CN210071174U - Multifunctional wireless temperature measuring device for electrical contact - Google Patents
Multifunctional wireless temperature measuring device for electrical contact Download PDFInfo
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- CN210071174U CN210071174U CN201920907407.0U CN201920907407U CN210071174U CN 210071174 U CN210071174 U CN 210071174U CN 201920907407 U CN201920907407 U CN 201920907407U CN 210071174 U CN210071174 U CN 210071174U
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Abstract
A multifunctional wireless electric contact temperature measuring device comprises a main control unit, a wireless temperature measuring sensor group with a charge detection function, a temperature and humidity sensor, a switching value input unit, a switching value output unit, an LCD display unit and a watchdog reset unit, wherein the main control unit is connected with the main control unit; the wireless temperature measurement sensor group with the electric quantity detection function and the temperature and humidity sensor transmit collected temperature and humidity data to the main control unit for monitoring and processing, and the measured data is displayed through the LCD display unit. The utility model discloses can not only realize the temperature measurement function, can also carry out remote monitoring to humidity and switching value information to the humiture of regulation switch cabinet; measured data can be displayed through an LCD screen, the main control unit can automatically reset after a program of the main control unit goes wrong, normal operation of the device is guaranteed, corresponding modules are added to the multifunctional electric contact wireless temperature measuring device, and the multifunctional function of one machine for multiple purposes can be achieved.
Description
Technical Field
The utility model belongs to the technical field of electromechanical device technique and specifically relates to a multi-functional wireless temperature measuring device of electrical contact.
Background
With the high-speed stable development of the electrical industry in China, a plurality of high-technology-level precise stamping electrical and new technologies emerge, the internal structure of the current electrical equipment is complex, and the requirements on various measurement parameters are higher and higher. The traditional wireless temperature measuring device has single function, only can perform single temperature measuring function, and cannot realize remote monitoring of humidity and switching value information, so that the temperature and the humidity of the switch cabinet are adjusted; the adopted wireless temperature measuring sensor group does not have the function of detecting the electric quantity; the measured temperature and humidity parameters and the switching value information cannot be displayed through an LCD screen and cannot be automatically reset after the program of the main control unit goes wrong. A multifunctional wireless temperature measuring device for electrical contacts is additionally provided with corresponding modules, so that the multifunctional function of one machine can be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a multi-functional wireless temperature measuring device of electrical contact.
The utility model provides a its technical problem take following technical scheme to realize:
a multifunctional wireless temperature measuring device for an electrical contact comprises a main control unit, a wireless temperature measuring sensor group with an electric quantity detection function and a temperature and humidity sensor, wherein the main control unit is connected with the main control unit; the wireless temperature measuring sensor group with the electric quantity detection function is arranged on the site of the device to be detected, and transmits the detected temperature signal to the main control unit in a wireless transmission mode; and the temperature and humidity sensor transmits the collected temperature and humidity data of the switch cabinet to the main control unit for monitoring and processing.
Preferably, the wireless temperature sensor group with the electric quantity detection function comprises a power supply unit, an electric quantity acquisition unit, a temperature acquisition unit and a wireless transceiving unit, wherein the power supply unit, the electric quantity acquisition unit, the temperature acquisition unit and the wireless transceiving unit are connected with a main controller; the power supply unit supplies power for main control unit, the electric quantity acquisition unit is gathered main control unit's electric quantity information and is transmitted extremely main control unit, the temperature data transmission of temperature acquisition unit collection cubical switchboard to main control unit, main control unit handles data and passes through wireless transceiver unit sends the main control unit to the wireless temperature measuring device of a multi-functional electrical contact.
Preferably, the multifunctional wireless electric contact temperature measuring device further comprises a switching value input unit connected with the main control unit, the chip model of the main control unit is STC15F2K60S2, and the chip model of the switching value input unit is 74HC165D, so that the switching value signal acquisition function is realized.
