CN204718709U - The proving installation of a kind of contact temperature rise - Google Patents
The proving installation of a kind of contact temperature rise Download PDFInfo
- Publication number
- CN204718709U CN204718709U CN201520424866.5U CN201520424866U CN204718709U CN 204718709 U CN204718709 U CN 204718709U CN 201520424866 U CN201520424866 U CN 201520424866U CN 204718709 U CN204718709 U CN 204718709U
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- temperature
- chip microcomputer
- temperature rise
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Abstract
The utility model relates to the proving installation of a kind of contact temperature rise, comprise temperature sensor, single-chip microcomputer and computer, the temperature-sensing probe of described temperature sensor is provided with contact, described contact is the disc-shaped overlaped, described temperature-sensing probe is clipped in the centre of two contacts, arc-extinguish chamber is also stamped in the outside of described contact, an asbestos cover is also stamped in the outside of described arc-extinguish chamber, described temperature sensor is connected with single-chip microcomputer, described single-chip microcomputer is provided with bluetooth module, described computer is also provided with bluetooth module, and described single-chip microcomputer and computer are by bluetooth module communication.The proving installation of a kind of contact temperature rise that the utility model provides is rational in infrastructure, can test out the temperature rise at each position of voltage electrical equipment fast and accurately, can also realize long-range, multiple spot, real time temperature measurement by the communication of single-chip microcomputer and computer.
Description
Technical field
The utility model relates to temperature measuring equipment, is the proving installation of a kind of contact temperature rise specifically.
Background technology
Contact can produce oxidation, ablation because of long-time running, causes loose contact, and contact resistance is excessive etc. causes contact temperature rise too high, develops into and to a certain degree likely burns contact, thus causes and have a power failure or the generation of fire failure.For avoiding the generation of this type of accident, need to monitor contact temperature rise.Temperature rise model and test method thereof are the main contents in low-tension switch electric appliance standard, and the temperature rise in electric equipment is caused by various losses such as conductor, contact, magnetic circuits, and particularly how contact portion temperature rise limit value is determined, attracts people's attention especially.
The temperature rise of switch contact, generally applies thermocouple measurement.During measurement, the hot junction silver soldering of thermopair, soldering, gluing or boring embedment method are fixed on the measurement point of hearstone part, and its two amphitenes are twisted mutually turn round, outside the reach being simultaneously placed in strong alternating magnetic field as far as possible.Thermocouple method is not only simple but also directly perceived, and cost compare is low; But shortcoming is that not only measurement range is little, testing crew is in whole process of the test, in order to ensure test findings accurately and reliably, all the time the supervision must carrying out test parameters regulates, in order to avoid because current/voltage fluctuation and the resistance variations of test loop adstante febre and the change of contact resistance are on the impact of heating current, cause test result to be forbidden, and also will carry out loaded down with trivial details data record in process of the test.There is the interference of precision low, insensitive to temperature variation, easy light in traditional infrared measurement of temperature mode and applicable situation limits to larger; Emerging optical fiber temperature-measurement then exists that cost is high, debug difficulties, installation are complicated, must the problem of additional lasing light emitter, is difficult to promote.Therefore, in order to reduce the labour intensity of tester, guaranteeing the accuracy of test figure, realizing the robotization of electrical contact temperature rise test process, seek temperature rise test new method very necessary.
Utility model content
For the defect existed in prior art, the subject matter that the utility model solves is that traditional infrared measurement of temperature mode exists the interference of precision low, insensitive to temperature variation, easy light and applicable situation limits to larger; Emerging optical fiber temperature-measurement then exists that cost is high, debug difficulties, installation are complicated, must the problem of additional lasing light emitter, is therefore difficult to promote.
For reaching above object, the technical scheme that the utility model is taked is:
The proving installation of a kind of contact temperature rise, comprise temperature sensor, single-chip microcomputer and computer, the temperature-sensing probe of described temperature sensor is provided with contact, described contact is the disc-shaped overlaped, described temperature-sensing probe is clipped in the centre of two contacts, arc-extinguish chamber is also stamped in the outside of described contact, an asbestos cover is also stamped in the outside of described arc-extinguish chamber, described temperature sensor is connected with single-chip microcomputer, described single-chip microcomputer is provided with bluetooth module, described computer is also provided with bluetooth module, and described single-chip microcomputer and computer are by bluetooth module communication.
On the basis of technique scheme, described temperature sensor model is DS18B20.
On the basis of technique scheme, described two panels contact and temperature-sensing probe are fixed together by gluing.
On the basis of technique scheme, described arc-extinguish chamber is adhesively fixed on the outside of contact.
On the basis of technique scheme, the shape of described arc-extinguish chamber is U-lag shape, described arc-extinguish chamber has many gaps side by side.
On the basis of technique scheme, described asbestos cover is the dome shape covered on arc-extinguish chamber, and the top of described asbestos cover has multiple small through hole.
The proving installation of a kind of contact temperature rise that the utility model provides is rational in infrastructure, can test out the temperature rise at each position of voltage electrical equipment fast and accurately, can also realize long-range, multiple spot, real time temperature measurement by the communication of single-chip microcomputer and computer.
Accompanying drawing explanation
The utility model has following accompanying drawing:
The structural representation of the proving installation of Fig. 1 a kind of contact temperature rise.
In figure: 1, temperature sensor; 2, temperature-sensing probe; 3, contact; 4, single-chip microcomputer; 5, arc-extinguish chamber; 6, asbestos cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the proving installation of a kind of contact temperature rise that the utility model provides comprises temperature sensor, single-chip microcomputer and computer.The temperature-sensing probe of temperature sensor is provided with contact, and contact is two disks overlaped, and the contact temperature-sensitive even results of disc-shaped is better.Contact welds or is bonded on the switch contact of electrical equipment, temperature-sensing probe is clipped in the middle one-tenth closed of two contacts, the temperature found out of such temperature-sensing probe is closer to the temperature of switch contact contact, arc-extinguish chamber is also stamped in the outside of contact, an asbestos cover is also stamped in the outside of arc-extinguish chamber, asbestos cover can play insulation, fire-retardant, avoid heat conducting effect.Temperature sensor is connected with single-chip microcomputer, and single-chip microcomputer is provided with bluetooth module, and computer is also provided with bluetooth module, and single-chip microcomputer and computer are by bluetooth module communication.The data that temperature sensor collects, by the process of single-chip microcomputer, pass to the further analyzing and processing of computer end by single-chip microcomputer by bluetooth module.Can connect up like this, thus realize multi-point remote temp measuring.
In present embodiment, temperature sensor model is DS18B20, for the 1-WIRE digital temperature sensor that U.S. DALCES semiconductor company produces, it utilizes semiconductor P-N junction junction voltage within the scope of its normal working temperature to rise with temperature and the principle that declines and well-designed realization.Can directly realize Digital output and test, have that controlling functions is strong, high precision, long transmission distance, antijamming capability strong, the feature such as microminiaturized and Micro Energy Lose.Temperature measurement range is-55 DEG C ~ 125 DEG C, and in-10 DEG C ~+85 DEG C temperature ranges, measuring accuracy can reach 0.5 DEG C, Power supply scope 3.3V ~ 5V.
Be that the novel unibus digital temperature sensor collection temperature survey of representative and A/D are transformed in one with DS18B20, direct output digital quantity, simple with interface microcontroller circuit structure, be widely used in distance, occasion that Node distribution is many, with low cost, there is stronger application value.
In present embodiment, two panels contact and temperature-sensing probe are fixed together by gluing.Arc-extinguish chamber is adhesively fixed on the outside of contact, and the shape of arc-extinguish chamber is U-lag shape, arc-extinguish chamber has many gaps side by side, can be good at playing reduction arc temperature, accelerates the effect of arc extinction.In present embodiment, asbestos cover is the dome shape covered on arc-extinguish chamber, and the top of asbestos cover has multiple small through hole, can play ventilative effect, preventing the impact of gas expansion when producing electric arc.
The proving installation of a kind of contact temperature rise that the utility model provides is rational in infrastructure, can test out the temperature rise at each position of voltage electrical equipment fast and accurately, can also realize long-range, multiple spot, real time temperature measurement by the communication of single-chip microcomputer and computer.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within protection domain of the present utility model.
Claims (6)
1. the proving installation of a contact temperature rise, it is characterized in that, comprise temperature sensor, single-chip microcomputer and computer, the temperature-sensing probe of described temperature sensor is provided with contact, described contact is the disc-shaped overlaped, described temperature-sensing probe is clipped in the centre of two contacts, arc-extinguish chamber is also stamped in the outside of described contact, an asbestos cover is also stamped in the outside of described arc-extinguish chamber, described temperature sensor is connected with single-chip microcomputer, described single-chip microcomputer is provided with bluetooth module, and described computer is also provided with bluetooth module, and described single-chip microcomputer and computer are by bluetooth module communication.
2. the proving installation of a kind of contact temperature rise as claimed in claim 1, is characterized in that: described temperature sensor model is DS18B20.
3. the proving installation of a kind of contact temperature rise as claimed in claim 1, is characterized in that: described two panels contact and temperature-sensing probe are fixed together by gluing.
4. the proving installation of a kind of contact temperature rise as claimed in claim 1, is characterized in that: described arc-extinguish chamber is adhesively fixed on the outside of contact.
5. the proving installation of a kind of contact temperature rise as claimed in claim 1, is characterized in that: the shape of described arc-extinguish chamber is U-lag shape, described arc-extinguish chamber has many gaps side by side.
6. the proving installation of a kind of contact temperature rise as claimed in claim 1, is characterized in that: described asbestos cover is the dome shape covered on arc-extinguish chamber, and the top of described asbestos cover has multiple small through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424866.5U CN204718709U (en) | 2015-06-19 | 2015-06-19 | The proving installation of a kind of contact temperature rise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424866.5U CN204718709U (en) | 2015-06-19 | 2015-06-19 | The proving installation of a kind of contact temperature rise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204718709U true CN204718709U (en) | 2015-10-21 |
Family
ID=54317700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424866.5U Expired - Fee Related CN204718709U (en) | 2015-06-19 | 2015-06-19 | The proving installation of a kind of contact temperature rise |
Country Status (1)
| Country | Link |
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| CN (1) | CN204718709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023507A (en) * | 2016-06-23 | 2016-10-12 | 黑龙江正基消防工程有限公司 | Fire fighting control system fire alarm controller based on integrated touch screen machine |
| CN112729612A (en) * | 2020-12-28 | 2021-04-30 | 温州大学 | Method and system for measuring contact temperature rise of contact resistance equivalent model |
-
2015
- 2015-06-19 CN CN201520424866.5U patent/CN204718709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023507A (en) * | 2016-06-23 | 2016-10-12 | 黑龙江正基消防工程有限公司 | Fire fighting control system fire alarm controller based on integrated touch screen machine |
| CN112729612A (en) * | 2020-12-28 | 2021-04-30 | 温州大学 | Method and system for measuring contact temperature rise of contact resistance equivalent model |
| CN112729612B (en) * | 2020-12-28 | 2024-01-05 | 温州大学 | Measuring method and system for contact temperature rise of contact resistance equivalent model |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Haiyan Document name: Notification to Pay the Fees |
|
| 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: 20151021 Termination date: 20160619 |