CN203352827U - Special heater for test boxes - Google Patents
Special heater for test boxes Download PDFInfo
- Publication number
- CN203352827U CN203352827U CN 201320372845 CN201320372845U CN203352827U CN 203352827 U CN203352827 U CN 203352827U CN 201320372845 CN201320372845 CN 201320372845 CN 201320372845 U CN201320372845 U CN 201320372845U CN 203352827 U CN203352827 U CN 203352827U
- Authority
- CN
- China
- Prior art keywords
- insulating porcelain
- heating
- heater
- porcelain
- test chamber
- 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.)
- Expired - Fee Related
Links
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 230000008029 eradication Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Resistance Heating (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model provides a special heater for test boxes. The special heater comprises a plurality of heating groups. Each heating group comprises a plurality of insulating porcelain plates which are arranged in parallel successively. A plurality of through holes are formed in the insulating porcelain plates correspondingly. Insulating porcelain tubes run through through holes in two side edge portions of each insulating porcelain plates respectively. Heating wires are arranged in all of the through holes in each insulating porcelain plate between the two insulating porcelain tubes. According to the utility model, a frame is formed by the insulating porcelain tubes and the insulating porcelain plates on each heating group, so not only the advantage of insulation can be realized, and but also the advantage of reinforcing heating wire connection and support can be realized. The heating wires and the insulating porcelain tubes are arranged in parallel, so in the heating process, more than 95% of the heating wires is in effective wind circulation, so that electrothermal efficiency can be improved, and the meltdown rate of the heating wires can be reduced. Meanwhile, the situation that tested samples are polluted due to reason that the insulating porcelain tubes are affected by temperature can be reduced.
Description
Technical field
The utility model relates to the firing equipment field, refers to that especially a kind of test chamber is heater dedicated.
Background technology
In environmental test, when to test product, providing thermal source, mostly use at present spiral porcelain rod heater to provide.Spiral porcelain rod heater is to be wrapped on the porcelain rod heater strip is spiral, has increased the heating diameter of spiral porcelain rod heater; The heater strip that windward side faces toward in the process of heating can be not rubescent, and the heater strip of lee face is rubescent, causes electrothermal efficiency low, and heater strip easily is blown.Simultaneously, because the heater strip of spiral porcelain rod heater is wrapped on the porcelain rod, when heater strip is long-time, easily by boiling hotization of porcelain rod, when doing humid heat test, run into water or steam porcelain rod will burst, and a lot of powder occur, powder will fly out and drop on test product along with wind direction, cause test product contaminated.
The utility model content
For above-mentioned weak point of the prior art, it is heater dedicated that the utility model aims to provide a kind of test chamber, improved electrothermal efficiency in the process of heating, reduced the meltdown rate of heater strip and to the pollution rate of test product.
The technical solution of the utility model is achieved in that a kind of test chamber is heater dedicated, comprise several heating groups, described heating group comprises the several insulation porcelain plates that be arranged in parallel successively, on described insulation porcelain plate, correspondence has several through holes, the through hole that is positioned at insulation position, porcelain plate both sides of the edge is penetrated with respectively porcelain tube, in the through hole on described insulation porcelain plate between two porcelain tubes, is equipped with heater strip.
Wherein, the two ends of described heater are connected with mounting plate.
Particularly, the two ends of described every eradication edge porcelain tube all are connected with standing screw.
Further, between described heater and mounting plate, adopt the standing screw at porcelain tube two ends to be connected.
Further, described insulation porcelain plate spaced set.
Further, between described heating group, be arranged in parallel.
Further, described through hole is more than three.
Compared with prior art, the beneficial effects of the utility model are: the porcelain tube on each heating group, insulation porcelain plate form a framework, not only play the effect of insulation, also heater strip are played to the effect that connects and strengthen support.Heater strip and porcelain tube be arranged in parallel, and in the process of heating, heater strip in effective wind circulation, has promoted electrothermal efficiency more than 95%, has reduced the meltdown rate of heater strip; Simultaneously, reduced the porcelain tube temperature influence and polluted the situation of test product.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is front view of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
Referring to Fig. 1, Fig. 2, a kind of test chamber is heater dedicated, comprise several heating groups, described heating group comprises the several insulation porcelain plates 1 that be arranged in parallel successively, on described insulation porcelain plate 1, correspondence has several through holes 2, the through hole 2 that is positioned at insulation porcelain plate 1 position, both sides of the edge is penetrated with respectively porcelain tube 3, in the through hole 2 on described insulation porcelain plate 1 between two porcelain tubes 3, is equipped with heater strip 4.Described insulation porcelain plate 1 is rectangle, and the through hole 2 on insulation porcelain plate 1 is offered five through holes 2 along the direction at place, long limit.Porcelain tube 3 on each heating group, insulation porcelain plate 1 form a framework, not only play the effect of insulation, also heater strip 4 are played to the effect that connects and strengthen support.Heater strip 4 be arranged in parallel with porcelain tube 3, and in the process of heating, heater strip in effective wind circulation, has promoted electrothermal efficiency more than 95%, has reduced the meltdown rate of heater strip 4; Simultaneously, reduced porcelain tube 3 temperature influences and polluted the situation of test product.
