CN109693515A - A kind of new-energy automobile PTC liquid electric heater - Google Patents
A kind of new-energy automobile PTC liquid electric heater Download PDFInfo
- Publication number
- CN109693515A CN109693515A CN201811568033.0A CN201811568033A CN109693515A CN 109693515 A CN109693515 A CN 109693515A CN 201811568033 A CN201811568033 A CN 201811568033A CN 109693515 A CN109693515 A CN 109693515A
- Authority
- CN
- China
- Prior art keywords
- heats
- ptc
- control panel
- upper shell
- shell
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005059 dormancy Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- 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
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2221—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating an intermediate liquid
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
-
- 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
- B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
- B60H2001/224—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters automatic operation, e.g. control circuits or methods
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of new-energy automobile PTC liquid electric heaters, including lower casing, heats, PTC monolithic, CAN control panel, microprocessor, temperature sensor and upper shell, the top of lower casing is equipped with heats, PTC monolithic is installed in heats, the top of heats is equipped with CAN control panel, microprocessor is installed on CAN control panel, PWM drive circuit is installed on CAN control panel, temperature sensor is installed at the water outlet position of the heats, the top of lower casing is equipped with shell, upper shell upper is equipped with waterproof vent valve, CAN interface is installed on the side wall of upper shell.The present invention provides a kind of new-energy automobile PTC liquid electric heaters; pass through the lower casing of setting, heats, PTC monolithic, CAN control panel, microprocessor, temperature sensor and upper shell; it is larger to solve volume; total quality weight; product systems protection it is not perfect, cannot effective regulation power the problem of.
Description
Technical field
The present invention relates to technical field of new energy, specially a kind of new-energy automobile PTC liquid electric heater.
Background technique
Vehicle PTC liquid electric heater, be by heat cycles flow anti-icing fluid come promoted the air themperature in compartment,
Maintaining battery temperature or the Multipurpose electric heater for other required heat sources in the winter of severe cold is air conditioning for automobiles heating system
Reach defrosting laws and regulations requirement with the most important electrical-heating source and automobile of battery heat insulation system and ensures that battery charging and discharging is pacified
Full important component.
But existing vehicle PTC liquid electric heater has the following deficiencies:
1. volume is larger, total quality weight；
2. product systems protection is not perfect, cannot effective regulation power.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of new-energy automobile PTC liquid electric heater, body is solved
Product larger, total quality weight, product systems protection it is not perfect, cannot effective regulation power the problem of.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of new-energy automobile PTC liquid electric heater,
Including lower casing, heats, PTC monolithic, CAN control panel, microprocessor, temperature sensor and upper shell, the lower casing
Top heats is installed, PTC monolithic is installed, the top of the heats is equipped with CAN in the heats
Control panel is equipped with microprocessor on the CAN control panel, is equipped with PWM drive circuit on the CAN control panel, it is described plus
Temperature sensor is installed, the top of the lower casing is equipped with shell, the upper shell at the water outlet position of hot core
Top is equipped with waterproof vent valve, and CAN interface, the CAN interface and CAN control panel electricity are equipped on the side wall of the upper shell
Property connection.
Preferably, the lower part of the lower casing is provided with fixed seat at bottom, sets at the marginal position on the lower casing top
It is equipped with lower bolt joint seat, is mutually agreed at the lower casing and the connecting portion of upper shell, the margin location of the upper outer casing underpart
The place of setting is provided with bolt joint seat, and the lower bolt joint seat on the lower casing passes through with the upper bolt joint seat on upper shell
Fixing bolt is fixedly connected.
Preferably, the upper shell is fixedly connected by the vent valve mounting hole being arranged with waterproof vent valve, described outer
Shell corresponds to and is provided with connection pedestal at CAN interface position, and the upper shell is solid by fixing seat by connection pedestal and CAN interface
Fixed connection, the two sides of the lower casing are provided with resettlement groove, and the snap-gauge of the resettlement groove and upper outer casing underpart mutually agrees with.
Preferably, the two sides of the heats are provided with conveying pipeline, and the heats middle position is provided with
PTC fixed frame, the PTC monolithic are placed on the PTC fixed frame being arranged in heats, the PTC monolithic and PTC fixed frame
Mutually agree with.
Preferably, the CAN control panel is fixed on the inside of shell, and the CAN control panel passes through call wire and temperature
Sensor is electrically connected, and the CAN control panel is electrically connected with microprocessor and PWM drive circuit respectively.
Preferably, the microprocessor includes measure voltage & current system and IGBT power cell, the CAN control panel with
Heats is electrically connected.
