CN201429803Y - Pointer device and constant temperature circuit thereof - Google Patents
Pointer device and constant temperature circuit thereof Download PDFInfo
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- CN201429803Y CN201429803Y CN2009200760362U CN200920076036U CN201429803Y CN 201429803 Y CN201429803 Y CN 201429803Y CN 2009200760362 U CN2009200760362 U CN 2009200760362U CN 200920076036 U CN200920076036 U CN 200920076036U CN 201429803 Y CN201429803 Y CN 201429803Y
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Abstract
The utility model discloses a pointer device and a constant temperature circuit thereof. The pointer device comprises a machine body, a temperature sensor, a temperature regulator and a temperature control circuit, wherein the machine body is provided with a holding part; the temperature sensor is arranged in the machine body; and the temperature regulator is arranged in the machine body and closeto the holding part and also coupled with the temperature sensor and judges whether regulating the inner temperature of the machine body or not according to temperature measured by the temperature sensor; and the temperature control circuit is arranged in the machine body and coupled between the temperature sensor and the temperature regulator and controls the temperature regulator to whether regulate the inner temperature of the machine body or not according to the temperature measured by the temperature sensor. The constant temperature circuit comprises the temperature sensor, the temperature regulator and the temperature control circuit.
Description
Technical field
The utility model relates to a kind of indicator device, particularly relates to a kind of indicator device and constant-temperature circuit thereof.
Background technology
In recent years, Information technology is advanced by leaps and bounds, such as information products such as mobile phone, computing machine and individual mobile assistant are seen everywhere, by their help, provide people on the living conditions food, clothing, live, go, educate, the demand of happy each side, people are grown with each passing day to the dependence of information products, and information products produce inseparable relation with daily life.
Mouse is the peripheral unit of computing machine indispensability, is used for controlling cursor and moves the indicator device that clicks with object.Yet because environment temperature can be different along with the change in season, so the temperature of mouse surface can change along with season equally.When operating mouse winter, because the low temperature of mouse surface, and the people is not felt well and make that finger can be comparatively stiff.When the summer operation mouse, because the high temperature of mouse surface, can make the people feel sultry and make palm sweat easily so that influence operation to mouse.
The utility model content
The utility model provides a kind of indicator device and constant-temperature circuit thereof, can regulate and keep the temperature of indicator device.
The utility model proposes a kind of constant-temperature circuit, be applicable to indicator device.This constant-temperature circuit comprises temperature sensor, first operational amplifier, second operational amplifier, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, switch and temperature regulator.Temperature sensor coupling system voltage, and according to its resistance value of the temperature change in the indicator device.The positive input terminal of first operational amplifier couples temperature sensor.First resistance is coupled between the positive input terminal and ground voltage of first operational amplifier.Second resistance is coupled between the negative input end and ground voltage of first operational amplifier.The positive input terminal of second operational amplifier couples the positive input terminal of first operational amplifier, and the negative input end of second operational amplifier couples the negative input end of first operational amplifier, the output terminal output reference voltage of second operational amplifier.Switch has first common ends, second common ends, the 3rd common ends, first end, second end, the 3rd end, the 4th end, five terminal and the 6th end, wherein its first common ends couples its 3rd common ends, its second common ends couples ground voltage, its five terminal couples the output terminal of second operational amplifier, its first end couples its 4th end, its second end couples its 3rd end, and its 6th end couples the output terminal of first operational amplifier.When reference voltage was first level, first common ends of switch coupled its first end, and second common ends of switch couples its 3rd end, and the 3rd common ends of switch couples its five terminal.When reference voltage was second level, first common ends of switch coupled its second end, and second common ends of switch couples its 4th end, and the 3rd common ends of switch couples its 6th end.Temperature regulator is coupled between first end and second end of switch, and determines the temperature of whether regulating indicator device according to the voltage that received.The 3rd resistance coupled in parallel temperature sensor.The 4th resistance is coupled between the negative input end and second resistance of first operational amplifier.The 5th resistance is coupled between the 6th end of the output terminal of first operational amplifier and switch.
In an embodiment of the present utility model, this indicator device is a mouse.
The utility model proposes a kind of indicator device in addition, and it comprises body, temperature sensor, temperature regulator and temperature-control circuit.Body has the grip part.Temperature sensor is disposed in the body.Temperature regulator is disposed in the body and close grip part, and couples temperature sensor.Temperature regulator is according to the measured temperature of temperature sensor, and whether decision adjusts the temperature in the body.Temperature-control circuit is disposed in the body, is coupled between temperature sensor and the temperature regulator, and with the measured temperature of foundation temperature sensor, whether the control temperature regulator adjusts the temperature in the body.
