CN108024396A - Silicon nitride ceramics electric heater - Google Patents
Silicon nitride ceramics electric heater Download PDFInfo
- Publication number
- CN108024396A CN108024396A CN201710979483.8A CN201710979483A CN108024396A CN 108024396 A CN108024396 A CN 108024396A CN 201710979483 A CN201710979483 A CN 201710979483A CN 108024396 A CN108024396 A CN 108024396A
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- CN
- China
- Prior art keywords
- silicon nitride
- shell
- nitride ceramics
- temperature
- heater strip
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- 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.)
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Classifications
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- 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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- Resistance Heating (AREA)
Abstract
The present invention provides a kind of silicon nitride ceramics heater, is related to cigarette manufacture field, including heating core, shell；The heating core is internally provided with the heater strip for being uniformly distributed and being wound in bar shaped matrix, and silicon nitride ceramics base material is surrounded by outside the heater strip；Empty slot is equipped with below the shell, the heating core is installed on inside empty slot, and platinum resistance PT100 is provided between the heating core and shell；The present apparatus be mainly to cigarette processing it is domestic in packaging quickly fixed, such as cigarette filter tip, tobacco rod, outer packaging box, since the heater strip of ceramic heat core inner is distributed uniform, the temperature rise of hot zone is also uniform during heating, cold conditions resistance value is low, rise resistance value with temperature to be incremented by, the thermal efficiency is high, and it is fast to realize that temperature rises, the flames of anger, it is safe to use, heating wire and air insulation, the features such as preventing from aoxidizing.
Description
Technical field
The present invention relates to cigarette manufacture field, and in particular to a kind of silicon nitride ceramics electric heater.
Background technology
The outer cigarettes of state Inner, filter rod outsourcing forming paper gluing after quickly fix；But due to the metal used in the past
It is easy oxidation stain when naked light while calandria high temperature are easily produced when temperature is high in shell calandria heating process, easily swollen
It is swollen, cause the discoloration of cigarette forming paper, the defects of point adhesive curing is bad, cause in cigarette process defective products is too many, cigarette into
The defects of quality is unstable.
The content of the invention
The present invention is directed to the gaps and omissions problem that forming paper dispensing rapid curing easily occurs in cigarette production process, develops one
Kind silicon nitride ceramics electric heater, using the teaching of the invention it is possible to provide quick heating, curing, coordinate temperature controller to monitor in real time, set ceramics to add
The temperature operating status of hot body.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of silicon nitride ceramics electric heater,
Including heating core, shell；The heating core is internally provided with the heater strip for being uniformly distributed and being wound in bar shaped matrix, the heater strip
Outside is surrounded by silicon nitride ceramics base material；Empty slot is equipped with below the shell, the heating core is installed on inside empty slot, the heating
Platinum resistance PT100 is installed between core and shell.
Preferably, hot pressed sintering is sealed outside heater strip after the silicon nitride ceramics base material shaping.
Preferably, the shell both ends are equipped with first through hole, for allowing high temperature resistant wire to pass through first through hole and heating core
Internal heater strip is connected.
Preferably, the shell middle part is equipped with the second through hole, and the platinum resistance PT100 temperature detections line passes through second
Through hole is connected with temperature controller.
Preferably, the upper end of the shell is installed together by buckle and metal fixed block.
Preferably, the platinum resistance PT100 is connected to temperature detection controller, the temperature detection controller be connected to after
Electric appliance, the relay are connected to AC power, and the AC power is connected to heater strip by high temperature resistant wire.
The present apparatus be mainly it is domestic to cigarette processing in packaging quickly fixed, such as cigarette filter tip, tobacco rod, exterior wrap
Mounted box etc., since the heater strip of ceramic heat core inner is distributed uniform, the temperature rise of hot zone is also uniform during heating, cold conditions resistance value
It is low, rise resistance value with temperature and be incremented by, the thermal efficiency is high, it is fast to realize that temperature rises, the flames of anger is safe to use, and heating wire is exhausted with air
Edge, the features such as preventing from aoxidizing.