A kind of new-energy automobile PTC liquid electric heater, including following control principle:
S1: microprocessor controls the output power of IGBT power cell by pwm signal, controls the heating function of heats
Rate；Microprocessor acquires the voltage and current information of power cell by voltage and current detecting unit, is adopted by temperature sensor
Collect the temperature of IGBT power cell and heats；
S2:IGBT power cell and heats are configured with multiple channels, support subchannel control, realize stepping heating,
Order heating, IGBT power cell use PWM drive circuit, electrodeless power regulation are supported, to temperature Precise control.
(3) beneficial effect
The present invention provides a kind of new-energy automobile PTC liquid electric heater, have it is following the utility model has the advantages that
(1) promote the heating efficiency of PTC monolithic, the volume of internal heats reduces, according to the size of heats into
The design of row housing integration structure can effectively reduce the volume of inner space, to reduce entire PTC liquid electric heater
Volume, PTC liquid electric heater volume reduce in the case where, product weight also reduces accordingly, realize reduce PTC liquid
The volume and quality of body electric heater.
(2) temperature sensor for being placed in heats water outlet position carries out real time temperature to heats operational process
Monitoring, and overheat protector, power output adjusting can be carried out when needing to keep the temperature, and to carry out heat preservation, be arranged on upper shell
Waterproof vent valve can effectively adjust internal temperature, adjust internal and external pressure, and in junction, each position will use high temperature
Sealant is sealed, and can effectively carry out waterproof, and the function of waterproof is realized convenient for the device.
(3) microprocessor applications power electronic technique, PWM drive circuit control, can more effectively carry out PTC stepping and add
Heat, order heating are, it can be achieved that stepless temperature, power regulation, the functions such as soft start have over-voltage/under-voltage protection, overcurrent/short circuit
Protection, anti-dry protection.
(4) CAN interface being arranged supports CAN2.0 agreement, supports high reliability networking control, dormancy awakening, has
Effect incorporates Auto Electronic Controlled System, realizes intelligent, systematization control.
Detailed description of the invention
Fig. 1 is perspective view of the explosion of the invention；
Fig. 2 is overall schematic of the present invention；
Fig. 3 is elevational schematic view of the present invention；
Fig. 4 is left view schematic diagram of the present invention；
Fig. 5 is schematic top plan view of the present invention；
Fig. 6 is control system block diagram of the present invention.
Appended drawing reference in figure are as follows: 1, lower casing；2, fixed seat at bottom；3, lower bolt joint seat；4, resettlement groove；5, heating core
Body；6, conveying pipeline；7, PTC fixed frame；8, PTC monolithic；9, CAN control panel；10, microprocessor；11, PWM drive circuit；12,
Call wire；13, temperature sensor；14, upper shell；15, upper bolt joint seat；16, waterproof vent valve；17, snap-gauge；18, CAN connects
Mouthful；19, fixing seat；20, pedestal is connected；21, vent valve mounting hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-6, a kind of embodiment provided by the invention；A kind of new-energy automobile PTC liquid electric heater,
Including lower casing 1, heats 5, PTC monolithic 8, CAN control panel 9, microprocessor 10, temperature sensor 13 and upper shell 14,
The top of lower casing 1 is equipped with heats 5, and PTC monolithic 8 is equipped in heats 5, and the two sides of heats 5 are respectively provided with
There is a conveying pipeline 6,5 middle position of heats is provided with PTC fixed frame 7, and PTC monolithic 8 is placed in be arranged in heats 5
On PTC fixed frame 7,7 phase of PTC monolithic 8 and PTC fixed frame is agreed with, and the top of heats 5 is equipped with CAN control panel 9, CAN control
Microprocessor 10, the model of microprocessor 10 are installed on model TJA1051T/3, the CAN control panel 9 of making sheet 9
PWM drive circuit 11 is installed on STM8S003F3U6TR, CAN control panel 9, is equipped at the water outlet position of heats 5
Temperature sensor 13, the model 602F-3500F of temperature sensor 13, the top of lower casing 1 is equipped with shell 14, upper outer
14 top of shell is equipped with waterproof vent valve 16, and CAN interface 18 is equipped on the side wall of upper shell 14, and CAN interface 18 is supported
CAN2.0 agreement supports high reliability networking control, dormancy awakening, and the lower part of lower casing 1 is provided with fixed seat at bottom 2, lower outer
It is provided with lower bolt joint seat 3 at the marginal position on 1 top of shell, mutually agrees at lower casing 1 and the connecting portion of upper shell 14, on
Bolt joint seat 15 is provided at the marginal position of 14 lower part of shell, the lower bolt joint seat 3 on lower casing 1 and upper shell 14
On upper bolt joint seat 15 be fixedly connected by fixing bolt, lower casing 1 and upper shell 14 are in junction each position high temperature
Sealant is sealed, and upper shell 14 is fixedly connected by the vent valve mounting hole 21 of setting with waterproof vent valve 16, upper shell
Connection pedestal 20 is provided at 14 corresponding 18 positions of CAN interface, upper shell 14 passes through solid by connection pedestal 20 and CAN interface 18
Reservation 19 is fixedly connected, and the two sides of lower casing 1 are provided with resettlement groove 4, the 17 phase contract of snap-gauge of resettlement groove 4 and upper 14 lower part of shell
It closes, CAN interface 18 and CAN control panel 9 are electrically connected, and CAN control panel 9 is fixed on the inside of shell 14, and CAN control panel 9 is logical
It crosses call wire 12 and temperature sensor 13 is electrically connected, CAN control panel 9 is electric with microprocessor 10 and PWM drive circuit 11 respectively
Property connection, microprocessor 10 includes measure voltage & current system and IGBT power cell, and CAN control panel 9 and heats 5 are electrically
Connection.
