CN207531897U - Silicon nitride ceramics electric heater - Google Patents
Silicon nitride ceramics electric heater Download PDFInfo
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- CN207531897U CN207531897U CN201721370656.8U CN201721370656U CN207531897U CN 207531897 U CN207531897 U CN 207531897U CN 201721370656 U CN201721370656 U CN 201721370656U CN 207531897 U CN207531897 U CN 207531897U
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- silicon nitride
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- nitride ceramics
- heating core
- heater strip
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Abstract
The utility model provides a kind of silicon nitride ceramics electric 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 mounted on inside empty slot, and platinum resistance PT100 is equipped 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 Wen Sheng of hot zone is also uniform during heating, cold conditions resistance value is low, it is incremented by with temperature rise resistance value, the thermal efficiency is high, realizes that temperature rise is fast, 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 utility model is related to cigarette manufacture fields, 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 open fire while calandria high temperature are easily generated when temperature is high in shell calandria heating process, easily swollen
It is swollen, lead to 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.
Utility model content
The utility model is directed to the gaps and omissions problem that forming paper dispensing rapid curing is susceptible in cigarette production process, develops
Go out a kind of silicon nitride ceramics electric heater, be capable of providing quick heating, curing, cooperation temperature controller real time monitoring, setting pottery
The temperature operating status of porcelain calandria.
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of silicon nitride ceramics electricity adds
Hot device, 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, described
Silicon nitride ceramics base material is surrounded by outside heater strip；Empty slot is equipped with below the shell, the heating core is mounted on inside empty slot, institute
It states and platinum resistance PT100 is installed between heating core and shell.
Preferably, hot pressed sintering is sealed outside heater strip after the silicon nitride ceramics base material molding.
Preferably, the shell both ends are equipped with first through hole, for high temperature resistant wire to be allowed to pass through first through hole and heating core
Internal heater strip is connected.
Preferably, position is equipped with the second through-hole among the shell, 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, external wrap
Mounted box etc., since the heater strip of ceramic heat core inner is distributed uniform, the Wen Sheng of hot zone is also uniform during heating, cold conditions resistance value
It is low, it is incremented by with temperature rise resistance value, the thermal efficiency is high, realizes that temperature rise is fast, the flames of anger is safe to use, and heating wire is exhausted with air
Edge, the features such as preventing from aoxidizing.
The utility model provides a kind of silicon nitride ceramics electric heater, has 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 coefficient of thermal expansion is small, acid-alkali-corrosive-resisting, has good insulation performance with leading
Hot property, heating rate is fast, and 10S internal surface temperatures rise to 1200 degree；
2nd, the characteristics 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, the detection device use of cooperation precision temperature control can realize that heating is automatic
Control function, the product switching electricity are suitable in the course of work the frequent, quick response to temperature requirements up to 100,000 times or more
Requirement；
4th, wide cut is hot bonding up to 296mm, is applicable in more specification packing material bondings.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the shell mechanism schematic diagram in the utility model；
Fig. 3 is the functional block diagram of the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
In the description of the utility model, it should be noted that the side of the instructions such as term " vertical ", " on ", " under ", " level "
Either position relationship is based on orientation shown in the drawings or position relationship for position, is for only for ease of this practicality of description and simplification is retouched
State rather than indicate either to imply that signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limitation to the utility model.In addition, " first ", " second ", " third ", " the 4th " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation " is set unless otherwise specific regulation and limitation, term
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected, it can be mechanical connection or electrical connection, can be directly connected to or by intermediate matchmaker
It is situated between and is connected, can is the connection inside two elements.It for the ordinary skill in the art, can be as the case may be
Understand concrete meaning of the above-mentioned term in the utility model.
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；2 lower section of shell is equipped with empty slot 201, and the heating core 1 is mounted 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 mounted on inside empty slot 201, and platinum is equipped between the heating core 1 and shell 2
Resistance PT1003.
Preferably, sealing hot pressed sintering is outside heater strip 101 after the silicon nitride ceramics base material 102 is molded.
