CN201773137U - Device for indicating working conditions of tunnel drying oven heaters - Google Patents
Device for indicating working conditions of tunnel drying oven heaters Download PDFInfo
- Publication number
- CN201773137U CN201773137U CN2010205181087U CN201020518108U CN201773137U CN 201773137 U CN201773137 U CN 201773137U CN 2010205181087 U CN2010205181087 U CN 2010205181087U CN 201020518108 U CN201020518108 U CN 201020518108U CN 201773137 U CN201773137 U CN 201773137U
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- well heater
- current transformer
- baking oven
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Abstract
The utility model discloses a device for indicating working conditions of tunnel drying oven heaters, comprising more than one set of indicating assemblies and current detecting assemblies respectively corresponding to each heater in a tunnel drying oven, wherein the current detecting assembly monitors working current states of the heaters real time and transforms the detected working current states into current signals to be transmitted to the indicating device. The device of the utility model has the advantages of simple structure, low cost, high accuracy of detection and judgment, strong reliability and the like.
Description
Technical field
The utility model is mainly concerned with packing mechanical equipment fields such as food, pharmacy, refers in particular to the condition checkout gear of well heater in a kind of tunnel baking oven.
Background technology
In packing mechanical equipment fields such as existing food, pharmacy, use the tunnel baking oven that the Packaging Bottle after cleaning is dried usually, simultaneously Packaging Bottle is carried out the high-temperature sterilization sterilization.The well heater that often uses in traditional tunnel baking oven is resistance type heater, and this well heater occurs damaging, opening circuit or under powered phenomenon through regular meeting after using a period of time.But existing well heater working condition indicating device can only generally detect the size of current of Heater group, judges by the size of current of contrast different electrical power phase sequence group whether well heater has damage.
Adopting this detection mode, specifically is which root well heater damages or which root heater heats power reduction, can't be detected, and so just causes the maintenance difficulty; Simultaneously, well heater is along with the increase of tenure of use, and its heating power reduces, and may exist one group of working current of homophase to reduce, and at this moment, well heater not have damage to cause not contrast size of current on the same group different yet, causes erroneous judgement easily; In addition, if during three-phase imbalance, also can cause not contrast size of current on the same group different, the judgement that will make the mistake like this.
The utility model content
Technical problem to be solved in the utility model is: at the technical matters that prior art exists, the utility model provides the working condition indicating device that is used for tunnel baking oven for heating device of a kind of simple in structure, with low cost, detection and accuracy of judgement degree height, good reliability.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of working condition indicating device that is used for tunnel baking oven for heating device, it is characterized in that: comprise corresponding with each well heater in the tunnel baking oven respectively indication component and current detection component more than one group, described current detection component exports indicating device to after monitoring the working current situation of well heater in real time and detected working current situation being converted to electric signal.
As further improvement of the utility model:
Described current detection component is a current transformer, and the working power line of described well heater is arranged in the current transformer, and the output terminal of described current transformer links to each other with the input end of indication component.
Described indication component is a pilot lamp.
Described current transformer is installed in the terminal box, and the lambda line connection terminal on the described terminal box links to each other with the working power line of well heater, and described working power line is arranged in behind the current transformer with outlet connection terminal on the terminal box and links to each other.
The output terminal of described current transformer links to each other with indication component by parallel port connecting line, parallel port connecting line joint.
Compared with prior art, advantage of the present utility model is:
1, the utility model is used for the working condition indicating device of tunnel baking oven for heating device, simple and compact for structure, with low cost, repacking convenience, by making corresponding one group of current detecting unit of each well heater and indicating member, the working condition that just can reflect each well heater in real time, its detecting reliability is strong, real-time good, is convenient to operating personnel and seeks and overhaul, improves maintenance efficiency fast;
2, the utility model is used for the working condition indicating device of tunnel baking oven for heating device, adopt current transformer to detect the electric current of each well heater, and show by the diode pilot lamp, judge the duty of each well heater, accuracy in detection height by the brightness of judging each diode pilot lamp;
3, the utility model is used for the working condition indicating device of tunnel baking oven for heating device, and versatility is stronger, be convenient to produce in batches and be easier to and install and change.
Description of drawings
Fig. 1 is the framed structure synoptic diagram of the utility model specific embodiment.
Marginal data:
1, well heater; 2, heater holder; 3, terminal box; 4, lambda line connection terminal; 5, outlet connection terminal; 6, D.C mutual-inductor; 7, parallel port connecting line joint; 8, parallel port connecting line; 9, pilot lamp; 10, indicating circuit plate; 11, regulator cubicle.
Embodiment
Below with reference to Figure of description and specific embodiment the utility model is described in further details.