In an embodiment of the present utility model, this temperature sensor is a thermistor.
In an embodiment of the present utility model, this temperature regulator is semiconductor refrigerating/a heat element, and heats when element receives positive voltage when semiconductor refrigerating/heat, when semiconductor refrigerating/heat and freeze when element receives negative voltage.
In an embodiment of the present utility model, this temperature sensor and temperature regulator are at a distance of predeterminable range.
Comprehensive the above, Zhi Standard Installed of the present utility model puts Qi Heng Warm Electricity road of Ji, sees through temperature sensor and records temperature in the indicator device, and whether regulate temperature in the indicator device according to measured temperature decision.By this, scalable and keep temperature in the indicator device.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the structural representation of the indicator device of the utility model one embodiment.
Fig. 2 is the circuit diagram of the indicator device of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to putting Ji Qi Heng Warm Electricity its feature of road and effect thereof according to the Zhi Standard Installed that the utility model proposes, describe in detail as after.
Fig. 1 is the structural representation of the indicator device of the utility model one embodiment.Please refer to Fig. 1, in the present embodiment, indicator device 100 is an example with mouse 100, and Fig. 1 is a schematic top plan view, conveniently to describe.Mouse 100 comprises body 110, joint 120, power switch 130, temperature sensor 140, temperature regulator 150, temperature-control circuit 160, green LED 170 and red light emitting diodes 180.Joint 120 is in order to inserting in the USB (universal serial bus) connectivity port, and sees through cable and couple circuit in the body 110, to receive and to provide the required system voltages of circuit in the body 110 from the USB (universal serial bus) connectivity port.Temperature sensor 140, temperature regulator 150 and temperature-control circuit 160 all are disposed in the body, and can be disposed on the same machine plate.
Temperature-control circuit 160 couples temperature sensor 140 and temperature regulator 150, and with the measured temperature of foundation temperature sensor 140, whether control temperature regulator 150 regulates the temperature in the body 110.In view of the above, whether temperature regulator 150 control 160 that is subjected to temperature-control circuit regulates temperature in the body 110 with the 140 measured temperature decisions of foundation temperature sensor.And temperature regulator 150 can keep predeterminable range d with temperature sensor 140, to avoid hypotelorism to make temperature sensing be subjected to the influence of temperature regulator 150 and to cause inaccurate.In addition, temperature regulator 150 can dispose near body 110 grip part 110a, to improve the user to thermoregulator susceptibility.
Next then the circuit in the body 110 is illustrated.Fig. 2 is the circuit diagram of the indicator device of Fig. 1.Whether please refer to Fig. 1 and Fig. 2, whether power switch 130 is coupled between joint 120 and the temperature-control circuit 160, provide to temperature-control circuit 160 with the control system voltage vcc, control temperature-control circuit 160 by this and move.Temperature-control circuit 160 comprises resistance R 1 (the 3rd resistance), R2 (first resistance), R3 (the 4th resistance), R4 (second resistance), R5 (the 5th resistance), the first operational amplifier OP1, second operational amplifier OP2 and the switch SW.Temperature sensor 140 is an example at this thermistor with negative temperature coefficient, and temperature sensor 140 is coupled between the positive input terminal of the power switch 130 and the first operational amplifier OP1.Resistance R 1 temperature sensor 140 in parallel is to adjust the amplitude of temperature sensor 140 change in resistance.Resistance R 2 is coupled between the positive input terminal and ground voltage of the first operational amplifier OP1, to carry out dividing potential drop with temperature sensor 140 and resistance R 1.Resistance R 3 resistance in series R4, and resistance R 3 and R4 are coupled between the negative input end and ground voltage of the first operational amplifier OP1.
The positive input terminal of the second operational amplifier OP2 couples the positive input terminal of the first operational amplifier OP1, the negative input end of the second operational amplifier OP2 couples the output terminal of the first operational amplifier OP1, and the output terminal of the second operational amplifier OP2 is understood output reference voltage Vref and coupled the five terminal O5 of switch SW.Resistance R 5 is coupled between the 6th end O6 of the output terminal of the first operational amplifier OP1 and switch SW.The first common ends C1 of switch SW couples its 3rd common ends C3, its second common ends C2 couples ground voltage, its first end O1 couples an end of its 4th end O4 and temperature regulator 150, its second end O2 couples the other end of its 3rd end O3 and temperature regulator 150, and wherein temperature regulator 150 can be semiconductor refrigerating/heat element.One end of resistance R 6 couples the first end O1 of switch SW, and its other end couples the negative electrode of green LED 170 and the anode of red light emitting diodes 180.The negative electrode of the anode of green LED 170 and red light emitting diodes 180 is coupled to the second end O2 of switch SW jointly.
Because temperature sensor 140 is to be example with the thermistor, its resistance can be carried out dividing potential drop with resistance R 2, and compares with voltage on resistance R 3 and the R4, therefore, if adjust the reference point that the resistance of resistance R 2 and R4 just can be adjusted temperature sensor 140 comparisons.In other words, the resistance of adjusting resistance R 2 and R4 just can be adjusted temperature sensor 140 in order to preset temperature relatively.And, carrying out the adjustment of preset temperature for the convenience of the users, resistance R 2 and R4 can utilize variable resistor to realize.
When the temperature step-down in the body 110, the resistance of temperature sensor 140 can increase, and the voltage level of the positive input terminal of the operational amplifier OP1 that wins can be descended.When the voltage level of the positive input terminal of the first operational amplifier OP1 during less than the voltage level of its negative input end, the voltage level of first operational amplifier OP1 output can be near ground voltage (being considered as low voltage level).At this moment, the voltage level of the positive input terminal of the second operational amplifier OP2 is greater than the voltage level of its negative input end, and the reference voltage Vref that causes the second operational amplifier OP2 to export can be high-voltage level (that is first level).And the first common ends C1 of switch SW couples its first end O1, and the second common ends C2 of switch SW couples its 3rd end O3, and the 3rd common ends C3 of switch SW couples its five terminal O5.Therefore, reference voltage Vref can be exported to an end of temperature regulator 150 by the first end O1 of switch SW, the 3rd end O3 that the other end of temperature regulator 150 then sees through switch SW couples ground voltage, causes temperature regulator 150 to receive positive voltage and heats to increase the temperature in the body 110.At this moment, red light emitting diodes 180 can forward carry out luminous, in just heating with prompting user temperature regulator 150.
When the temperature in the body 110 uprised, the resistance of temperature sensor 140 can reduce, and the voltage level of the positive input terminal of the operational amplifier OP1 that wins can be risen.When the voltage level of the positive input terminal of the first operational amplifier OP1 during greater than the voltage level of its negative input end, the voltage level of first operational amplifier OP1 output can be near system voltage (being considered as high-voltage level).At this moment, the voltage level of the positive input terminal of the second operational amplifier OP2 is less than the voltage level of its negative input end, and the reference voltage Vref that causes the second operational amplifier OP2 to export can be low voltage level (that is second level).And the first common ends C1 of switch SW couples its second end O2, and the second common ends C2 of switch SW couples its 4th end O4, and the 3rd common ends C3 of switch SW couples its 6th end O6.Therefore, the voltage of first operational amplifier OP1 output can be exported to the other end of temperature regulator 150 by the second end O2 of switch SW, the 4th end O4 that one end of temperature regulator 150 then sees through switch SW couples ground voltage, causes temperature regulator 150 to receive negative voltage and freezes to reduce the temperature in the body 110.At this moment, green LED 170 can forward carry out luminous, in just freezing with prompting user temperature regulator 150.
In other embodiments, because the element that uses and the demand difference of circuit design can be omitted resistance R 1, R3, R5 or its combination, its constant-temperature circuit equally can be according to the temperature in 140 sensed temperature adjustment of temperature sensor body 110.And the color of above-mentioned light emitting diode and function can be changed according to deviser and user's demand.
