CN207366999U - A kind of electrical safety monitoring device - Google Patents
A kind of electrical safety monitoring device Download PDFInfo
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- CN207366999U CN207366999U CN201721253080.7U CN201721253080U CN207366999U CN 207366999 U CN207366999 U CN 207366999U CN 201721253080 U CN201721253080 U CN 201721253080U CN 207366999 U CN207366999 U CN 207366999U
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Abstract
The utility model discloses a kind of electrical safety monitoring device, including：Governor circuit, and the sample circuit with governor circuit communication connection, communicating circuit, warning circuit, touch display screen respectively；The sample circuit gathers signal to be collected；The touch display screen obtains instruction input by user；Data processing is carried out after the user instruction that the governor circuit receives the collection signal of the sample circuit acquisition and the touch display screen obtains, and shown the data information transfer after processing to the touch display screen, while the data information transfer after processing to the communicating circuit and the warning circuit are also performed into corresponding operating；Wherein, the electrical safety monitoring device is arranged in a manner of magnetic suck on distribution box metal decking.The utility model realizes scene and the purpose of remote real-time monitoring and electrical safety hidden danger management by the monitoring to fire protection electric parameter.
Description
Technical field
Information monitoring field is the utility model is related to, more particularly to a kind of electrical safety monitoring device.
Background technology
With the rapid development of electrical technology, various electric utilities step into national economy and people's lives more and more
Every field, Electrical Safety are also increasingly paid attention to be subject to country and enterprise.Electrical safety monitoring has in western developed country
The history of decades, in China, traditional electrical safety monitoring device is also drawn close to wisdom electrical safety monitoring device direction.
Wisdom electrical safety monitoring device is the nearly 2 years emerging products to grow up, typically to traditional electric peace
The simple upgrade of full monitoring device, such as addition wireless remote data transfer function etc., do not embody mobile Internet application
The intelligence of product is felt and solves the problems, such as that its in-site installation is complicated.
Based on the problem present on, this application provides the technical solution for solving above technical problem.
The content of the invention
The purpose of this utility model is to provide a kind of electrical safety monitoring device, by the monitoring to fire protection electric parameter,
Realize scene and the purpose of remote real-time monitoring and electrical safety hidden danger management.
The technical scheme that the utility model is provided is as follows：
A kind of electrical safety monitoring device, including：Governor circuit, and adopted respectively with what governor circuit communication connected
Sample circuit, communicating circuit, warning circuit, touch display screen；The sample circuit gathers signal to be collected；It is described to touch display
Screen obtains instruction input by user；The governor circuit receives the collection signal of the sample circuit acquisition and described touch shows
Data processing is carried out after the user instruction that display screen obtains, and the data information transfer after processing to the touch display screen is carried out
It has been shown that, while the data information transfer after processing to the communicating circuit and the warning circuit are also performed into corresponding operating；
Wherein, the electrical safety monitoring device is arranged in a manner of magnetic suck on distribution box metal decking.
Preferably, the governor circuit includes：Singlechip chip U1；PA420~PA7 23 of the singlechip chip U1
Analog input end, 26~PB1 of PB0,27 analog input ends, 8~PC3 of PC0,11 analog input ends, 24~PC5 of PC4,25 moulds
Intend input terminal to be electrically connected with the sample circuit respectively；The 55 data control terminals of PB3 of the singlechip chip U1, PD2 54 are counted
It is electrically connected respectively with the warning circuit according to control terminal；42~PA10 of PA9, the 43 data communication ends of the singlechip chip U1,
51~PC11 of PC10,52 data communication ends are electrically connected with the communicating circuit respectively；The PA2 16 of the singlechip chip U1~
17 data communication ends of PA3 are electrically connected with the operation display circuit respectively.
Preferably, the sample circuit includes：At least temperature sampling unit all the way；The temperature sampling unit includes：Institute
Stating 27 analog input ends of PB1 of singlechip chip U1, the first end with resistance R19, the first end of capacitance C39 are electrically connected respectively；
The second end of the resistance R19, the first end of resistance R15, the first end of capacitance C35 jointly with first via temperature sensor
One end is electrically connected；The second end of first via temperature sensor is electrically connected with the first reference voltage feeder ear；The of the capacitance C39
Two ends, the second end of the resistance R15, the second end of the capacitance C35 are publicly electrically connected with simulation jointly.
Preferably, the sample circuit further includes：Electric leakage and current sampling unit；The electric leakage and current sampling unit bag
Include amplifier chip U8, amplifier chip U11；The first end of capacitance C78, the anode tap of diode D12, the moon of diode D11
Extremely, the first end of resistance R43, the first end of resistance R41 are electrically connected jointly with the first end of electricity leakage sensor；Capacitance C80's
First end, the cathode terminal of the diode D12, the anode tap of the diode D11, the second end of the resistance R43, resistance
The first end of R48 is electrically connected jointly with the second end of the electricity leakage sensor；The first in-phase end of the amplifier chip U8 point
The first end of second end, resistance R39 not with the resistance R41 is electrically connected；The second end of the resistance R39, the of capacitance C73
One end is electrically connected with the second reference voltage feeder ear jointly；The first backward end of the amplifier chip U8 respectively with the resistance
Second end, the first end of resistance R47 of R48 is electrically connected；The first output terminal of the amplifier chip U8 respectively with the resistance
Second end, the first end of resistance R50 of R47 is electrically connected；The second end of the resistance R50, the first end of capacitance C65 are jointly and institute
11 analog input ends of PC3 for stating singlechip chip U1 are electrically connected；The first end of capacitance C77, the anode tap of diode D10, two poles
The cathode terminal of pipe D9, the first end of resistance R40 are electrically connected jointly with the first end of first via current sensor；The of capacitance C79
One end, the cathode terminal of the diode D10, the anode tap of the diode D9, first end and the first via electricity of resistance R45
The second end of flow sensor is electrically connected jointly；The second in-phase end of the amplifier chip U8 respectively with the resistance R40
Two ends, the first end of resistance R38 are electrically connected；The second backward end of the amplifier chip U8 respectively with the resistance R45
