CN209559368U - A kind of dynamic/static contact wireless temperature measurement system - Google Patents
A kind of dynamic/static contact wireless temperature measurement system Download PDFInfo
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- CN209559368U CN209559368U CN201920350297.2U CN201920350297U CN209559368U CN 209559368 U CN209559368 U CN 209559368U CN 201920350297 U CN201920350297 U CN 201920350297U CN 209559368 U CN209559368 U CN 209559368U
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Abstract
The utility model discloses a kind of dynamic/static contact wireless temperature measurement system, including chip U1 and chip U2, 27 and 28 pins of the chip U1 are connected on chip U2, chip U2 is equipped with LED light on the route of 28 pins of chip U1, LED line road is equipped with resistance R13, the other end of resistance R13 is divided into two branches, the one of branch of R13 is connected to the output position of chip U2, another branch of R13 is connected on the anode of diode D1 and 4 pins of chip U2, the R14 that the cathode of D1 passes through connection is connected to 1 pin of chip U2 and the concatenated R15 of R14 is connected to the one end button B2；The utility model solves in modularized design that dynamic/static contact is easy the problem of burning out contact since poor contact causes temperature excessively high, and sensor does not have cable connection between wireless test, with protector, easy for installation, and damages readily replaceable.
Description
Technical field
The utility model relates to temperature transducers technical field, a kind of particularly dynamic/static contact wireless temperature measurement system.
Background technique
Currently, low-voltage feeder switch or other stacked switches are all made of breaker or contactor is all made of modularization and sets
It counts, dynamic/static contact will necessarily be used in modularized design, but the use of dynamic/static contact necessarily will increase fault point at one, because
Dynamic/static contact needs often plug, and electric current is generally excessive herein, and it is excessively high to be easy to appear temperature in the case where poor contact,
To be easy to burn out dynamic/static contact.
Improvement dynamic/static contact is wireless temperature-measuring sensor, is capable of the reality of six road port of real-time monitoring breaker or contactor
Shi Wendu, when a certain road port temperature is excessively high, protector meeting and alarm, and major loop is broken, thus realize temperature protection, nothing
Line temperature sensor has rechargeable battery, and only wireless sensor need to be put into dynamic/static contact position can real-time monitoring temperature
Degree, protector can turn on or off temperature protection, to realize the defencive function of port position.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of dynamic/static contact wireless temperature measurement systems
System, improvement dynamic/static contact are wireless temperature-measuring sensor, are capable of the real-time temperature of six road port of real-time monitoring breaker or contactor
Degree, when a certain road port temperature is excessively high, protector meeting and alarm, and major loop is broken, thus realize temperature protection, it is wireless warm
Spend sensor have rechargeable battery, only wireless sensor need to be put into dynamic/static contact position can real-time monitoring temperature, protect
Shield device can turn on or off temperature protection, to realize the defencive function of port position.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of dynamic/static contact wireless temperature measurement system, including 27 and 28 pins point of chip U1 and chip U2, the chip U1
It is not connected on chip U2, chip U2 is equipped with LED light on the route of 28 pins of chip U1, and LED line road is installed
There is resistance R13, the other end of resistance R13 is divided into two branches, and the one of branch of R13 is connected to the output position of chip U2,
Another branch of R13 is connected on the anode of diode D1 and 4 pins of chip U2, and the cathode of D1 passes through the R14 difference of connection
1 pin and the concatenated R15 of R14 for being connected to chip U2 are connected to the one end button B2, and the button B2 other end is connected to BAT1 and core
It on 3 pins of piece U2, is grounded between R15 and B2 by resistance R16, is connect between R16 and ground connection by lead and drawn the 2 of chip U2
It on foot, is connected between 2 pins and 3 pins of chip U2 by capacitor C9, there are two branch on 27 pins of chip U1 by chip U2
Road, wherein a branch road passes through capacitor C8 and is grounded, another branch is connected to chip U2 and is connected on button B2 across R15；
19 pins of the chip U1 are connected to the one end button B1, button B1 other end ground connection, 4 pins of chip U2 it is another
One end is mounted on button B1 by resistance R4；
Upper 2 input position of J3 is connected on 20 pins of the chip U1, J3 is the access port of sensor temperature probe, J3
1 output position ground connection, J3 1 output 3 output between is connected by capacitor C5；21 to 26 pins of the chip U1 connect
On J2, J2 is wireless transceiver interface；The 11-18 pin of the chip U1 is connected respectively the 1-8 in address switch S1
Pin；1 pin of the chip U1 is connected in 1 input of J1, and 7 pins of chip U1 are connected in 2 inputs of J1；
The pin 5 of the chip U1 separates two branches, wherein a branch connects capacitor C3 and is grounded, another branch
It is connected to one end of crystal oscillator H, the other end connection capacitor C4 of crystal oscillator H is simultaneously grounded, crystal oscillator H and capacitor
It is connected on 6 pins of chip U1 between C4 by lead.