Comprehensive the above, the indicator device of the utility model embodiment and constant-temperature circuit thereof, see through temperature sensor and record the interior temperature of indicator device, when the temperature in the indicator device is low, temperature regulator can heat to increase temperature, when the temperature in the indicator device was higher, temperature regulator can freeze to reduce temperature.By this, scalable and keep temperature in the indicator device at preset temperature.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the structure that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1, a kind of constant-temperature circuit is applicable to an indicator device, it is characterized in that comprising:
One temperature sensor couples a system voltage, and according to its resistance value of the temperature change in this indicator device;
One first operational amplifier, the positive input terminal of this first operational amplifier couples this temperature sensor;
One first resistance is coupled between the positive input terminal and a ground voltage of this first operational amplifier;
One second resistance is coupled between the negative input end and this ground voltage of this first operational amplifier;
One second operational amplifier, the positive input terminal of this second operational amplifier couples the positive input terminal of this first operational amplifier, the negative input end of this second operational amplifier couples the negative input end of this first operational amplifier, and the output terminal of this second operational amplifier is exported a reference voltage;
One switch, has one first common ends, one second common ends, one the 3rd common ends, one first end, one second end, one the 3rd end, one the 4th end, one five terminal and one the 6th end, wherein this first common ends couples the 3rd common ends, this second common ends couples this ground voltage, this five terminal couples the output terminal of this second operational amplifier, this first end couples the 4th end, this second end couples the 3rd end, the 6th end couples the output terminal of this first operational amplifier, when reference voltage is one first level, this first common ends couples this first end, and this second common ends couples the 3rd end, and the 3rd common ends couples this five terminal, when reference voltage is one second level, this first common ends couples this second end, and this second common ends couples the 4th end, and the 3rd common ends couples the 6th end;
One temperature regulator is coupled between first end and second end of this switch, and the temperature of whether regulating this indicator device according to the decision of the voltage that received;
One the 3rd resistance, this temperature sensor of coupled in parallel;
One the 4th resistance is coupled between the negative input end and this second resistance of this first operational amplifier; And
One the 5th resistance is coupled between the 6th end of the output terminal of this first operational amplifier and this switch.
2, constant-temperature circuit according to claim 1 is characterized in that wherein this temperature sensor is a thermistor.
3, constant-temperature circuit according to claim 1 is characterized in that wherein this first resistance and this second resistance are a variable resistor.
4, constant-temperature circuit according to claim 1, it is characterized in that wherein this temperature regulator is a semiconductor refrigerating/heating element, this semiconductor refrigerating/heat element to heat when receiving positive voltage, this semiconductor refrigerating/heating element freezes when receiving negative voltage.
5, constant-temperature circuit according to claim 1 is characterized in that wherein this system voltage is provided by a USB (universal serial bus) connectivity port.
6, constant-temperature circuit according to claim 1 is characterized in that wherein this indicator device is a mouse.
7, a kind of indicator device is characterized in that comprising:
One body has a grip part;
One temperature sensor is disposed in this body;
One temperature regulator is disposed in this body and close this grip part, and couples this temperature sensor, with according to the measured temperature of this temperature sensor, determines whether to adjust the temperature in this body; And
One temperature-control circuit is disposed in this body, is coupled between this temperature sensor and this temperature regulator, with according to the measured temperature of this temperature sensor, controls this temperature regulator and whether adjusts the interior temperature of this body.
8, indicator device according to claim 7 is characterized in that wherein this temperature sensor is a thermistor.
9, indicator device according to claim 7, it is characterized in that wherein this temperature regulator is a semiconductor refrigerating/heating element, this semiconductor refrigerating/heat element to heat when receiving positive voltage, this semiconductor refrigerating/heating element freezes when receiving negative voltage.
10, indicator device according to claim 7 is characterized in that wherein this temperature sensor and this temperature regulator are at a distance of a predeterminable range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200760362U CN201429803Y (en) | 2009-06-10 | 2009-06-10 | Pointer device and constant temperature circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200760362U CN201429803Y (en) | 2009-06-10 | 2009-06-10 | Pointer device and constant temperature circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201429803Y true CN201429803Y (en) | 2010-03-24 |
Family
ID=42033543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200760362U Expired - Fee Related CN201429803Y (en) | 2009-06-10 | 2009-06-10 | Pointer device and constant temperature circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201429803Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513782A (en) * | 2012-06-20 | 2014-01-15 | 鸿富锦精密工业（深圳）有限公司 | Mouse |
| CN103513796A (en) * | 2013-10-21 | 2014-01-15 | 中国石油大学(华东) | Thermoregulation type human engineering mouse |
-
2009
- 2009-06-10 CN CN2009200760362U patent/CN201429803Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513782A (en) * | 2012-06-20 | 2014-01-15 | 鸿富锦精密工业（深圳）有限公司 | Mouse |
| CN103513796A (en) * | 2013-10-21 | 2014-01-15 | 中国石油大学(华东) | Thermoregulation type human engineering mouse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20130610 |