Two ends, the first end of resistance R46 are electrically connected；The second output terminal of the amplifier chip U8 respectively with the resistance R46
Two ends, the first end of resistance R49 are electrically connected；The second end of the resistance R49, the first end of capacitance C64 jointly with the monolithic
10 analog input ends of PC2 of movement piece U1 are electrically connected；The power end of the amplifier chip U8 is electrically connected with first voltage feeder ear
Connect；The ground terminal of the amplifier chip U8, the second end of the capacitance C78, the second end of the capacitance C80, the capacitance
It is the second end of C65, the second end of the capacitance C73, the second end of the capacitance C77, the second end of the capacitance C79, described
The second end of capacitance C64, the second end of the resistance R38 are publicly electrically connected with simulation jointly；The first end of capacitance C82, two
The anode tap of pole pipe D18, the cathode terminal of diode D17, the first end of resistance R56 and the first end of No. second current sensor are total to
With electrical connection；The first end of capacitance C46, the cathode terminal of the diode D18, the anode tap of the diode D17, resistance R62
First end be electrically connected jointly with the second end of No. second current sensor；The first same phase of the amplifier chip U11
The second end with the resistance R56, the first end of resistance R53 are electrically connected respectively at end；The first of the amplifier chip U11 is reverse
The second end with the resistance R62, the first end of resistance R61 are electrically connected respectively at end；The first output of the amplifier chip U11
The second end with the resistance R61, the first end of resistance R64 are electrically connected respectively at end；The second end of the resistance R64, capacitance C62
First end be electrically connected jointly with 9 analog input ends of PC1 of the singlechip chip U1；The first end of capacitance C81, diode
The anode tap of D16, the cathode terminal of diode D15, the first end of resistance R55 and the first end of No. threeth current sensor are jointly electric
Connection；The first end of capacitance C47, the cathode terminal of the diode D16, the anode tap of the diode D15, the of resistance R59
One end is electrically connected jointly with the second end of No. threeth current sensor；The second in-phase end of the amplifier chip U11 point
The first end of second end, resistance R52 not with the resistance R55 is electrically connected；The second backward end of the amplifier chip U11 point
The first end of second end, resistance R60 not with the resistance R59 is electrically connected；The second output terminal of the amplifier chip U11 point
The first end of second end, resistance R63 not with the resistance R60 is electrically connected；The second end of the resistance R63, the of capacitance C63
One end is electrically connected with 8 analog input ends of PC0 of the singlechip chip U1 jointly；The power end of the amplifier chip U11 with
The first voltage feeder ear is electrically connected；The ground terminal of the amplifier chip U11, the second end of the capacitance C82, the electricity
The second end of appearance C46, the second end of the capacitance C62, the second end of the resistance R53, the second end of the capacitance C81, institute
The second end, the second end of the capacitance C63, the second end of the resistance R52 for stating capacitance C47 are simulated publicly with described jointly
It is electrically connected.
Preferably, the communicating circuit includes：GPRS communication units；The communication unit includes GPRS communication chips U6；
35 data sending terminals of UART1_TXD of the GPRS communication chips U6 and 52 data communications of PC11 of the singlechip chip U1
End is electrically connected；36 data receivers of UART1_RXD of the GPRS communication chips U6 and the PC10 of the singlechip chip U1
51 data communication ends are electrically connected；10 data control terminals of GPRS, the 11 data control terminals point of LINKA of the GPRS communication chips U6
It is not electrically connected with the warning circuit.
Preferably, the communicating circuit further includes：Serial communication unit；The communication unit includes serial communication chip
U10；The RO 1 of the serial communication chip U10 sends the 43 data communication ends of PA10 of data terminal and the singlechip chip U1
It is electrically connected；The RE 2 of the serial communication chip U10 sends control terminal, DE 3 receives control terminal jointly with current-limiting resistance R71's
First end is electrically connected；The PA9 42 that the DI 4 of the serial communication chip U10 receives data terminal and the singlechip chip U1 is counted
It is electrically connected according to communication terminal；The 6 data communication ends of A of the serial communication chip U10 first end with resistance R58, fuse respectively
The first end of F2 is electrically connected；The first end with resistance R51, the insurance respectively of the 7 data communication ends of B of the serial communication chip U10
The first end of silk F1 is electrically connected；The second end of the fuse F2, the second end of bus surge protection, Transient Suppression Diode
First end is electrically connected with external series communication first end jointly；The second end of the fuse F1, the bus surge protection
First end, the second end of the Transient Suppression Diode are electrically connected with external series communication second end jointly；The serial communication
The power end of chip U10, the second end of the resistance R71, the second end of the resistance R58 are jointly electric with second voltage feeder ear
Connection；The ground terminal of the serial communication chip U10, the second end of the resistance R51 are publicly electrically connected with numeral jointly.
Preferably, the warning circuit includes：Buzzer unit；The buzzer unit includes buzzer B1, triode
Q2；55 data control terminals of the PB3 electricity that the base terminal of the triode Q2 passes through the current-limiting resistance R28 and singlechip chip U1
Connection；The collector terminal of the triode Q2 first end with the passive buzzer B1, anode tap, the electricity of diode D6 respectively
The first end for holding C43 is electrically connected；The second end of the passive buzzer B1, the diode D6 cathode terminals, the capacitance C43
Second end is electrically connected with second voltage feeder ear jointly；The emitter terminal of the triode Q2 is publicly electrically connected with numeral.
Preferably, the warning circuit further includes：Indicator unit；The indicator unit include light emitting diode D5,
Light emitting diode D7, light emitting diode D8, light emitting diode D20；Second voltage feeder ear passes through current-limiting resistance R25 and the hair
The anode tap of optical diode D5 is electrically connected；The 54 data control terminals of PD2 of the singlechip chip U1 by current-limiting resistance R26 with
The anode tap of the light emitting diode D7 is electrically connected；The 11 data control terminals of LINKA of the GPRS communication chips U6 pass through current limliting
Resistance R27 is electrically connected with the anode tap of the light emitting diode D8；The 10 data control terminals of GPRS of the GPRS communication chips U6
It is electrically connected by current-limiting resistance R67 with the anode tap of the light emitting diode D20；The cathode terminal of the light emitting diode D5, institute
The cathode terminal of light emitting diode D72, the cathode terminal of the light emitting diode D8, the cathode terminal of the light emitting diode D20 is stated to be total to
Publicly it is electrically connected with numeral.
Preferably, connector P4 is set in the touch display screen；The touch display screen by the connector P4 with
The governor circuit communication connection；No. 7 pin data communication terminals of the connector P4 and the PA3 of the singlechip chip U1
17 data communication ends are electrically connected；No. 8 pin data communication terminals of the connector screen P4 and the PA2 of the singlechip chip U1
16 data communication ends are electrically connected；No. 10 pin power ends of the connector P4 first end with capacitance C84, capacitance C85 respectively
First end, the first end of magnetic bead L26 be electrically connected；The second end of the magnetic bead L26 is electrically connected with tertiary voltage feeder ear；It is described
No. 9 pin ground terminals of connector P4, the second end of the capacitance C84, the second end of the capacitance C85 are jointly public with numeral
Ground is electrically connected.
Compared with prior art, a kind of electrical safety monitoring device beneficial effect of the utility model is：
1st, in the utility model, handled using high-accuracy data acquisition, high reliability data is transmitted and circuit electromagnetism
Compatible design, meets real-time, accurate, reliable and stable characteristic requirements on.
2nd, in the utility model, using high-resolution graphic control panel, electromagnetic compatibility is not only met on hardware
Design requirement, more user provide convenient human-computer interaction and the displaying of comprehensive software function.
3rd, in the utility model, the outer casing bottom of electrical safety monitoring device is internally provided with strong magnets, installation
When need to only adsorb on metal decking, it is not necessary to do the traditional guide tracked and installation by adhering of fire-fighting class product, greatly strengthen
The convenience of installation.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, a kind of electrical safety is monitored and is filled
Above-mentioned characteristic, technical characteristic, advantage and its implementation put are further described.
Fig. 1 is a kind of structure chart of electrical safety monitoring device one embodiment of the utility model；
Fig. 2 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 3 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 4 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 5 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 6 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 7 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 8 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Fig. 9 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Figure 10 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Figure 11 is a kind of structure chart of another embodiment of electrical safety monitoring device of the utility model；
Figure 12 is a kind of magnetic-type installation diagram of electrical safety monitoring device of the utility model；
Figure 13 is a kind of deconcentrator interface for being used to connect electrical safety monitoring device and external sensor of the utility model
Circuit.
Embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that drawings in the following description are only the one of the utility model
A little embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, only schematically show in each figure with the relevant part of the utility model, they are not
Represent its practical structures as product.In addition, so that simplified form readily appreciates, there is identical structure or work(in some figures
The component of energy, only symbolically depicts one of those, or only marked one of those.Herein, "one" is not only
Represent " only this ", can also represent the situation of " more than one ".
The utility model provides a kind of one embodiment of electrical safety monitoring device, with reference to shown in figure 1 and Fig. 2, bag
Include：Governor circuit, and the sample circuit with governor circuit communication connection, communicating circuit, warning circuit, touch are aobvious respectively
Display screen；The sample circuit gathers signal to be collected；The touch display screen obtains instruction input by user；The master control electricity
Road is carried out at data after receiving the user instruction for gathering signal and touch display screen acquisition that the sample circuit obtains
Reason, and the data information transfer after processing to the touch display screen is shown, while also by the data message after processing
It is transmitted to the communicating circuit and the warning circuit performs corresponding operating；Wherein, the electrical safety monitoring device is with magnetic
Suction type is arranged on distribution box metal decking.
Specifically, in the present embodiment, sample circuit includes temperature sampling unit and electric leakage and current sampling unit, communication
Circuit includes GPRS communication units and serial communication unit, and warning circuit includes buzzer unit and indicator unit.Temperature is adopted
Sample unit is used for the temperature signal for obtaining external temperature sensor collection, and electric leakage and current sampling unit are used to obtain outside line
On electric leakage signal and current signal.Touch display screen is used to obtain the user preset value such as alarm parameters.Governor circuit receives
The temperature signal and the electric leakage signal and current signal of electric leakage and current sampling unit acquisition that temperature sampling unit obtains are laggard
Row data processing, and the data transfer after processing to touch display screen is subjected to realtime curve, while will can also handle
Data afterwards are transmitted to external monitoring systems by serial communication unit or are transmitted to by GPRS communication units mobile whole
End.Governor circuit also receives the user preset values such as the alarm parameters of touch display screen acquisition, when sample circuit gathers
Either signal when falling into preset alarm parameter area, then it is assumed that there occurs corresponding alarm, the buzzing of main control unit control at this time
Device unit performs acoustic alarm function, indicator unit performs light warning function.Touch display screen can be also used for electrical safety
Monitoring device carries out function self-test.
Another embodiment is provided on the basis of above example, with reference to figure 3, the governor circuit includes：Microcontroller
Chip U1；20~PA7 of PA4,23 analog input ends of the singlechip chip U1,26~PB1 of PB0,27 analog input ends,
8~PC3 of PC0,11 analog input ends, 24~PC5 of PC4,25 analog input ends are electrically connected with the sample circuit respectively；It is described
55 data control terminals of PB3, the 54 data control terminals of PD2 of singlechip chip U1 is electrically connected with the warning circuit respectively；It is described
42~PA10 of PA9, the 43 data communication ends of singlechip chip U1,51~PC11 of PC10,52 data communication ends respectively with it is described
Communicating circuit is electrically connected；16~PA3 of PA2, the 17 data communication ends of the singlechip chip U1 are electric with the operation display respectively
Road is electrically connected.
Specifically, in the present embodiment, the model STM32F103RBT6 of singlechip chip U1, highest dominant frequency 72MHz,
The data of collection can quickly be handled and communicated between touch display screen and communicating circuit.Singlechip chip U1's
PB0 (26 foot), PB1 (27 foot), PC4 (24 foot), PC5 (25 foot), PA4 (20 foot)~PA7 (23 foot) analog input port point
8 road temperature signals are not received, and PC3 (11 foot) analog input port receives 1 road electric leakage signal, PC0 (8 foot)~PC2 (10 foot)
Analog input port receives 3 road current signals.Microcontroller carries out the temperature signal, electric leakage signal and current signal of reception
AD conversion, and exported result to touch display screen by PA2 (16 foot), PA3 (17 foot) data communication port, pass through PA9 (42
Foot), PA10 (43 foot) data communication port transmit the result to serial communication unit, pass through PC10 (51 foot), PC11 (52 foot)
Data communication port transmits the result to GPRS communication units.When there is alarm, pass through PB3 (55 foot) port controlling buzzer list
Member and pass through PD2 (54 foot) port controlling indicator unit carry out sound-light alarm.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 4, the sample circuit includes：Extremely
Few temperature sampling unit all the way；The temperature sampling unit includes：PB1 27 analog input ends point of the singlechip chip U1
First end, the first end of capacitance C39 not with resistance R19 are electrically connected；The second end of the resistance R19, the first of resistance R15
End, first end of the first end of capacitance C35 jointly with first via temperature sensor are electrically connected；The second of first via temperature sensor
End is electrically connected with the first reference voltage feeder ear；The second end of the capacitance C39, the second end of the resistance R15, the capacitance
The second end of C35 is publicly electrically connected with simulation jointly.
Specifically, in the present embodiment, there can be multi way temperature sampling unit, all referring to following connection modes.Temperature passes
Sensor can be platinum resistance thermometer sensor, and its one end connection power supply, ground is simulated in the sampled resistance connection of the other end, and is accessed after RC is filtered
Chip Microcomputer A/D port.1~temperature of temperature, 8 analog signal is respectively connected to PB1, PB0, PC5, PC4, PA7~PA4 of microcontroller U1
Analog input port.The power supply of first reference voltage is VREF1, and simulation is publicly AGND.
Another embodiment is provided on the basis of above example, with reference to shown in figure 5 and Fig. 6, the sample circuit is also
Including：Electric leakage and current sampling unit；The electric leakage and current sampling unit include amplifier chip U8, amplifier chip U11；
The first end of capacitance C78, the anode tap of diode D12, the cathode terminal of diode D11, the first end of resistance R43, resistance R41
First end is electrically connected jointly with the first end of electricity leakage sensor；The first end of capacitance C80, the cathode terminal of the diode D12, institute
State the anode tap of diode D11, the second end of the resistance R43, the first end of resistance R48 and the second of the electricity leakage sensor
End is common to be electrically connected；The first in-phase end of the amplifier chip U8 second end with the resistance R41, resistance R39 respectively
First end is electrically connected；The second end of the resistance R39, the first end of capacitance C73 are electrically connected with the second reference voltage feeder ear jointly
Connect；The second end with the resistance R48, the first end of resistance R47 are electrically connected the first backward end of the amplifier chip U8 respectively
Connect；The second end with the resistance R47, the first end of resistance R50 are electrically connected the first output terminal of the amplifier chip U8 respectively
Connect；The second end of the resistance R50, the first end of capacitance C65 11 simulation inputs of PC3 with the singlechip chip U1 jointly
End is electrically connected；The first end of capacitance C77, the anode tap of diode D10, the cathode terminal of diode D9, resistance R40 first end with
The first end of first via current sensor is electrically connected jointly；The cathode terminal, described of the first end of capacitance C79, the diode D10
The anode tap of diode D9, the first end of resistance R45 are electrically connected jointly with the second end of the first via current sensor；It is described
The second end with the resistance R40, the first end of resistance R38 are electrically connected the second in-phase end of amplifier chip U8 respectively；It is described
The second end with the resistance R45, the first end of resistance R46 are electrically connected the second backward end of amplifier chip U8 respectively；It is described
The second end with the resistance R46, the first end of resistance R49 are electrically connected the second output terminal of amplifier chip U8 respectively；It is described
The second end of resistance R49, the first end of capacitance C64 are electrically connected with 10 analog input ends of PC2 of the singlechip chip U1 jointly
Connect；The power end of the amplifier chip U8 is electrically connected with first voltage feeder ear；The ground terminal of the amplifier chip U8, institute
State the second end of capacitance C78, the second end of the capacitance C80, the second end of the capacitance C65, the second of the capacitance C73
End, the second end of the capacitance C77, the second end of the capacitance C79, the second end of the capacitance C64, the resistance R38
Second end is publicly electrically connected with simulation jointly；The first end of capacitance C82, the anode tap of diode D18, the moon of diode D17
Extremely, the first end of resistance R56 is electrically connected jointly with the first end of No. second current sensor；It is the first end of capacitance C46, described
The cathode terminal of diode D18, the anode tap of the diode D17, first end and No. second current sensor of resistance R62
Second end be electrically connected jointly；The first in-phase end of the amplifier chip U11 second end with the resistance R56, electricity respectively
The first end for hindering R53 is electrically connected；The first backward end of the amplifier chip U11 second end with the resistance R62, electricity respectively
The first end for hindering R61 is electrically connected；The first output terminal of the amplifier chip U11 second end with the resistance R61, electricity respectively
The first end for hindering R64 is electrically connected；The second end of the resistance R64, the first end of capacitance C62 jointly with the singlechip chip U1
9 analog input ends of PC1 be electrically connected；The first end of capacitance C81, the anode tap of diode D16, diode D15 cathode terminal,
The first end of resistance R55 is electrically connected jointly with the first end of No. threeth current sensor；The first end of capacitance C47, two pole
The cathode terminal of pipe D16, the anode tap of the diode D15, resistance R59 first end and No. threeth current sensor the
Two ends are electrically connected jointly；The second in-phase end of the amplifier chip U11 second end with the resistance R55, resistance R52 respectively
First end be electrically connected；The second backward end of the amplifier chip U11 second end with the resistance R59, resistance R60 respectively
First end be electrically connected；The second output terminal of the amplifier chip U11 second end with the resistance R60, resistance R63 respectively
First end be electrically connected；The second end of the resistance R63, the first end of capacitance the C63 PC0 with the singlechip chip U1 jointly
8 analog input ends are electrically connected；The power end of the amplifier chip U11 is electrically connected with the first voltage feeder ear；It is described to put
The ground terminal of big device chip U11, the second end of the capacitance C82, the second end of the capacitance C46, the second of the capacitance C62
End, the second end of the resistance R53, the second end of the capacitance C81, the second end of the capacitance C47, the capacitance C63
Second end, the second end of the resistance R52 are publicly electrically connected with the simulation jointly.
Specifically, in the present embodiment, the model SGM8552 of amplifier chip, is that one kind is directed to Weak absorption
Binary channels high precision operating amplifier.The analog signal of electric leakage and current sensor collection is accessed by operational amplifier U8, U11
The same phase of the calculus of differences amplifying circuit of composition, inverting input, carry out the amplification of certain multiple by analog signal and voltage are lifted
After rising, filtered through RC, access Chip Microcomputer A/D mouth is sampled, and the PC3 analog quantitys that leakage analog signal is connected to microcontroller U1 are defeated
Inbound port, 1~electric current of electric current, 3 analog signal are respectively connected to PC0~PC2 analog inputs port of microcontroller U1.Wherein 1 tunnel
The lifting voltage of electric leakage signal is determined by 3 input voltage of pin of U8, because AREF-1.25V series resistances R39 is connected to pin 3,
Therefore the lifting voltage of road electric leakage is 1.25V；The amplification factor of electric leakage signal then determines by the resistance value ratio of resistance R47 and R48,
Ratio is 100 in the design, therefore the amplification factor to leak electricity is 100 times.3 road current signals are because of its in-phase input end accessed
Resistance connection simulation ground is concatenated, therefore lifting voltage is 0；With the difference channel that leaks electricity, this sets the amplification factor principle of current signal
Ratio is 5.1 in meter, therefore the amplification factor of electric current is 5.1 times.The power supply of second reference voltage is ARER_1.25V, and first voltage supplies
Electricity is AVCC3.3V.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 7, the communicating circuit includes：
GPRS communication units；The communication unit includes GPRS communication chips U6；The UART1_TXD 35 of the GPRS communication chips U6
Data sending terminal is electrically connected with the 52 data communication ends of PC11 of the singlechip chip U1；The GPRS communication chips U6's
36 data receivers of UART1_RXD are electrically connected with the 51 data communication ends of PC10 of the singlechip chip U1；The GPRS leads to
10 data control terminals of GPRS, the 11 data control terminals of LINKA of news chip U6 is electrically connected with the warning circuit respectively.
Specifically, in the present embodiment, the model USR-GM3 of GPRS chips U6, is that a kind of highly integrated UART turns
The communication module of GPRS, for carrying out bidirectional data transfers between microcontroller U1, and carries out between mobile terminal two-way
Data transfer.Result after AD conversion is transmitted to GPRS chips by microcontroller by serial mode, and GPRS chips are again by wireless
To mobile terminal, user carries out checking result network transmission by mobile terminal.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 8, the communicating circuit further includes：
Serial communication unit；The communication unit includes serial communication chip U10；The RO 1 of the serial communication chip U10 sends number
It is electrically connected according to end with the 43 data communication ends of PA10 of the singlechip chip U1；The RE 2 of the serial communication chip U10 is sent
Control terminal, DE 3 receive first end of the control terminal jointly with current-limiting resistance R71 and are electrically connected；The DI of the serial communication chip U10
4 reception data terminals are electrically connected with the 42 data communication ends of PA9 of the singlechip chip U1；The A6 of the serial communication chip U10
The first end with resistance R58, the first end of fuse F2 are electrically connected respectively at data communication end；The B of the serial communication chip U10
The first end with resistance R51, the first end of fuse F1 are electrically connected respectively at 7 data communication ends；The second end of the fuse F2,
The second end of bus surge protection, the first end of Transient Suppression Diode are electrically connected with external series communication first end jointly；Institute
State the second end of fuse F1, the first end of the bus surge protection, the second end of the Transient Suppression Diode jointly with
External series communication second end is electrically connected；It is the power end of the serial communication chip U10, the second end of the resistance R71, described
The second end of resistance R58 is electrically connected with second voltage feeder ear jointly；Ground terminal, the electricity of the serial communication chip U10
The second end for hindering R51 is publicly electrically connected with numeral jointly.
Specifically, in the present embodiment, the model MAX13487 of communication chip U10, is that a kind of half-duplex RS -485 is received
Device is sent out, for carrying out data transmission between singlechip chip U1, and is carried out data transmission between external monitoring systems.
PA10 (43 foot) data communication port of the 1 foot sending port connection U1 of U10, the PA9 (42 of the 4 foot receiving ports connection U1 of U10
Foot) data communication port, for the data transfer between singlechip chip U1 and communication chip U10.A, B foot mouth point of U10
Not Lian Jie RS485 connections, for the data transfer among communication chip U10 and external monitoring systems.Second voltage is powered
3.3V, numeral is publicly GND.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 9, the warning circuit includes：Bee
Ring device unit；The buzzer unit includes buzzer B1, triode Q2；The base terminal of the triode Q2 passes through current-limiting resistance
R28 is electrically connected with the 55 data control terminals of PB3 of the singlechip chip U1；The collector terminal of the triode Q2 respectively with institute
The first end of passive buzzer B1, the anode tap of diode D6, the first end of capacitance C43 is stated to be electrically connected；The passive buzzer
The second end of B1, the diode D6 cathode terminals, the second end of the capacitance C43 are electrically connected with second voltage feeder ear jointly；
The emitter terminal of the triode Q2 is publicly electrically connected with numeral.
Specifically, in the present embodiment, B1 is passive buzzer, it is necessary to be driven using the PWM ripples of certain duty cycle.BU_C
For buzzer control terminal, it is connected with the PB3 (55 foot) of singlechip chip U1.By configuring in a program, PB3 (55 foot) can be made
Export certain duty cycle PWM ripples, for drive triode Q2, PB3 (55 foot) export high level when, Q2 conducting, B1 positive and negative anodes it
Between there are 3.3V voltages, during PB3 (55 foot) output low levels, Q2 shut-offs, without pressure difference between B1 positive and negative anodes.When PB3 (55 foot) is defeated
When going out the PWM ripples of certain duty cycle, Q2 is with corresponding frequencies break-make, so as to control buzzer B1 to make a sound.When electric leakage or temperature
When degree is alarmed, buzzer makes a sound.
