Building sump DAU centralized controller

Abstract

The utility model relates to a building sump DAU centralized controller, which is characterized in that an analog quantity input detection module and a digital quantity input detection module are respectively connected with the signal input end of a main controller, and the signal output end of the main controller is connected with a normally open relay module and a normally closed relay module through a first driving module and a second driving module; the communication module is in serial bidirectional communication connection with the main controller, the reference voltage module is connected with the main controller and provides 2.495 V reference voltage, and the power supply circuit module provides DC3.3 V-5V working voltage for the main controller, the signal input circuit, the communication module and the reference voltage module. The building sump DAU centralized controller can realize efficient receiving and processing of multi-type multi-path control signals and a centralized control function of multiple relays, and has the advantages of high signal transmission efficiency, strong anti-interference capability, stable operation, low power consumption and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of control devices, and particularly relates to a building sump DAU centralized controller. Background Technique

[0002] At present, the control devices applied to building sumps target a single type of signal. Generally, a single controller can only receive and process one of analog signals or digital signals. At the same time, due to the large number of target controlled devices and execution targets in building sumps, the number of relays that existing single controllers can control is generally limited. To achieve full control, multiple controllers are required on-site. This not only makes equipment layout, wiring installation, and on-site operation cumbersome, but also cannot achieve the reception and processing of multiple signal types by a single controller and the centralized control of multiple relays. If multiple controllers are installed centrally, there are also problems such as low signal transmission efficiency, high mutual interference, poor operation stability, and high power consumption. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the single type of controlled signal of the existing control devices applied to building sumps, the limited number of execution relays that can be controlled, as well as the deficiencies in signal transmission efficiency, anti-interference ability, operation stability, and power consumption. A building sump DAU centralized controller is provided, which can achieve the efficient reception and processing of multiple types of multi-channel control signals and the centralized control function of multiple relays, and at the same time has the advantages of fast signal transmission efficiency, strong anti-interference ability, stable operation, and low power consumption.

[0004] The building sump DAU centralized controller includes a main controller, a signal input circuit, a driving circuit, an execution circuit, a communication module, a reference voltage module, and a power supply circuit module integrated on a circuit board. Among them, the signal input circuit includes an analog input detection module for receiving 4-20mA analog signals and a digital input detection module for receiving digital signals. The driving circuit includes a first driving module and a second driving module. The execution circuit includes a normally open relay module and a normally closed relay module. The analog input detection module and the digital input detection module are respectively connected to the signal input end of the main controller. The signal output end of the main controller is connected to the normally open relay module and the normally closed relay module through the first driving module and the second driving module. The communication module is serially and bidirectionally communicatively connected to the main controller. The reference voltage module is connected to the main controller and provides a 2.495V reference voltage. The power supply circuit module supplies a DC 3.3V-5V working voltage to the main controller, the signal input circuit, the communication module, and the reference voltage module.

[0005] Further, the main controller adopts an STC8H3K64S4-45I-LQFP32 single-chip microcomputer.

[0006] Further, the analog input detection module uses the TP5551-TR operational amplifier. The input end AO1 of the analog input detection module is connected to receive a 4-20 mA analog quantity, and the output end of the analog input detection module is connected to the ADC2 pin of the main controller; the digital input detection module uses the PS250 optocoupler, and the digital input detection module is respectively connected to the IN1-IN7 pins of the main controller.

[0007] Further, the first driving module and the second driving module respectively use the ULN2002M / TR and ULN2001M / TR driving chips, and the input ends of the first driving module and the second driving module are connected to the B1-B8 pins of the main controller.

[0008] Further, the normally open relay module and the normally closed relay module respectively use a 4-pin normally open relay module and a 5-pin normally closed relay module, and the normally open relay module and the normally closed relay module are connected to the first driving module and the second driving module through pins O1-O8.

[0009] Further, the communication module uses the SP3485E communication chip, and the communication module is connected to the TXD and RXD pins of the main controller through a 5.0V TVS protection diode.

[0010] Further, the reference voltage module uses the TL431 chip.

[0011] Further, the power supply circuit module includes the XL1509-5.0E1 chip, the AMS1117-3.3 chip, the DB207S rectifier bridge chip and filter capacitors.

[0012] A building sump DAU centralized controller of the present utility model overcomes the deficiencies in the existing control device applied to the building sump in terms of single type of controlled signal, limited number of executable relays that can be controlled, as well as signal transmission efficiency, anti-interference ability, operation stability and power consumption. It can realize the efficient reception and processing of multi-type and multi-channel control signals and the centralized control function of multiple relays, and at the same time has the advantages of fast signal transmission efficiency, strong anti-interference ability, stable operation and low power consumption. Brief Description of the Drawings

[0013] The following further describes a building sump DAU centralized controller of the present utility model with reference to the drawings:

[0014] Figure 1 is the logic structure and connection principle block diagram of the building sump DAU centralized controller;

[0015] Figure 2 is the circuit diagram of the main controller of the building sump DAU centralized controller;

[0016] Figure 3It is the circuit diagram of the analog input detection module of the sump DAU controller in this building;

[0017] Figure 4 It is the circuit diagram of the digital input detection module of the sump DAU controller in this building;

[0018] Figure 5 It is the circuit diagram of the first drive module of the sump DAU controller in this building;

[0019] Figure 6 It is the circuit diagram of the second drive module of the sump DAU controller in this building;

[0020] Figure 7 It is the circuit diagram of the normally open relay module and the normally closed relay module of the sump DAU controller in this building;

[0021] Figure 8 It is the circuit diagram of the communication module of the sump DAU controller in this building;

[0022] Figure 9 It is the circuit diagram of the reference voltage module of the sump DAU controller in this building.

[0023] In the figure:

[0024] 1 - Main controller, 2 - Signal input circuit, 3 - Drive circuit, 4 - Execution circuit, 5 - Communication module, 6 - Reference voltage module, 7 - Power supply circuit module;

[0025] 21 - Analog input detection module, 22 - Digital input detection module, 31 - First drive module, 32 - Second drive module, 41 - Normally open relay module, 42 - Normally closed relay module. Detailed implementation

[0026] In the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc. are all based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0028] The following uses specific embodiments to further describe the technical solution of the present utility model, but the protection scope of the present utility model is not limited to the following embodiments.

[0029] Embodiment 1: As Figures 1 to 9 shown, the building sump DAU controller includes a main controller 1, a signal input circuit 2, a drive circuit 3, an execution circuit 4, a communication module 5, a reference voltage module 6, and a power circuit module 7 integrated on a circuit board. Among them, the signal input circuit 2 includes an analog input detection module 21 for receiving 4 - 20 mA analog signals and a digital input detection module 22 for receiving digital signals. The drive circuit 3 includes a first drive module 31 and a second drive module 32. The execution circuit 4 includes a normally open relay module 41 and a normally closed relay module 42. The analog input detection module 21 and the digital input detection module 22 are respectively connected to the signal input end of the main controller 1. The signal output end of the main controller 1 is connected to the normally open relay module 41 and the normally closed relay module 42 through the first drive module 31 and the second drive module 32. The communication module 5 is serially bidirectionally communicatively connected to the main controller 1. The reference voltage module 6 is connected to the main controller and provides a 2.495 V reference voltage. The power circuit module 7 supplies a DC 3.3 V - 5 V operating voltage to the main controller 1, the signal input circuit 2, the communication module 5, and the reference voltage module 6.

[0030] Embodiment 2: As Figure 2 shown, the main controller 1 of the building sump DAU controller uses an STC8H3K64S4 - 45I - LQFP32 single - chip microcomputer. The main control single - chip microcomputer aims at anti - interference, low price, high speed, and low power consumption, and selects the STC8H series single - chip microcomputer STC8H3K64S4 - 45I - LQFP32, whose operating voltage is 1.9 V - 5.5 V and operating temperature is - 40 °C - 85 °C. It has 4 high - speed serial ports, 5 16 - bit timers, 8 channels / 2 groups of PWM, and an ultra - high - speed ADC, supporting 12 - bit high - precision 12 - channel analog - to - digital conversion. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0031] Embodiment 3: As Figure 3 、 4As shown in the figure, the analog input detection module 21 of the sump DAU controller of this building uses the TP5551-TR operational amplifier. The input end AO1 of the analog input detection module 21 is connected to receive a 4-20 mA analog quantity, and the output end of the analog input detection module 21 is connected to the ADC2 pin of the main controller 1; the digital input detection module 22 uses the PS250 optocoupler, and the digital input detection module 22 is respectively connected to the IN1-IN7 pins of the main controller 1. The digital input detection module performs switch quantity detection through the PS250 optocoupler, and the signal is unidirectional transmission. The input end and the output end are completely electrically isolated. The output signal has no influence on the input end, and it has the advantages of strong anti-interference ability, stable operation, no contacts, high transmission efficiency, long service life, etc. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0032] Embodiment 4: As Figure 5 shown in the figure, the first driving module 31 and the second driving module 32 of the sump DAU controller of this building respectively use the ULN2002M / TR and ULN2001M / TR driving chips, and the input ends of the first driving module 31 and the second driving module 32 are connected to the B1-B8 pins of the main controller 1. Among them, ULN2002M / TR is a single-chip integrated 5-channel high-voltage, Darlington tube array relay driving chip that can drive 5 relays, and ULN2001M / TR is a 3-channel relay driving chip that can drive 3 relays. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0033] Embodiment 5: As Figure 6 shown in the figure, the normally open relay module 41 and the normally closed relay module 42 of the sump DAU controller of this building respectively use a 4-pin normally open relay module and a 5-pin normally closed relay module. The normally open relay module 41 and the normally closed relay module 42 are connected to the first driving module 31 and the second driving module 32 through the pins O1-O8. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0034] Embodiment 6: As Figure 7 shown in the figure, the communication module 5 of the sump DAU controller of this building uses the SP3485E communication chip. The communication module 5 is connected to the TXD and RXD pins of the main controller 1 through a 5.0V TVS protection diode. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0035] Embodiment 7: As Figure 8 shown in the figure, the reference voltage module 6 of the sump DAU controller of this building uses the TL431 chip. The TL431 chip is a three-terminal shunt regulator with good thermal stability, and it generates a reference voltage of 2.495V in this circuit. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0036] Embodiment 8: As Figure 9 shown, the power supply circuit module 7 of the building sump DAU controller includes an XL1509-5.0E1 chip, an AMS1117-3.3 chip, a DB207S rectifier bridge chip, and filter capacitors. Among them, the XL1509-5.0E1 is used to output a 5V power supply, and the AMS1117-3.3 is used to output and generate a 3.3V power supply. This module has the advantages of high-efficiency conversion characteristics, strong DC output ability, low-power design, high transient current tolerance, etc., and can provide a stable current output for the device, ensuring the normal operation and efficient operation of the device. The remaining structures and components are as described in Embodiment 1 and will not be repeated.

[0037] The building sump DAU controller can efficiently receive and process multi-type and multi-channel control signals and perform centralized control functions on multiple relays. At the same time, it has the advantages of fast signal transmission efficiency, strong anti-interference ability, stable operation, and low power consumption.

[0038] The above description shows the main features, basic principles, and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments or examples, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, the above embodiments or examples should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0039] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A building sump DAU centralized controller, characterized by: The invention comprises a main controller (1) integrated on a circuit board, a signal input circuit (2), a drive circuit (3), an execution circuit (4), a communication module (5), a reference voltage module (6), and a power supply circuit module (7), wherein: The signal input circuit (2) comprises an analog quantity input detection module (21) for receiving a 4-20 mA analog quantity signal and a digital quantity input detection module (22) for receiving a switch quantity signal; the drive circuit (3) comprises a first drive module (31) and a second drive module (32); and the execution circuit (4) comprises a normally open relay module (41) and a normally closed relay module (42); The analog quantity input detection module (21) and the digital quantity input detection module (22) are respectively connected to the signal input end of the main controller (1); the signal output end of the main controller (1) is connected to the normally open relay module (41) and the normally closed relay module (42) via the first drive module (31) and the second drive module (32); the communication module (5) is connected to the main controller (1) in a serial bidirectional communication manner; the reference voltage module (6) is connected to the main controller and provides a 2.495V reference voltage; and the power supply circuit module (7) provides a DC 3.3V-5V working voltage to the main controller (1), the signal input circuit (2), the communication module (5), and the reference voltage module (6).

2. The building sump DAU centralized controller according to claim 1 is characterized by: The main controller (1) adopts a STC8H3K64S4-45I-LQFP32 single chip microcomputer.

3. The building sump DAU centralized controller according to claim 2 is characterized by: The analog quantity input detection module (21) adopts a TP5551-TR operational amplifier, the input terminal AO1 of the analog quantity input detection module (21) is connected to receive a 4-20mA analog quantity, and the output terminal of the analog quantity input detection module (21) is connected to the ADC2 pin of the main controller (1); the digital quantity input detection module (22) adopts a PS250 optical coupler, and the digital quantity input detection module (22) is respectively connected to the IN1-IN7 pins of the main controller (1).

4. The building sump DAU centralized controller according to claim 3 is characterized by: The first drive module (31) and the second drive module (32) respectively use ULN2002M / TR and ULN2001M / TR drive chips, and the input ends of the first drive module (31) and the second drive module (32) are connected to the B1-B8 pins of the main controller (1).

5. The building sump DAU centralized controller according to claim 4 is characterized by: The normally open relay module (41) and the normally closed relay module (42) are respectively a 4-pin normally open relay module and a 5-pin normally closed relay module. The normally open relay module (41) and the normally closed relay module (42) are connected to the first drive module (31) and the second drive module (32) via pins O1-O8.

6. The building sump DAU centralized controller according to claim 5 is characterized by: The communication module (5) adopts an SP3485E communication chip, and the communication module (5) is connected to the TXD and RXD pins of the main controller (1) via a 5.0VTVS protection diode.

7. The building sump DAU centralized controller according to claim 6 is characterized by: The reference voltage module (6) adopts a TL431 chip.

8. The building sump DAU centralized controller according to claim 7 is characterized by: The power circuit module (7) comprises an XL1509-5.0E1 chip, an AMS1117-3.3 chip, a DB207S rectifier bridge chip and a filter capacitor.

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