CN102362825B - Hand warmer with heat exchanger - Google Patents
Hand warmer with heat exchanger Download PDFInfo
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- CN102362825B CN102362825B CN201110368386.8A CN201110368386A CN102362825B CN 102362825 B CN102362825 B CN 102362825B CN 201110368386 A CN201110368386 A CN 201110368386A CN 102362825 B CN102362825 B CN 102362825B
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- heat exchanger
- bag
- hand warmer
- chamber
- heating
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Abstract
The invention discloses a hand warmer with a heat exchanger. The hand warmer with the heat exchanger comprises a bag body, wherein a bag cavity capable of storing liquid is formed in the bag body; the hand warmer with the heat exchanger is characterized in that: the heat exchanger is arranged outside the bag cavity; a heating cavity is formed in the heat exchanger; an inlet and an outlet of the heating cavity are communicated with the bag cavity respectively; and a water pump is arranged between the heating cavity and the bag cavity. In the hand warmer, the heat exchanger is arranged outside the bag cavity, the water pump is used for pumping liquid in the bag cavity into the heat exchanger, and the liquid is heated and drained back into the bag cavity, so that through the circulation, the bag cavity is externally heated, and various safety problems caused by arrangement of a heating body in the bag cavity are avoided; the bag cavity is only used for storing the liquid, so that the bag body can be still used even though the heat exchanger is damaged; and the same heat exchanger can heat various different bag bodies, so that when a manufacturer produces the hand warmer with the heat exchanger, the hand warmer with the heat exchanger can be used by a family, and when the hand warmer is used, one heat exchanger can match with multiple bag bodies.
Description
Technical field
The present invention relates to hand warmer technical field, is especially a kind of hand warmer of heat exchanger.
Background technology
Existing hand warmer, that is: electric warming bag, its structure comprises bag, and marsupial chamber is set in bag, and bag intracavity stores liquid, and electric heating body is placed in liquid, that is: and electric heating body is built in a bag intracavity, to directly the liquid of bag intracavity is heated.When electric warming bag heating work, when liquid is heated to set temperature value, temperature controller action, the power supply of disconnection electric heating body, quits work electric heating body, and now, hand warmer can be for heating.
But, the hand warmer of above-mentioned traditional in-built electrical calandria, still have the following disadvantages: (1) is built in a bag intracavity in view of electric heating body, heated liquid can produce gas constantly expands a bag chamber, for preventing a bag intracavity (gas) overvoltage explosion, traditional hand warmer can be set up anti-explosion mechanism on bag, as: on electric heating body surface, temperature controller is installed, or, on bag wall, set up the air bleeding valve of overvoltage etc.; But, above-mentioned these anti-explosion mechanisms, if run into damage, as: temperature controller lost efficacy, air bleeding valve obstructions etc., all can cause to add the hand warmer bag wall of hankering, and because of overvoltage explosion, the liquid splash of high temperature out, so, there is all the time larger potential safety hazard in the hand warmer of in-built electrical calandria; (2) hand warmer of in-built electrical calandria, tends to because anti-explosion mechanism damages, and causes and can not use, thereby has shortened the service life of product; (3) in view of electric heating body is built in hand warmer, therefore, electric heating body is non-dismountable, and cannot realize an electric heating body can be to the effect of multiple bag heating; (4) electric heating body of hand warmer bag intracavity, need to be immersed in liquid, that is: liquid can not be too small, otherwise, easily cause dry combustion method, certainly, the liquid of bag intracavity is also obstructed too much, and therefore, to hand warmer, water filling has certain technical requirement to user.
Summary of the invention
The object of the invention is to overcome all deficiencies that above-mentioned prior art exists, and a kind of hand warmer of heat exchanger is provided, it has simple and reasonable for structure, by heater being placed on to a bag chamber, for this reason, bag intracavity is without heater is set, both easy to use, the safety that improves again product, its longer service life, water filling is easy, and, the advantage that the applicable multiple empty bags of heat exchanger (being marked with liquid in bag) heating is used.
The object of the present invention is achieved like this.