As further program of the utility model, 3 outputs of the J1 are connected on 3.15V power supply, and 4 outputs of J1 connect
Ground, 2 one branch of input of J1 pass through R3 and connect on 3.15V power supply, and the 2 another branches of input of J1 are grounded by capacitor C2.
As further program of the utility model, 1 output is grounded in the J2, and 2 outputs meet I RQ in J2, and 3 is defeated in J2
4 inputs in M I O, J2 are connect out and meet MO I, and 5 inputs meet SCK in J2, and 6 inputs meet CSN in J2, and 7 inputs meet CE in J2, and 8 is defeated in J2
3.15V power supply is connect out, and 2 outputs are linked into 3.15V power supply by resistance R1 in J2, and 3 outputs are linked by resistance R2 in J2
3.15V power supply.
As further program of the utility model, the pin 1-8 connection SW1-SW8 of the one end the address switch S1, ground
The pin 9-16 of the location switch S1 other end is grounded, and wherein pin 1 is linked into 3.15V power supply by resistance R12, and pin 2 passes through
Resistance R5 is linked into 3.15V power supply, and pin 3 is linked into 3.15V power supply by resistance R6, and pin 4 is linked by resistance R7
3.15V power supply, pin 5 are linked into 3.15V power supply by resistance R8, and pin 6 is linked into 3.15V power supply, pin 7 by resistance R9
It is linked into 3.15V power supply by resistance R10, pin 8 is linked into 3.15V power supply by resistance R11.
As further program of the utility model, the pin 2 of the chip U1 is grounded by capacitor C1.
The utility model has the beneficial effects that
1, button is started and stopped on sensor, it, can be with when sensor does not have to temporarily, or when not needing detection temperature
Power supply is closed in time, can increase the standby time of sensor in this way, when low battery occurs in battery (lower limit value 10%), is protected
Shield device can show that battery capacity is too low, need to charge, and need to only remove wireless sensor at this time and carry out the biography for charging or more renewing
Sensor, maintenance and maintenance are convenient, can greatly improve production efficiency.
2, the utility model solves dynamic/static contact in modularized design and is easy to burn since poor contact causes temperature excessively high
The problem of bad contact, and sensor does not have cable connection between wireless test, with protector, it is easy for installation, and damage and be easy
Replacement.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is chip U1 circuit connection diagram in the utility model.
Fig. 2 is button B1 circuit connection diagram in the utility model.
Fig. 3 is the 2 pin circuitry connection schematic diagrams of chip U1 in the utility model.
Fig. 4 is connection circuit diagram in the part J1 and J2 in the utility model.
Fig. 5 is chip U2 circuit connection diagram in the utility model.
Fig. 6 is switch S1 circuit connection diagram in the utility model.
Fig. 7 is J1 circuit connection diagram in the utility model.
Fig. 8 is J2 circuit connection diagram in the utility model.
Fig. 9 is J3 circuit connection diagram in the utility model.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 9, the utility model is a kind of dynamic/static contact wireless temperature measurement system, including chip U1 and core
27 and 28 pins of piece U2, the chip U1 are connected on chip U2, and chip U2 is on the route of 28 pins of chip U1
LED light is installed, LED line road is equipped with resistance R13, and the other end of resistance R13 is divided into two branches, R13 wherein one
A branch is connected to the output position of chip U2, another branch of R13 is connected to the anode of diode D1 and 4 pins of chip U2
On, the R14 that the cathode of D1 passes through connection is connected to 1 pin of chip U2 and the concatenated R15 of R14 is connected to button B2 mono-
End, the button B2 other end is connected on 3 pins of BAT1 and chip U2, is grounded between R15 and B2 by resistance R16, R16 with connect
It is connect on 2 pins of chip U2, is connected between 2 pins and 3 pins of chip U2 by capacitor C9, chip by lead between ground
There are two branches on 27 pins of chip U1 by U2, wherein a branch road passes through capacitor C8 and is grounded, another branch is connected to core
It piece U2 and is connected on button B2 across R15；
19 pins of the chip U1 are connected to the one end button B1, button B1 other end ground connection, 4 pins of chip U2 it is another
One end is mounted on button B1 by resistance R4；
Upper 2 input position of J3 is connected on 20 pins of the chip U1, J3 is the access port of sensor temperature probe, J3
1 output position ground connection, J3 1 output 3 output between is connected by capacitor C5；21 to 26 pins of the chip U1 connect
On J2, J2 is wireless transceiver interface；The 11-18 pin of the chip U1 is connected respectively the 1-8 in address switch S1
Pin；1 pin of the chip U1 is connected in 1 input of J1, and 7 pins of chip U1 are connected in 2 inputs of J1；
The pin 5 of the chip U1 separates two branches, wherein a branch connects capacitor C3 and is grounded, another branch
It is connected to one end of crystal oscillator H, the other end connection capacitor C4 of crystal oscillator H is simultaneously grounded, crystal oscillator H and capacitor
It is connected on 6 pins of chip U1 between C4 by lead.
