CN101214810A - Spray water electric heater for automobile windshield wiper - Google Patents
Spray water electric heater for automobile windshield wiper Download PDFInfo
- Publication number
- CN101214810A CN101214810A CNA2008100138340A CN200810013834A CN101214810A CN 101214810 A CN101214810 A CN 101214810A CN A2008100138340 A CNA2008100138340 A CN A2008100138340A CN 200810013834 A CN200810013834 A CN 200810013834A CN 101214810 A CN101214810 A CN 101214810A
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- ptc heater
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Abstract
An electric heater of the spraying water for vehicles wiper comprises a water inlet pipe and a water outlet pipe of a PTC heater, a casing, an interface of a control cable of a large current contactor, an interface of the power cable of the PTC heater, a fixed interface and a control circuit. In the control circuit, a wiper motor, a motor for spraying water, a large current contactor and a PTC heater are connected with the cathode of power supply in parallel. The PTC heater is connected with the anode of the power supply via the switch of the contactor. The large current contactor and the motor for spraying water are connected with the anode of the power supply via the switch of the motor for spraying water respectively. The wiper motor is connected with the anode of the power supply via the switch of the wiper. The interface of the power cable of the PTC heater is positioned in parallel at the center of one end of the casing. The interfaces of the control cable of the large current contactor are positioned at the external sides of the interface of the power cable of the PTC heater respectively. The water inlet pipe and the water outlet pipe of the PTC heater are positioned in parallel on the side of the other end of the casing. The invention has the advantages of the reasonable design of the entire structure, small volume, automatically keeping constant temperature and rapid heating, high thermal efficiency, good safety performance and long service life.
Description
Technical field:
The utility model relates to the automobile electrical thermic devices, relates in particular to spray water electric heater for automobile windshield wiper.
Background technology:
In the winter of cold, be placed on outdoor and traveling automobile in misty rain weather, easily tie the thick frost of one deck on its Windshield, bring very big inconvenience to people's trip of driving, and there is a potential safety hazard, usually the way of people's solution is hot water to be watered make it above the glass to melt away, and constantly parking wiping in driving process.
Summary of the invention:
The objective of the invention is to, overcome the deficiencies in the prior art part, a kind of spray water electric heater for automobile windshield wiper is provided, make the water of ejection can be heated to the 40-60 degree rapidly, thereby can easily frost be wiped with rain brush, greatly facilitate people and drive a vehicle in winter.
Spray water electric heater for automobile windshield wiper of the present invention, including PTC heater water inlet pipe and water outlet pipe, shell, big contactor control line interface, PTC heater electric source line interface, fixed interface and control circuit forms, K1 is the rain brush switch in the said control circuit, K2 is the water spray motor switch, M1 is the rain brush motor, and M2 is the water spray motor, and JK is big contactor, Jk is a switch on the contactless switch, and FR is a PTC heater.Said shell is the body supports part of spray water electric heater for automobile windshield wiper of the present invention, integral body is cuboid, it can be metal matter shell, also can be plastics matter shell, the end at shell be set side by side with the PTC heater electric source line interface between two parties, the outside, both sides at the PTC heater electric source line interface, be respectively arranged with big contactor control line interface, on the side of the shell other end, be set side by side with the coolant inlet pipe and the coolant outlet pipe of PTC heater as both positive and negative polarity.On side of shell, be provided with fixed interface, be used for the fixing of shell and automobile.Also be in order to improve the safety performance of temperature booster, preventing is not having under the situation of water the dry combustion method situation of catching fire, the present invention has adopted high-tech product PTC thermally dependent resistor to do heat element, this element has the automatic constant-temperature function, there is being under the situation of water resistance lower, can satisfy the needs of high-power Fast Heating, when lack of water, this element self temperature is elevated to rapidly about 250 degree, this moment, resistance increased severely more than several thousand to several ten thousand times suddenly, make it power and quickly fall to the level of keeping 250 degree constant temperature, reach the effect of automatic constant-temperature, thereby can effectively prevent the temperature of heating elements generations that cause the phenomenon of catching fire out of control such as similar resistor wire and quartz tube.
Spray water electric heater for automobile windshield wiper of the present invention includes shell, PTC heater, big contactor three parts composition.Wherein PTC heater is made by being tightly linked with the aluminium heat-sink shell, the PTC heat element that have several mutual conduction of flowing water passage by serving as electrode, said shell is a hard shell, can adopt metal or plastic material to make, unit design is reasonable, have that volume is little, automatic constant-temperature, firing rate is fast, heat efficiency is high characteristics, safety performance is good, life-span is long, be a kind of high-tech product, but in addition the PTC heater electrode by receiving on the automobile power source with big contactor with being connected direct convenience.
In use, only need the water inlet and the water outlet of spray water electric heater for automobile windshield wiper of the present invention are inserted in the windshield wiper water jet standpipe simply, connect control path simultaneously and the PTC heater circuit can use, when water spray starts, heater line is also connected simultaneously, current are heated to the 40-60 degree during by this temperature booster rapidly, so that can remove frost on the windshield quickly and efficiently in winter.Spray water electric heater for automobile windshield wiper integral structure of the present invention is simple, easy to install and use, safe and reliable.