Preferably, the multifunctional wireless temperature measuring device for the electrical contact further comprises a switching value output unit connected with the main control unit, wherein the chip model of the switching value output unit is 74HC 595; the 4 LED interfaces of the 74HC595 are respectively connected with the 4 LED tubes and are used for realizing the display of the real-time state of data; the 74HC595 is connected to a buzzer which is triggered in case of failure.
Preferably, the multifunctional wireless electric contact temperature measuring device further comprises an LCD display unit connected with the main control unit, wherein the model of the LCD display unit chip is LCM12864C, and the LCD display unit chip is used for displaying switching value information and temperature and humidity data in real time; the L _ RS end of the LCM12864C is connected with the L _ RS end of the STC15F2K60S2 and used for realizing the reset function; the L _ E end of the LCM12864C is connected with the L _ E end of the STC15F2K60S2, and is used for realizing the function of clock input; the R/W end of the LCM12864C is connected with the R/W end of the STC15F2K60S2, and is used for realizing the function of data input.
Preferably, the multifunctional wireless electric contact temperature measuring device further comprises an RS485 communication unit connected with the main control unit, an RXD0 end and a TXD0 end of the RS485 communication unit are respectively connected with an RXD0 end and a TXD0 end of the STC15F2K60S2, and temperature and humidity data and switching value information are sent to the background monitoring device through the RS485 communication unit.
Preferably, the multifunctional wireless temperature measuring device for the electrical contact further comprises a storage unit connected with the main control unit, the chip model of the storage unit is AT24C64, and the SCL end and the SDA end of the AT24C64 are respectively connected with the SCL end and the SDA end of the STC15F2K60S2, so as to realize the function of storing temperature and humidity data.
Preferably, the multifunctional wireless temperature measuring device for the electrical contact further comprises a watchdog resetting unit connected with the main control unit, the model of the watchdog resetting unit is MAX813, and the RST1 end and the WDI end of the MAX813 are respectively connected with the RST1 end and the WDI end of the STC15F2K60S2, so that the watchdog resetting unit sends a resetting signal to the main control unit for automatic resetting after the program of the main control unit goes wrong.
The utility model has the advantages that:
1. the utility model comprises a main control unit, a temperature and humidity sensor, a switching value input unit, a switching value output unit and an LCD display unit, wherein the temperature and humidity sensor is connected with the main control unit and transmits collected temperature and humidity data of a switch cabinet to the main control unit for monitoring and processing; the switching value input unit and the switching value output unit are respectively connected with the main control unit and are used for monitoring and processing switching value information; the LCD display unit is connected with the main control unit and used for displaying switching value information and temperature and humidity data in real time, so that the temperature and humidity of the switch cabinet are adjusted.
2. The utility model comprises a main control unit and a wireless temperature sensor group with electric quantity detection function connected with the main control unit, wherein the wireless temperature sensor group with electric quantity detection function comprises a main controller and a power supply unit, an electric quantity acquisition unit, a temperature acquisition unit and a wireless transceiving unit which are connected with the main controller; the power supply unit supplies power for main control unit, the electric quantity information of main control unit, and the temperature data of temperature acquisition unit collection cubical switchboard carries out data processing and passes through main control unit wireless transceiver unit sends the main control unit to the wireless temperature measuring device of a multi-functional electrical contact.
3. The utility model discloses a with watchdog reset unit that the main control unit is connected works as after the main control unit procedure goes wrong, watchdog reset unit sends reset signal extremely the main control unit carries out automatic re-setting.
