CN104864936A - Low-temperature oil level alarm with negative temperature coefficient thermistor - Google Patents
Low-temperature oil level alarm with negative temperature coefficient thermistor Download PDFInfo
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- CN104864936A CN104864936A CN201510249496.0A CN201510249496A CN104864936A CN 104864936 A CN104864936 A CN 104864936A CN 201510249496 A CN201510249496 A CN 201510249496A CN 104864936 A CN104864936 A CN 104864936A
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- oil level
- temperature
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- thermistor
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Abstract
The invention discloses a low-temperature oil level alarm with a negative temperature coefficient (NTC) thermistor and relates to a low oil level alarming sensor. The low-temperature oil level alarm comprises the NTC thermistor, a nickel plated copper shell, an epoxy cover plate, a copper terminal and a Teflon high-temperature wire, wherein the NTC thermistor is arranged in the nickel plated copper shell, the nickel plated copper shell and the epoxy cover plate are combined in a covering mode, the copper terminal is connected with one side of the epoxy cover plate, and the NTC thermistor is connected with a bulb in series through the Teflon high-temperature wire. The low-temperature oil level alarm with the NTC thermistor is low in manufacturing cost, stable in performance, fast in response, easier and more convenient to operate, longer in service life and high in practicality.
Description
Technical field
What the present invention relates to is a kind of low oil level alarm sensor, is specifically related to negative tempperature coefficient thermistor low-temperature oil level alarm.
Background technology
When current most of automobile, motorcycle tank do not have oil, there is no warning reminding function, very inconvenient, the oil level alarm having warning reminding function at some then generally adopts tongue tube type to realize this function, make it there is manufacturing cost high, stability in use is poor, operates the defects such as not easy, in order to solve the problem, design a kind of novel negative tempperature coefficient thermistor low-temperature oil level alarm or necessary.
Summary of the invention
For the deficiency that prior art exists, the present invention seeks to be to provide a kind of negative tempperature coefficient thermistor low-temperature oil level alarm, structure is simple, reasonable in design, low cost of manufacture, smooth performance, is swift in response, operate easier, longer service life, practical.
To achieve these goals, the present invention realizes by the following technical solutions: negative tempperature coefficient thermistor low-temperature oil level alarm, comprise negative temperature coefficient NTC thermistor, copper nickel plating shell, epoxy cover plate, copper tip and Furtulon high temperature wire, negative temperature coefficient NTC thermistor is installed in copper nickel plating enclosure, copper nickel plating shell and epoxy cover plate cover, the side of epoxy cover plate is connected with copper tip, negative temperature coefficient NTC thermistor is connected with bulb by Furtulon high temperature wire, composition measure loop.
As preferably, described measure loop is in-10 DEG C of still airs, and when adding minimum voltage DC 11V, in loop, electric current reached the time of lighting current setting 135mA within 180 seconds; Run in the static fuel oil of 60 DEG C, when adding maximum voltage DC 15V in measure loop, in loop, current saturation value is below 60mA.
Beneficial effect of the present invention: solve fuel tank when not having oil, the problem of alarm free prompting function, low cost of manufacture, smooth performance, is swift in response, and operates easier, longer service life, practical.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is decomposition texture schematic diagram of the present invention;
Fig. 2 is package assembly schematic diagram of the present invention;
Fig. 3 is the circuit diagram of measure loop of the present invention;
Fig. 4 is the process chart of negative temperature coefficient NTC thermistor of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
With reference to Fig. 1-4, this embodiment is by the following technical solutions: negative tempperature coefficient thermistor low-temperature oil level alarm, comprise negative temperature coefficient NTC thermistor 1, copper nickel plating shell 2, epoxy cover plate 3, copper tip 4 and Furtulon high temperature wire 5, it is inner that negative temperature coefficient NTC thermistor 1 is installed in copper nickel plating shell 2, copper nickel plating shell 2 and epoxy cover plate 3 cover, the side of epoxy cover plate 3 is connected with copper tip 4, negative temperature coefficient NTC thermistor 1 is connected with bulb by Furtulon high temperature wire 5, composition measure loop.
It should be noted that in-10 DEG C of still airs, when adding minimum voltage DC11V in measure loop, in loop, electric current reached the time of lighting current setting 135mA within 180 seconds; Run in the static fuel oil of 60 DEG C, when adding maximum voltage DC 15V in measure loop, in loop, current saturation value is below 60mA.
This embodiment negative temperature coefficient NTC thermistor 1 manufactures simply, stable movement, life-span is long, its process chart is as Fig. 4, first the rear compressing tablet of batch mixing operation is carried out in batching, batch mixing, pre-burning again, sintering, silver ink firing, sensitization are seasoned again to be put elargol after silver, silver ink firing, picking according to resistance, again through picking according to resistance, welding, seal, its material mixture ratio is as shown in table 1:
Table 1
| Sequence number | Title material | Rank | 2 kilograms of ball millings cylinder proportioning (g) |
| 1 | Mangano-manganic oxide (Mn3O4) | AR | 800-1200 |
| 2 | Cobalt sesquioxide (Co 2O 3) | Electron level | 300-700 |
| 3 | Silicon dioxide (SiO2) | AR | 0.5-5 |
| 4 | Nickel oxide (Nio2) | AR | 100-400 |
| 5 | Deionized water | ＞500KΩ | 3000-5000 |
| 6 | Cupric oxide (CuO) | AR | 0.1-2 |
This embodiment adopts negative tempperature coefficient thermistor to connect the structure of a 3.4W bulb, negative temperature coefficient NTC thermistor 1 is 25 DEG C of normal temperature resistances: 100-2000 Europe, electric current > 135mA when lamp is bright, electric current < 60mA when lamp goes out, in time having oily in fuel tank, negative temperature coefficient NTC thermistor 1 resistance is large, and electric current is little, and bulb goes out; When fuel tank does not have oily time, the heating resistance of negative temperature coefficient NTC thermistor 1 diminishes, and electric current is large, and bulb lights, and reminds user's fuel tank internal not have oil, realizes fuel tank low oil level warning function.
This embodiment low cost of manufacture, smooth performance, is swift in response, and operates easier, has wide market application foreground.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. negative tempperature coefficient thermistor low-temperature oil level alarm, it is characterized in that, comprise negative temperature coefficient NTC thermistor (1), copper nickel plating shell (2), epoxy cover plate (3), copper tip (4) and Furtulon high temperature wire (5), it is inner that negative temperature coefficient NTC thermistor (1) is installed in copper nickel plating shell (2), copper nickel plating shell (2) and epoxy cover plate (3) cover, the side of epoxy cover plate (3) is connected with copper tip (4), negative temperature coefficient NTC thermistor (1) is unified into measure loop by Furtulon high temperature wire (5) and bulb string.
2. negative tempperature coefficient thermistor low-temperature oil level alarm according to claim 1, it is characterized in that, described negative temperature coefficient NTC thermistor (1) 25 DEG C of normal temperature resistance: 100-2000 Europe, electric current > 135mA when lamp is bright, electric current < 60mA when lamp goes out, in time having oily in fuel tank, negative temperature coefficient NTC thermistor (1) resistance is large, electric current is little, and bulb goes out; When fuel tank does not have oily time, the heating resistance of negative temperature coefficient NTC thermistor (1) diminishes, and electric current is large, and bulb lights, and reminds user's fuel tank internal not have oil, realizes fuel tank low oil level warning function.
3. negative tempperature coefficient thermistor low-temperature oil level alarm according to claim 1, it is characterized in that, in-10 DEG C of still airs, when adding minimum voltage DC 11V in measure loop, in loop, electric current reached the time of lighting current setting 135mA within 180 seconds.
4. negative tempperature coefficient thermistor low-temperature oil level alarm according to claim 1, is characterized in that, runs in the static fuel oil of 60 DEG C, and when adding maximum voltage DC 15V in measure loop, in loop, current saturation value is below 60mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510249496.0A CN104864936A (en) | 2015-05-14 | 2015-05-14 | Low-temperature oil level alarm with negative temperature coefficient thermistor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510249496.0A CN104864936A (en) | 2015-05-14 | 2015-05-14 | Low-temperature oil level alarm with negative temperature coefficient thermistor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225597A (en) * | 2015-11-09 | 2016-01-06 | 仁怀市第一中学 | A kind of self-control thermoinduction fire-alarm |
| CN112394758A (en) * | 2020-10-19 | 2021-02-23 | 田和刚 | Powder metallurgy billet sintering temperature control system |
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| CN203629709U (en) * | 2013-11-15 | 2014-06-04 | 深圳市科敏传感器有限公司 | Temperature sensor for electric rice cooker |
| CN203772443U (en) * | 2014-04-10 | 2014-08-13 | 常州市惠昌传感器有限公司 | Fabricated NTC temperature sensor used for household electric appliances |
| CN204301890U (en) * | 2014-12-30 | 2015-04-29 | 江苏由甲申田新能源科技有限公司 | A kind of rubber sheath formula temperature sensor |
| CN204594539U (en) * | 2015-05-14 | 2015-08-26 | 上海尼晶电子科技有限公司 | Negative tempperature coefficient thermistor low-temperature oil level alarm |
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- 2015-05-14 CN CN201510249496.0A patent/CN104864936A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411347Y (en) * | 1999-11-05 | 2000-12-20 | 浙江绍兴怡东仪表有限公司 | Device for alarming when engine dehydration |
| CN2557937Y (en) * | 2002-08-20 | 2003-06-25 | 慈溪市三新汽车零部件有限公司 | Temp. alarm sensor assembly |
| CN101608954A (en) * | 2009-07-16 | 2009-12-23 | 汪洋 | A kind of manufacture method of NTC temperature sensor |
| CN102889943A (en) * | 2011-07-18 | 2013-01-23 | 苏州创佳电子科技有限公司 | NTC (Negative Temperature Coefficient) temperature sensor |
| CN202307268U (en) * | 2011-07-19 | 2012-07-04 | 常州神辉电工材料有限公司 | Outdoor snow melting self-regulating heating cable |
| CN203629709U (en) * | 2013-11-15 | 2014-06-04 | 深圳市科敏传感器有限公司 | Temperature sensor for electric rice cooker |
| CN203772443U (en) * | 2014-04-10 | 2014-08-13 | 常州市惠昌传感器有限公司 | Fabricated NTC temperature sensor used for household electric appliances |
| CN204301890U (en) * | 2014-12-30 | 2015-04-29 | 江苏由甲申田新能源科技有限公司 | A kind of rubber sheath formula temperature sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225597A (en) * | 2015-11-09 | 2016-01-06 | 仁怀市第一中学 | A kind of self-control thermoinduction fire-alarm |
| CN112394758A (en) * | 2020-10-19 | 2021-02-23 | 田和刚 | Powder metallurgy billet sintering temperature control system |
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