A kind of hand warmer of heat exchanger, comprise bag, in bag, be provided with the bag chamber that can store liquid, it is characterized in that, described bag chamber is outside equipped with heat exchanger, in heat exchanger, be provided with heating chamber, the entrance and exit of heating chamber is connected with bag chamber respectively, between described heating chamber and bag chamber, is also provided with water pump; This hand warmer, by heat exchanger (being equivalent to calandria) is set outside bag chamber, and coordinate water pump, by after the liquid suction heat exchanger heats of bag intracavity, flow back to a bag intracavity, so circulation, realizes the effect of bag chamber external heat again, avoid at bag intracavity because electric heating body is set, and all safety problems that exist; And the effect in bag chamber is only as the use that stores liquid, even if heat exchanger damages, bag still can use; Have, same heat exchanger, can be to multiple different bag heating again, and producer, can be in response to family use in the time producing, and multiple bags are only joined a heat exchanger and used; More have plenty of, this external calandria, too small because of the injection liquid scale of construction without worrying, cause now picture of dry combustion method, therefore, its water flood operations is simple and easy.
Object of the present invention can also adopt following technical measures to solve.
As a kind of embodiment of heat exchanger wherein, described heat exchanger, it can be an independent case, heating chamber is arranged in housing, on surface of shell, be provided with two interfaces respectively as the entrance and exit of heating chamber, on bag, be provided with two connecting ports corresponding with two interfaces of surface of shell, on two connecting ports, be separately installed with check (non-return) valve, after preventing that heat exchanger from transfering to, two connecting port trickles on bag surface; This external removable heat exchanger, can be convenient for people to carry and use, and is especially applicable to the needs that a heat exchanger uses multiple different bags heating.
Described heat exchanger can be to be also arranged on bag, and the entrance and exit of its heating chamber is connected with bag chamber respectively; That is: heat exchanger is arranged on bag, as: heat exchanger is arranged on the mount pad of bag outer wall, this mode, heat exchanger can divide and splits out, also can not break, in view of it is arranged on the mount pad of bag outer wall, so routine use does not break, but it can utilize water pump equally, the liquid of bag intracavity (water) suction, to heat exchanger heats, then is flow back to a bag intracavity, so circulation.
As scheme more specifically, described water pump is arranged on heat exchanger, and is placed in entrance or the exit of heating chamber; Certainly, water pump also can be contained on heating chamber, draws water as long as can realize circulation.
Described heat exchanger is pipeline heater, and pipeline heater inner chamber is as the heating chamber of water flowing, and its pipe outer wall is provided with conductive heating layer, and water pump is arranged on entrance or the exit of pipeline heater.As: quartz glass pipe heater, it is that pipe outer wall plates metal heating layer (conductive exothermal), tube cavity water flowing (being equivalent to heating chamber), can be heated rapidly by the water of tube cavity.
Electric heating tube or heating wire or electric heating lamina membranacea are installed in the heating chamber of described heat exchanger, that is: can be by electric heating tube, heating wire or electric heating lamina membranacea direct heating by the liquid of heating chamber.
On described heat exchanger, be also provided with temperature controller and/or fuse, both can have monitored by the temperature of liquid in heating chamber, can prevent that again heat exchanger temperature is too high, play a protective role.
As better embodiment, two connecting port places of described bag are also connected with microswitch, and microswitch and water pump, heat exchanger are electrically connected; That is: only have two connecting ports of heat exchanger and bag to plug into completely, now, water pump and heat exchanger ability energising work, if heat exchanger is pulled out, water pump and heat exchanger can auto-breaking protections.
On described bag, also have water filling port, be provided with sealing-plug on water filling port, people can be freely toward the water filling of bag intracavity.
On described heat exchanger, be also provided with anti-reversing heater switch, anti-reversing heater switch and water pump are electrically connected; If heat exchanger is the other way around, water pump cannot draw water, and the heating of also cannot switching on of the heat exchanger of series connection, to prevent heat exchanger reversing heating, is especially can prevent because water pump draws water the other way around, and the defect causing.
Beneficial effect of the present invention is as follows.
(1) this hand warmer, by outside bag chamber, heat exchanger being set, and coordinates water pump, by after the liquid suction heat exchanger heats of bag intracavity, then flow back to a bag intracavity, so circulation, realize an effect for bag chamber external heat, avoid at bag intracavity because electric heating body is set, and all safety problems that exist.
(2) in view of the only use of conduct storage liquid of effect in bag chamber, even if heat exchanger damages, bag still can use.
(3) have, same heat exchanger, can be to multiple different bag heating again, and producer, can be in response to family use in the time producing, and multiple bags are only joined a heat exchanger and used.
(4) this kind of hand warmer, its calandria is external, too small because of liquid without worrying, causes now picture of dry combustion method, therefore, its water flood operations is simple and easy; And, on the heat exchanger of hand warmer, add anti-reversing heater switch, can effectively prevent that heat exchanger from using under reversing state.
Brief description of the drawings
Fig. 1 is the hand warmer operation principle schematic diagram of heat exchanger of the present invention.