Drawings
FIG. 1 is a block diagram of a multifunctional wireless temperature measuring device for electrical contacts;
FIG. 2 is a circuit block diagram of a wireless temperature sensor set with a function of detecting the amount of electric power in the present invention;
FIG. 3 is a schematic diagram of a circuit of a main control unit of the present invention;
FIG. 4 is a schematic diagram of the middle temperature humidity sensor circuit of the present invention;
FIG. 5 is a schematic circuit diagram of the switching value input unit of the present invention;
FIG. 6 is a schematic circuit diagram of the switching value output unit of the present invention;
FIG. 7 is a schematic circuit diagram of a LCD display unit according to the present invention;
fig. 8 is a circuit schematic diagram of an RS485 communication unit of the present invention;
FIG. 9 is a schematic circuit diagram of a memory cell according to the present invention;
fig. 10 is a schematic circuit diagram of the watchdog reset unit of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
fig. 1 is a circuit block diagram of a multifunctional wireless temperature measuring device for electrical contacts according to the present invention, which includes a main control unit, a wireless temperature measuring sensor group with an electric quantity detecting function and a temperature and humidity sensor connected to the main control unit; the wireless temperature measuring sensor group with the electric quantity detection function is arranged on the site of the device to be detected, and transmits the detected temperature signal to the main control unit in a wireless transmission mode; the temperature and humidity sensor transmits collected temperature and humidity data of the switch cabinet to the main control unit for monitoring and processing; the switching value input unit and the switching value output unit are connected with the main control unit to realize monitoring and processing of the switching value information; the LCD display unit is connected with the main control unit and is used for displaying switching value information and temperature and humidity data in real time; the RS485 communication unit is connected with the main control unit and is used for sending temperature and humidity data and switching value information to the background monitoring equipment; the storage unit is connected with the main control unit and is used for realizing the function of storing temperature and humidity data; and the watchdog reset unit is connected with the main control unit and used for sending a reset signal to the main control unit for automatic reset after the main control unit goes wrong.
As shown in fig. 2 and 3, the multifunctional wireless temperature measuring device for electrical contacts is characterized in that: the wireless temperature measuring sensor group with the electric quantity detection function comprises a power supply unit, an electric quantity acquisition unit, a temperature acquisition unit and a wireless transceiving unit, wherein the power supply unit, the electric quantity acquisition unit, the temperature acquisition unit and the wireless transceiving unit are connected with a main controller; the power supply unit supplies power for main control unit, the electric quantity acquisition unit is gathered main control unit's electric quantity information and is transmitted extremely main control unit, the temperature data transmission of temperature acquisition unit collection cubical switchboard to main control unit, main control unit handles data and passes through wireless transceiver unit sends the main control unit to the wireless temperature measuring device of a multi-functional electrical contact.
As shown in fig. 3, 4, 5, and 6, the temperature and humidity sensor is connected to the STC15F2K60S2 through a Humdlty interface, and transmits detected temperature and humidity data to the main control unit; the chip model of the switching value input unit is 74HC165D, the 165_ PL end and the 165_ CP end of the 74HC165D are respectively connected with the 165_ PL end and the 165_ CP end of the STC15F2K60S2 to realize the function of collecting switching value signals, and the 74HC165D is connected with the accessed KEY switches KEY1-KEY5 to respectively realize the functions of 'moving up', 'moving down', 'menu', 'confirming' and 'silencing'; the chip model of the switching value output unit is 74HC595, the 595_ DATA end and the 595_ RCK end of the 74HC595 are respectively connected with the 595_ DATA end and the 595_ RCK end of the STC15F2K60S2, and are used for the main control unit to output switching value signals to the switching value output unit, the 4 LED interfaces of the 74HC595 are respectively connected with the 4 LED tubes to realize the display of the real-time state of DATA, and the 74HC595 is connected with a buzzer, and the buzzer is triggered when a fault occurs.
As shown in fig. 3, 6 and 7, the LCD display unit chip has a model LCM12864C, and is used for displaying switching value information and temperature and humidity data in real time; the L _ RS end of the LCM12864C is connected with the L _ RS end of the STC15F2K60S2 and used for realizing the reset function; the L _ E end of the LCM12864C is connected with the L _ E end of the STC15F2K60S2, and is used for realizing the function of clock input; the R/W end of the LCM12864C is connected with the R/W end of the STC15F2K60S2 and is used for realizing the function of data input; the Lcd _ Light end of the 74HC595 is connected with the base of the triode through a resistor, the emitter of the triode is grounded, and the collector of the triode is connected with the Lcd _ Light end of the LCM12864C for controlling the brightness of the Lcd display screen.
