CN205220774U - Car steering wheel that keeps warm - Google Patents
Car steering wheel that keeps warm Download PDFInfo
- Publication number
- CN205220774U CN205220774U CN201521071692.5U CN201521071692U CN205220774U CN 205220774 U CN205220774 U CN 205220774U CN 201521071692 U CN201521071692 U CN 201521071692U CN 205220774 U CN205220774 U CN 205220774U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric heating
- heating piece
- bearing circle
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a car steering wheel that keeps warm, includes steering wheel, electric heat piece and control by temperature change circuit, post one deck electric heat piece on the wheel rim of steering wheel, the electric heat piece is connected on the control by temperature change circuit, the control by temperature change circuit include thermostatic control resistance and low temperature starting resistance, thermostatic control resistance and low temperature starting resistance are thermistor, thermostatic control resistance be close to the electric heat piece, low temperature starting resistance, thermistor is kept away from to the mounted position, makes it not receive the interference of electric heat piece temperature, low temperature starting resistance and thermostatic control resistance are connected to the output level of the input of logic gate, common control logic door respectively, the transistor is connected to the output of logic gate, and whether transistor control electric heat piece switches on. The utility model has the advantages of it is cold -proof, energy -conserving.
Description
Technical field
The utility model belongs to vehicular spare parts, is related specifically to a kind of automobile heat preservation bearing circle.
Background technology
At the winter driving automobile of cold, because holding bearing circle, outside exposed again, suffer from cold unavoidably, also can not feel like oneself simultaneously, impact is driven; Although most car is all furnished with air-conditioning, unlatching air-conditioning is in one's hands experiences the warm needs longer time; Hand is worn gloves and is driven, namely inconvenient, also can affect driving.
Summary of the invention
In order to solve the cold problem of hand of driving described winter above, the utility model provides a kind of automobile heat preservation bearing circle, has warming, energy-conservation effect.
The utility model solves the technical scheme that its technical matters adopts:
A kind of automobile heat preservation bearing circle, comprises bearing circle, electric heating piece and temperature control circuit.It is characterized in that: on the wheel rim of bearing circle, post one deck electric heating piece, electric heating piece is connected on temperature control circuit.Described temperature control circuit comprises thermostatic control resistance and cold-starting resistance, and thermostatic control resistance and cold-starting resistance are all thermally dependent resistors.Described thermostatic control resistance near electric heating piece, as the thermally dependent resistor keeping bearing circle warming temperature; Described cold-starting resistance, as measuring external temperature and whether enabling the thermally dependent resistor of temperature control circuit, cold-starting resistance installation site, away from thermally dependent resistor, makes it not by the interference of electric heating piece temperature.
Described temperature control circuit also comprises transistor, logical gate; Cold-starting resistance and thermostatic control resistance are connected respectively to the input end of logical gate, the outgoing level of co-controlling logical gate; The mouth of logical gate connects transistor, and whether transistor controls electric heating piece is energized.
The beneficial effects of the utility model are mainly manifested in: practical, have warming, energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is the circuit diagram of a kind of embodiment of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 ~ 2, a kind of embodiment of the present utility model is further described.
A kind of automobile heat preservation bearing circle, comprises bearing circle, electric heating piece and temperature control circuit.As shown in Figure 1, the wheel rim 1 of bearing circle posts one deck electric heating piece 2, the side of electric heating piece 2 is provided with thermostatic control resistance Rh1; Thermostatic control resistance Rh1 is for detecting the temperature after electric heating piece heating.Cold-starting resistance Rh2 and burner on light D1 is provided with again in the centre of bearing circle; Cold-starting resistance Rh2 for detecting external temperature, i.e. vehicle interior temperature.Described thermostatic control resistance Rh1 and cold-starting resistance Rh2 is connected respectively to input end Q1-a and Q1-b of logical gate Q1, and the mouth of logical gate Q1 connects transistor T1, and controls electric heating piece 2 whether electrified regulation by transistor T1.
Described logical gate Q1, its input end Q1-a also connects variable resistance Rw1, thermostat temperature when variable resistance Rw1 is for regulating electric heating piece 2 to heat, another input end Q1-b also connects variable resistance Rw2, and variable resistance Rw2 is used for the minimum temperature that regulating circuit starts.The minimum temperature of startup regulates and is set to 15 DEG C by present embodiment, and constant temperature adjustment during heating is set to 37 DEG C.