3 outputs of the J1 are connected on 3.15V power supply, and 2 one branch of input of the 4 output ground connection of J1, J1 pass through R3
It connects on 3.15V power supply, the 2 another branches of input of J1 are grounded by capacitor C2.
1 output ground connection in the J2,2 outputs meet I RQ in J2, and 3 outputs meet M IO in J2, and 4 inputs meet MOI in J2, in J2
5 inputs meet SCK, and 6 inputs meet CSN in J2, and 7 inputs meet CE in J2, and 8 outputs connect 3.15V power supply in J2, and 2 outputs pass through electricity in J2
Resistance R1 is linked into 3.15V power supply, and 3 outputs are linked into 3.15V power supply by resistance R2 in J2.
The pin 1-8 connection SW1-SW8 of the one end the address switch S1, the pin 9-16 of the address switch S1 other end connect
Ground, wherein pin 1 is linked into 3.15V power supply by resistance R12, and pin 2 is linked into 3.15V power supply by resistance R5, and pin 3 is logical
It crosses resistance R6 and is linked into 3.15V power supply, pin 4 is linked into 3.15V power supply by resistance R7, and pin 5 is linked by resistance R8
3.15V power supply, pin 6 are linked into 3.15V power supply by resistance R9, and pin 7 is linked into 3.15V power supply, pin by resistance R10
8 are linked into 3.15V power supply by resistance R11.
The pin 2 of the chip U1 is grounded by capacitor C1.
The chip U1 is single-chip microcontroller MSP430F2132, and the chip U2 is MAX8863.Sensor bulk is small, is watchband
Formula design can be convenient installation in the place that other need to detect temperature and remove, and user is easy to use and reliable.
Working principle: B2 is sensor power on button, and B1 is sensor power-off button, and chip U1 is sensor processing unit
Part, chip U2 be power management and switch block, LED is work light, after BI button is pressed low level signal directly to
Single-chip microcontroller P2.3, single-chip microcontroller receive and export a low level signal in single-chip microcontroller P1.6 after time signal, and chip U2 is directly closed at this time
Power supply is closed, sensor is in off-mode；Button is started and stopped on sensor, when sensor does not have to temporarily, or is not required to
When detecting temperature, power supply can be closed in time, can increase the standby time of sensor in this way.
Wireless temperature-measuring sensor uses single-chip microcontroller MSP430F2132 for core, powers as rechargeable battery, when electricity occurs in battery
When measuring too low (lower limit value 10%), protector can show that battery capacity is too low, need to charge, and need to only remove wireless sensor at this time
The sensor for charging or more renewing is carried out, maintenance and maintenance are convenient, can greatly improve production efficiency；
J3 terminal is sensor temperature probe DS18B20 access port, and temp probe DS18B20 is monobus numeric type temperature
Sensor, output are digital signals, and signal is that DQ is directly accessed single-chip microcontroller P2.4 pin；
S1 is toggle switch, and toggle switch is directly accessed single-chip microcontroller, and each sensor has fixed address, opened by dial-up
Close the address to determine each sensor；Sensor has fixed address, and sensor is independent of each other between each other, Mei Gechuan
Sensor has 8 toggle switch, and 1-3 are channel address, and channel address uses binary coding, coding serial number 001,010,
011,100,101,110, respectively represent the channel 1-6 of sensor, 4-8 represent station number, totally 15 station numbers, this station number need with
Receiving device, that is, display station number is synchronous, and display can show the value of six sensors, when have different display with
When sensor, display synchronous with sensor station number is one group, and display interior receiving device is received according to station number
And displays temperature；
J2 is wireless transceiver interface, this interface after treatment, is sent to the collected temperature signal of single-chip microcontroller aobvious
Show that device, display are received according to the address of each sensor, and all shows the Current Temperatures of several sensors
Value；
BAT1 is battery power supply interface, this interface uses the rechargeable battery cell voltage to be for 3.7V battery capacity
750mAH, when some sensor battery level is less than 10%, display can show this sensor battery level deficiency, need
Charge information.The temperature-measuring range of the utility model is 0-120 DEG C, and measurement accuracy is 0.1 DEG C.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality
With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of dynamic/static contact wireless temperature measurement system, which is characterized in that including chip U1 and chip U2,27 Hes of the chip U1