Preferably, 2 both ends of shell are equipped with first through hole 202, for high temperature resistant wire 4 to be allowed to pass through first through hole 202
It is connected with the heater strip 101 inside heating core 1.
Preferably, the 2 intermediate position 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 mounted on inside empty slot 201, and platinum is equipped between the heating core 1 and shell 2
Resistance PT1003.
Preferably, sealing hot pressed sintering is outside heater strip 101 after the silicon nitride ceramics base material 102 is molded.
Preferably, 2 both ends of shell are equipped with first through hole 202, for high temperature resistant wire 4 to be allowed to pass through first through hole 202
It is connected with the heater strip 101 inside heating core 1.
Preferably, the 2 intermediate position 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, and silicon nitride ceramics calandria is made to stop heating.
Outsourcing silicon nitride ceramics base material molding 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, it is incremented by with temperature rise resistance value, realizes that temperature rise is fast, thermal shock is small in uphill process, and state heating power is constant to wait spies
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 is transmitted, coefficient of thermal expansion is 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 object
Matter, especially hot pressed silicon nitride (HPSN) are one of substances most hard in the world, itself have lubricity, and wear-resistant, during high temperature
It is anti-oxidant, and it can also resist thermal shock, be heated to 1000 DEG C or more in air, 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 are corroded, while be 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. input frequency：50-60Hz；
3. output power：1300W-800W (30 DEG C -280 DEG C of corresponding temperature)；
4. platinum resistance detects temperature range：- 100 DEG C -500 DEG C of temperature-measuring range；
5. use environment：- 40 DEG C -70 DEG C of storage temperature；
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.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent replacement to which part technical characteristic；And these
Modification is replaced, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of silicon nitride ceramics electric heater, which is characterized in that 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 ceramics is surrounded by outside the heater strip (101)
Base material (102)；Empty slot (201) is equipped with below the shell (2), the heating core (1) is internal mounted on empty slot (201), described
Platinum resistance PT100 (3) is installed between heating core (1) and shell (2).
2. silicon nitride ceramics electric heater as described in claim 1, which is characterized in that the silicon nitride ceramics base material (102)
It is external in heater strip (101) that hot pressed sintering is sealed after molding.
3. silicon nitride ceramics electric heater as described in claim 1, which is characterized in that shell (2) both ends are equipped with first
Through-hole (202), for allowing high temperature resistant wire (4) across internal heater strip (101) phase of first through hole (202) and heating core (1)
Connection.
4. silicon nitride ceramics electric heater as described in claim 1, which is characterized in that the intermediate position of the shell (2) is equipped with
Second through-hole (203), platinum resistance PT100 (3) the temperature detection line are connected across the second through-hole (203) with temperature controller
It connects.
5. silicon nitride ceramics electric heater as described in claim 1, which is characterized in that the upper end of the shell (2) passes through card
Button and metal fixed block are installed together.
6. silicon nitride ceramics electric heater as described in claim 1, which is characterized in that the platinum resistance PT100 (3) is connected to
Temperature detection controller (5), the temperature detection controller (5) are connected to relay (6), and the relay (6) is connected to friendship
Galvanic electricity source (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 |
|---|---|---|---|
| CN201721370656.8U CN207531897U (en) | 2017-10-19 | 2017-10-19 | Silicon nitride ceramics electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721370656.8U CN207531897U (en) | 2017-10-19 | 2017-10-19 | Silicon nitride ceramics electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207531897U true CN207531897U (en) | 2018-06-26 |
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ID=62610664
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721370656.8U Active CN207531897U (en) | 2017-10-19 | 2017-10-19 | Silicon nitride ceramics electric heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024396A (en) * | 2017-10-19 | 2018-05-11 | 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 CN201721370656.8U patent/CN207531897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024396A (en) * | 2017-10-19 | 2018-05-11 | 安徽科达自动化集团股份有限公司 | Silicon nitride ceramics electric heater |
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