The present invention provides a kind of silicon nitride ceramics electric heater, have the characteristics that：
1st, using the high-performance silicon nitride ceramics that proprietary formula hot pressed sintering manufactures, high temperature mechanical strength is high, firmly for matrix
It is high to spend high-wear resistance, thermal shock resistance is strong, and thermal coefficient of expansion is small, acid-alkali-corrosive-resisting, has good insulation performance with leading
Hot property, programming rate is fast, and 10S internal surface temperatures rise to 1200 degree；
2nd, the characteristic such as flames of anger in heating process, calandria should not be aoxidized, and heat-conductive characteristic is good；
3rd, calandria built-in temperature detection platinum resistance, coordinates the use of precision temperature control detection device to realize that heating is automatic
Control function, product switching electricity are suitable in the course of work, quick response frequent to temperature requirements up to more than 100,000 times
Requirement；
4th, wide cut is hot bonding up to 296mm, is applicable in more specification packing material bondings.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the shell mechanism schematic diagram in the present invention；
Fig. 3 is the principle of the present invention block diagram.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
, it is necessary to explanation in description of the invention, the orientation of instruction such as term " vertical ", " on ", " under ", " level " or
Person's position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of and describes this practicality and simplify to describe,
Rather than instruction either implies that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.In addition, " first ", " second ", " the 3rd ", " the 4th " are only used for description mesh
, and it is not intended that instruction or hint relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise clear and definite regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection, can mechanically connect or be electrically connected, can be directly connected to or be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Embodiment 1：
As shown in Figure 1 and Figure 2, a kind of silicon nitride ceramics electric heater, including heating core 1, shell 2；In the heating core 1
Portion is equipped with the heater strip 101 for being uniformly distributed and being wound in bar shaped matrix, and silicon nitride ceramic substrate is surrounded by outside the heater strip 101
Material 102；The lower section of shell 2 is equipped with empty slot 201, and the heating core 1 is installed on inside empty slot 201, the heating core 1 and shell
Platinum resistance PT1003 is installed between 2.
Embodiment 2：
A kind of silicon nitride ceramics electric heater, including heating core 1, shell 2；The heating core 1, which is internally provided with, to be uniformly distributed
The heater strip 101 being wound in bar shaped matrix, is surrounded by silicon nitride ceramics base material 102 outside the heater strip 101；The shell 2
Lower section is equipped with empty slot 201, and the heating core 1 is installed on inside empty slot 201, and platinum is provided between the heating core 1 and shell 2
Resistance PT1003.
Preferably, hot pressed sintering is sealed after the silicon nitride ceramics base material 102 is molded outside heater strip 101.
Preferably, 2 both ends of shell are equipped with first through hole 202, for allowing high temperature resistant wire 4 to pass through first through hole 202
It is connected with the heater strip 101 inside heating core 1.
Preferably, 2 middle part of shell is equipped with the second through hole 203, and the platinum resistance PT1003 temperature detection lines are worn
The second through hole 203 is crossed with temperature controller to be connected.
Preferably, the upper end of the shell 2 is installed together by buckle and metal fixed block.
Embodiment 3：
A kind of silicon nitride ceramics electric heater, including heating core 1, shell 2；The heating core 1, which is internally provided with, to be uniformly distributed
The heater strip 101 being wound in bar shaped matrix, is surrounded by silicon nitride ceramics base material 102 outside the heater strip 101；The shell 2
Lower section is equipped with empty slot 201, and the heating core 1 is installed on inside empty slot 201, and platinum is provided between the heating core 1 and shell 2
Resistance PT1003.
Preferably, hot pressed sintering is sealed after the silicon nitride ceramics base material 102 is molded outside heater strip 101.
Preferably, 2 both ends of shell are equipped with first through hole 202, for allowing high temperature resistant wire 4 to pass through first through hole 202
It is connected with the heater strip 101 inside heating core 1.
Preferably, 2 middle part of shell is equipped with the second through hole 203, and the platinum resistance PT1003 temperature detection lines are worn
The second through hole 203 is crossed with temperature controller to be connected.
Preferably, the upper end of the shell 2 is installed together by buckle and metal fixed block.
As shown in figure 3, the platinum resistance PT1003 is connected to temperature detection controller 5, the temperature detection controller 5 connects
Relay 6 is connected to, the relay 6 is connected to AC power 7, and the AC power 7 is connected to by high temperature resistant wire 4 to be added
Heated filament 101.
Present apparatus principle：Temperature detection controller detects silicon nitride ceramics by platinum resistance PT100 after normal ON power supply
The temperature of calandria, when temperature is less than temperature controller setpoint, temperature controller opens relay and is attracted switch to nitridation
The power supply of silicon ceramic electric heater makes its heating, when the temperature value of silicon nitride ceramics electric heater reaches temperature controller setpoint
When, temperature controller disconnects relay and is attracted switch, silicon nitride ceramics calandria is stopped heating.
Outsourcing silicon nitride ceramics base material shaping after being wound on heating core bar shaped Ji Te is uniformly distributed using extraordinary heater strip
Sealing hot pressed sintering forms afterwards, prevents heater strip from aoxidizing in the heating process that works, extraordinary heater strip cold conditions resistance value is low, power density
Greatly, rise resistance value with temperature to be incremented by, it is fast to realize that temperature rises, thermal shock is small in uphill process, and state heating power is constant to wait spy
Property, ceramic body has surface insulation, wear-resisting feature after sintering.
It is moulding using the silicon nitride powder hot pressed sintering progress of proprietary formula, double sintering is carried out after polishing, there is ceramic body
The characteristics such as surface is smooth, wear-resisting, insulation, heat transfer, thermal coefficient of expansion are small.After coordinating ceramic heating core installation, heat can be played
Transmission, hot energy storage, the constant control effect for reaching hot stable state.Silicon nitride has many excellent characteristics：It is a kind of superhard thing
Matter, especially hot pressed silicon nitride (HPSN), are one of materials most hard in the world, itself has lubricity, and wear-resistant, during high temperature
It is anti-oxidant, and it can also resist thermal shock, be heated to more than 1000 DEG C in atmosphere, and quick refrigeration drastically heats again,
Will not fragmentation, intensity can maintain the high temperature to 1200 DEG C and to have surprising resistance to chemical corrosion without declining, be resistant to always
Almost all of inorganic acid and less than 30% soda bath, are also resistant to the corrosion of many organic acids, and not by aluminium, lead, tin,
The many kinds molten metal such as silver, brass, nickel or alloy are infiltrated or corroded, while are a kind of high-performance electric insulating materials again.
Using platinum resistance PT100 as temperature-detecting device, platinum resistance PT100 is a kind of most common temperature of middle low-temperature space
Detector.Its temperature-measurement principle is to increase this characteristic with the increase of temperature based on the resistance value of metallic conductor to be surveyed into trip temperature
Amount.It is mainly characterized by high certainty of measurement, and performance is stablized.It is not only widely used in industrial thermometric, and is made into marking
Reference of reference instrument.Change in resistance is passed to temperature control equipment, realization automatically controls.
The technical parameter of the present apparatus：
1. input voltage：110Vac/220Vac；
2. incoming frequency：50-60Hz；
3. output power：1300W-800W (30 DEG C -280 DEG C of corresponding temperature)；
4. platinum resistance detection temperature scope：- 500 DEG C of temperature-measuring range -100 DEG C；
5. use environment：- 70 DEG C of storage temperature -40 DEG C；
Operating humidity 0-90%, no condensation；
Maximum temperature control prevents damage platinum resistance within 500 DEG C during work；
Forbid suddenly cold and hot, forbid water or other liquid when heating hot operation state；
It is splashed to fever body surface.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to foregoing each implementation
Technical solution described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical solution.
Claims (6)
1. a kind of silicon nitride ceramics heater, it is characterised in that including heating core (1), shell (2)；The heating core (1) is internal
Equipped with the heater strip (101) that is wound in bar shaped matrix is uniformly distributed, silicon nitride ceramic substrate is surrounded by outside the heater strip (101)
Material (102)；Empty slot (201) is equipped with below the shell (2), the heating core (1) is installed on empty slot (201) inside, described to add
Platinum resistance PT100 (3) is installed between hot core (1) and shell (2).
2. silicon nitride ceramics heater as claimed in claim 1, it is characterised in that the silicon nitride ceramics base material (102) into
It is exterior in heater strip (101) that hot pressed sintering is sealed after type.