Description of drawings:
Accompanying drawing 1 is the structural representation of spray water electric heater for automobile windshield wiper of the present invention; Accompanying drawing 2 is schematic diagrams of control circuit.The big contactor control line of 1-PTC heater water inlet pipe and water outlet pipe 2-shell 3-interface 4-PTC heater electric source line interface 5-fixed interface
The specific embodiment:
Referring now to accompanying drawing 1 and accompanying drawing 2, be described as follows in conjunction with the embodiments: spray water electric heater for automobile windshield wiper of the present invention, including PTC heater water inlet pipe and water outlet pipe 1, shell 2, big contactor control line interface 3, PTC heater electric source line interface 4, fixed interface 5 and control circuit forms, K1 is the rain brush switch in the said control circuit, and K2 is the water spray motor switch, and M1 is the rain brush motor, M2 is the water spray motor, JK is big contactor, and Jk is a switch on the contactless switch, and FR is a PTC heater.In the control circuit, rain brush motor M1, water spray motor M2, big contactor JK and PTC heater FR are connected in parallel on the negative pole end of power supply, and PTC heater FR is connected with the positive pole of power supply by switch Jk on the contactless switch; Big contactor JK is connected with positive source by water spray motor switch K2 separately with water spray motor M2; Rain brush motor M1 then is connected with positive source by rain brush K switch 1.The body supports part that said shell 2 is spray water electric heater for automobile windshield wiper of the present invention, integral body is cuboid, it can be metal matter shell, it also can be plastics matter shell, end at shell, be set side by side with PTC heater electric source line interface 4 between two parties, the outside, both sides at PTC heater electric source line interface 4, be respectively arranged with big contactor control line interface 3, on the side of shell 2 other ends, be set side by side with PTC heater water inlet pipe and water outlet pipe 1 as both positive and negative polarity, said water inlet pipe and water outlet pipe, do not need to carry out concrete qualification, get wherein any and be coolant inlet pipe, another is exactly a coolant outlet pipe.On 2 one sides of shell, be provided with fixed interface 5, be used for the fixing of shell 2 and automobile.Also be in order to improve the safety performance of temperature booster, preventing is not having under the situation of water the dry combustion method situation of catching fire, the present invention has adopted high-tech product PTC thermally dependent resistor to do heat element, this element has the automatic constant-temperature function, there is being under the situation of water resistance lower, can satisfy the needs of high-power Fast Heating, when lack of water, this element self temperature is elevated to rapidly about 250 degree, this moment, resistance increased severely more than several thousand to several ten thousand times suddenly, make it power and quickly fall to the level of keeping 250 degree constant temperature, reach the effect of automatic constant-temperature, thereby can effectively prevent the temperature of heating elements generations that cause the phenomenon of catching fire out of control such as similar resistor wire and quartz tube.
Spray water electric heater for automobile windshield wiper of the present invention includes shell 2, PTC heater FR and big contactor JK three parts and forms.Wherein PTC heater FR is made by being tightly linked with the aluminium heat-sink shell, the PTC heat element that have several mutual conduction of flowing water passage by serving as electrode, said shell 2 is hard shells, can adopt metal or plastic material to make, unit design is reasonable, have that volume is little, automatic constant-temperature, firing rate is fast, heat efficiency is high characteristics, safety performance is good, life-span is long, be a kind of high-tech product, but in addition the PTC heater electrode by receiving on the automobile power source with big contactor with being connected direct convenience.
In use, only need the water inlet and the water outlet of spray water electric heater for automobile windshield wiper of the present invention are inserted in the windshield wiper water jet standpipe simply, connect control path simultaneously and the PTC heater circuit can use, when water spray starts, heater line is also connected simultaneously, current are heated to the 40-60 degree during by this temperature booster rapidly, so that can remove frost on the windshield quickly and efficiently in winter.Spray water electric heater for automobile windshield wiper integral structure of the present invention is simple, easy to install and use, safe and reliable.
Claims (2)
1. spray water electric heater for automobile windshield wiper, an end that it is characterized in that shell, be set side by side with PTC heater electric source line interface (4) between two parties, the outside, both sides at PTC heater electric source line interface (4), be respectively arranged with big contactor control line interface (3) as both positive and negative polarity, on the side of shell (2) other end, be set side by side with PTC heater water inlet pipe and water outlet pipe (1), said water inlet pipe and water outlet pipe, wherein any is a coolant inlet pipe, and another is exactly a coolant outlet pipe, on (2) sides of shell, be provided with fixed interface (5), be used for the fixing of shell (2) and automobile.
2. spray water electric heater for automobile windshield wiper according to claim 1, it is characterized in that in the control circuit, rain brush motor M1, water spray motor M2, big contactor JK and PTC heater FR are connected in parallel on the negative pole end of power supply, and PTC heater FR is connected with the positive pole of power supply by switch Jk on the contactless switch; Big contactor JK is connected with positive source by water spray motor switch K2 separately with water spray motor M2; Rain brush motor M1 then is connected with positive source by rain brush K switch 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100138340A CN101214810A (en) | 2008-01-11 | 2008-01-11 | Spray water electric heater for automobile windshield wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100138340A CN101214810A (en) | 2008-01-11 | 2008-01-11 | Spray water electric heater for automobile windshield wiper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101214810A true CN101214810A (en) | 2008-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100138340A Pending CN101214810A (en) | 2008-01-11 | 2008-01-11 | Spray water electric heater for automobile windshield wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101214810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8938846B2 (en) | 2009-08-13 | 2015-01-27 | Volvo Construction Equipment Ab | Screen wiper arrangement |
| CN113242818A (en) * | 2018-12-19 | 2021-08-10 | 罗伯特·博世有限公司 | Wiper blade, in particular for a motor vehicle |
-
2008
- 2008-01-11 CN CNA2008100138340A patent/CN101214810A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8938846B2 (en) | 2009-08-13 | 2015-01-27 | Volvo Construction Equipment Ab | Screen wiper arrangement |
| CN113242818A (en) * | 2018-12-19 | 2021-08-10 | 罗伯特·博世有限公司 | Wiper blade, in particular for a motor vehicle |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080709 |