Fundamental purpose of the present utility model is to provide a kind of device of equilibrium temperature, and it makes and can remain on a suitable temperature range in the device body, and can avoid the meaningless action of chilling unit, the function that reaches effective energy savings and prolong the life-span of circuit unit.
The purpose of this utility model is achieved by the following technical solution:
A kind of device of equilibrium temperature comprises in its body: a cooling piece, one first fan, a temperature sensor, end is attached to the control circuit that the heat pipe, on the cooling piece places first fins group, between first fan and the cooling piece to be connected with cooling piece, first fan and temperature sensor respectively one by one; Its body comprises outward: one is connected with a lead and passes second fan, that device body is connected to control circuit and places between second fan and device body, and corresponding to second fins group of the cooling piece in the device body.
Described device body can be in-vehicle information system or large computer system; Described device body is fixed in the spiral shell mode of establishing; The other end of described heat pipe is attached at an action component, and action component can place in the device body or place outside the device body, and action component can free in and out device body; Described action component can be the LCD backlight plate; Described first fins group can an external heating plate, and heating plate is connected with a lead and is connected with control circuit.
The device of the utility model equilibrium temperature has characteristics described as follows:
(1) device inside can remain in the operating temperature range.
(2) if reach operating temperature range, then turn off fan and cooling piece, avoided power wastage, prolonged the life-span of part.
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, 2, 3, be respectively planimetric map of the present utility model and three-dimensional exploded view.The utility model is a kind of device of equilibrium temperature, this device body 1 is fixed in the spiral shell mode of establishing, make it remain with the space with extraneous 2, comprise a cooling piece 3 in the device body 1, one first fan 4, one temperature sensor 5, one heat pipe 6, one first fins group 7 and a control circuit 8, wherein device body 1 can be in-vehicle information system or large computer system, heat pipe 6 can be aluminum pipe or copper pipe, the one end attaches cooling piece 3, the other end then attaches a LCD backlight plate 9, and LCD backlight plate 9 all is failure to actuate when higher temperatures and lower temperature, so need maintain in the certain temperature range, and this LCD backlight plate 9 can be placed in the device body 1 or outside the device body 1, also can free in and out this device body 1; First fins group 7 places between the cooling piece 3 and first fan 4, and control circuit 8 is connected with cooling piece 3, first fan 4 and temperature sensor 5 respectively by lead; Outside this device body I, comprise one second fan 10 and one second fins group 11, wherein second fan 10 is connected to a lead, this lead passes device body 1 and is connected to control circuit 8, the second fins group 11 and places 1 of second fan 10 and device body, and corresponding to the cooling piece 3 in the device body 1.
As shown in Figure 4, be user mode synoptic diagram of the present utility model, control circuit 8 receives the signal that temperature sensor 5 is transmitted, and handled, when if the temperature in the device body 1 is high than the set temperature value that stores in advance in the control circuit 8, the heat energy that 9 runnings of LCD backlight plate are produced, just can be by the heat pipe 6 that attaches on it, with this thermal energy conduction to cooling piece 3, cooled 3 of some heat energy absorbs, and remaining heat energy then is sent to device body 1 second fins group 11 outward via cooling piece 3, and delivers to extraneous 2 by second fan 10, because device body 1 maintains the space with extraneous 2, so can reach better heat radiating effect; Simultaneously, the low temperature that cooling piece 3 itself is produced is transmitted to first fins group 7, and cold wind is sent in the whole device body 1 via first fan 4, temperature in the device body 1 is reduced, can reach the temperature range that sets, control circuit 8 continues temperature that temperature sensor 5 is sensed and the temperature of setting is made comparisons, if reach the temperature range that sets, then close cooling piece 3, first fan 4 and second fan 10, so, can avoid power wastage; Otherwise continue running, in device body 1, can reach working temperature.
When if the temperature in the device body 1 is low than the set temperature value that stores in advance in this control circuit 8 (as shown in Figure 5), set control circuit 8 this moment earlier, second fan 10 is failure to actuate, and the positive-negative polarity that is communicated to cooling piece 3 is exchanged, then cooling piece 3 will become heat generating component, when LCD backlight plate 9 operates and adstante febre, because heat pipe 6 attaches on it, just can be with thermal energy conduction to cooling piece 3, be transmitted to first fins group 7 together with cooling piece 3 heat energy that distributes, be dissipated in the whole device body 1 via first fan 4, temperature in the device body 1 is raise, can reach the temperature range that sets, and control circuit 8 continues temperature and range of set temperature that this temperature sensor 5 senses are made comparisons, if reach the temperature range that sets, then closes cooling piece 3, first fan 4 and second fan 10, so, can avoid the waste of electric power; Otherwise continue running, in device body 1, can reach working temperature.
Moreover because LCD backlight plate 9 is when normal working temperature, the cooling piece 3 and first fan 4 can not move, so can avoid because of cooling piece 3 continuous firings produce heat energy, it is overheated and lose the effect of dispelling the heat originally to cause in the device body 1.
As shown in Figure 6, planimetric map for another embodiment of the present utility model, when if the temperature of device body 1 is low than the set temperature value that stores in advance in the control circuit 8, also can in device body 1, add a heating plate 12, heating plate 12 can be aluminium flake or steel disc, it is connected to first fins group 7 and is connected to a lead and is connected with control circuit 8, when LCD backlight plate 9 running adstante febres, because heat pipe 6 attaches on it, just can be with thermal energy conduction to cooling piece 3, the heat energy that heat energy that is distributed together with cooling piece 3 and heating plate 12 are produced, be transmitted to first fins group 7, and be dissipated in the device body 1, the temperature in the whole device body 1 can be raise rapidly via first fan 4, reach the temperature range that sets, and control circuit 8 is made comparisons temperature and range of set temperature that this temperature sensor 5 is sensed, if when reaching the temperature range that sets, then closes cooling piece 3, first fan 4, second fan 10 and heating plate 12, otherwise continue to activate, make in the device body 1 to reach working temperature.