WO2019163469A1 - Élément chauffant électrique pour véhicules - Google Patents

Élément chauffant électrique pour véhicules Download PDF

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Publication number
WO2019163469A1
WO2019163469A1 PCT/JP2019/003433 JP2019003433W WO2019163469A1 WO 2019163469 A1 WO2019163469 A1 WO 2019163469A1 JP 2019003433 W JP2019003433 W JP 2019003433W WO 2019163469 A1 WO2019163469 A1 WO 2019163469A1
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WIPO (PCT)
Prior art keywords
heating elements
heating element
electric heater
connection member
heating
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PCT/JP2019/003433
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English (en)
Japanese (ja)
Inventor
将吾 近藤
野口　康仁
山田　篤志
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株式会社デンソー
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Publication of WO2019163469A1 publication Critical patent/WO2019163469A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes

Definitions

  • the present disclosure relates to a vehicle electric heater applied to a vehicle air conditioner.
  • Patent Document 1 discloses an electric heater for a vehicle.
  • This electric heater includes a plurality of heater plates and a plurality of fins. Each of the plurality of heater plates and each of the plurality of fins are alternately arranged.
  • Each of the plurality of heater plates has two heating elements. The two heating elements are supported by a support member. The two heating elements are arranged in the extending direction of the heater plate. Each of the two heating elements is individually electrically connected to the control unit. For this reason, the control unit can individually control the energization amounts of the two heating elements.
  • the electric heater is mounted on the vehicle with the extending direction of each of the plurality of heater plates as a lateral direction. Even in this case, according to this electric heater, the temperature of the heating element can be controlled separately in one side region and the other side region in the air heating region of the electric heater. For this reason, the temperature of the heated air can be varied between the one side region and the other side region in the lateral direction. That is, the temperature of the blown-out air blown into the passenger compartment can be made different between the driver seat side and the passenger seat side.
  • each of a plurality of heater plates has three or more heating elements sandwiched between two electrode plates. The plurality of heating elements are supported by a support member. The plurality of heating elements are arranged in a line in the extending direction of the heater plate. In this electric heater, a plurality of heating elements in one heater plate are electrically connected to the control unit via a common electrode plate.
  • the energization amount of each heating element can be controlled for each heater plate. Furthermore, in the electric heater of Patent Document 1, it is possible to separately control one energization amount and the other energization amount of the two heating elements in one heater plate.
  • all the heating elements provided in the electric heater are divided into smaller areas than the two conventional electric heaters described above, and each heat generation is performed for each desired area. It is desirable to be able to control the energization amount of the body.
  • This disclosure aims to provide an electric heater for a vehicle that can control the energization amount of each heating element for each region finer than a conventional electric heater.
  • the electric heater for vehicles applied to the vehicle air conditioner is A first heating element group having three heating elements supported by the first support member and generating heat when energized; A second heating element group having three heating elements that are supported by a second supporting member separate from the first supporting member and generate heat when energized; A control unit for individually controlling the energization amounts of the three heating elements of the first heating element group and the energization amounts of the three heating elements of the second heating element group; A first connection member for electrically connecting each of the three heating elements of the first heating element group to the control unit individually; And a second connecting member that electrically connects each of the three heating elements of the second heating element group to the control unit individually.
  • the energization amounts of the three heating elements of the first heating element group can be individually controlled, and the energization amounts of the three heating elements of the second heating element group are individually controlled. be able to. Therefore, the energization amount of each heating element can be controlled for each region finer than that of the conventional electric heater.
  • FIG. 3 is a front view of the heater plate as viewed from an arrow III in FIG. 2.
  • FIG. 4 is a cross-sectional view of the heater plate taken along line VI-VI in FIG. 3.
  • FIG. 5 is a cross-sectional view of the heater plate taken along the line VV in FIG. 3.
  • FIG. 4 is a cross-sectional view of the heater plate taken along line VI-VI in FIG. 3.
  • FIG. 4 is a cross-sectional view of the heater plate taken along the line VII-VII in FIG. 3.
  • FIG. 4 is a front view of a plurality of heating elements and a resin frame in the heater plate of FIG. 3.
  • FIG. 11 is a cross-sectional view of the heater plate taken along the line XI-XI in FIG. 10.
  • the electric heater for vehicles of this embodiment is applied to the vehicle air conditioner mounted in EHV (namely, electric vehicle) and PHEV (namely, plug-in hybrid electric vehicle).
  • EHV electric vehicle
  • PHEV plug-in hybrid electric vehicle
  • the vehicle electric heater is simply referred to as an electric heater.
  • the electric heater of this embodiment is used as a main heat source for heating.
  • the heat dissipation amount of the electric heater of this embodiment is 3 kW or more and 12 kW or less.
  • an electric heater mounted on an automobile traveling with an engine is used as an auxiliary heat source for heating in a vehicle air conditioner.
  • the heat radiation amount of the electric heater used as an auxiliary heat source for heating is 2 kW or less.
  • the vehicle air conditioner 1 includes an air conditioning case 2, an evaporator 3, and an electric heater 10.
  • the air conditioning case 2 forms an air passage through which air traveling toward the passenger compartment passes.
  • the evaporator 3 is disposed inside the air conditioning case 2.
  • the evaporator 3 is a cooler that cools air by heat exchange between the refrigerant of the refrigeration cycle and air.
  • the electric heater 10 is disposed on the air flow downstream side of the evaporator 3 in the air conditioning case 2.
  • the electric heater 10 is arranged so that all of the air that has passed through the evaporator 3 passes.
  • the electric heater 10 is a heater that heats the air that has passed through the evaporator 3.
  • the electric heater 10 includes a plurality of heater plates 12, a plurality of fins 14, and a heater frame portion 16.
  • Each of the plurality of heater plates 12 is configured as a separate body.
  • Each of the plurality of heater plates 12 has a heating element group 122.
  • Each heating element group 122 includes a plurality of heating elements 122a, 122b, 122c, and 122d.
  • the heater frame 16 constitutes the outer shape of the electric heater 10.
  • Each of the plurality of heater plates 12 is arranged in a row in the horizontal direction with the longitudinal direction of the heater plate 12 being the vertical direction.
  • Each of the plurality of heater plates 12 is arranged with a space from the adjacent heater plate 12.
  • Each of the plurality of fins 14 is disposed between adjacent heater plates 12 among the plurality of heater plates 12.
  • the plurality of heater plates 12 heats air passing between adjacent heater plates 12 via the plurality of fins 14. Therefore, the area
  • the heater frame 16 is disposed around the plurality of heater plates 12 and the plurality of fins 14.
  • the heater frame portion 16 includes a partition portion 16a that partitions the air heating region into a driver seat side region and a passenger seat side region.
  • the electric heater 10 includes a control unit 18.
  • the control unit 18 individually controls the energization amounts of the plurality of heating elements 122a, 122b, 122c, and 122d of each heater plate 12. Controlling the energization amount includes setting the energization amount to zero. That is, controlling the energization amount includes switching between an energized state and a non-energized state.
  • the control unit 18 includes a control circuit board (not shown) and a switching element (not shown). The control circuit board selects one of the plurality of heating elements 122a, 122b, 122c, and 122d of each heater plate 12 by the switching element, and controls the energization amount of the selected heating element.
  • a part of the electric heater 10 is exposed from the air conditioning case 2. Note that the entire electric heater 10 may be disposed inside the air conditioning case 2.
  • each of the plurality of heater plates 12 will be described. Below, although the structure of one heater plate 12 is demonstrated among the some heater plates 12, the structure of the other heater plate 12 is also the same.
  • the heater plate 12 includes a multilayer substrate 124 and a negative electrode plate 126 in addition to the heating element group 122.
  • the heating element group 122 includes four heating elements 122a, 122b, 122c, and 122d as a plurality of heating elements.
  • the plurality of heating elements 122 a, 122 b, 122 c, 122 d are supported by the resin frame 123.
  • the resin frame 123 is a support member that supports the plurality of heating elements 122a, 122b, 122c, and 122d.
  • the resin frame 123 is a resin molded product integrated with a plurality of heating elements 122a, 122b, 122c, and 122d.
  • the resin frames 123 of the plurality of heater plates 12 are configured separately from each other.
  • Each of the plurality of heating elements 122a, 122b, 122c, and 122d is arranged in a line with a space between adjacent heating elements.
  • the arrangement direction of the plurality of heating elements 122 a, 122 b, 122 c, 122 d coincides with the longitudinal direction of the heater plate 12.
  • Each heating element 122a, 122b, 122c, 122d is a resistance material that generates heat when energized.
  • PTC elements are used as the heating elements 122a, 122b, 122c, and 122d.
  • PTC is an abbreviation for Positive Temperature Coefficient.
  • the PTC element is a positive temperature coefficient thermistor whose temperature rises due to heat generation and whose electrical resistance rapidly increases as the temperature rises above a certain temperature.
  • Each heating element 122a, 122b, 122c, 122d may be a conductor obtained by solidifying a resistance foil or a conductive paste.
  • the multilayer substrate 124 is a connecting member that electrically connects the positive electrode sides of the heating elements 122a, 122b, 122c, and 122d to the control unit 18 individually. As shown in FIGS. 4, 5, 6, and 7, in the multilayer substrate 124, each of the plurality of conductor layers 21 and 22 is laminated via an insulating layer 23. In the present embodiment, the plurality of conductor layers 21 and 22 are two conductor layers of the first conductor layer 21 and the second conductor layer 22. In the multilayer substrate 124, the first conductor layer 21, the first insulating layer 23, the second conductor layer 22, and the second insulating layer 24 are laminated in this order.
  • the first conductor layer 21 includes a plurality of electrode patterns 125a, 125b, 125c, and 125d that are in contact with the plurality of heating elements 122a, 122b, 122c, and 122d, respectively.
  • each of the plurality of electrode patterns 125a, 125b, 125c, and 125d is shown overlapping with each of the plurality of heating elements 122a, 122b, 122c, and 122d.
  • the second conductor layer 22 includes a plurality of wiring patterns 127a, 127b, 127c, and 127d that electrically connect each of the plurality of electrode patterns 125a, 125b, 125c, and 125d to the control unit 18 individually.
  • the first insulating layer 23 is located between the first conductor layer 21 and the second conductor layer 22.
  • a plurality of interlayer connection portions 25a, 25b, 25c, and 25d are formed.
  • Each of the plurality of interlayer connection portions 25a, 25b, 25c, and 25d electrically connects each of the plurality of electrode patterns 125a, 125b, 125c, and 125d and each of the plurality of wiring patterns 127a, 127b, 127c, and 127d.
  • the second insulating layer 24 covers the plurality of wiring patterns 127a, 127b, 127c, 127d.
  • the multilayer substrate 124 has four electrode patterns 125a, 125b, 125c, and 125d as a plurality of electrode patterns.
  • the multilayer substrate 124 has four wiring patterns 127a, 127b, 127c, and 127d as a plurality of wiring patterns.
  • the multilayer substrate 124 has four interlayer connection portions 25a, 25b, 25c, and 25d as a plurality of interlayer connection portions.
  • one heating element 122a is in contact with one electrode pattern 125a.
  • the electrode pattern 125a is electrically connected to one wiring pattern 127a through one interlayer connection portion 25a.
  • another one heating element 122b is in contact with another one electrode pattern 125b.
  • This electrode pattern 125b is electrically connected to another wiring pattern 127b via another interlayer connection portion 25b.
  • another other heating element 122c is in contact with another other electrode pattern 125c.
  • the electrode pattern 125c is electrically connected to another wiring pattern 127c via another other interlayer connection portion 25c.
  • another another heating element 122d is in contact with another other electrode pattern 125d.
  • the electrode pattern 125d is electrically connected to another wiring pattern 127d via another other interlayer connection portion 25d.
  • the respective conductor layers 21 and 22 constituting the multilayer substrate 124 are made of a metal material.