A kind of new-energy automobile PTC liquid electric heater, including following control principle:
S1: microprocessor 10 controls the output power of IGBT power cell by pwm signal, and control heats 5 adds
Thermal power；Microprocessor 10 acquires the voltage and current information of power cell by voltage and current detecting unit, is passed by temperature
The temperature of sensor 13 acquisition IGBT power cell and heats 5；
S2:IGBT power cell and heats 5 are configured with multiple channels, support subchannel control, realize stepping heating,
Order heating, IGBT power cell use PWM drive circuit 11, electrodeless power regulation are supported, to temperature Precise control.
Working principle: directly assembling the device, then conveying pipeline 6 and extraneous anti-icing fluid storage device connection is good, makes
Used time, the conveying antifreezing fluid directly into heats 5, heats 5 run heating and anti-freezing liquid, and by anti-icing fluid after heating
It transfers out, anti-icing fluid is recycled by return, and microprocessor 10 is controlled by PWM drive circuit 11 in operational process
The output power of IGBT power cell, controls the heating power of heats 5, and microprocessor 10 passes through voltage and current detecting unit
The voltage and current information for acquiring power cell acquires the temperature of IGBT power cell and heats 5 by temperature sensor 13
Degree, IGBT power cell and heats 5 are configured with multiple channels, support subchannel control, control stepping heating, and order adds
Heat, IGBT power cell uses PWM drive circuit 11, supports electrodeless power regulation, to temperature Precise control, when needing to keep the temperature
When can carry out power output adjust to keep the temperature, adjusted by the waterproof vent valve 16 on upper shell 14 internal temperature, adjust
Internal and external pressure.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of new-energy automobile PTC liquid electric heater, including lower casing (1), heats (5), PTC monolithic (8), CAN
Control panel (9), microprocessor (10), temperature sensor (13) and upper shell (14), it is characterised in that: the lower casing (1)
Top is equipped with heats (5), is equipped with PTC monolithic (8) on the heats (5), the top of the heats (5)
It is equipped with CAN control panel (9), is equipped with microprocessor (10) on the CAN control panel (9), pacified on the CAN control panel (9)
Equipped with PWM drive circuit (11), temperature sensor (13) are installed at the water outlet position of the heats (5), under described
The top of shell (1) is equipped with shell (14), and upper shell (14) top is equipped with waterproof vent valve (16), described outer
It is equipped on the side wall of shell (14) CAN interface (18), the CAN interface (18) and CAN control panel (9) are electrically connected.
2. a kind of new-energy automobile PTC liquid electric heater according to claim 1, it is characterised in that: the lower casing
(1) lower part is provided with fixed seat at bottom (2), is provided with lower bolt joint seat at the marginal position on lower casing (1) top
(3), mutually agree at the lower casing (1) and the connecting portion of upper shell (14), the marginal position of upper shell (14) lower part
Place is provided with bolt joint seat (15), the lower bolt joint seat (3) on the lower casing (1) and the upper spiral shell on upper shell (14)
Joint chair (15) is tethered to be fixedly connected by fixing bolt.
3. a kind of new-energy automobile PTC liquid electric heater according to claim 2, it is characterised in that: the upper shell
(14) it is fixedly connected by the vent valve mounting hole (21) of setting with waterproof vent valve (16), the corresponding CAN of upper shell (14)
Connection pedestal (20) is provided at interface (18) position, the upper shell (14) passes through connection pedestal (20) and CAN interface (18)
It is fixedly connected by fixing seat (19), the two sides of the lower casing (1) are provided with resettlement groove (4), the resettlement groove (4) and upper outer
The snap-gauge (17) of shell (14) lower part mutually agrees with.
4. a kind of new-energy automobile PTC liquid electric heater according to claim 1, it is characterised in that: the heating core
The two sides of body (5) are provided with conveying pipeline (6), and heats (5) middle position is provided with PTC fixed frame (7), described
PTC monolithic (8) is placed on the PTC fixed frame (7) being arranged on heats (5), the PTC monolithic (8) and PTC fixed frame
(7) mutually agree with.
