CN208333676U - A kind of chip PTC thermistor with high temperature alarm function - Google Patents
A kind of chip PTC thermistor with high temperature alarm function Download PDFInfo
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- CN208333676U CN208333676U CN201820461950.8U CN201820461950U CN208333676U CN 208333676 U CN208333676 U CN 208333676U CN 201820461950 U CN201820461950 U CN 201820461950U CN 208333676 U CN208333676 U CN 208333676U
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- shell
- fixedly connected
- fixed plate
- input terminal
- output end
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Abstract
The utility model discloses a kind of chip PTC thermistors with high temperature alarm function, including shell, fixed plate is fixedly connected between the two sides of the inner walls, and the top of shell is rotatably connected to screw shell by bearing, and the outer surface of screw shell is fixedly connected with rotating handles, the internal whorl of the screw shell is connected with threaded rod, the bottom end of the threaded rod sequentially passes through shell and fixed plate and extends to the bottom of fixed plate, one end that the threaded rod extends to fixed plate bottom is fixedly connected with movable block, the bottom of the movable block offers loose slot.The utility model can be very good thermistor carrying out temperature detection using temperature sensor, central processing unit will control loudspeaker and warning light, carry out alarm, it is very convenient, temperature detection can be carried out to thermistor in real time, the practicability of thermistor is greatly improved, and meets the use of different people.
Description
Technical field
The utility model relates to a kind of alarm PTC thermistor, specially a kind of chip PTC with high temperature alarm function
Thermistor.
Background technique
Thermal resistor is one kind of sensing element, is divided into positive temperature coefficient thermistor according to temperature coefficient difference
(PTC) and negative temperature coefficient thermistor (NTC).The typical feature of thermal resistor is temperature sensitive, different temperature
Under show different resistance values.Positive temperature coefficient thermistor (PTC) resistance value when temperature is higher is bigger, negative temperature system
Number thermal resistor (NTC) resistance value when temperature is higher is lower, they belong to semiconductor devices, but existing temperature-sensitive is electric
Resistance does not have heat alert function, leads to not the temperature for detecting thermistor, and be not able to satisfy making for different engineers
With the practicability of thermistor greatly reduces to change the resistance value of thermistor.
Utility model content
The purpose of this utility model is to provide a kind of chip PTC thermistors with high temperature alarm function, to solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of chip with high temperature alarm function
PTC thermistor, including shell are fixedly connected with fixed plate between the two sides of the inner walls, and the top of shell is logical
It crosses bearing and is rotatably connected to screw shell, and the outer surface of screw shell is fixedly connected with rotating handles, the screw shell
Internal whorl be connected with threaded rod, the bottom end of the threaded rod sequentially passes through shell and fixed plate and extends to the bottom of fixed plate
Portion, one end that the threaded rod extends to fixed plate bottom are fixedly connected with movable block, and the bottom of the movable block offers work
Dynamic slot, the side of the loose slot inner wall are fixedly connected with temperature sensor, and the side of the shell is fixedly connected with loudspeaker,
The other side of the shell is fixedly connected with warning light, and the bottom of the inner walls two sides is communicated with siphunculus, the shell
Front is fixedly connected with control switch and key, and the top of the fixed plate is fixedly connected sequentially has central processing unit from left to right
And data comparator, the output end of the temperature sensor and the input terminal of data comparator connect, the data comparator
The connection of the input terminal of output end and feedback module, and the input terminal of the output end of feedback module and central processing unit connects.
Preferably, the output end of the control switch and key is connect with the input terminal of central processing unit.
Preferably, the output end of the central processing unit input terminal with loudspeaker, warning light and data comparator respectively
Connection.
Preferably, the output end of the input terminal of the central processing unit and power module is electrically connected.
Preferably, the output end of the power module is electric with the input terminal of temperature sensor, control switch and key respectively
Property connection.
Compared with prior art, the utility model has the beneficial effects that the utility model setting by shell, fixed plate,
Screw shell, rotating handles, threaded rod, movable block, loose slot, temperature sensor, loudspeaker, warning light, siphunculus, control are opened
Pass, key, central processing unit and data comparator are equipped with, the temperature of the normal temperature according to required by thermistor
Value determines the temperature value for needing to input standard, and the temperature value higher than standard is temperature alarming threshold value, then passes through key for temperature
Alarm threshold value inputs central processing unit, and temperature alarming threshold value is delivered in data comparator by central processing unit again, as temperature
Fiducial value, then by rotation rotating handles, can be very good to drive threaded rod to be moved by screw shell, to drive work
Dynamic slot is moved, and at this moment temperature sensor can be very good to carry out temperature detection to thermistor, and temperature sensor will test
Temperature value be transmitted to data comparator, in data comparator temperature sensor detect temperature value and temperature alarming threshold value into
Row compares, if comparison result is higher than temperature alarming threshold value, at this moment central processing unit will control loudspeaker and warning light, carries out
Alarm, it is very convenient, temperature detection can be carried out to thermistor in real time, greatly improve the practicability of thermistor, and
And meet the use of different people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model structure；
Fig. 3 is the structural principle block diagram of Tthe utility model system.
In figure: 1, shell；2, fixed plate；3, screw shell；4, rotating handles；5, threaded rod；6, movable block；7, movable
Slot；8, temperature sensor；9, loudspeaker；10, warning light；11, siphunculus；12, control switch；13, key；14, central processing unit；
15, data comparator；16, feedback module；17, power module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model:
A kind of chip PTC thermistor with high temperature alarm function, including shell 1, it is solid between the two sides of 1 inner wall of shell
Surely it is connected with fixed plate 2, and the top of shell 1 is rotatably connected to screw shell 3 by bearing, and screw shell 3 is outer
Surface is fixedly connected with rotating handles 4, and the internal whorl of screw shell 3 is connected with threaded rod 5, and the bottom end of threaded rod 5 is successively passed through
Shell 1 and fixed plate 2 and the bottom for extending to fixed plate 2 are worn, one end that threaded rod 5 extends to 2 bottom of fixed plate is fixedly connected
There is movable block 6, the bottom of movable block 6 offers loose slot 7, and the side of 7 inner wall of loose slot is fixedly connected with temperature sensor 8,
The side of shell 1 is fixedly connected with loudspeaker 9, and the other side of shell 1 is fixedly connected with warning light 10,1 inner wall two sides of shell
Bottom is communicated with siphunculus 11, and the front of shell 1 is fixedly connected with control switch 12 and key 13, the top of fixed plate 2 from a left side to
The right side, which is fixedly connected sequentially, central processing unit 14 and data comparator 15, the output end and data comparator 15 of temperature sensor 8
Input terminal connection, the output end of data comparator 15 is connect with the input terminal of feedback module 16, and the output of feedback module 16
End is connect with the input terminal of central processing unit 14.
In the present embodiment, the output end of control switch 12 and key 13 is connect with the input terminal of central processing unit 14.
In the present embodiment, the output end of central processing unit 14 respectively with loudspeaker 9, warning light 10 and data comparator
15 input terminal connection.
In the present embodiment, the output end of the input terminal of central processing unit 14 and power module 17 is electrically connected.
In the present embodiment, the output end of power module 17 respectively with temperature sensor 8, control switch 12 and key 13
Input terminal be electrically connected.
Working principle: the utility model setting by shell 1, fixed plate 2, screw shell 3, rotating handles 4, threaded rod 5,
Movable block 6, loose slot 7, temperature sensor 8, loudspeaker 9, warning light 10, siphunculus 11, control switch 12, key 13, centre
Reason device 14 and data comparator 15 are equipped with, the temperature value of the normal temperature according to required by thermistor, determine to need
The temperature value of input standard, the temperature value higher than standard are temperature alarming threshold value, then pass through key 13 for temperature alarming threshold value
Central processing unit 14 is inputted, temperature alarming threshold value is delivered in data comparator 15 by central processing unit 14 again, as temperature ratio
Compared with value, then by rotation rotating handles 4, can be very good to drive threaded rod 5 to be moved by screw shell 3, to drive
Loose slot 7 is moved, and at this moment temperature sensor 8 can be very good to carry out thermistor temperature detection, and temperature sensor 8 will
The temperature value of detection is transmitted to data comparator 15, the temperature value and temperature that temperature sensor 8 detects in data comparator 15
Alarm threshold value is compared, if comparison result is higher than temperature alarming threshold value, at this moment central processing unit 14 will control loudspeaker 9
With warning light 10, alarm is carried out, it is very convenient, temperature detection can be carried out to thermistor in real time, greatly improve temperature-sensitive
The practicability of resistance, and meet the use of different people.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of chip PTC thermistor with high temperature alarm function, including shell (1), it is characterised in that: the shell
(1) it is fixedly connected between the two sides of inner wall fixed plate (2), and the top of shell (1) is rotatably connected to screw thread by bearing
Sleeve (3), and the outer surface of screw shell (3) is fixedly connected with rotating handles (4), the inside spiral shell of the screw shell (3)
Line is connected with threaded rod (5), and the bottom end of the threaded rod (5) sequentially passes through shell (1) and fixed plate (2) and extends to fixed plate
(2) bottom, one end that the threaded rod (5) extends to fixed plate (2) bottom are fixedly connected with movable block (6), the activity
The bottom of block (6) offers loose slot (7), and the side of loose slot (7) inner wall is fixedly connected with temperature sensor (8), institute
The side for stating shell (1) is fixedly connected with loudspeaker (9), and the other side of the shell (1) is fixedly connected with warning light (10), institute
The bottom for stating shell (1) inner wall two sides is communicated with siphunculus (11), and the front of the shell (1) is fixedly connected with control switch (12)
With key (13), the top of the fixed plate (2) is fixedly connected sequentially central processing unit (14) from left to right and data compare
The output end of device (15), the temperature sensor (8) is connect with the input terminal of data comparator (15), the data comparator
(15) output end is connect with the input terminal of feedback module (16), and the output end of feedback module (16) and central processing unit (14)
Input terminal connection.
2. a kind of chip PTC thermistor with high temperature alarm function according to claim 1, it is characterised in that: institute
The output end for stating control switch (12) and key (13) is connect with the input terminal of central processing unit (14).
3. a kind of chip PTC thermistor with high temperature alarm function according to claim 1, it is characterised in that: institute
The output end for stating central processing unit (14) connects with the input terminal of loudspeaker (9), warning light (10) and data comparator (15) respectively
It connects.
4. a kind of chip PTC thermistor with high temperature alarm function according to claim 1, it is characterised in that: institute
The output end of the input terminal and power module (17) of stating central processing unit (14) is electrically connected.
5. a kind of chip PTC thermistor with high temperature alarm function according to claim 4, it is characterised in that: institute
The output end for stating power module (17) is electrical with the input terminal of temperature sensor (8), control switch (12) and key (13) respectively
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461950.8U CN208333676U (en) | 2018-04-03 | 2018-04-03 | A kind of chip PTC thermistor with high temperature alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461950.8U CN208333676U (en) | 2018-04-03 | 2018-04-03 | A kind of chip PTC thermistor with high temperature alarm function |
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| Publication Number | Publication Date |
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| CN208333676U true CN208333676U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820461950.8U Active CN208333676U (en) | 2018-04-03 | 2018-04-03 | A kind of chip PTC thermistor with high temperature alarm function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920905A (en) * | 2019-03-18 | 2019-06-21 | 武汉理工大学 | A kind of double segment type thermoelectric material devices |
| CN112650325A (en) * | 2020-12-18 | 2021-04-13 | 李水娇 | Constructed wetland low temperature area temperature real-time supervision equipment |
-
2018
- 2018-04-03 CN CN201820461950.8U patent/CN208333676U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920905A (en) * | 2019-03-18 | 2019-06-21 | 武汉理工大学 | A kind of double segment type thermoelectric material devices |
| CN112650325A (en) * | 2020-12-18 | 2021-04-13 | 李水娇 | Constructed wetland low temperature area temperature real-time supervision equipment |
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