 121 and a timing unit 122 being formed, and in working order the time, selection provides power supply radiator fan by primary power system 21 in primary power system 21; And the feedback signal S1 that is closed by computer main frame panel 23 notice primary power systems 21 behind the computer shutdown activates this time-delay switch unit 121 unlatchings, and switching is by the energy converter 11 power supply inputs of deferred mount 1, continuous reach setting-up time through timing unit 122 countings, by controller 12 by electric power supply to radiator fan 13.

Be with, with regard to above-mentioned feature as can be known, this heat radiation wind 13 is to close back controlled device 12 in primary power system 21 to activate running a period of time, therefore behind computer shutdown, really can continue electronic package forced heat radiation, prevent its long-pending heat and temperature-rise effect, and these radiator fan 13 required electric power supply are that input end 20 from power supply unit 2 connects and draws civil power power supply unit 2 inside, be improved to commonly use standing power-supply system and take+disappearance of 5VSB standby power supply, and then reach aforesaid projects.

Claims

1. radiator fan deferred mount that is independent of power supply unit, this deferred mount is independent of power supply unit and separates setting, power supply unit includes the primary power system, standing power-supply system, primary power system supply computer main frame panel required electric power of when work, system is closed when primary power, this standing power-supply system is the sub-computer main frame panel of continued power, it is characterized in that, this deferred mount is that the power input end from power supply unit connects and draws civil power, and by energy converter, controller and radiator fan are formed, wherein: this energy converter, be to be connected with the power input end of power supply unit, electric power is supplied to controller through the energy converter step-down rectifier; This controller, be to obtain electric power supply, and export and give radiator fan that the feedback signal by computer main frame panel notice primary power system closing behind computer shutdown activates unlatching from energy converter, reach setting-up time through counting, export by electric power radiator fan by controller; And the primary power system is when duty, provides electric power output by the primary power system, and radiator fan is given in the via controller power supply; This radiator fan is the keying opportunity of controlled its running of organ pipe system.

2. the radiator fan deferred mount that is independent of power supply unit as claimed in claim 1, it is characterized in that, wherein this controller is made up of a time-delay switch unit and a timing unit at least, in working order the time, selecting provides power supply radiator fan by the primary power system in the primary power system; And notify the feedback signal of primary power system closing to activate this time-delay switch unit by computer main frame panel behind the computer shutdown and open, and switching is by the energy converter power supply input of deferred mount, continuous reach setting-up time through the timing unit counting, by controller by electric power supply to radiator fan.