  • Each of the conductor layers 21 and 22 may be made of another conductive material.
  • Each insulating layer 23, 24 is made of ceramics.
  • Each insulating layer 23, 24 may be made of other insulating materials such as resin.
  • the negative electrode plate 126 is in contact with the negative electrode side of each of the heating elements 122a, 122b, 122c, 122d.
  • the negative electrode plate 126 is composed of a single plate made of a conductive material such as a metal material.
  • the negative electrode plate 126 is electrically connected to the control unit 18.
  • the heating element group 122 included in one heater plate 12 among the plurality of heater plates 12 corresponds to a first heating element group.
  • the resin frame 123 included in the heater plate 12 corresponds to a first support member.
  • the multilayer substrate 124 included in the heater plate 12 corresponds to a first connection member.
  • the heating element group 122 included in the other heater plate 12 among the plurality of heater plates 12 corresponds to a second heating element group.
  • the resin frame 123 included in the heater plate 12 corresponds to a second support member that is separate from the first support member.
  • the multilayer substrate 124 included in the heater plate 12 corresponds to a second connection member.
  • the control unit 18 can individually control the energization amounts of the plurality of heating elements 122a, 122b, 122c, and 122d of each heater plate 12. For this reason, as described below, the control unit 18 can cause only a part of the plurality of heating elements 122a, 122b, 122c, and 122d of each heater plate 12 to generate heat. Moreover, the control part 18 can make the one part temperature of several heat generating body 122a, 122b, 122c, 122d of each heater plate 12 differ from other one part temperature. As a matter of course, the control unit 18 can also set all of the plurality of heating elements 122a, 122b, 122c, 122d to a uniform temperature.
  • the control unit 18 selects a plurality of heating elements 122a located in the upper first region A1 from all the heating elements.
  • the control unit 18 sets the energization amount of each heating element 122a located in the first region A1 to a predetermined energization amount greater than zero.
  • Each heating element 122 a located in the first region A ⁇ b> 1 is located on the top in each heater plate 12.
  • the control unit 18 selects the heating elements 122a, 122b, 122c, and 122d located in the second area A2 on the driver seat side from all the heating elements.
  • the control unit 18 sets the energization amount of the heating elements 122a, 122b, 122c, and 122d located in the second region A2 to a predetermined energization amount greater than zero.
  • the heating elements 122 a, 122 b, 122 c, 122 d located in the second area A ⁇ b> 2 are located in the heater plate 12 located in the driver seat side area of the air heating area of the electric heater 10.
  • the driver's seat heating mode is a heating mode in which warm air is blown out only to the driver's seat among the driver's seat and the passenger seat.
  • air passes through a region on the driver seat side in the air heating region.
  • the passing air is heated by the heating elements 122a, 122b, 122c, and 122d located in the second region A2.
  • the heated air is blown out from a foot outlet provided in the passenger compartment to the driver's seat.
  • the control unit 18 selects the heating element 122a located in the third area A3 and the heating element 122c located in the fourth area A4 from all the heating elements. , 122d.
  • the third region A3 is a region on the passenger seat side and on the upper side of the air heating region.
  • the heating element 122a located in the third region A3 is located at the top of the heater plate 12 located in the passenger seat side region in the air heating region.
  • the fourth area A4 is an area on the passenger seat side and the lower half of the air heating area.
  • the heating elements 122c and 122d located in the fourth area A4 are located first and second from the bottom in the heater plate 12 located in the passenger seat side area in the air heating area.
  • the control unit 18 sets the energization amounts of the heating elements 122a located in the third region A3 and the heating elements 122c and 122d located in the fourth region A4 to be a predetermined energization amount greater than zero. Furthermore, the control unit 18 makes the energization amount of the heating elements 122c and 122d located in the fourth area A4 larger than the energization amount of the heating element 122a located in the third area A3.
  • the front passenger's seat and strong foot heating mode is a heating mode in which warm air is blown toward the passenger seat only, and the warm air blown to the feet is higher than the warm air blowing to the upper body. .