As shown in Figure 1, the utility model is used for the working condition indicating device of tunnel baking oven for heating device, comprise indication component and be used for monitoring in real time the current detection component of working current situation in the well heater 1, current detection component exports indicating device to after detected working current situation is converted to electric signal.Because the well heater 1 in the tunnel baking oven is generally several, all be installed on the heater holder 2, each well heater 1 all should be corresponding with one group of current detection component and indication component so, so just can well judge it is which well heater 1 goes wrong, convenience is judged apace well heater 1 and is changed actually.
In the present embodiment, current detection component adopts current transformer 6, and the working power line of well heater 1 is arranged in the current transformer 6, and the output terminal of current transformer 6 links to each other with the input end of indication component.Current transformer 6 adopts conventional model; current transformer 6 is installed in the terminal box 3; lambda line connection terminal 4 on the terminal box 3 links to each other with the working power line of well heater 1; the working power line is arranged in current transformer 6 back and the outlet connection terminals 5 on the terminal box 3 link to each other, and links to each other with control protection electric circuit in the regulator cubicle 11 behind outlet connection terminal 5 again.The output terminal of current transformer 6 links to each other with indication component by parallel port connecting line 8, parallel port connecting line joint 7.Indication component is installed on the regulator cubicle 11, indication component is a pilot lamp 9, promptly adopt conventional LED light all can, the quantity of current transformer 6 and pilot lamp 9 is consistent with the quantity of well heater 1, the working power line that is each well heater 1 passes a corresponding with it current transformer 6, and each current transformer 6 all links to each other with a corresponding with it pilot lamp 9.All pilot lamp 9 all are installed on the indicating circuit plate 10, and indicate the number corresponding with well heater 1.
Principle of work: when well heater 1 is in normal operating conditions, its working power line will generate an electromagnetic field around current transformer 6, makes corresponding with it current transformer 6 produce induction currents.To make corresponding pilot lamp 9 send the light of normal brightness after the induction current output that current transformer 6 produces.When well heater 1 damages or occurs opening circuit, current transformer 6 can not produce induction current, and then corresponding with it pilot lamp 9 can be not luminous, like this when maintenance, operating personnel can observe easily and find the well heater 1 of damage by the numbering of correspondence, with its replacing; When well heater 1 oversize because of tenure of use, when heating power descends during work, then by the electric wire surrounding magnetic field intensity in the corresponding current mutual inductor 6 a little less than, can only produce faint induction current, the normal relatively pilot lamp 9 of then corresponding with it pilot lamp 9, luminous intensity is darker; During maintenance, operating personnel can find unusual well heater 1 and with its replacing by brightness contrast.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the utility model principle prerequisite should be considered as protection domain of the present utility model.
Claims (5)
1. working condition indicating device that is used for tunnel baking oven for heating device, it is characterized in that: comprise corresponding with each well heater (1) in the tunnel baking oven respectively one group of above indication component and current detection component, described current detection component exports indicating device to after monitoring the working current situation of well heater (1) in real time and detected working current situation being converted to electric signal.
2. the working condition indicating device that is used for tunnel baking oven for heating device according to claim 1, it is characterized in that: described current detection component is current transformer (6), the working power line of described well heater (1) is arranged in the current transformer (6), and the output terminal of described current transformer (6) links to each other with the input end of indication component.
3. the working condition indicating device that is used for tunnel baking oven for heating device according to claim 2 is characterized in that: described indication component is pilot lamp (9).
4. according to claim 2 or the 3 described working condition indicating devices that are used for tunnel baking oven for heating device, it is characterized in that: described current transformer (6) is installed in the terminal box (3), lambda line connection terminal (4) on the described terminal box (3) links to each other with the working power line of well heater (1), and described working power line is arranged in current transformer (6) outlet connection terminal (5) back and on the terminal box (3) and links to each other.
5. the working condition indicating device that is used for tunnel baking oven for heating device according to claim 4 is characterized in that: the output terminal of described current transformer (6) links to each other with indication component by parallel port connecting line (8), parallel port connecting line joint (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205181087U CN201773137U (en) | 2010-09-06 | 2010-09-06 | Device for indicating working conditions of tunnel drying oven heaters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205181087U CN201773137U (en) | 2010-09-06 | 2010-09-06 | Device for indicating working conditions of tunnel drying oven heaters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773137U true CN201773137U (en) | 2011-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205181087U Expired - Fee Related CN201773137U (en) | 2010-09-06 | 2010-09-06 | Device for indicating working conditions of tunnel drying oven heaters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949968A (en) * | 2010-09-06 | 2011-01-19 | 长沙楚天科技有限公司 | Working condition indicating device used for tunnel oven heater |
-
2010
- 2010-09-06 CN CN2010205181087U patent/CN201773137U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949968A (en) * | 2010-09-06 | 2011-01-19 | 长沙楚天科技有限公司 | Working condition indicating device used for tunnel oven heater |
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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 |
Granted publication date: 20110323 Termination date: 20190906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |