CN105042856A - Air heater with double protection functions - Google Patents
Air heater with double protection functions Download PDFInfo
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- CN105042856A CN105042856A CN201510437358.5A CN201510437358A CN105042856A CN 105042856 A CN105042856 A CN 105042856A CN 201510437358 A CN201510437358 A CN 201510437358A CN 105042856 A CN105042856 A CN 105042856A
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- temperature
- heating member
- ptc heating
- air heater
- double protection
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Abstract
The invention relates to an air heater with the double protection functions. The air heater comprises a rectangular shell, a forceful air circulation device and a power source, wherein the left end and the right end of the rectangular shell are provided with openings. The shell is internally provided with a plurality of PTC heating pieces. An infrared temperature detector is arranged at the bottom of the rectangular shell. A circuit where the power source is located is connected with a temperature controller, a fuse and a normally-closed contact in series. According to the air heater with the double protection function, constant temperature can be achieved automatically, energy can be saved, risks of safety accidents such as explosion and fire disasters can be reduced to a great extent, and the safety of the heater is further improved through the double protection design of the temperature controller and the fuse.
Description
Technical field
The present invention relates to electric heating mechanical field, be specifically related to a kind of air heater with double protection.
Background technology
Electric heater is one of visual plant in daily life, generally adopt stainless steel electric heating tube traditionally, its structure puts into heating wire in metal tube, and the magnesia powder of thermal conductivity and insulating properties is closely filled with in gap, its advantage is stainless steel electric heating tube is pure resistive loads, power is easily determined, shortcoming can only realize open and close to control, can not according to temperature automatic adjustment power.Meanwhile, when causing dry combustion method phenomenon owing to there is accident, easily cause stainless steel electric heater for heating temperature uncontrollable, potential safety hazard is large, easily causes the injuries such as blast, fire.
PTC (positivetemperaturecoefficient) is positive temperature coefficient thermo-sensitive material, and it has resistivity and raises and the characteristic of increase with temperature.The temperature of the PTC electric heater utilizing PTC to make is once reach balance, just likely be stabilized in fluctuation near a definite value, reach the effect of constant temperature heating, not only can automatic constant-temperature, economize energy, the risk causing the security incidents such as blast, fire can also be reduced to a great extent.
In addition, for reducing the risk that security incident occurs further, be necessary to use multiple-protection mechanism, the design of temperature controller and fuse is for ensureing that the security of circuit is also extremely important.
The kind of electric heater is a lot, general when heat medium is under pressure by electric heater heating chamber, adopts thermodynamic fluid principle to take away in heating work the huge heat produced equably, makes heated medium temperature reach user's technological requirement.Electric airheater, generally refers to and makes gas temperature rising be transported to subsequent work link again by electric airheater air.Due to the particularity of air dielectric, its energy consumed is also more, and easily runs off and waste heat energy, therefore, for the protection of heat energy, promotes the efficiency of heating surface and seems particularly important.
As can be seen here, existing heater is improved, innovate from all many-sides such as exothermic material, heating arrangement, heating properties, heat proof materials, thus the combination property promoting heater is very necessary.
Summary of the invention
The invention provides a kind of air heater with double protection, the dividing plate that the present invention is made by heat-storing material, and be coated with the heat-resisting reflective substrate bed of material in baffle surface and save heat energy further, thus significantly improve the efficiency of heating surface, the characteristic making full use of the positive temperature coefficient of ptc material manufactures PTC heating member, the temperature stabilization of heating can be fluctuated near a definite value, reach the effect of constant temperature heating, not only can automatic constant-temperature, economize energy, can also reduce to a great extent to cause blast, the risk of the security incidents such as fire, unique double protection design having temperature controller and fuse concurrently then improves the security of heater further.
The present invention realizes with following technical scheme, a kind of air heater with double protection, be included in left end and right-hand member be provided with opening rectangle housing, force air circulation device and power supply, multiple PTC heating member is provided with in housing, described power supply is arranged at described rectangle housing bottom, for powering for described PTC heating member and pressure air circulation device, described pressure air circulation device rotates counterclockwise, the left end opening of described rectangle housing is air inlet, the right-end openings of described rectangle housing is air outlet
The bottom of described rectangle housing is provided with infrared temperature measurement device, described infrared temperature measurement device comprises MEMS thermopile sensor and environment temperature sensor, for measuring described PTC heating member surface temperature, the circuit connection of described power supply place is in series with temperature controller, fuse and normally-closed contact, described temperature controller is electrically connected with described infrared temperature measurement device, the temperature recorded according to described infrared temperature measurement device controls the break-make of described normally-closed contact
When described PTC heating member surface temperature is more than 90 DEG C, described temperature controller controls described normally-closed contact and flicks, to cut off the electricity supply place circuit, heater quits work, when described PTC heating member surface temperature decline causes 40 DEG C, described temperature controller controls described normally-closed contact and resets, power supply place circuit turn-on
Accumulation of heat dividing plate and lower accumulation of heat dividing plate is also provided with in described rectangle housing, described upper accumulation of heat dividing plate is fixed on described rectangle housing tip lower surface, described lower accumulation of heat dividing plate is fixed on described rectangle housing bottom upper surface, the lower surface of described upper accumulation of heat dividing plate and the upper surface of lower accumulation of heat dividing plate all scribble the heat-resisting reflective substrate bed of material
Described upper accumulation of heat dividing plate and lower accumulation of heat dividing plate are the ceramic composite vacuum insulation plate of glass solder, described composite vacuum insulating plate comprises panel and vacuum chamber, described panel is ceramic wafer, described panel provides additional strength, ensures vacuum chamber planarization under atmospheric pressure for described vacuum chamber, described vacuum chamber is the closed cavity welding edge sealing, under vacuo high temperature sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass and formed, supporter is had in described vacuum chamber
Described PTC heating member comprises metal tube, heater and radiating fin, and it is inner that described heater is positioned at described metal tube, and for going deep into the obtained ceramic crystal of a small amount of rare earths material in barium titanate, described radiating fin is pressed around described metal tube outside.
Preferably, described PTC heating member surface temperature is no more than 100 DEG C.
Preferably, described air heater operate power is 1KW.
Preferably, the quantity of described PTC heating member is 1 ~ 3.
Preferably, when described PTC heating member surface temperature is more than 100 DEG C, cause fuse blows, place circuit of cutting off the electricity supply.
Preferably, described metal tube is aluminum pipe.
Preferably, described metal tube is straight tube or U-shaped pipe.
The invention has the beneficial effects as follows:
The invention provides a kind of air heater with double protection, the dividing plate that the present invention is made by heat-storing material, and be coated with the heat-resisting reflective substrate bed of material in baffle surface and save heat energy further, thus significantly improve the efficiency of heating surface, the characteristic making full use of the positive temperature coefficient of ptc material manufactures PTC heating member, the temperature stabilization of heating can be fluctuated near a definite value, reach the effect of constant temperature heating, not only can automatic constant-temperature, economize energy, can also reduce to a great extent to cause blast, the risk of the security incidents such as fire, unique double protection design having temperature controller and fuse concurrently then improves the security of heater further.
Accompanying drawing explanation
Fig. 1 is the air heater schematic diagram of double protection.
Wherein: 1-rectangle housing, 2-power supply, 3-PTC heating member, 4-forces air circulation device, the heat-resisting reflective substrate bed of material of 5-, 6-infrared temperature measurement device, 7-temperature controller, 8-fuse.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
In one embodiment, as shown in Figure 1, a kind of air heater with double protection, be included in left end and right-hand member be provided with opening rectangle housing 1, force air circulation device 4 and power supply 2, multiple PTC heating member 3 is provided with in housing, described power supply 2 is arranged at bottom described rectangle housing 1, for powering for described PTC heating member 3 and pressure air circulation device 4, described pressure air circulation device 4 rotates counterclockwise, the left end opening of described rectangle housing 1 is air inlet, the right-end openings of described rectangle housing 1 is air outlet
The bottom of described rectangle housing 1 is provided with infrared temperature measurement device 6, described infrared temperature measurement device 6 comprises MEMS thermopile sensor and environment temperature sensor, for measuring described PTC heating member 3 surface temperature, the circuit connection of described power supply 2 place is in series with temperature controller 7, fuse 8 and normally-closed contact, described temperature controller 7 is electrically connected with described infrared temperature measurement device 6, the temperature recorded according to described infrared temperature measurement device 6 controls the break-make of described normally-closed contact
When described PTC heating member 3 surface temperature is more than 90 DEG C, described temperature controller 7 controls described normally-closed contact and flicks, to cut off the electricity supply place circuit, heater quits work, when described PTC heating member 3 surface temperature decline causes 40 DEG C, described temperature controller 7 controls described normally-closed contact and resets, power supply place circuit turn-on
Accumulation of heat dividing plate and lower accumulation of heat dividing plate is also provided with in described rectangle housing 1, described upper accumulation of heat dividing plate is fixed on described rectangle housing 1 top lower surface, described lower accumulation of heat dividing plate is fixed on described rectangle housing 1 bottom upper surface, the lower surface of described upper accumulation of heat dividing plate and the upper surface of lower accumulation of heat dividing plate all scribble the heat-resisting reflective substrate bed of material 5
Described upper accumulation of heat dividing plate and lower accumulation of heat dividing plate are the ceramic composite vacuum insulation plate of glass solder, described composite vacuum insulating plate comprises panel and vacuum chamber, described panel is ceramic wafer, described panel provides additional strength, ensures vacuum chamber planarization under atmospheric pressure for described vacuum chamber, described vacuum chamber is the closed cavity welding edge sealing, under vacuo high temperature sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass and formed, supporter is had in described vacuum chamber
Described PTC heating member 3 comprises metal tube, heater and radiating fin, and it is inner that described heater is positioned at described metal tube, and for going deep into the obtained ceramic crystal of a small amount of rare earths material in barium titanate, described radiating fin is pressed around described metal tube outside.