3. silicon nitride ceramics heater as claimed in claim 1, it is characterised in that it is logical that shell (2) both ends are equipped with first
Hole (202), for allowing high temperature resistant wire (4) to be connected through first through hole (202) heater strip (101) internal with heating core (1)
Connect.
4. silicon nitride ceramics heater as claimed in claim 1, it is characterised in that shell (2) middle part is equipped with the
Two through holes (203), platinum resistance PT100 (3) the temperature detection line are connected through the second through hole (203) with temperature controller.
5. silicon nitride ceramics heater as claimed in claim 1, it is characterised in that the upper end of the shell (2) passes through buckle
It is installed together with metal fixed block.
6. silicon nitride ceramics heater as claimed in claim 1, it is characterised in that the platinum resistance PT100 (3) is connected to temperature
Degree detection controller (5), the temperature detection controller (5) are connected to relay (6), and the relay (6) is connected to exchange
Power supply (7), the AC power (7) are connected to heater strip (101) by high temperature resistant wire (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979483.8A CN108024396A (en) | 2017-10-19 | 2017-10-19 | Silicon nitride ceramics electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979483.8A CN108024396A (en) | 2017-10-19 | 2017-10-19 | Silicon nitride ceramics electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108024396A true CN108024396A (en) | 2018-05-11 |
Family
ID=62080205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710979483.8A Pending CN108024396A (en) | 2017-10-19 | 2017-10-19 | Silicon nitride ceramics electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108024396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572890A (en) * | 2019-08-30 | 2019-12-13 | 合肥亿米特科技股份有限公司 | Ceramic heating device and temperature closed-loop control system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160517A (en) * | 1995-12-22 | 1997-10-01 | 豪尼机械制造股份公司 | Apparatus for heating adhesive-containing seams of wrappers of rods of tobacco processing industry |
| CN201509593U (en) * | 2009-09-15 | 2010-06-23 | 郑州精创电子科技有限公司 | Iron sealing device on automatic cigarette making and filter assembling machine |
| CN202475796U (en) * | 2012-03-23 | 2012-10-03 | 广州石潮特种陶瓷制造有限公司 | Silicon nitride dry point type electric heating device for tobacco industry |
| CN102821494A (en) * | 2012-08-31 | 2012-12-12 | 黎石红 | Silicon nitride electric heating element and manufacturing method thereof |
| CN102917478A (en) * | 2011-08-01 | 2013-02-06 | 张莹 | Heating protection system for electric blanket |
| CN206251353U (en) * | 2016-12-08 | 2017-06-13 | 深圳市兴鸿昌电器有限公司 | A kind of cermet composite heating core |
| CN207531897U (en) * | 2017-10-19 | 2018-06-26 | 安徽科达自动化集团股份有限公司 | Silicon nitride ceramics electric heater |
-
2017
- 2017-10-19 CN CN201710979483.8A patent/CN108024396A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160517A (en) * | 1995-12-22 | 1997-10-01 | 豪尼机械制造股份公司 | Apparatus for heating adhesive-containing seams of wrappers of rods of tobacco processing industry |
| CN201509593U (en) * | 2009-09-15 | 2010-06-23 | 郑州精创电子科技有限公司 | Iron sealing device on automatic cigarette making and filter assembling machine |
| CN102917478A (en) * | 2011-08-01 | 2013-02-06 | 张莹 | Heating protection system for electric blanket |
| CN202475796U (en) * | 2012-03-23 | 2012-10-03 | 广州石潮特种陶瓷制造有限公司 | Silicon nitride dry point type electric heating device for tobacco industry |
| CN102821494A (en) * | 2012-08-31 | 2012-12-12 | 黎石红 | Silicon nitride electric heating element and manufacturing method thereof |
| CN206251353U (en) * | 2016-12-08 | 2017-06-13 | 深圳市兴鸿昌电器有限公司 | A kind of cermet composite heating core |
| CN207531897U (en) * | 2017-10-19 | 2018-06-26 | 安徽科达自动化集团股份有限公司 | Silicon nitride ceramics electric heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572890A (en) * | 2019-08-30 | 2019-12-13 | 合肥亿米特科技股份有限公司 | Ceramic heating device and temperature closed-loop control system |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |