CN210041827U - User information transmission device - Google Patents
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- CN210041827U CN210041827U CN201920864782.1U CN201920864782U CN210041827U CN 210041827 U CN210041827 U CN 210041827U CN 201920864782 U CN201920864782 U CN 201920864782U CN 210041827 U CN210041827 U CN 210041827U
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Abstract
The utility model discloses a user information transmission device relates to information transmission equipment technical field, include: the system mainboard is reserved with an expansion interface module and an expansion board; the system mainboard is connected with the expansion board through a reserved expansion interface module; the expansion board comprises a single chip microcomputer, an analog quantity acquisition module and a switching value module, wherein the analog quantity acquisition module and the switching value module are connected with the single chip microcomputer. The utility model discloses a set up the expansion board of being connected with user information device's system motherboard, made whole device newly-increased 4G wireless transmission, analog input, switching value output, speech output function, solved the compatible lower problem with the expansibility of traditional user information transmission device, simple and convenient, nimble practical.
Description
Technical Field
The utility model belongs to the technical field of information transmission equipment technique and specifically relates to a user information transmission device.
Background
The user information transmission device is a noun appearing in technical specification GB 50440-2007 of the urban fire-fighting remote monitoring system, is a core front-end device of the urban fire-fighting remote monitoring system, and is used for acquiring and transmitting various user alarm information and device state information acquired from a user fire-fighting control host. The user information transmission device can carry out centralized monitoring and management on scattered building fire-fighting facilities so as to meet the centralized monitoring requirements of systems such as urban fire protection and security protection, is an indispensable part in an urban fire-fighting remote monitoring system, and has the characteristics of convenience in installation and simplicity in debugging.
The user information transmission device is mainly used for being connected with an alarm host machine to carry out remote alarm monitoring at present, the expansibility and the compatibility of the transmission device are not greatly improved all the time, and part of places have requirements on analog quantities such as water pressure and liquid level, input switching quantities such as a door magnet and a fireproof door and output switching quantities such as a relay switch, and the traditional transmission device at present obviously cannot meet the requirements. Therefore, it is a realistic meaning for those skilled in the art to design a user information transmission device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that traditional user information transmission device compatibility and expansibility are lower, the utility model provides a user information transmission device.
The utility model adopts the technical scheme as follows:
a user information transmission apparatus comprising:
the system mainboard is reserved with an expansion interface module and an expansion board;
the system mainboard is connected with the expansion board through a reserved expansion interface module;
the reserved expansion interface module comprises an RS232 driving circuit and a reserved expansion interface circuit;
the expansion board comprises a single chip microcomputer, an analog quantity acquisition module and a switching value module, wherein the analog quantity acquisition module and the switching value module are connected with the single chip microcomputer;
the analog quantity acquisition module comprises a voltage analog quantity input module, a current analog quantity input module and an analog quantity switch switching chip;
the switching value module comprises a switching value input module and a switching value output module.
Preferably, the reserved expansion interface circuit is connected with the following circuits: a 5 interface of the reserved expansion interface J10 is connected with a GPRS232_ TX _ G node of the RS232 driving circuit, and a 4 interface of the reserved expansion interface J10 is connected with a GPRS232_ RX _ G node of the RS232 driving circuit; the 1 interface of reserving expansion interface J10 inserts 12V power behind the contact switch of relay K2, and 12V power is connected to relay K2's coil one end, and the collecting electrode of triode V5 is connected to the coil other end, is connected with diode D7 between the coil both ends, and the base of triode V5 is connected behind resistance R66 the 35 pin of system mainboard, triode V5's projecting pole ground connection, has connect resistance R67 between triode V5's base and the projecting pole.
Preferably, the voltage analog input module is a 3-way 0-10V voltage type analog input module, and includes a voltage analog input interface J13 and a voltage analog input circuit, which are specifically connected as follows: the Vin1 node of the voltage analog input circuit is connected with the 2 interface of the voltage analog input interface J13; the Vch1 node of the voltage analog input circuit is connected with the 1 interface of the analog switch switching chip U8.
Preferably, the voltage analog input circuit is connected as follows: one end of the resistor R9 is connected with the resistor R15 and then grounded, the other end of the resistor R9 is connected with the resistor R19 and then grounded, the cathode of the TVS tube DW1 is also connected between the resistor R9 and the resistor R15, the anode of the TVS tube DW1 is grounded, and the capacitor C16 is connected with the resistor R15 in parallel.
Preferably, the current analog input module includes a current analog input interface J12 and a current analog input circuit, and the current analog input circuit is specifically connected as follows: the Ain1 node of the current analog input circuit is connected with the 2 interface of the current analog input interface J12; the Ach1 node of the current analog input circuit is connected with the 12 interface of the analog switch switching chip U8.
Preferably, the switching value input module includes a switching value input circuit and a switching value input interface J6, and is specifically connected as follows: the KEY1_ INPUT node of the switching value INPUT circuit is connected with the 2 interface of the switching value INPUT interface J6; the KEY1IN _ DETECT node of the switching value input circuit is connected with a 14 pin of a single chip microcomputer U6, and the single chip microcomputer is STM32F030C8T6 in model number.
Preferably, the switching value input circuit is connected as follows: one end of the resistor R13 is connected with a +3.3V power supply, the other end of the resistor R13 is connected with the capacitor C20 and then grounded, the other end of the resistor R13 is also connected with the anode of a light-emitting diode of the optocoupler U3, and the cathode of the light-emitting diode of the optocoupler U3 is connected with a diode D6 and then connected with a TVS tube DW7 and then grounded; one end of the resistor R14 is connected with a +3.3V power supply, the other end of the resistor R14 is connected with the collector of the phototriode of the optocoupler U3, and the emitter of the phototriode of the optocoupler U3 is grounded.
Preferably, the switching value output module includes a switching value output circuit and a switching value output interface J3, and is specifically connected as follows: the KEY1OUT EN node of the switching value output circuit is connected with a 25 pin of the single chip microcomputer U6, the KEY1OUT +/-node of the switching value output circuit is connected with a1 interface of the switching value output interface J3, and the KEY1OUT-/+ node of the switching value output circuit is connected with a2 interface of the switching value output interface J3.
Preferably, the switching value output circuit is connected as follows: one end of a coil of the relay K1 is connected with a 12V power supply, the other end of the coil is connected with a collector of a triode Q1, a diode D8 is connected between the two ends of the coil, a base electrode of the triode Q1 is connected with a 25 pin of a singlechip U6 after being connected with a resistor R33, an emitting electrode of the triode Q1 is grounded, and a resistor R37 is connected between the base electrode and the emitting electrode of the triode Q1.
Preferably, the expansion board further comprises a 4G module and a voice module.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the current analog input module and the voltage analog input module in the utility model are respectively 3 paths of 5-20mA current type analog input and 3 paths of 0-10V voltage type analog input, and can realize data input of analog quantities such as water pressure, liquid level and the like; the switching value input module is used for 6-path switching value input, adopts photoelectric isolation, has small interference and can realize information acquisition of input switching values of a door magnet, a fireproof door and the like; the switching value output module is 4-path passive switching value output, adopts relay isolation, has good electric insulation capacity and anti-interference capacity, can enlarge the contact capacity of the controller, ensures that the whole device has high safety, high expansibility and high compatibility, and can realize the acquisition of various analog values and the input and output control of the switching value.
2. The utility model discloses well expansion board and system motherboard connect through reserving expansion interface, provide the power and carry out data communication, can select whether need the extension according to actual conditions, then connect the expansion board to the system motherboard when needing, and the flexibility is high, easy operation.
3. The utility model discloses well extension board part adopts single chip microcomputer control, and the overall arrangement is succinct compact, is convenient for install and extension.
