CN111649474A - Simple water heating PTC system - Google Patents

Simple water heating PTC system Download PDF

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Publication number
CN111649474A
CN111649474A CN202010528312.5A CN202010528312A CN111649474A CN 111649474 A CN111649474 A CN 111649474A CN 202010528312 A CN202010528312 A CN 202010528312A CN 111649474 A CN111649474 A CN 111649474A
Authority
CN
China
Prior art keywords
water
ptc
heating
flow channel
heater
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
Application number
CN202010528312.5A
Other languages
Chinese (zh)
Inventor
印文俊
刘明磊
晏玉卿
石虎
叶建强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jianghuai Songz Air Conditioner Co Ltd
Original Assignee
Anhui Jianghuai Songz Air Conditioner Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Jianghuai Songz Air Conditioner Co Ltd filed Critical Anhui Jianghuai Songz Air Conditioner Co Ltd
Priority to CN202010528312.5A priority Critical patent/CN111649474A/en
Publication of CN111649474A publication Critical patent/CN111649474A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818—Arrangement or mounting of electric heating means
    • F24H9/1827—Positive temperature coefficient [PTC] resistor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2028—Continuous-flow heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2250/00—Electrical heat generating means
    • F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention relates to a simple water heating PTC system which comprises an air conditioner host assembly, an expansion kettle and an electric water heating heater, wherein the air conditioner host assembly, the expansion kettle and the electric water heating heater are communicated through a warm air water pipe, and the electric water heating heater comprises a water pump and a heating mechanism; the heating mechanism comprises a shell, a water flow channel arranged in the shell, a water inlet arranged at one end of the water flow channel, a water outlet arranged at the other end of the water flow channel and a plurality of PTC heaters arranged in the water flow channel; the PTC heater comprises a heat conduction isolation pipe and a helical blade connected to the outer wall of the heat conduction isolation pipe, and a PTC heating core is arranged in the heat conduction isolation pipe; the PTC heater is arranged in the water flow channel and close to the water inlet. This simple and easy hot-water heating PTC system has solved the not enough problem of air PTC heat transfer volume in the past, carries out the incremental type heating to rivers, has shortened the heat time of heater to rivers, and heating efficiency is higher.

Description

Simple water heating PTC system
Technical Field
The invention belongs to the field of air conditioner heating systems, and particularly relates to a simple water heating PTC system.
Background
The PTC heater is also called as PTC heater, and is composed of PTC ceramic heating element and aluminum tube. The PTC heating element has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater. The safety device is characterized in that the surface of an electric heating tube heater does not turn red under any application condition on the safety performance, so that potential safety hazards such as scalding and fire hazards are caused.
The PTC heating body product adopts the U-shaped corrugated radiating fins, so that the heat dissipation rate is improved, the advantages of adhesion and mechanical type are integrated, various thermal and electrical phenomena of the PTC heating element during working are fully considered, the bonding force is strong, the heat conduction and the heat dissipation performance are excellent, the efficiency is high, and the PTC heating body product is safe and reliable. The PTC heater has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater. The PTC heater has the prominent characteristic of safety performance, namely, when the fan stops due to failure, the PTC heater can automatically and rapidly reduce the power because the PTC heater cannot fully dissipate heat, and the surface temperature of the heater is maintained at about the Curie temperature (generally about 250 ℃), so that the surface of the heater such as an electric heating tube heater cannot be red.
It is mainly used in air conditioner, hot air curtain machine, dehumidifier, drier, clothes dryer, warm air blower, bath heater, automobile and other equipment needing warm air supply.
The air PTC heater used in the vehicle-mounted air conditioner at present has the problems of uncomfortable wind feeling, insufficient heat exchange quantity and the like.
Disclosure of Invention
The invention aims to solve the problems and provide a simple water heating PTC system which is simple in structure and reasonable in design.
The invention realizes the purpose through the following technical scheme:
a simple water heating PTC system comprises an air conditioner host assembly, an expansion kettle and an electric water heating heater, wherein the air conditioner host assembly, the expansion kettle and the electric water heating heater are communicated through a warm air water pipe, and the electric water heating heater comprises a water pump and a heating mechanism;
the heating mechanism comprises a shell, a water flow channel arranged in the shell, a water inlet arranged at one end of the water flow channel, a water outlet arranged at the other end of the water flow channel and a plurality of PTC heaters arranged in the water flow channel;
the PTC heater comprises a heat conduction isolation pipe and a helical blade connected to the outer wall of the heat conduction isolation pipe, and a PTC heating core is arranged in the heat conduction isolation pipe.
As a further optimization scheme of the invention, the PTC heater is arranged at a position close to the water inlet in the water flow channel, and a temperature sensor is arranged at a position close to the water outlet in the water flow channel.
As a further optimized scheme of the invention, the output end of the expansion kettle is connected with the input end of the water pump through the warm air water pipe, and the output end of the water pump is connected with the water inlet of the heating mechanism.
As a further optimization scheme of the invention, the input end of the expansion kettle is connected with the output end of the air-conditioning main unit assembly through a warm air water pipe, and the water outlet of the heating mechanism is connected with the input end of the air-conditioning main unit assembly through the warm air water pipe.
The invention has the beneficial effects that:
1) the water heating PTC system is adopted to replace the conventional air PTC system, when heat exchange is carried out, water in the expansion kettle is conveyed into the heating mechanism through the water pump, enters the water flow channel in the shell from the water inlet, reaches the required temperature under the incremental continuous heating of the PTC heater, and is output into the air conditioner host assembly from the water outlet for heat exchange, the heat exchange efficiency is high, the water flow output is stable, and the problems of low heat exchange rate and unstable output heat of the air heat exchange system are solved;
2) the PTC heater comprises a heat conduction isolation pipe, a helical blade connected to the outer wall of the heat conduction isolation pipe and a PTC heating core arranged in the heat conduction isolation pipe, wherein a water flow channel is distributed in a bending and folding manner, the flow path of water flow is increased in a small space, when the water flow contacts the PTC heater, the temperature of the water flow is gradually increased in the circulation process under the action of the helical blade until the water flow reaches the required temperature at a water outlet, and the subsequent circulating water flow can be kept at the required temperature all the time, so that the PTC heater can stably output water at the specified temperature for heat exchange, and the heat exchange efficiency is high and stable;
3) the invention has simple structure, high stability, reasonable design and convenient realization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the heating mechanism of the present invention;
fig. 3 is a schematic view of the structure of the PTC heater of the present invention.
In the figure: 1. an air conditioner host assembly; 2. an expansion kettle; 3. an electric water heater; 4. a heating mechanism; 401. a housing; 402. a water flow channel; 403. a water inlet; 404. a PTC heater; 4040. a heat conducting isolation tube; 4041. a helical blade; 405. a temperature sensor; 406. and (7) a water outlet.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As mentioned in the background art, the conventional air PTC heaters used in the vehicle air conditioners have the problems of uncomfortable wind feeling and insufficient heat exchange amount, and some of the conventional air conditioners use the water heating PTC heaters to replace the air PTC heaters, but most of the water heating PTC heaters heat water in a heating cavity of the heater for a certain time, and output the heated water to the outside until the water temperature meets the requirement, so that the air conditioners have a certain hollow time period during heating and can exchange heat after waiting for a certain time, and therefore, the invention provides a simple water heating PTC system with high heating rate and stable output efficiency.
As shown in fig. 1-3, a simple water heating PTC system comprises a main air conditioner assembly 1, an expansion kettle 2 and an electric water heating heater 3, wherein the main air conditioner assembly 1, the expansion kettle 2 and the electric water heating heater 3 are communicated with each other through a warm air water pipe;
the electric water heating heater 3 comprises a water pump and a heating mechanism 4; the heating mechanism 4 comprises a shell 401, a water flow channel 402 arranged in the shell 401, a water inlet 403 arranged at one end of the water flow channel 402, a water outlet 406 arranged at the other end of the water flow channel 402 and a plurality of PTC heaters 404 arranged in the water flow channel 402; the PTC heater 404 includes a heat conduction isolation tube 4040 and a helical blade 4041 connected to the outer wall of the heat conduction isolation tube 4040, and a PTC heating core is disposed in the heat conduction isolation tube 4040; the output end of the expansion kettle 2 is connected with the input end of the water pump through a warm air water pipe, and the output end of the water pump is connected with the water inlet 403 of the heating mechanism 4; the input end of the expansion kettle 2 is connected with the output end of the air-conditioning main unit assembly 1 through a warm air water pipe, and the water outlet 406 of the heating mechanism 4 is connected with the input end of the air-conditioning main unit assembly 1 through the warm air water pipe;
when the heat exchange is carried out, water in the expansion kettle 2 is conveyed into the heating mechanism 4 through the water pump, the water enters the water flow channel 402 in the shell 401 from the water inlet 403, and reaches a required temperature under the incremental continuous heating of the PTC heater 404, the PTC heater 404 in the invention consists of the heat conduction isolation pipe 4040, the spiral blade 4041 connected on the outer wall of the heat conduction isolation pipe 4040 and the PTC heating core arranged in the heat conduction isolation pipe 4040, the water flow channel 402 is distributed in a bending and folding way, the flow path of the water flow is increased in a small space, when the water flow contacts the PTC heater 404, the temperature of the water flow is gradually increased in the circulation process under the action of the spiral blade 4041 until the water flow reaches the required temperature when the water flow reaches the water outlet 406, and the subsequent circulating water flow can be kept at the required temperature, so that the PTC heater 404 can stably output water with a specified temperature for heat exchange, the heat exchange efficiency is high and stable, water reaching the specified temperature is output from the water outlet 406 to the air conditioner main unit assembly 1 for heat exchange, the heat exchange efficiency is high, the water flow output is stable, and the problems of low heat exchange rate and unstable output heat of an air heat exchange system are effectively solved;
it should be noted that the PTC heater 404 is disposed in the water flow channel 402 near the water inlet 403, the temperature sensor 405 is disposed in the water flow channel 402 near the water outlet 406, and the temperature sensor 405 and the PTC heating core are all in the prior art, and the power of the PTC heater 404 in the present invention is controlled by referring to the control manner in the conventional PTC heater 404, which is the prior art and will not be described herein again.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (4)

1. The utility model provides a simple and easy hot-water heating PTC system, includes air conditioner host assembly (1), expansion kettle (2) and electric water heating heater (3), all communicate its characterized in that through warm braw water pipe between air conditioner host assembly (1), expansion kettle (2) and electric water heating heater (3): the electric water heating heater (3) comprises a water pump and a heating mechanism (4);
the heating mechanism (4) comprises a shell (401), a water flow channel (402) arranged in the shell (401), a water inlet (403) arranged at one end of the water flow channel (402), a water outlet (406) arranged at the other end of the water flow channel (402) and a plurality of PTC heaters (404) arranged in the water flow channel (402);
the PTC heater (404) comprises a heat conduction isolation pipe (4040) and a helical blade (4041) connected to the outer wall of the heat conduction isolation pipe (4040), and a PTC heating core is arranged in the heat conduction isolation pipe (4040).
2. A simple plumbing PTC system according to claim 1, wherein: the PTC heater (404) is arranged in the water flow channel (402) at a position close to the water inlet (403), and a temperature sensor (405) is arranged in the water flow channel (402) at a position close to the water outlet (406).
3. A simple plumbing PTC system according to claim 1, wherein: the output end of the expansion kettle (2) is connected with the input end of the water pump through a warm air water pipe, and the output end of the water pump is connected with the water inlet (403) of the heating mechanism (4).
4. A simple plumbing PTC system according to claim 1, wherein: the input end of the expansion kettle (2) is connected with the output end of the air-conditioning main unit assembly (1) through a warm air water pipe, and the water outlet (406) of the heating mechanism (4) is connected with the input end of the air-conditioning main unit assembly (1) through the warm air water pipe.
CN202010528312.5A 2020-06-11 2020-06-11 Simple water heating PTC system Pending CN111649474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010528312.5A CN111649474A (en) 2020-06-11 2020-06-11 Simple water heating PTC system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010528312.5A CN111649474A (en) 2020-06-11 2020-06-11 Simple water heating PTC system

Publications (1)

Publication Number Publication Date
CN111649474A true CN111649474A (en) 2020-09-11

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CN202010528312.5A Pending CN111649474A (en) 2020-06-11 2020-06-11 Simple water heating PTC system

Country Status (1)

Country Link
CN (1) CN111649474A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201021841Y (en) * 2007-03-12 2008-02-13 马效春 A quick water heater
US20080053981A1 (en) * 2006-08-30 2008-03-06 Mitsubishi Heavy Industries, Ltd. Heat-transer-medium heating apparatus and vehicular air-conditioning
CN202429021U (en) * 2011-12-30 2012-09-12 常州宏梦汽车零部件科技有限公司 Heating system for electric automobile
KR20140109724A (en) * 2013-03-06 2014-09-16 엘지전자 주식회사 Air-conditioning system of Electric Vehicle
CN207207684U (en) * 2017-08-18 2018-04-10 安徽江淮汽车集团股份有限公司 A kind of air conditioning for automobiles hot-water heating heating
US20180160478A1 (en) * 2016-12-06 2018-06-07 Eberspacher Catem Gmbh & Co. Kg Electric Heating Device and PTC Heating Element for Such
CN109982879A (en) * 2016-12-13 2019-07-05 日本空调系统股份有限公司 The electric heater of air conditioner for vehicles
CN209191654U (en) * 2018-10-11 2019-08-02 扬州爱斯派电器有限公司 A kind of PTC water-warming heater

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080053981A1 (en) * 2006-08-30 2008-03-06 Mitsubishi Heavy Industries, Ltd. Heat-transer-medium heating apparatus and vehicular air-conditioning
CN201021841Y (en) * 2007-03-12 2008-02-13 马效春 A quick water heater
CN202429021U (en) * 2011-12-30 2012-09-12 常州宏梦汽车零部件科技有限公司 Heating system for electric automobile
KR20140109724A (en) * 2013-03-06 2014-09-16 엘지전자 주식회사 Air-conditioning system of Electric Vehicle
US20180160478A1 (en) * 2016-12-06 2018-06-07 Eberspacher Catem Gmbh & Co. Kg Electric Heating Device and PTC Heating Element for Such
CN109982879A (en) * 2016-12-13 2019-07-05 日本空调系统股份有限公司 The electric heater of air conditioner for vehicles
CN207207684U (en) * 2017-08-18 2018-04-10 安徽江淮汽车集团股份有限公司 A kind of air conditioning for automobiles hot-water heating heating
CN209191654U (en) * 2018-10-11 2019-08-02 扬州爱斯派电器有限公司 A kind of PTC water-warming heater

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Application publication date: 20200911