As shown in fig. 3 and 8, the RS485 communication unit includes an RS485 standard interface chip MAX1487ESA and two high-speed optical couplers 6N137, the TXDF0 and the RXDF0 of the STC15F2K60S2 are respectively connected to the TXDF0 and the RXDF0 of the two high-speed optical couplers 6N137, the two high-speed optical couplers 6N137 amplify and transmit signals to the RS485 standard interface chip MAX1487ESA in an anti-interference manner, and the monitoring and processing of the temperature, humidity and switching value information by the background monitoring device is realized through the RS485 communication unit.
As shown in fig. 3, 9 and 10, the chip type of the memory cell is AT24C64, and the SCL end and the SDA end of the AT24C64 are respectively connected to the SCL end and the SDA end of the STC15F2K60S2, so as to realize the functions of storing temperature, humidity and switching value data; the watchdog resetting unit is of a chip model of MAX813, a RST1 end and a WDI end of the MAX813 are respectively connected with a RST1 end and a WDI end of the STC15F2K60S2, when a program normally runs, a pulse signal is sent to the WDI end within a time interval less than 1.6S, and if the WDI end does not receive the pulse signal after exceeding 1.6S, the RST sends a resetting signal to realize automatic resetting of the main control unit.
The working principle is as follows: a multifunctional wireless temperature measuring device for electrical contacts comprises a main control unit, a wireless temperature measuring sensor group with an electric quantity detection function and a temperature and humidity sensor, wherein the main control unit is connected with the main control unit; the wireless temperature measuring sensor group with the electric quantity detection function is arranged on the site of the device to be detected, and transmits the detected temperature signal to the main control unit in a wireless transmission mode; the temperature and humidity sensor transmits collected temperature and humidity data of the switch cabinet to the main control unit for monitoring and processing; the switching value input unit and the switching value output unit are connected with the main control unit to realize the monitoring of the switching value information; the LCD display unit is connected with the main control unit and is used for displaying switching value information and temperature and humidity data in real time; the RS485 communication unit is connected with the main control unit and is used for sending temperature and humidity data and switching value information to the background monitoring equipment; the storage unit is connected with the main control unit and used for realizing the function of storing temperature and humidity data; and the watchdog reset unit is connected with the main control unit and used for sending a reset signal to the main control unit for automatic reset after the main control unit goes wrong.
The utility model discloses can not only realize the temperature measurement function, can also carry out remote monitoring to humidity and switching value information to the humiture of regulation switch cabinet; the wireless temperature measuring sensor group has the function of detecting the electric quantity, measured temperature and humidity parameters and switching value information can be displayed through an LCD screen, the normal operation of the device can be guaranteed by automatic resetting after the program of the main control unit goes wrong, and the multifunctional wireless temperature measuring device with the electric contacts is additionally provided with corresponding modules, so that the function of one machine with multiple purposes can be realized.
It should be emphasized that the embodiments of the present invention are illustrative and not restrictive, and therefore the present invention is not limited to the embodiments described in the detailed description, and all other embodiments derived from the technical solutions of the present invention by those skilled in the art also belong to the scope of the present invention.
Claims (8)
1. The utility model provides a wireless temperature measuring device of multi-functional electrical contact which characterized in that: the multifunctional electric contact wireless temperature measuring device comprises a main control unit, a wireless temperature measuring sensor group with an electric quantity detection function and a temperature and humidity sensor, wherein the main control unit is connected with the main control unit; the wireless temperature measuring sensor group with the electric quantity detection function is arranged on the site of the device to be detected, and transmits the detected temperature signal to the main control unit in a wireless transmission mode; and the temperature and humidity sensor transmits the collected temperature and humidity data of the switch cabinet to the main control unit for monitoring and processing.
2. The multifunctional wireless electric contact temperature measuring device of claim 1, wherein: the wireless temperature measuring sensor group with the electric quantity detection function comprises a power supply unit, an electric quantity acquisition unit, a temperature acquisition unit and a wireless transceiving unit, wherein the power supply unit, the electric quantity acquisition unit, the temperature acquisition unit and the wireless transceiving unit are connected with a main controller;
the power supply unit supplies power for main control unit, the electric quantity acquisition unit is gathered main control unit's electric quantity information and is transmitted extremely main control unit, temperature acquisition unit gathers cubical switchboard temperature data transmission to main control unit, main control unit handles data and passes through wireless transceiver unit sends the main control unit to the wireless temperature measuring device of a multi-functional electrical contact.
3. The multifunctional wireless electric contact temperature measuring device of claim 1, wherein: the multifunctional wireless electric contact temperature measuring device further comprises a switching value input unit connected with the main control unit, wherein the chip model of the main control unit is STC15F2K60S2, and the chip model of the switching value input unit is 74HC165D, so that the switching value signal acquisition function is realized; the 74HC165D is connected with the KEY switches KEY1-KEY5, and respectively realizes the functions of 'up moving', 'down moving', 'menu', 'confirm' and 'sound deadening'.
4. The multifunctional wireless electric contact temperature measuring device of claim 1, wherein: the multifunctional wireless electric contact temperature measuring device further comprises a switching value output unit connected with the main control unit, and the chip model of the switching value output unit is 74HC 595; the 4 LED interfaces of the 74HC595 are respectively connected with the 4 LED tubes and are used for realizing the display of the real-time state of data; the 74HC595 is connected to a buzzer which is triggered in case of failure.
5. The multifunctional wireless electric contact temperature measuring device of claim 3, wherein: the multifunctional wireless electric contact temperature measuring device further comprises an LCD display unit connected with the main control unit, wherein the model of the LCD display unit chip is LCM12864C, and the LCD display unit chip is used for displaying switching value information and temperature and humidity data in real time; the L _ RS end of the LCM12864C is connected with the L _ RS end of the STC15F2K60S2 and used for realizing the reset function; the L _ E end of the LCM12864C is connected with the L _ E end of the STC15F2K60S2, and is used for realizing the function of clock input; the R/W end of the LCM12864C is connected with the R/W end of the STC15F2K60S2, and is used for realizing the function of data input.
6. The multifunctional wireless electric contact temperature measuring device of claim 3, wherein: the multifunctional wireless electric contact temperature measuring device further comprises an RS485 communication unit connected with the main control unit, an RXD0 end and a TXD0 end of the RS485 communication unit are respectively connected with an RXD0 end and a TXD0 end of the STC15F2K60S2, and temperature and humidity data and switching value information are sent to background monitoring equipment through the RS485 communication unit.
7. The multifunctional wireless electric contact temperature measuring device of claim 3, wherein: the multifunctional wireless electric contact temperature measuring device further comprises a storage unit connected with the main control unit, the chip model of the storage unit is AT24C64, and the SCL end and the SDA end of the AT24C64 are respectively connected with the SCL end and the SDA end of the STC15F2K60S2, so that the function of storing temperature and humidity data is realized.
8. The multifunctional wireless electric contact temperature measuring device of claim 3, wherein: the multifunctional wireless electric contact temperature measuring device further comprises a watchdog resetting unit connected with the main control unit, the model of a chip of the watchdog resetting unit is MAX813, and a RST1 end and a WDI end of the MAX813 are respectively connected with a RST1 end and a WDI end of the STC15F2K60S2, so that after the program of the main control unit goes wrong, the watchdog resetting unit sends a resetting signal to the main control unit for automatic resetting.
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| CN201920907407.0U CN210071174U (en) | 2019-06-17 | 2019-06-17 | Multifunctional wireless temperature measuring device for electrical contact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111562023A (en) * | 2020-05-22 | 2020-08-21 | 上海红檀智能科技有限公司 | Device and method for comprehensively monitoring and early warning equipment temperature in wind power plant box transformer substation cabin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111562023A (en) * | 2020-05-22 | 2020-08-21 | 上海红檀智能科技有限公司 | Device and method for comprehensively monitoring and early warning equipment temperature in wind power plant box transformer substation cabin |
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