  • air passes through the portion of the air heating area of the electric heater 10 on the passenger seat side.
  • the air toward the upper body of the passenger in the passenger seat is heated by the heating element 122a located in the third region A3.
  • the air toward the feet of the passenger in the passenger seat is heated by the heating elements 122c and 122d located in the fourth region A4.
  • warm air is blown out to the upper body of the passenger in the passenger seat. Hot air that is hotter than the hot air blown out to the upper body is blown out to the passenger's feet.
  • the number of vehicles such as EV and PHEV is expected to increase due to the recent electrification. Since conventional automobiles have an engine as the main power, engine cooling water is brought into the passenger compartment and used for heating. However, when the heat source becomes insufficient as the engine efficiency increases, an electric heater is added to secure the heat source. This electric heater is mainly used for early introduction of warm air into the vehicle interior at the beginning of startup. As described above, the purpose of this electric heater is to “get out warm air”.
  • the energization amounts of three or more heating elements cannot be individually controlled in the extending direction of the heater plate.
  • the energization amount of the heating elements can be controlled for each heater plate.
  • the energization amounts of a plurality of heating elements in one heater plate cannot be controlled individually.
  • the energization amount of the heating element can be controlled for each heater plate. Furthermore, it is possible to separately control one energization amount and the other energization amount of the two heating elements in one heater plate. However, only two heating elements are provided on one heater plate. For this reason, the energization amount of the heating element cannot be controlled by dividing it into three or more regions in the extending direction of one heater plate.
  • each of the plurality of heating elements 122a, 122b, 122c, and 122d provided on each of the plurality of heater plates 12 is individually controlled via the multilayer substrate 124. It is electrically connected to the part 18. For this reason, each energization amount of all the heat generating elements 122a, 122b, 122c, and 122d included in the electric heater 10 can be individually controlled.
  • the electric heater 10 of the present embodiment it is possible to increase the degree of freedom in selecting a heating element for which temperature control is desired from among all the heating elements 122a, 122b, 122c, 122d provided in the electric heater 10.
  • the energization amount of each heating element can be controlled for each region that is finer than the conventional electric heater.
  • the energization amount of some of the heating elements may be different from the energization amount of the other heating elements of all the heating elements, as in the passenger seat and foot warming mode. Can be made. For this reason, a temperature difference can be given to two or more blowing winds blown into the vehicle interior. Thereby, compared with the case where each energization amount of all the heat generating bodies is controlled uniformly, comfort can be improved.
  • the mounting orientation of the electric heater that is, whether the extending direction of the heater plate is the vertical direction or the horizontal direction, differs depending on the type of vehicle on which the air conditioner is mounted.
  • each of the plurality of heater plates is arranged in the vertical direction. For this reason, it is possible to divide the air heating area into fine areas in the vertical direction and control the energization amount of each heating element for each desired area. However, it is impossible to divide the air heating area into small areas in the lateral direction and control the energization amount of each heating element for each desired area.
  • the air heating area is divided into fine areas in the vertical direction and the horizontal direction, and each heating element is provided for each desired area. It is possible to control the energization amount of 122a, 122b, 122c, 122d.
  • PWM control is used as energization control of a plurality of heating elements included in each heater plate in order to finely control the amount of heat of each heater plate.
  • the energization amounts of all the heating elements 122a, 122b, 122c, 122d of the electric heater 10 can be individually controlled. For this reason, the output of the electric heater 10 can be finely adjusted without using PWM control.
  • the multilayer substrate 124 of the first embodiment is changed to a single-layer substrate 30.
  • Other configurations of the electric heater 10 are the same as those in the first embodiment.
  • the single-layer substrate 30 has only one conductor layer 32 disposed on the surface of the insulating layer 31 as a conductor layer.
  • the conductor layer 32 includes four electrode patterns 125a, 125b, 125c, and 125d and four wiring patterns 127a, 127b, 127c, and 127d.
  • the conductor layer 32 is made of a metal material.
  • the conductor layer 32 may be made of another conductive material.