Preferably, described PTC heating member 3 surface temperature is no more than 100 DEG C.
Preferably, described air heater operate power is 1KW.
Preferably, the quantity of described PTC heating member 3 is 1 ~ 3.
Preferably, when described PTC heating member 3 surface temperature is more than 100 DEG C, causes fuse 8 and fuse, place circuit of cutting off the electricity supply.
Preferably, described metal tube is aluminum pipe.
Preferably, stating metal tube is straight tube or U-shaped pipe.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (7)
1. one kind has the air heater of double protection, it is characterized in that, be included in the rectangle housing (1) that left end and right-hand member are provided with opening, force air circulation device (4) and power supply (2), multiple PTC heating member (3) is provided with in housing, described power supply (2) is arranged at described rectangle housing (1) bottom, for being described PTC heating member (3) and pressure air circulation device (4) power supply, described pressure air circulation device (4) rotates counterclockwise, the left end opening of described rectangle housing (1) is air inlet, the right-end openings of described rectangle housing (1) is air outlet,
The bottom of described rectangle housing (1) is provided with infrared temperature measurement device (6), described infrared temperature measurement device (6) comprises MEMS thermopile sensor and environment temperature sensor, for measuring described PTC heating member (3) surface temperature, the circuit connection of described power supply (2) place is in series with temperature controller (7), fuse (8) and normally-closed contact, described temperature controller (7) is electrically connected with described infrared temperature measurement device (6), the temperature recorded according to described infrared temperature measurement device (6) controls the break-make of described normally-closed contact
When described PTC heating member (3) surface temperature is more than 90 DEG C, described temperature controller (7) controls described normally-closed contact and flicks, to cut off the electricity supply place circuit, heater quits work, when described PTC heating member (3) surface temperature decline causes 40 DEG C, described temperature controller (7) controls described normally-closed contact and resets, power supply place circuit turn-on
Accumulation of heat dividing plate and lower accumulation of heat dividing plate is also provided with in described rectangle housing (1), described upper accumulation of heat dividing plate is fixed on described rectangle housing (1) top lower surface, described lower accumulation of heat dividing plate is fixed on described rectangle housing (1) bottom upper surface, the lower surface of described upper accumulation of heat dividing plate and the upper surface of lower accumulation of heat dividing plate all scribble the heat-resisting reflective substrate bed of material (5)
Described upper accumulation of heat dividing plate and lower accumulation of heat dividing plate are the ceramic composite vacuum insulation plate of glass solder, described composite vacuum insulating plate comprises panel and vacuum chamber, described panel is ceramic wafer, described panel provides additional strength, ensures vacuum chamber planarization under atmospheric pressure for described vacuum chamber, described vacuum chamber is the closed cavity welding edge sealing, under vacuo high temperature sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass and formed, supporter is had in described vacuum chamber
Described PTC heating member (3) comprises metal tube, heater and radiating fin, it is inner that described heater is positioned at described metal tube, for going deep into the obtained ceramic crystal of a small amount of rare earths material in barium titanate, described radiating fin is pressed around described metal tube outside.
2. a kind of air heater with double protection according to claim 1, is characterized in that, described PTC heating member (3) surface temperature is no more than 100 DEG C.
3. a kind of air heater with double protection according to claim 2, is characterized in that, described air heater operate power is 1KW.
4. a kind of air heater with double protection according to claim 3, is characterized in that, the quantity of described PTC heating member (3) is 1 ~ 3.