Wherein, the two ends of described heater are connected with mounting plate 5, and the two ends of described every eradication edge porcelain tube 3 all are connected with standing screw 6, between described heater and mounting plate 5, adopt the standing screw 6 at porcelain tube 3 two ends to be connected.Heater when mounted, is fixed on each heating group on mounting plate 5 by screw rod 6, then by mounting plate 5, with test chamber, is connected.Described mounting plate 5 adopts channel-section steel or the manufacture of C shaped steel to form, and mounting plate 5 holding capacity that this channel-section steel or C type process are stronger, long service life.The setting of screw rod 6, make to removably connect between heating group and mounting plate 5, is convenient to change dismounting and maintenance.
During assembling, porcelain tube 3 is enclosed within on standing screw 6, insulation porcelain plate 1 equidistantly is enclosed within on porcelain tube 3, and heater strip 4 is through the through hole 2 on insulation porcelain plate 1, and the two ends of heater strip 4 are fixed on the insulation porcelain plate 1 that is positioned at heater strip 4 two ends.When heating, after heater strip 4 energisings, heater strip 4 generates heat for a long time, and insulation porcelain plate 1 plays the effect of heater strip 4 because falling under long-time heating that prevent.
Further, between described heating group, be arranged in parallel, effectively prevent excess Temperature and boiling hotization porcelain tube 3 between porcelain tube 3, insulation porcelain plate 1, porcelain plate 1 insulate; When damp and hot heating, play the contaminated effect of test product that prevents.If the heating group is intersected or is overlapped, when test product is heated, directly transmission mutually of temperature between porcelain tube 3, insulation porcelain plate 1 in heater, and cause porcelain tube 3, the too high and boiling hot change porcelain tube 3 of insulation porcelain plate 1 temperature, insulation porcelain plate 1, the test test product is easily contaminated.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a test chamber is heater dedicated, it is characterized in that: comprise several heating groups, described heating group comprises the several insulation porcelain plates (1) that be arranged in parallel successively, the upper correspondence of described insulation porcelain plate (1) has several through holes (2), the through hole (2) that is positioned at insulation porcelain plate (1) position, both sides of the edge is penetrated with respectively porcelain tube (3), in the through hole (2) between upper two porcelain tubes of described insulation porcelain plate (1) (3), is equipped with heater strip (4).
2. a kind of test chamber according to claim 1 is heater dedicated, it is characterized in that: the two ends of described heater are connected with mounting plate (5).
3. a kind of test chamber according to claim 1 is heater dedicated, it is characterized in that: the two ends of described every eradication edge porcelain tube (3) all are connected with standing screw (6).
4. a kind of test chamber according to claim 2 is heater dedicated, it is characterized in that: between described heater and mounting plate (5), adopt the standing screw (6) at porcelain tube (3) two ends to be connected.
5. a kind of test chamber according to claim 1 is heater dedicated, it is characterized in that: described insulation porcelain plate (1) spaced set.
6. a kind of test chamber according to claim 1 is heater dedicated, it is characterized in that: between described heating group, be arranged in parallel.
7. a kind of test chamber according to claim 1 is heater dedicated, it is characterized in that: described through hole (2) is more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320372845 CN203352827U (en) | 2013-06-26 | 2013-06-26 | Special heater for test boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320372845 CN203352827U (en) | 2013-06-26 | 2013-06-26 | Special heater for test boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203352827U true CN203352827U (en) | 2013-12-18 |
Family
ID=49752671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320372845 Expired - Fee Related CN203352827U (en) | 2013-06-26 | 2013-06-26 | Special heater for test boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203352827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290609A (en) * | 2019-06-18 | 2019-09-27 | 盾构及掘进技术国家重点实验室 | A kind of internal heat of low vacuum tunnel model test |
-
2013
- 2013-06-26 CN CN 201320372845 patent/CN203352827U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290609A (en) * | 2019-06-18 | 2019-09-27 | 盾构及掘进技术国家重点实验室 | A kind of internal heat of low vacuum tunnel model test |
| CN110290609B (en) * | 2019-06-18 | 2021-11-16 | 盾构及掘进技术国家重点实验室 | Internal heating device for low-vacuum tunnel model test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20170626 |