Another embodiment is provided on the basis of above example, refering to what is shown in Fig. 10, the warning circuit further includes：
Indicator unit；The indicator unit includes light emitting diode D5, light emitting diode D7, light emitting diode D8, light-emitting diodes
Pipe D20；Second voltage feeder ear is electrically connected by current-limiting resistance R25 with the anode tap of the light emitting diode D5；The monolithic
The 54 data control terminals of PD2 of movement piece U1 are electrically connected by current-limiting resistance R26 with the anode tap of the light emitting diode D7；Institute
The 11 data control terminals of LINKA for stating GPRS communication chips U6 pass through the anode tap of the current-limiting resistance R27 and light emitting diode D8
It is electrically connected；The 10 data control terminals of GPRS of the GPRS communication chips U6 pass through current-limiting resistance R67 and the light emitting diode
The anode tap of D20 is electrically connected；The cathode terminal of the light emitting diode D5, the light emitting diode D72 cathode terminal, it is described shine
The cathode terminal of diode D8, the cathode terminal of the light emitting diode D20 are publicly electrically connected with numeral jointly.
Specifically, in the present embodiment, light emitting diode D5 is power supply indicator, when electrical safety monitoring device is powered just
Lighted when often.Light emitting diode D7 is alarm lamp, when temperature, electric leakage, electric current either signal are alarmed, monolithic movement
Piece U1 control PD2 (54 foot) output high level, alarm lamp are bright.Light emitting diode D8 indicates for GPRS connections, when GPRS nets
When network establishes connection, GPRS communication chips U6 control LINKA (11 foot) export high level, and GPRS connection indicator lights are bright.Luminous two
Pole pipe D20 is GPRS communication instructions, and when there is data transfer on GPRS network, GPRS communication chips U6 control GPRS (10 foot) are defeated
Go out high level, GPRS communication indicator lights are bright.
Another embodiment is provided on the basis of above example, with reference to shown in figure 11, is set in the touch display screen
Put connector P4；The touch display screen is connected by the connector P4 and governor circuit communication；The connector P4
No. 7 pin data communication terminals be electrically connected with the 17 data communication ends of PA3 of the singlechip chip U1；The connector screen P4
No. 8 pin data communication terminals be electrically connected with the 16 data communication ends of PA2 of the singlechip chip U1；The connector P4's
The first end with capacitance C84, the first end of capacitance C85, the first end of magnetic bead L26 are electrically connected No. 10 pin power ends respectively；Institute
The second end for stating magnetic bead L26 is electrically connected with tertiary voltage feeder ear；No. 9 pin ground terminals, the capacitance of the connector P4
The second end of C84, the second end of the capacitance C85 are publicly electrically connected with numeral jointly.
Specifically, in the present embodiment, connector P4 is 10 core FCC connectors, uses FCC soft arranging wires and touch display screen
Connection, for TTL communications to be powered and carried out to touch display screen.Wherein, touch display screen power supply is through magnetic bead L26 by 5V power supplys
Isolated, and be filtered and export through capacitance C84, C85, enhanced touch display screen and suppress electromagnetic interference capability；Touch
Display screen communications pins 7, pin 8 are respectively connected to the PA3 (17 foot) of singlechip chip U1, PA2 (16 foot), realize and touch display
Serial ports TTL communication functions between screen and microcontroller.Tertiary voltage power supply is 5V.
The utility model additionally provides a kind of magnetic-type mounting structure design outside drawing of electrical safety monitoring device, reference
Shown in Figure 12.7 strong magnets are placed in the inside of the outer casing bottom contact surface of electrical safety monitoring device, equipment only needs to adsorb
Installation, the guide tracked or embedded peace traditional without doing fire-fighting class product can be just completed on the metal decking of similar distribution box
Dress, significantly enhances the convenience of installation.
The utility model, which additionally provides, a kind of to be used to connect electrical safety monitoring device and the deconcentrator of external sensor connects
Mouth circuit, with reference to shown in figure 13.Deconcentrator is substantially a terminal box, is connection various kinds of sensors and electrical safety monitoring device
Intermediate equipment, in deconcentrator, magnetic bead is in series with each signal wire, to strengthen the rejection ability of electromagnetic interference.
Deconcentrator is a terminal box, and the wiring of sensor is completed on deconcentrator, its mounting structure equally uses magnetic-type design, with
Electrical safety monitoring device is attached by winding displacement, avoided with this carry out all kinds of wiring at electrical safety monitoring device and
Caused wiring is cumbersome mixed and disorderly.
The utility model also provides one embodiment, and with reference to shown in figure 1-13, temperature sampling unit obtains external temperature and passes
The temperature signal of sensor collection；Electric leakage and current sampling unit obtain electric leakage signal and current signal on outside line；It is main
Control circuit passes through the PB0 (26 foot) of microcontroller U1, PB1 (27 foot), PC4 (24 foot), PC5 (25 foot), PA4 (20 foot)~PA7 (23
Foot) port receives temperature signal, and receives electric leakage signal and electricity by PC0 (8 foot)~PC3 (11 foot) port of microcontroller U1
Signal is flowed, is then AD converted, and is exported transformation result to tactile by PA2 (16 foot), PA3 (17 foot) data communication ports
Display screen is touched, transformation result is transmitted to by serial communication unit by PA9 (42 foot), PA10 (43 foot) data communication port, is led to
Cross PC10 (51 foot), transformation result is transmitted to GPRS communication units by PC11 (52 foot) data communication port.Touch display screen is real
When show the temperature after AD conversion, electric leakage, current signal.Serial communication chip U10 will be received by A (6 foot), B (7 foot) port
Transformation result be uploaded to external monitoring systems.The transformation result of reception is transmitted to movement by GPRS chips U6 by wireless network
Terminal.User passes through touch display screen set temperature, electric leakage and electric current alarming value, when any alarm occurs, governor circuit
Acoustic alarm function is performed by PB3 (55 foot) port controlling buzzers unit, passes through PD2 (54 foot) port controlling indicator unit
Perform light warning function.Touch display screen can also be by programming self-defined some push button function.For example, mute button is used to send out
During raw alarm, buzzer makes a sound and alarm lamp is bright, after staff notices alarm at this time, can press noise reduction
Button is so as to close buzzer, but alarm lamp is still remain on until alarm elimination, so can be to avoid due to bee
The sound of ring device makes one to produce sense of discomfort；Self-test button, which is used to artificially set, alarms, and buzzer should make a sound at this time
And alarm lamp should be lighted.
Need what is illustrated, in this application used component model, while performance parameter is not influenced, Ke Yijin
The adjustment of row practicality.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. electrical safety monitoring device, it is characterised in that including：Governor circuit, and lead to respectively with the governor circuit Interrogate the sample circuit connected, communicating circuit, warning circuit, touch display screen；The sample circuit gathers signal to be collected；The touch display screen obtains instruction input by user；The governor circuit receives the collection signal of the sample circuit acquisition and the user of touch display screen acquisition refers to Data processing is carried out after order, and the data information transfer after processing to the touch display screen is shown, while will also place Data information transfer to the communicating circuit and the warning circuit after reason performs corresponding operating；Wherein, the electrical safety monitoring device is arranged in a manner of magnetic suck on distribution box metal decking.
- 2. a kind of electrical safety monitoring device according to claim 1, it is characterised in that the governor circuit includes：It is single Piece movement piece U1；PA420~PA723 analog input ends of the singlechip chip U1, PB026~PB127 analog input ends, PC08~ PC311 analog input ends, PC424~PC525 analog input ends are electrically connected with the sample circuit respectively；PB355 data control terminal, the PD254 data control terminal of the singlechip chip U1 is electrically connected with the warning circuit respectively Connect；PA942~PA1043 data communications end of the singlechip chip U1, PC1051~PC1152 data communications end respectively with The communicating circuit is electrically connected；PA216~PA317 data communications end of the singlechip chip U1 is electrically connected with the operation display circuit respectively.
- 3. a kind of electrical safety monitoring device according to claim 2, it is characterised in that the sample circuit includes：Extremely Few temperature sampling unit all the way；The temperature sampling unit includes：The PB127 analog input ends of the singlechip chip U1 respectively with resistance R19 first End, the first end of capacitance C39 are electrically connected；The second end of the resistance R19, the first end of resistance R15, the first end of capacitance C35 The first end with first via temperature sensor is electrically connected jointly；The second end of first via temperature sensor is supplied with the first reference voltage Electric end is electrically connected；The second end of the capacitance C39, the second end of the resistance R15, the second end of the capacitance C35 jointly with Simulation is publicly electrically connected.
- 4. a kind of electrical safety monitoring device according to claim 2, it is characterised in that the sample circuit further includes： Electric leakage and current sampling unit；The electric leakage and current sampling unit include amplifier chip U8, amplifier chip U11；The first end of capacitance C78, the anode tap of diode D12, the cathode terminal of diode D11, the first end of resistance R43, resistance The first end of R41 is electrically connected jointly with the first end of electricity leakage sensor；The cathode of the first end of capacitance C80, the diode D12 End, first end and the electricity leakage sensor of the anode tap of the diode D11, the second end of the resistance R43, resistance R48 Second end be electrically connected jointly；The first in-phase end of the amplifier chip U8 second end with the resistance R41, resistance respectively The first end of R39 is electrically connected；The second end of the resistance R39, the first end of capacitance C73 jointly with the second reference voltage feeder ear It is electrically connected；The first backward end of the amplifier chip U8 second end with the resistance R48, the first end of resistance R47 respectively It is electrically connected；The first output terminal of the amplifier chip U8 second end with the resistance R47, the first end of resistance R50 respectively It is electrically connected；The second end of the resistance R50, the first end of capacitance C65 are jointly defeated with the PC311 simulations of the singlechip chip U1 Enter end to be electrically connected；The first end of capacitance C77, the anode tap of diode D10, the cathode terminal of diode D9, the first end of resistance R40 It is electrically connected jointly with the first end of first via current sensor；The first end of capacitance C79, the cathode terminal of the diode D10, institute State the anode tap of diode D9, the first end of resistance R45 is electrically connected jointly with the second end of the first via current sensor；Institute Stating the second in-phase end of amplifier chip U8, the second end with the resistance R40, the first end of resistance R38 are electrically connected respectively；Institute Stating the second backward end of amplifier chip U8, the second end with the resistance R45, the first end of resistance R46 are electrically connected respectively；Institute Stating the second output terminal of amplifier chip U8, the second end with the resistance R46, the first end of resistance R49 are electrically connected respectively；Institute The PC210 analog input ends of the second end, the first end of capacitance C64 of resistance R49 jointly with the singlechip chip U1 are stated to be electrically connected Connect；The power end of the amplifier chip U8 is electrically connected with first voltage feeder ear；The ground terminal of the amplifier chip U8, institute State the second end of capacitance C78, the second end of the capacitance C80, the second end of the capacitance C65, the second of the capacitance C73 End, the second end of the capacitance C77, the second end of the capacitance C79, the second end of the capacitance C64, the resistance R38 Second end is publicly electrically connected with simulation jointly；The first end of capacitance C82, the anode tap of diode D18, the cathode terminal of diode D17, the first end and second of resistance R56 The first end of road current sensor is electrically connected jointly；The first end of capacitance C46, the cathode terminal of the diode D18, two pole The anode tap of pipe D17, the first end of resistance R62 are electrically connected jointly with the second end of No. second current sensor；It is described to put The second end with the resistance R56, the first end of resistance R53 are electrically connected the first in-phase end of big device chip U11 respectively；It is described to put The second end with the resistance R62, the first end of resistance R61 are electrically connected the first backward end of big device chip U11 respectively；It is described to put The second end with the resistance R61, the first end of resistance R64 are electrically connected the first output terminal of big device chip U11 respectively；The electricity The PC19 analog input ends of the second end, the first end of capacitance C62 of R64 jointly with the singlechip chip U1 are hindered to be electrically connected；Electricity Hold the first end of C81, the anode tap of diode D16, the cathode terminal of diode D15, first end and the 3rd road electric current of resistance R55 The first end of sensor is electrically connected jointly；The first end of capacitance C47, the cathode terminal of the diode D16, the diode D15 Anode tap, the first end of resistance R59 is electrically connected jointly with the second end of No. threeth current sensor；The amplifier core The second end with the resistance R55, the first end of resistance R52 are electrically connected the second in-phase end of piece U11 respectively；The amplifier core The second end with the resistance R59, the first end of resistance R60 are electrically connected the second backward end of piece U11 respectively；The amplifier core The second end with the resistance R60, the first end of resistance R63 are electrically connected the second output terminal of piece U11 respectively；The resistance R63 PC08 analog input ends jointly with the singlechip chip U1 of second end, the first end of capacitance C63 be electrically connected；The amplification The power end of device chip U11 is electrically connected with the first voltage feeder ear；Ground terminal, the electricity of the amplifier chip U11 The second end of appearance C82, the second end of the capacitance C46, the second end of the capacitance C62, the second end of the resistance R53, institute State second end, the second end of the capacitance C47, the second end of the capacitance C63, the second end of the resistance R52 of capacitance C81 Publicly it is electrically connected with the simulation jointly.
- 5. a kind of electrical safety monitoring device according to claim 2, it is characterised in that the communicating circuit includes： GPRS communication units；The communication unit includes GPRS communication chips U6；35 data sending terminals of UART1_TXD of the GPRS communication chips U6 and the PC1152 data of the singlechip chip U1 Communication terminal is electrically connected；The UART1_RXD36 data receivers of the GPRS communication chips U6 are with the singlechip chip U1's PC1051 data communications end is electrically connected；10 data control terminals of GPRS, the 11 data control terminals of LINKA of the GPRS communication chips U6 is electric with the alarm respectively Road is electrically connected.
- 6. a kind of electrical safety monitoring device according to claim 2, it is characterised in that the communicating circuit further includes： Serial communication unit；The communication unit includes serial communication chip U10；The RO 1 of the serial communication chip U10 sends the PA1043 data communications end electricity of data terminal and the singlechip chip U1 Connection；The RE 2 of the serial communication chip U10 sends control terminal, DE 3 receives the of control terminal jointly with current-limiting resistance R71 One end is electrically connected；The PA942 data that the DI 4 of the serial communication chip U10 receives data terminal and the singlechip chip U1 are led to End is interrogated to be electrically connected；The A6 data communications end of the serial communication chip U10 first end with resistance R58, fuse F2 respectively First end is electrically connected；The 7 data communication ends of B of the serial communication chip U10 first end with resistance R51, fuse F1 respectively First end be electrically connected；The second end of the fuse F2, the second end of bus surge protection, the first of Transient Suppression Diode End is electrically connected with external series communication first end jointly；The first of the second end of the fuse F1, the bus surge protection End, the second end of the Transient Suppression Diode are electrically connected with external series communication second end jointly；The serial communication chip The power end of U10, the second end of the resistance R71, the second end of the resistance R58 are electrically connected with second voltage feeder ear jointly Connect；The ground terminal of the serial communication chip U10, the second end of the resistance R51 are publicly electrically connected with numeral jointly.
- 7. a kind of electrical safety monitoring device according to claim 2, it is characterised in that the warning circuit includes：Bee Ring device unit；The buzzer unit includes buzzer B1, triode Q2；The PB355 data control terminal electricity that the base terminal of the triode Q2 passes through the current-limiting resistance R28 and singlechip chip U1 Connection；The collector terminal of the triode Q2 first end with the buzzer B1, anode tap, the capacitance of diode D6 respectively The first end of C43 is electrically connected；The second end of the buzzer B1, the diode D6 cathode terminals, the second end of the capacitance C43 It is electrically connected jointly with second voltage feeder ear；The emitter terminal of the triode Q2 is publicly electrically connected with numeral.
- 8. a kind of electrical safety monitoring device according to claim 5, it is characterised in that the warning circuit further includes： Indicator unit；The indicator unit includes light emitting diode D5, light emitting diode D7, light emitting diode D8, light emitting diode D20；Second voltage feeder ear is electrically connected by current-limiting resistance R25 with the anode tap of the light emitting diode D5；The microcontroller The PD254 data control terminal of chip U1 is electrically connected by current-limiting resistance R26 with the anode tap of the light emitting diode D7；It is described The anode tap electricity that the 11 data control terminals of LINKA of GPRS communication chips U6 pass through the current-limiting resistance R27 and light emitting diode D8 Connection；The 10 data control terminals of GPRS of the GPRS communication chips U6 pass through current-limiting resistance R67 and the light emitting diode D20 Anode tap be electrically connected；The cathode terminal of the light emitting diode D5, the cathode terminal of the light emitting diode D72, described luminous two The cathode terminal of pole pipe D8, the cathode terminal of the light emitting diode D20 are publicly electrically connected with numeral jointly.
- A kind of 9. electrical safety monitoring device according to claim 2, it is characterised in that including：Connector P4 is set in the touch display screen；The touch display screen passes through the connector P4 and the governor circuit Communication connection；No. 7 pin data communication terminals of the connector P4 are electrically connected with the PA317 data communications end of the singlechip chip U1； No. 8 pin data communication terminals of the connector screen P4 are electrically connected with the PA216 data communications end of the singlechip chip U1；Institute State No. 10 pin power ends of connector the P4 first end with capacitance C84, the first end of capacitance C85, the first of magnetic bead L26 respectively End is electrically connected；The second end of the magnetic bead L26 is electrically connected with tertiary voltage feeder ear；No. 9 pins ground connection of the connector P4 End, the second end of the capacitance C84, the second end of the capacitance C85 are publicly electrically connected with numeral jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253080.7U CN207366999U (en) | 2017-09-27 | 2017-09-27 | A kind of electrical safety monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721253080.7U CN207366999U (en) | 2017-09-27 | 2017-09-27 | A kind of electrical safety monitoring device |
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| CN207366999U true CN207366999U (en) | 2018-05-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998896A (en) * | 2019-04-28 | 2019-07-12 | 郑州飞龙医疗设备有限公司 | The control circuit of spinal treatments rifle |
| CN110350937A (en) * | 2019-04-30 | 2019-10-18 | 安徽汉云智能制造有限责任公司 | A kind of GPRS network communication device |
-
2017
- 2017-09-27 CN CN201721253080.7U patent/CN207366999U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998896A (en) * | 2019-04-28 | 2019-07-12 | 郑州飞龙医疗设备有限公司 | The control circuit of spinal treatments rifle |
| CN110350937A (en) * | 2019-04-30 | 2019-10-18 | 安徽汉云智能制造有限责任公司 | A kind of GPRS network communication device |
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