  • the insulating layer 31 is made of ceramics.
  • the single layer substrate 30 may have an insulating layer other than the insulating layer 31.
  • each of the four heating elements 122a, 122b, 122c, and 122d provided on each of the plurality of heater plates 12 is individually supplied to the control unit 18 via the single-layer substrate 30. Electrically connected. For this reason, the effect similar to 1st Embodiment is acquired.
  • the single-layer substrate 30 included in one heater plate 12 among the plurality of heater plates 12 corresponds to the first connection member.
  • the single-layer substrate 30 included in the other heater plate 12 among the plurality of heater plates 12 corresponds to the second connection member.
  • the number of heating elements included in one heating element group 122 is four. However, the number of heating elements included in one heating element group 122 may be other numbers as long as it is three or more.
  • Each of at least three heating elements 122a, 122b, and 122c included in one heating element group 122 may be electrically connected to the control unit 18 individually. In this case, the control unit 18 can individually control the energization amounts of the at least three heating elements 122a, 122b, and 122c. Also by this, the energization amount of each heating element can be controlled for each area finer than the conventional electric heater.
  • the multilayer substrate 124 and the single-layer substrate 30 have at least three electrode patterns 125a, 125b, and 125c and at least three wiring patterns 127a, 127b, and 127c.
  • the reference numerals 122a, 122b, and 122c of the three heating elements only exemplify the three heating elements.
  • the reference numerals 125a, 125b, 125c of the three electrode patterns merely illustrate the three electrode patterns.
  • the reference numerals 127a, 127b, and 127c of the three wiring patterns merely illustrate the three wiring patterns.
  • the multilayer substrate 124 has the two conductor layers 21 and 22 as a plurality of conductor layers.
  • the multilayer substrate 124 may have three or more conductor layers as a plurality of conductor layers.
  • one of the plurality of conductor layers includes a plurality of electrode patterns.
  • One or more other conductor layers among the plurality of conductor layers include a plurality of wiring patterns.
  • each of the conductor layers at different positions in the stacking direction of the plurality of conductor layers may constitute each of the plurality of wiring patterns 127a, 127b, 127c, and 127d.
  • each insulating layer of the multilayer substrate 124 may be an insulating film.
  • the insulating film is made of a resin material such as polyimide.
  • the insulating film has flexibility.
  • each conductor layer of the multilayer substrate 124 may be formed by printing and solidifying a conductive paste.
  • the insulating layer 31 of the single-layer substrate 30 may be an insulating film.
  • the conductor layer 32 of the single layer substrate 30 may be formed by printing and solidifying a conductive paste.
  • each wiring pattern 127a, 127b, 127c, 127d included in the conductor layer 32 is connected to each electrode pattern 125a, 125b, 125c, 125d.
  • wires such as copper wires may be connected to the electrode patterns 125a, 125b, 125c, and 125d.
  • the air conditioning case 2 did not have a cold air bypass passage through which the air after passing through the evaporator 3 flows by bypassing the electric heater 10.
  • the air conditioning case 2 may have a cold air bypass passage.
  • a door is provided inside the air conditioning case 2 to switch the air flow after passing through the evaporator 3 to an air flow passing through the cold air bypass passage and an air flow passing through the electric heater 10.
  • the vehicle electric heater applied to the vehicle air conditioner includes a first heat generating member, a second heat generating member, and a control unit. And a first connecting member and a second connecting member.
  • the control unit individually controls the energization amounts of the three heating elements of the first heating element group and the energization amounts of the three heating elements of the second heating element group, respectively.
  • the first connecting member electrically connects each of the three heating elements of the first heating element group individually to the control unit.
  • the second connecting member electrically connects each of the three heating elements of the second heating element group to the control unit individually.
  • the first connecting member is a multilayer substrate in which each of the plurality of conductor layers is laminated via an insulating layer.
  • the second connection member is a multilayer substrate in which each of a plurality of conductor layers is laminated via an insulating layer.
  • the multilayer substrate according to the second aspect can be used.