5. a kind of air heater with double protection according to claim 4, is characterized in that, when described PTC heating member (3) surface temperature is more than 100 DEG C, causes fuse (8) fusing, place circuit of cutting off the electricity supply.
6. a kind of air heater with double protection according to claim 5, is characterized in that, described metal tube is aluminum pipe.
7. a kind of air heater with double protection according to claim 5, is characterized in that, described metal tube is straight tube or U-shaped pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437358.5A CN105042856A (en) | 2015-07-23 | 2015-07-23 | Air heater with double protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437358.5A CN105042856A (en) | 2015-07-23 | 2015-07-23 | Air heater with double protection functions |
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| Publication Number | Publication Date |
|---|---|
| CN105042856A true CN105042856A (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510437358.5A Pending CN105042856A (en) | 2015-07-23 | 2015-07-23 | Air heater with double protection functions |
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| CN (1) | CN105042856A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460742A (en) * | 2017-09-30 | 2017-12-12 | 浙江唐艺织物整理有限公司 | A kind of coating cloth heat-sealing machine heater |
| CN114762807A (en) * | 2021-01-13 | 2022-07-19 | 南京公汇科技有限公司 | Heat protection system of cross heat exchange micro mixer |
| CN117031466A (en) * | 2023-10-09 | 2023-11-10 | 乐山师范学院 | Device and method for monitoring mountain tourist attraction based on radar |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4737616A (en) * | 1986-05-12 | 1988-04-12 | Wen Ying Lee | Multi-function portable electric room heater having a removable heating cartridge |
| US4876436A (en) * | 1988-07-27 | 1989-10-24 | Gte Products Corporation | PTC air heater employing triangular PTC heating elements |
| CN1147616A (en) * | 1996-02-02 | 1997-04-16 | 左谦益 | Heat-insulating plate with vacuum interlayer |
| CN2421570Y (en) * | 2000-01-20 | 2001-02-28 | 保定市通达加热设备有限公司 | High-temp far-infrared directional radiator with vacuum thermal-protective coating |
| CN201066935Y (en) * | 2007-07-02 | 2008-05-28 | 比亚迪股份有限公司 | Protection circuit of electrical heating device and electric heating device with this protection circuit |
| CN203731670U (en) * | 2014-03-12 | 2014-07-23 | 宁波德萨电器制造有限公司 | Centrifugal fan heater |
| CN204482055U (en) * | 2015-03-09 | 2015-07-15 | 美的集团武汉制冷设备有限公司 | PTC electric heater and air conditioner room unit |
-
2015
- 2015-07-23 CN CN201510437358.5A patent/CN105042856A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4737616A (en) * | 1986-05-12 | 1988-04-12 | Wen Ying Lee | Multi-function portable electric room heater having a removable heating cartridge |
| US4876436A (en) * | 1988-07-27 | 1989-10-24 | Gte Products Corporation | PTC air heater employing triangular PTC heating elements |
| CN1147616A (en) * | 1996-02-02 | 1997-04-16 | 左谦益 | Heat-insulating plate with vacuum interlayer |
| CN2421570Y (en) * | 2000-01-20 | 2001-02-28 | 保定市通达加热设备有限公司 | High-temp far-infrared directional radiator with vacuum thermal-protective coating |
| CN201066935Y (en) * | 2007-07-02 | 2008-05-28 | 比亚迪股份有限公司 | Protection circuit of electrical heating device and electric heating device with this protection circuit |
| CN203731670U (en) * | 2014-03-12 | 2014-07-23 | 宁波德萨电器制造有限公司 | Centrifugal fan heater |
| CN204482055U (en) * | 2015-03-09 | 2015-07-15 | 美的集团武汉制冷设备有限公司 | PTC electric heater and air conditioner room unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460742A (en) * | 2017-09-30 | 2017-12-12 | 浙江唐艺织物整理有限公司 | A kind of coating cloth heat-sealing machine heater |
| CN114762807A (en) * | 2021-01-13 | 2022-07-19 | 南京公汇科技有限公司 | Heat protection system of cross heat exchange micro mixer |
| CN117031466A (en) * | 2023-10-09 | 2023-11-10 | 乐山师范学院 | Device and method for monitoring mountain tourist attraction based on radar |
| CN117031466B (en) * | 2023-10-09 | 2023-12-08 | 乐山师范学院 | Device and method for monitoring mountain tourist attraction based on radar |
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Application publication date: 20151111 |