4. The utility model discloses in be provided with 4G module and voice module, can realize 4G wireless transmission and speech output, data acquisition sends in real time to monitoring platform, and is nimble convenient, user's accessible voice prompt operation, simple and practical.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a circuit diagram of the reserved expansion interface module of the present invention;
FIG. 3 is a system board wiring diagram of the present invention;
fig. 4 is a circuit diagram of the voltage analog input module of the present invention;
fig. 5 is a circuit diagram of the current analog input module of the present invention;
fig. 6 is a circuit diagram of the switching value input module of the present invention;
fig. 7 is a circuit diagram of the switching value output module of the present invention;
fig. 8 is a terminal connection diagram of a 4G module of the present invention;
fig. 9 is a circuit diagram of the voice module of the present invention;
fig. 10 is a power circuit diagram of the 4G module and the voice module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The utility model discloses a user information transmission device that preferred embodiment provided, as shown in FIG. 1, include:
the system mainboard is reserved with an expansion interface module and an expansion board;
compared with the traditional user information transmission device, the system mainboard of the device is provided with a reserved expansion interface module, functions such as 4G wireless transmission, analog quantity input, switching value output, voice output and the like are added, a user can select whether to perform function expansion according to actual conditions, and the reserved expansion interface module is connected with the expansion board through a flat cable to perform power supply and data communication.
The reserved expansion interface module comprises an RS232 driving circuit and a reserved expansion interface circuit, as shown in fig. 2 and 3, the RS232 driving circuit is connected with the following circuits: the type of the driving chip U13 is MAX3232CSE, and capacitors C48 and C50 are sequentially connected between pins 1 and 3 and pins 4 and 5 of the driving chip U13 respectively; pins 11 and 12 of the driving chip U13 are sequentially connected with pins 80 and 83 of a system mainboard respectively, and the model of the system mainboard is STM32F 10X; a capacitor C49 is connected between pins 2 and 16 of the driving chip U13, and the pin 16 is grounded after being connected with a capacitor C47; the pin 5 of the driving chip U13 is grounded, and the pin 6 is grounded after being connected with the capacitor C51; pin 13 of the driving chip U13 is connected to the cathode of the TVS tube DV6, the anode of the TVS tube DV6 is connected to the anode of the TVS tube DV7, and the cathode of the TVS tube DV7 is connected to pin 14 of the driving chip U13; an 8 pin of the driving chip U13 is connected with a cathode of the TVS tube DV10, an anode of the TVS tube DV10 is connected with an anode of the TVS tube DV9, a cathode of the TVS tube DV9 is connected with a 7 pin of the driving chip U13, and the TVS tubes DV6, DV7, DV9 and DV10 are all P6KE15CA in model. Whether the expansion is needed or not can be selected according to actual conditions, and the expansion board is connected with the system mainboard when needed, so that the flexibility is high, and the operation is simple.
The expansion board comprises a single chip microcomputer and is controlled by the single chip microcomputer, so that the layout is simple and compact, and the installation and expansion are convenient; the analog quantity acquisition module and the switching value module are connected with the single chip microcomputer.
The analog quantity acquisition module comprises a voltage analog quantity input module, a current analog quantity input module and an analog quantity switch switching chip, and the analog quantity switch switching chip is CD4052B in model number;
the switching value module comprises a switching value input module and a switching value output module.
The circuit connection of the reserved expansion interface circuit is as follows: a 5 interface of the reserved expansion interface J10 is connected with a GPRS232_ TX _ G node of the RS232 driving circuit, and a 4 interface of the reserved expansion interface J10 is connected with a GPRS232_ RX _ G node of the RS232 driving circuit; the interface 1 of the reserved expansion interface J10 is connected with a contact switch of a Relay K2 and then connected with a 12V power supply, one end of a coil of a Relay K2 is connected with the 12V power supply, the other end of the coil is connected with a collector of a triode V5, a diode D7 is connected between two ends of the coil, a base of a triode V5 is connected with a pin 35 of the system mainboard after being connected with a resistor R66, an emitter of a triode V5 is grounded, a resistor R67 is connected between the base and the emitter of the triode V5, the model of the triode V5 is 8050, the model of the Relay K2 is Relay-SPST, the model of the diode D7 is 1N4004, the model of the reserved expansion interface J10 is CON5, the resistance value of the resistor R66 is 1K ohm, and the resistance value of.
As shown in fig. 4, the voltage analog input module is 3 paths of 0-10V voltage type analog inputs, and the terminals on the expansion board card are GND, V1, V2, and V3 from left to right in sequence, and the connection relationship of the paths of circuits is the same. The voltage analog input module comprises a voltage analog input interface J13 and a voltage analog input circuit, and the voltage analog input interface is specifically connected as follows: the Vin1 node of the voltage analog input circuit is connected with the 2 interface of the voltage analog input interface J13; the Vch1 node of the voltage analog input circuit is connected with the 1 interface of the analog switch switching chip U8, and the model of the voltage analog input interface J13 is Header4X 1. Can realize the input of multichannel voltage analog, make this device possess voltage analog and gather the function, can satisfy the collection demand in the practical application.
The voltage analog input circuit is connected with the following circuits: one end of the resistor R9 is connected with the resistor R15 and then grounded, the other end of the resistor R9 is connected with the resistor R19 and then grounded, the cathode of the TVS tube DW1 is further connected between the resistor R9 and the resistor R15, the anode of the TVS tube DW1 is grounded, the capacitor C16 is connected with the resistor R15 in parallel, the resistance of the resistor R9 is 200K ohms, the resistance of the resistor R19 is 150 ohms, the resistance of the resistor R15 is 100K ohms, and the model of the TVS tube DW1 is P6KE6.8A.
As shown in fig. 5, the current analog input module is 3 paths of 5-20mA current type analog inputs, the connection relationship of the circuits is the same, the terminals on the expansion board card are GND, a1, a2 and A3 from left to right, and the current analog input module includes a current analog input interface J12, and the current analog input circuit is specifically connected as follows: the Ain1 node of the current analog input circuit is connected with the 2 interface of the current analog input interface J12; an Ach1 node of the current analog input circuit is connected with a 12 interface of an analog switch switching chip U8, and a model of a current analog input interface J12 is Header4X 1. The device can realize the input of multiple paths of current analog quantities, has the current analog quantity acquisition function, and can meet the acquisition requirements in practical application.
The circuit connection of the current analog input circuit is the same as that of the voltage analog input circuit, but the resistance values of the resistors are different, and the circuit connection is as follows: one end of the resistor R10 is connected with the resistor R16 and then grounded, the other end of the resistor R10 is connected with the resistor R20 and then grounded, the cathode of the TVS tube DW4 is further connected between the resistor R10 and the resistor R16, the anode of the TVS tube DW4 is grounded, the capacitor C17 is connected with the resistor R16 in parallel, the resistance of the resistor R10 is 100K ohms, the resistance of the resistor R20 is 150 ohms, the resistance of the resistor R16 is 100K ohms, and the model of the TVS tube DW4 is P6KE6.8A.
As shown in fig. 6, the switching value input module is configured to input 6 switching values, and the connection relationship of each circuit is the same, and the terminals on the expansion board card are sequentially UGND, K1, K2, and K3 from left to right, and sequentially UGND, K4, K5, and K6 from left to right, and includes a switching value input circuit and a switching value input interface J6, which are specifically connected as follows: the KEY1_ INPUT node of the switching value INPUT circuit is connected with the 2 interface of the switching value INPUT interface J6; the KEY1IN _ DETECT node of the switching value input circuit is connected with a 14 pin of a single chip microcomputer U6, the model of the single chip microcomputer is STM32F030C8T6, and the model of a switching value input interface J6 is Header4X 1. Due to the adoption of photoelectric isolation, the interference is small, and the information acquisition of input switching values of a door magnet, a fireproof door and the like can be realized.
The switching value input circuit is connected with the following circuits: one end of the resistor R13 is connected with a +3.3V power supply, the other end of the resistor R13 is connected with the capacitor C20 and then grounded, the other end of the resistor R13 is also connected with the anode of a light-emitting diode of the optocoupler U3, and the cathode of the light-emitting diode of the optocoupler U3 is connected with a diode D6 and then connected with a TVS tube DW7 and then grounded; one end of the resistor R14 is connected with a +3.3V power supply, the other end of the resistor R14 is connected with a phototriode collector of the optocoupler U3, a phototriode emitter of the optocoupler U3 is grounded, the resistance values of the resistors R13 and R14 are both 4.7K ohms, the model of the optocoupler U3 is PC817, the model of the diode D6 is 1N4007, and the model of the TVS tube DW7 is P6KE15 CA.
As shown in fig. 7, the switching value output module is 4 paths of passive switching value output, the connection relationship of the circuits is the same, terminals on the expansion board card are sequentially K4+, K4-, K3+, K3-, K2+, K2-, K1+, and K1-from left to right, and include a switching value output circuit and a switching value output interface J3, which are specifically connected as follows: the KEY1OUTEN node of the switching value output circuit is connected with a 25 pin of the single chip microcomputer U6, the KEY1OUT +/-node of the switching value output circuit is connected with a1 interface of the switching value output interface J3, the KEY1OUT-/+ node of the switching value output circuit is connected with a2 interface of the switching value output interface J3, and the switching value output interface J3 is of a Header4X1 type. Because the relay is adopted for isolation, the device has good electric insulation capability and anti-interference capability, and can enlarge the contact capacity of the controller, so that the whole device has high safety, high expansibility and high compatibility, and can realize the input and output control of various analog quantity acquisition and switching values.
The switching value output circuit is connected with the following circuits: one end of a coil of the relay K1 is connected with a 12V power supply, the other end of the coil is connected with a collector of a triode Q1, a diode D8 is connected between the two ends of the coil, a base of the triode Q1 is connected with a 25 pin of a singlechip U6 after being connected with a resistor R33, an emitter of the triode Q1 is grounded, a resistor R37 is connected between the base of the triode Q1 and the emitter, the type of the triode Q1 is 8050, the type of the diode D8 is 1N4007, and the resistance values of the resistors R33 and R37 are both 10K ohms.
The expansion board further comprises a 4G module and a voice module.
In the process of practical application, the main technical indexes of the device are as follows:
power supply: DC 12V
Communication interface: UART serial port (3.3V TTL)
The use environment is as follows: the temperature is between-10 and 50 ℃, and the humidity is less than or equal to 95 percent
The execution standard is as follows: GB26875-2011
Analog input interface: 3 current (5-20mA) and 3 voltage (0-10V)
Switching value input interface: 6-way passive switching value input
Switching value output interface: 4-way passive switching value output
A voice output interface: 2W/4 omega or 1W/8 omega passive loudspeaker
In the process of practical application, the initial use system of the device operates as follows:
firstly, system preparation is carried out, and in order to ensure safety, after the whole device is powered off, a system mainboard and an expansion board are connected by a flat cable through a reserved expansion interface module.
Secondly, system configuration is carried out, a main power switch or a standby power switch is turned on, after system initialization is completed, basic information such as a source address, a target address and a server port is configured, then setting- > network setting- > wireless network is sequentially carried out, and the following operations are carried out: wireless enabled, baud rate 115200.
And thirdly, checking the system state, completing the configuration of the monitoring center, starting the wireless module, waiting for the CA9002 interface to display that the network connection state is normal, and enabling all indicator lamps of the expansion board to be flash, so that the wireless network connection is successful.
In the process of practical application, the general fault handling of the device is as follows:
when the expansion board indicator lamps are not all on after the startup, the reason and the solution are as follows:
1. the expansion board program is not burned, and the expansion board program needs to be burned again;
2. and if the power supply is abnormal, a new pcb needs to be replaced.
When the bottom board indicator light of the expansion board flashes slowly after the computer is started, the reason and the solution are as follows:
1. if the SIM card is not installed, the SIM card needs to be installed;
2. if the network configuration of the monitoring center is wrong, the parameters of the monitoring center need to be reconfigured;
3. if the wireless module is not started, the wireless module needs to enter a wireless network to set and start the wireless module;
4. when the baud rate is wrong, the wireless network needs to enter to set the configuration baud rate to be 115200.
When the device shows a network failure, the reason and solution are as follows:
1. the expansion board is not connected, and the flat cable is required to be connected with the expansion board;
2. if the network configuration is wrong, the parameters of the monitoring center and the wireless network setting need to be reconfigured.
In the process of actual use of the device, the following matters are taken:
1. when the user information transmission device is connected with the expansion board, the connection is required to be shut down, and the live operation is forbidden.
2. The 4G platelet and the SIM card must be plugged and unplugged by power-off operation.
3. The machine can ensure that the machine is in a monitoring state for 24 hours, ensure the normal alternating current power supply, once the alternating current is powered off, the standby power can provide the support for 8 hours, and the standby power can be automatically charged after the alternating current is powered on.
4. The environment is kept dry and clean at ordinary times, and the temperature is controlled within the range of 0-40 ℃.
5. The staff needs to check whether the system is working normally or not regularly to prevent problems.
Example 2
On the basis of the first embodiment, the expansion board further comprises a 4G module and a voice module.
The terminal of the 4G module is connected with the single chip microcomputer as shown in fig. 8, an interface 1 of a terminal J8 of the 4G module is connected with a +4V power supply, interfaces 2 and 9 are grounded, interfaces 3, 4, 5, 6 and 7 are respectively and sequentially connected with pins 43, 38, 42, 36 and 39 of a U6 of the single chip microcomputer, and a terminal J8 of the 4G module is a Header 5X 2.
The voice module comprises a voice module terminal and a voice playing triggering IO, the connection relation is as shown in fig. 9, a 6 interface of the voice module terminal U12 is connected with a +4V power supply, a 16 interface is grounded, a9 interface is connected with a 35 interface of a singlechip U6d, 15, 14, 13, 12, 11 and 10 interfaces are respectively connected with 13, 14, 15, 12, 1 and 5 interfaces of the U9 and the U10 of the voice playing triggering IO in sequence, and the model of the voice playing triggering IO is CD 4051B.
The power supply circuit of the 4G module and the voice module is shown in fig. 10.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A user information transmission apparatus, comprising:
the system mainboard is reserved with an expansion interface module and an expansion board;
the system mainboard is connected with the expansion board through a reserved expansion interface module;
the reserved expansion interface module comprises an RS232 driving circuit and a reserved expansion interface circuit;
the expansion board comprises a single chip microcomputer, an analog quantity acquisition module and a switching value module, wherein the analog quantity acquisition module and the switching value module are connected with the single chip microcomputer;
the analog quantity acquisition module comprises a voltage analog quantity input module, a current analog quantity input module and an analog quantity switch switching chip;
the switching value module comprises a switching value input module and a switching value output module.
2. The apparatus for transmitting user information according to claim 1, wherein: the circuit connection of the reserved expansion interface circuit is as follows: a 5 interface of the reserved expansion interface J10 is connected with a GPRS232_ TX _ G node of the RS232 driving circuit, and a 4 interface of the reserved expansion interface J10 is connected with a GPRS232_ RX _ G node of the RS232 driving circuit; the 1 interface of reserving expansion interface J10 inserts 12V power behind the contact switch of relay K2, and 12V power is connected to relay K2's coil one end, and the collecting electrode of triode V5 is connected to the coil other end, is connected with diode D7 between the coil both ends, and the base of triode V5 is connected behind resistance R66 the 35 pin of system mainboard, triode V5's projecting pole ground connection, has connect resistance R67 between triode V5's base and the projecting pole.
3. The apparatus for transmitting user information according to claim 1, wherein: the voltage analog input module comprises a voltage analog input interface J13 and a voltage analog input circuit, and is specifically connected as follows: the Vin1 node of the voltage analog input circuit is connected with the 2 interface of the voltage analog input interface J13; the Vch1 node of the voltage analog input circuit is connected with the 1 interface of the analog switch switching chip U8.
4. A user information transmission apparatus according to claim 3, wherein: the voltage analog input circuit is connected with the following circuits: one end of the resistor R9 is connected with the resistor R15 and then grounded, the other end of the resistor R9 is connected with the resistor R19 and then grounded, the cathode of the TVS tube DW1 is also connected between the resistor R9 and the resistor R15, the anode of the TVS tube DW1 is grounded, and the capacitor C16 is connected with the resistor R15 in parallel.
5. The apparatus for transmitting user information according to claim 1, wherein: the current analog input module comprises a current analog input interface J12 and a current analog input circuit, and is specifically connected as follows: the Ain1 node of the current analog input circuit is connected with the 2 interface of the current analog input interface J12; the Ach1 node of the current analog input circuit is connected with the 12 interface of the analog switch switching chip U8.
6. The apparatus for transmitting user information according to claim 1, wherein: the switching value input module comprises a switching value input circuit and a switching value input interface J6, and is specifically connected as follows: the KEY1_ INPUT node of the switching value INPUT circuit is connected with the 2 interface of the switching value INPUT interface J6; the KEY1IN _ DETECT node of the switching value input circuit is connected with a 14 pin of a single chip microcomputer U6, and the single chip microcomputer is STM32F030C8T6 in model number.
7. The apparatus for transmitting user information according to claim 6, wherein: the switching value input circuit is connected with the following circuits: one end of the resistor R13 is connected with a +3.3V power supply, the other end of the resistor R13 is connected with the capacitor C20 and then grounded, the other end of the resistor R13 is also connected with the anode of a light-emitting diode of the optocoupler U3, and the cathode of the light-emitting diode of the optocoupler U3 is connected with a diode D6 and then connected with a TVS tube DW7 and then grounded; one end of the resistor R14 is connected with a +3.3V power supply, the other end of the resistor R14 is connected with the collector of the phototriode of the optocoupler U3, and the emitter of the phototriode of the optocoupler U3 is grounded.
8. The apparatus for transmitting user information according to claim 1, wherein: the switching value output module comprises a switching value output circuit and a switching value output interface J3, and is specifically connected as follows: the KEY1OUTEN node of the switching value output circuit is connected with a 25 pin of the single chip microcomputer U6, the KEY1OUT +/-node of the switching value output circuit is connected with a1 interface of the switching value output interface J3, and the KEY1OUT-/+ node of the switching value output circuit is connected with a2 interface of the switching value output interface J3.
9. The apparatus for transmitting user information according to claim 8, wherein: the switching value output circuit is connected with the following circuits: one end of a coil of the relay K1 is connected with a 12V power supply, the other end of the coil is connected with a collector of a triode Q1, a diode D8 is connected between the two ends of the coil, a base electrode of the triode Q1 is connected with a 25 pin of a singlechip U6 after being connected with a resistor R33, an emitting electrode of the triode Q1 is grounded, and a resistor R37 is connected between the base electrode and the emitting electrode of the triode Q1.
10. The apparatus for transmitting user information according to claim 1, wherein: the expansion board further comprises a 4G module and a voice module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864782.1U CN210041827U (en) | 2019-06-11 | 2019-06-11 | User information transmission device |
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| CN115457721A (en) * | 2022-08-16 | 2022-12-09 | 江苏泽汇泓智能科技有限公司 | Fire-fighting signal acquisition alarm device and fire-fighting alarm system |
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