28 pins are connected on chip U2, and chip U2 is equipped with LED light, LED line on the route of 28 pins of chip U1
Road is equipped with resistance R13, and the other end of resistance R13 is divided into two branches, and the one of branch of R13 is connected to the defeated of chip U2
Out position, another branch of R13 are connected on the anode of diode D1 and 4 pins of chip U2, and the cathode of D1 passes through connection
R14 is connected to 1 pin of chip U2 and the concatenated R15 of R14 is connected to the one end button B2, and the button B2 other end is connected to
It on 3 pins of BAT1 and chip U2, is grounded between R15 and B2 by resistance R16, is connect by lead in core between R16 and ground connection
On 2 pins of piece U2, connected between 2 pins and 3 pins of chip U2 by capacitor C9, chip U2 is on 27 pins of chip U1
There are two branch, wherein a branch road passes through capacitor C8 and is grounded, another branch be connected to chip U2 and across R15 be connected to by
On button B2；
19 pins of the chip U1 are connected to the one end button B1, button B1 other end ground connection, the other end of 4 pins of chip U2
It is mounted on button B1 by resistance R4；
It is connected to upper 2 input position of J3 on 20 pins of the chip U1, J3 is the access port of sensor temperature probe, the 1 of J3
Output position ground connection is connected between 1 output and 3 outputs of J3 by capacitor C5；21 to 26 pins of the chip U1 are connected to
On J2, J2 is wireless transceiver interface；The 11-18 pin of the chip U1 is connected respectively to be drawn in the 1-8 of address switch S1
Foot；1 pin of the chip U1 is connected in 1 input of J1, and 7 pins of chip U1 are connected in 2 inputs of J1；
The pin 5 of the chip U1 separates two branches, wherein a branch connects capacitor C3 and is grounded, another branch connection
In one end of crystal oscillator H, the other end of crystal oscillator H connection capacitor C4 is simultaneously grounded, crystal oscillator H and capacitor C4 it
Between be connected on 6 pins of chip U1 by lead.
2. a kind of dynamic/static contact wireless temperature measurement system according to claim 1, which is characterized in that 3 outputs of the J1 connect
It connects on 3.15V power supply, the 4 output ground connection of J1,2 one branch of input of J1 pass through R3 and connect on 3.15V power supply, and the 2 of J1 are defeated
Enter another branch to be grounded by capacitor C2.
3. a kind of dynamic/static contact wireless temperature measurement system according to claim 1, which is characterized in that 1 output connects in the J2
Ground, 2 outputs meet IRQ in J2, and 3 outputs meet MIO in J2, and 4 inputs meet MOI in J2, and 5 inputs meet SCK in J2, and 6 inputs connect in J2
7 inputs meet CE in CSN, J2, and 8 outputs connect 3.15V power supply in J2, and 2 outputs are linked into 3.15V power supply, J2 by resistance R1 in J2
In 3 outputs 3.15V power supply is linked by resistance R2.
4. a kind of dynamic/static contact wireless temperature measurement system according to claim 1, which is characterized in that the address switch S1 mono-
The pin 1-8 connection SW1-SW8 at end, the pin 9-16 of the address switch S1 other end are grounded, and wherein pin 1 passes through resistance R12
It is linked into 3.15V power supply, pin 2 is linked into 3.15V power supply by resistance R5, and pin 3 is linked into 3.15V electricity by resistance R6
Source, pin 4 are linked into 3.15V power supply by resistance R7, and pin 5 is linked into 3.15V power supply by resistance R8, and pin 6 passes through electricity
Resistance R9 is linked into 3.15V power supply, and pin 7 is linked into 3.15V power supply by resistance R10, and pin 8 is linked by resistance R11
3.15V power supply.
5. a kind of dynamic/static contact wireless temperature measurement system according to claim 1, which is characterized in that the pin of the chip U1
2 are grounded by capacitor C1.
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| CN201920350297.2U CN209559368U (en) | 2019-03-19 | 2019-03-19 | A kind of dynamic/static contact wireless temperature measurement system |
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| CN201920350297.2U CN209559368U (en) | 2019-03-19 | 2019-03-19 | A kind of dynamic/static contact wireless temperature measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781305A (en) * | 2019-03-19 | 2019-05-21 | 淮南万泰电子股份有限公司 | A kind of dynamic/static contact wireless temperature measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781305A (en) * | 2019-03-19 | 2019-05-21 | 淮南万泰电子股份有限公司 | A kind of dynamic/static contact wireless temperature measurement system |
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