  • one conductor layer of the plurality of conductor layers of the first connection member includes three electrode patterns in contact with each of the three heating elements of the first heating element group.
  • One or more other conductor layers of the plurality of conductor layers of the first connection member include three wiring patterns that individually electrically connect each of the three electrode patterns of the first connection member to the control unit.
  • One conductor layer of the plurality of conductor layers of the second connection member includes three electrode patterns in contact with each of the three heating elements of the second heating element group.
  • One or more other conductor layers of the plurality of conductor layers of the second connection member include three wiring patterns that individually electrically connect each of the three electrode patterns of the second connection member to the control unit.
  • the multilayer substrate according to the third aspect can be used as the multilayer substrate according to the second aspect.
  • the first connection member is a single-layer substrate in which only one conductor layer is disposed as a conductor layer on the surface of the insulating layer.
  • the second connection member is a single-layer substrate in which only one conductor layer is disposed as a conductor layer on the surface of the insulating layer.
  • the single-layer substrate according to the fourth aspect can be used.
  • the conductor layer of the first connecting member includes three electrode patterns in contact with each of the three heating elements of the first heating element group, and each of the three electrode patterns of the first connecting member. Including three wiring patterns electrically connected to the control unit individually.
  • the conductor layer of the second connection member electrically connects the three electrode patterns in contact with each of the three heating elements of the second heating element group and the three electrode patterns of the second connection member individually to the control unit. Including three wiring patterns.
  • the single-layer substrate according to the fifth aspect can be used.

Abstract

L'invention concerne un élément chauffant électrique pour véhicules, lequel élément est appliqué à un dispositif de climatisation pour véhicules, et lequel comprend : un premier groupe de générateurs de chaleur (122) supporté par un premier élément de support et ayant trois générateurs de chaleur (122a, 122b, 122c) qui génèrent de la chaleur quand ils sont alimentés en électricité ; un second groupe de générateurs de chaleur (122) supporté par un second élément de support qui est un corps séparé du premier élément de support, et ayant trois générateurs de chaleur (122a, 122b, 122c) qui génèrent de la chaleur quand ils sont alimentés en électricité ; une unité de commande (18) qui commande individuellement la quantité d'électricité devant être délivrée à chacun des trois générateurs de chaleur du premier groupe de générateurs de chaleur, et qui commande également individuellement la quantité d'électricité devant être délivrée à chacun des trois générateurs de chaleur du second groupe de générateurs de chaleur ; un premier élément de connexion qui connecte électriquement de façon individuelle chacun des trois générateurs de chaleur du premier groupe de générateurs de chaleur à l'unité de commande ; et un second élément de connexion qui connecte électriquement de façon individuelle chacun des trois générateurs de chaleur du second groupe de générateurs de chaleur à l'unité de commande.
PCT/JP2019/003433 2018-02-21 2019-01-31 Élément chauffant électrique pour véhicules WO2019163469A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-029047 2018-02-21
JP2018029047A JP2019142374A (ja) 2018-02-21 2018-02-21 車両用電気ヒータ

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WO2019163469A1 true WO2019163469A1 (fr) 2019-08-29

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JP2011029088A (ja) * 2009-07-28 2011-02-10 Harison Toshiba Lighting Corp セラミックヒータ、加熱装置、画像形成装置
JP3167509U (ja) * 2011-02-14 2011-04-28 株式会社ヴァレオサーマルシステムズ 車両用空調装置
WO2017131327A1 (fr) * 2016-01-28 2017-08-03 자화전자 주식회사 Dispositif de chauffage ptc à commande indépendante, et dispositif

Patent Citations (3)

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JP2011029088A (ja) * 2009-07-28 2011-02-10 Harison Toshiba Lighting Corp セラミックヒータ、加熱装置、画像形成装置
JP3167509U (ja) * 2011-02-14 2011-04-28 株式会社ヴァレオサーマルシステムズ 車両用空調装置
WO2017131327A1 (fr) * 2016-01-28 2017-08-03 자화전자 주식회사 Dispositif de chauffage ptc à commande indépendante, et dispositif

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