5. a kind of new-energy automobile PTC liquid electric heater according to claim 1, it is characterised in that: the CAN control
Plate (9) is fixed on the inside of shell (14), and the CAN control panel (9) passes through call wire (12) and temperature sensor (13) electricity
Property connection, the CAN control panel (9) respectively with microprocessor (10) and PWM drive circuit (11) electric connection.
6. a kind of new-energy automobile PTC liquid electric heater according to claim 5, it is characterised in that: the micro process
Device (10) includes measure voltage & current system and IGBT power cell, and the CAN control panel (9) electrically connects with heats (5)
It connects.
7. a kind of new-energy automobile PTC liquid electric heater according to claim 1, it is characterised in that: including following control
Principle processed:
S1: microprocessor (10) controls the output power of IGBT power cell by pwm signal, and control heats (5) adds
Thermal power；Microprocessor (10) acquires the voltage and current information of power cell by voltage and current detecting unit, passes through temperature
The temperature of sensor (13) acquisition IGBT power cell and heats (5)；
S2:IGBT power cell and heats (5) are configured with multiple channels, support subchannel control, realize stepping heating, secondary
Sequence heating, IGBT power cell use PWM drive circuit (11), electrodeless power regulation are supported, to temperature Precise control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568033.0A CN109693515A (en) | 2018-12-21 | 2018-12-21 | A kind of new-energy automobile PTC liquid electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568033.0A CN109693515A (en) | 2018-12-21 | 2018-12-21 | A kind of new-energy automobile PTC liquid electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109693515A true CN109693515A (en) | 2019-04-30 |
Family
ID=66231951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568033.0A Pending CN109693515A (en) | 2018-12-21 | 2018-12-21 | A kind of new-energy automobile PTC liquid electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109693515A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243072A (en) * | 2019-06-04 | 2019-09-17 | 浙江银轮机械股份有限公司 | A kind of ptc heater |
| JP2021054144A (en) * | 2019-09-27 | 2021-04-08 | サンデン・オートモーティブクライメイトシステム株式会社 | Heat medium heater for vehicle and air conditioner for vehicle |
| CN112963602A (en) * | 2021-02-08 | 2021-06-15 | 鹤山市恩硕卫生洁具科技有限责任公司 | Stool and urine valve structure that ceramic case was opened and close |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529641A (en) * | 2011-11-15 | 2012-07-04 | 中国第一汽车集团公司新能源汽车分公司 | Automobile warm air control method and automobile warm air control device |
| CN203084530U (en) * | 2013-01-30 | 2013-07-24 | 北京汽车新能源汽车有限公司 | Control system for PTC electric heater used for pure electric automobile |
| CN103344034A (en) * | 2013-07-18 | 2013-10-09 | 东风汽车公司 | High-voltage PTC liquid heater for automobile air conditioner system |
| CN206134885U (en) * | 2016-09-13 | 2017-04-26 | 深圳市赛尔盈电子有限公司 | Novel PTC heater, integrated control system and car for electric automobile |
-
2018
- 2018-12-21 CN CN201811568033.0A patent/CN109693515A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529641A (en) * | 2011-11-15 | 2012-07-04 | 中国第一汽车集团公司新能源汽车分公司 | Automobile warm air control method and automobile warm air control device |
| CN203084530U (en) * | 2013-01-30 | 2013-07-24 | 北京汽车新能源汽车有限公司 | Control system for PTC electric heater used for pure electric automobile |
| CN103344034A (en) * | 2013-07-18 | 2013-10-09 | 东风汽车公司 | High-voltage PTC liquid heater for automobile air conditioner system |
| CN206134885U (en) * | 2016-09-13 | 2017-04-26 | 深圳市赛尔盈电子有限公司 | Novel PTC heater, integrated control system and car for electric automobile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243072A (en) * | 2019-06-04 | 2019-09-17 | 浙江银轮机械股份有限公司 | A kind of ptc heater |
| JP2021054144A (en) * | 2019-09-27 | 2021-04-08 | サンデン・オートモーティブクライメイトシステム株式会社 | Heat medium heater for vehicle and air conditioner for vehicle |
| JP7341011B2 (en) | 2019-09-27 | 2023-09-08 | サンデン株式会社 | Vehicle heat medium heating device and vehicle air conditioner |
| CN112963602A (en) * | 2021-02-08 | 2021-06-15 | 鹤山市恩硕卫生洁具科技有限责任公司 | Stool and urine valve structure that ceramic case was opened and close |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190430 |
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| RJ01 | Rejection of invention patent application after publication |