Fig. 2 is hand warmer embodiment mono-schematic diagram of heat exchanger of the present invention.
Fig. 3 is the heat exchanger enlarged diagram of Fig. 2.
Fig. 4 is hand warmer embodiment bis-schematic diagrams of heat exchanger of the present invention.
Fig. 5 is the heat exchanger enlarged diagram of Fig. 4.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
The first embodiment
As shown in Figure 1 to Figure 3, a kind of hand warmer of heat exchanger, comprise bag 1, in bag 1, be provided with the bag chamber 2 that can store liquid, it is characterized in that, described bag chamber 2 is outside equipped with heat exchanger 3, is provided with heating chamber 4 in heat exchanger 3, entrance 41 and the outlet 42 of heating chamber 4 are connected with bag chamber 2 respectively, between described heating chamber 4 and bag chamber 2, are also provided with water pump 5.
Shown in Fig. 2, described heat exchanger 3 is an independent case, heating chamber 4 is arranged in housing, on surface of shell, be provided with two interfaces respectively as entrance 41 and the outlet 42 of heating chamber, on bag 1, be provided with two connecting ports 6,7 corresponding with two interfaces of surface of shell, on two connecting ports 6,7, be separately installed with check (non-return) valve 8, to prevent that the liquid in connecting port 6,7 from flowing out.
Described water pump 5 is arranged on heat exchanger 3, and is placed in entrance 41 or outlet 42 places of heating chamber 4.
Wherein, described heat exchanger 3 can be Glass tube heater, and Glass tube heater inner chamber is as heating chamber 4, and water pump 5 is arranged on entrance 41 or outlet 42 places of Glass tube heater.
Separately, on described heat exchanger 3, be also provided with temperature controller and/or fuse 10.Two connecting ports, 6,7 places of described bag 1 are also connected with microswitch 12, and microswitch 12 is electrically connected with water pump 5, heat exchanger 3.
On described bag 1, also have water filling port 13, on water filling port 13, be provided with sealing-plug 14.
On described heat exchanger 3, be also provided with anti-reversing heater switch 15, anti-reversing heater switch 15 is electrically connected with water pump 5.
The bag of described bag 1 arranges book layer (as: certain of bag wall arranges very book) on wall, so that bag internal gas pressure is when excessive, by the aerofluxus that pops of this book layer, to realize certain safety.
Operation principle: when hand warmer heating, the entrance of heat exchanger 3 41 and outlet 42 are aimed to two connecting ports on bag outer walls 6,7, and inserted, now touch microswitch 12, the power connection of water pump 5 and heat exchanger 3, water pump by the liquid in bag chamber 2 (water) in entrance 41 suction heating chambers 4, after heating rapidly, flow back in bag chamber 2 by outlet 42, so circulation, until being applicable to heating, bag temperature uses, whole process, without worrying bag expansion explosion, its safety is better.
The second embodiment
As shown in Figure 4 and Figure 5, the hand warmer of this kind of heat exchanger, its structure is close with above-mentioned the first embodiment mono-, difference is only: described heat exchanger 3 is arranged on bag 1, entrance 41 and the outlet 42 of its heating chamber 4 are connected with bag chamber 2 respectively, and heat exchanger 3 is arranged on the mount pad 9 of bag 1 outer wall.
And, electric heating tube or heating wire or electric heating lamina membranacea are installed in the heating chamber 4 of described heat exchanger 3.
Claims (2)
1. the hand warmer of heat exchanger, comprise bag (1), in bag (1), be provided with the bag chamber (2) that can store liquid, it is characterized in that, described bag chamber (2) is outside equipped with heat exchanger (3), in heat exchanger (3), be provided with heating chamber (4), the entrance (41) of heating chamber (4) and outlet (42) are connected with bag chamber (2) respectively, between described heating chamber (4) and bag chamber (2), are also provided with water pump (5); On described heat exchanger (3), be also provided with temperature controller and/or fuse (10).
2. the hand warmer of heat exchanger according to claim 1, it is characterized in that, described heat exchanger (3) is an independent case, heating chamber (4) is arranged in housing, on surface of shell, be provided with two interfaces respectively as the entrance (41) of heating chamber and outlet (42), on bag (1), be provided with two connecting ports (6,7) corresponding with two interfaces of surface of shell, on two connecting ports (6,7), be separately installed with check (non-return) valve (8).
3. the hand warmer of heat exchanger according to claim 1, is characterized in that, it is upper that described heat exchanger (3) is arranged on bag (1), the entrance (41) of its heating chamber (4) and export (42) and be connected with bag chamber (2) respectively.
4. the hand warmer of heat exchanger according to claim 3, is characterized in that, described heat exchanger (3) is arranged on the mount pad (9) of bag (1) outer wall.
5. the hand warmer of heat exchanger according to claim 1, is characterized in that, it is upper that described water pump (5) is arranged on heat exchanger (3), and the entrance (41) or the outlet (42) that are placed in heating chamber (4) are located.
6. the hand warmer of heat exchanger according to claim 1, it is characterized in that, described heat exchanger (3) is pipeline heater, pipeline heater inner chamber is as the heating chamber (4) of water flowing, its pipe outer wall is provided with conductive heating layer, and water pump (5) is arranged on entrance (41) or the outlet (42) of pipeline heater and locates.
7. the hand warmer of heat exchanger according to claim 1, is characterized in that, electric heating tube or heating wire or electric heating lamina membranacea are installed in the heating chamber (4) of described heat exchanger (3).
8. the hand warmer of heat exchanger according to claim 2, is characterized in that, two connecting ports (6,7) of described bag (1) locate to be also connected with microswitch (12), and microswitch (12) is electrically connected with water pump (5), heat exchanger (3).
9. the hand warmer of heat exchanger according to claim 1, is characterized in that, is also provided with anti-reversing heater switch (15) on described heat exchanger (3), and anti-reversing heater switch (15) is electrically connected with water pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368386.8A CN102362825B (en) | 2011-11-19 | 2011-11-19 | Hand warmer with heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368386.8A CN102362825B (en) | 2011-11-19 | 2011-11-19 | Hand warmer with heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102362825A CN102362825A (en) | 2012-02-29 |
| CN102362825B true CN102362825B (en) | 2014-09-24 |
Family
ID=45689442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110368386.8A Expired - Fee Related CN102362825B (en) | 2011-11-19 | 2011-11-19 | Hand warmer with heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102362825B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159358B (en) * | 2015-09-21 | 2018-11-13 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN112618146A (en) * | 2021-01-08 | 2021-04-09 | 徐尤圣 | Quick-heating hand warmer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305359A (en) * | 1998-06-19 | 2001-07-25 | 金基镐 | Hot water mat using yellow soil |
| JP2003093426A (en) * | 2001-09-26 | 2003-04-02 | Shoho Sangyo Kk | Body cooling/heating apparatus |
| CN201361166Y (en) * | 2009-01-14 | 2009-12-16 | 梁盛权 | Safe electric-heated bag of externally-arranged temperature controller and/or fuse |
| CN201692142U (en) * | 2010-06-12 | 2011-01-05 | 陈丽卿 | Heating controller of flexible electric heating water bag |
| CN202313897U (en) * | 2011-11-19 | 2012-07-11 | 佛山市顺德区美美创新电器有限公司 | Hand warmer with heat exchanger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6799063B2 (en) * | 2002-02-27 | 2004-09-28 | Medivance Incorporated | Temperature control pads with integral electrodes |
| US9308148B2 (en) * | 2006-12-04 | 2016-04-12 | Thermatx, Inc. | Methods and apparatus for adjusting blood circulation |
-
2011
- 2011-11-19 CN CN201110368386.8A patent/CN102362825B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305359A (en) * | 1998-06-19 | 2001-07-25 | 金基镐 | Hot water mat using yellow soil |
| JP2003093426A (en) * | 2001-09-26 | 2003-04-02 | Shoho Sangyo Kk | Body cooling/heating apparatus |
| CN201361166Y (en) * | 2009-01-14 | 2009-12-16 | 梁盛权 | Safe electric-heated bag of externally-arranged temperature controller and/or fuse |
| CN201692142U (en) * | 2010-06-12 | 2011-01-05 | 陈丽卿 | Heating controller of flexible electric heating water bag |
| CN202313897U (en) * | 2011-11-19 | 2012-07-11 | 佛山市顺德区美美创新电器有限公司 | Hand warmer with heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102362825A (en) | 2012-02-29 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 528300 Guangdong Province, Shunde District Leliu Jiang Village Industrial Avenue, West Road, three Applicant after: Guangdong U.S. Megtron new appliance Co., Ltd Address before: 528300 Guangdong Province, Shunde District Leliu Jiang Village Industrial Avenue, West Road, three Applicant before: Foshan Shunde District Meimei Innovation Electrical Appliance Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: FOSHAN SHUNDE MEIMEI INNOVATION ELECTRIC CO., LTD. TO: GUANGDONG MEIMEI INNOVATION ELECTRIC CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20151119 |
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| EXPY | Termination of patent right or utility model |