Logical gate Q1 recited above adopts AND circuit, and described thermostatic control resistance Rh1 and cold-starting resistance Rh2 is thermally dependent resistor.
Described temperature control circuit, as shown in Figure 2, wherein the power supply of circuit is connected with the power supply of automobile its each element connecting circuit.
Introduce the working process of temperature control circuit below:
1) when vehicle interior temperature is higher than 15 DEG C, cold-starting resistance Rh2 resistance is low, and the input end Q1-b of logical gate Q1 is low level; Now no matter how the input end Q1-a level of logical gate Q1 changes, and the mouth of logical gate Q1 is all low level, and electric heating piece does not always generate heat.Therefore, cold-starting resistance Rh2 defines ability opening temp. control circuit under the weather of low temperature;
2) when vehicle interior temperature is lower than 15 DEG C, cold-starting resistance Rh2 resistance is high, and the input end Q1-b of logical gate Q1 is high level; Now the outgoing level of logical gate Q1 is determined by the level of input end Q1-a.Thermostatic control resistance Rh1 resistance is high, and the input end Q1-a of logical gate Q1 is high level, and logical gate Q1 exports high level, transistor T1 conducting, and electric heating piece 2 generates heat, and burner on light D1 lights; After heating a period of time, thermostatic control resistance Rh1 reaches 37 DEG C because being heated, and resistance reduces, and the input end Q1-a level upset of logical gate Q1 is low level, and logical gate Q1 also output low level, electric heating piece 2 stops heating, and burner on light D1 extinguishes.After stopping heating, temperature slowly falls after rise again, and thermostatic control resistance Rh1 resistance raises again, and electric heating piece 2 starts again heating.Circulation like this, reaches the function of relative constant-temperature warm-keeping.
Steering wheel rim recited above, is also provided with one deck leather sheath or weaves cotton cloth and protected in the outside of electric heating piece 2.
Above-described is only a kind of embodiment of the present utility model, and to one skilled in the art, under the prerequisite not departing from the utility model principle, some changes made, all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. an automobile heat preservation bearing circle, comprises bearing circle, electric heating piece and temperature control circuit; It is characterized in that: on the wheel rim of bearing circle, post one deck electric heating piece, electric heating piece is connected on temperature control circuit; Described temperature control circuit comprises thermostatic control resistance and cold-starting resistance, and thermostatic control resistance and cold-starting resistance are all thermally dependent resistors; Described thermostatic control resistance near electric heating piece, as the thermally dependent resistor keeping bearing circle warming temperature; Described cold-starting resistance, as measuring external temperature and whether enabling the thermally dependent resistor of temperature control circuit, cold-starting resistance installation site, away from thermally dependent resistor, makes it not by the interference of electric heating piece temperature;
Described temperature control circuit also comprises transistor, logical gate; Cold-starting resistance and thermostatic control resistance are connected respectively to the input end of logical gate, the outgoing level of co-controlling logical gate; The mouth of logical gate connects transistor, and whether transistor controls electric heating piece is energized.
2. a kind of automobile heat preservation bearing circle according to claim 1, it is characterized in that: described logical gate, an one input end Q1-a also connects variable resistance Rw1, thermostat temperature when variable resistance Rw1 is for regulating electric heating piece to heat, another input end Q1-b also connects variable resistance Rw2, and variable resistance Rw2 is used for the minimum temperature that regulating circuit starts.
3. a kind of automobile heat preservation bearing circle according to claim 1, it is characterized in that: described temperature control circuit, the power supply of its circuit is connected with the power supply of automobile.
4. a kind of automobile heat preservation bearing circle according to claim 1, is characterized in that: be also provided with burner on light D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071692.5U CN205220774U (en) | 2015-12-21 | 2015-12-21 | Car steering wheel that keeps warm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521071692.5U CN205220774U (en) | 2015-12-21 | 2015-12-21 | Car steering wheel that keeps warm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220774U true CN205220774U (en) | 2016-05-11 |
Family
ID=55895860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521071692.5U Expired - Fee Related CN205220774U (en) | 2015-12-21 | 2015-12-21 | Car steering wheel that keeps warm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205220774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383546A (en) * | 2015-12-21 | 2016-03-09 | 陈丽珍 | Automotive warm-keeping steering wheel |
-
2015
- 2015-12-21 CN CN201521071692.5U patent/CN205220774U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383546A (en) * | 2015-12-21 | 2016-03-09 | 陈丽珍 | Automotive warm-keeping steering wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20171221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |