CN211239435U - Power control terminal - Google Patents
Power control terminal Download PDFInfo
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- CN211239435U CN211239435U CN201921848429.0U CN201921848429U CN211239435U CN 211239435 U CN211239435 U CN 211239435U CN 201921848429 U CN201921848429 U CN 201921848429U CN 211239435 U CN211239435 U CN 211239435U
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Abstract
The utility model discloses a power control terminal, which comprises a shell and a main control circuit board, and further comprises a switch power circuit board, a communication control circuit board, a charging and power supply switching circuit board and two groups of storage batteries, wherein the switch power circuit board, the communication control circuit board and the charging and power supply switching circuit board are all connected with the main control circuit board, and the two groups of storage batteries are connected with the charging and power supply switching circuit board; the shell comprises a front surface and a back surface, wherein an Ethernet interface and five 8-bit wiring terminals, namely a terminal wiring terminal, a switching power supply 12V wiring terminal, a switching power supply 24V wiring terminal, a switching power supply 5V wiring terminal and an environment monitoring wiring terminal, are arranged on the front surface; the front surface is also provided with a liquid crystal screen, five functional keys and a 220V output socket; the back is provided with four terminals, power input interface, three power output interface and two fan interfaces, provides controllable switching power supply, linear power supply and battery power supply, and the integrated level is high, and the interface is pluralism.
Description
Technical Field
The utility model relates to a controllable power field, more specifically relates to a power control terminal.
Background
At present, a high-precision sensor basically uses a common power supply for power supply, so that the precision of the sensor is reduced, and faults of the high-precision sensor and an analog quantity acquisition interface are caused. In order to ensure the accuracy of the analog quantity, too much lightning protection and pulse resistance power supply protection equipment is generally not added at the AD end of the collector, because the protection components can cause the deformation of the analog signal.
Common power supplies are generally classified into switching power supplies and linear power supplies. The linear power supply achieves the purpose of adjusting output by adjusting linear impedance by utilizing a linear working area of a power semiconductor device; the switching power supply utilizes the saturation region of the power semiconductor device to achieve the purpose of adjusting output by adjusting the turn-on time or frequency. The switch power supply is used for supplying power, and has the advantages of high efficiency (more than 75%), small volume, light weight, low price, wide power input range (generally 160V-270V), and the like. However, the switching power supply generates high-frequency voltage in the inverter circuit, so that a power supply interference signal is large, and power frequency interference and industrial-mode interference are easy to enter in series. The ripple noise of the power supply is large, and a pure power supply environment cannot be provided for the analog quantity sensor. Meanwhile, the switching power supply is also easily influenced by lightning strike to cause power supply failure of the power supply. The linear power supply is used for supplying power, the electromagnetic interference is small, the ripple factor is low, the voltage stabilizing rate is high, the design is simple, and the maintenance is simple. But the volume is large, the efficiency is low (more than 35%), the voltage input range is narrow, the heating value is large, and the service life is not long as that of a switching power supply. There is no way to remotely monitor and manage the power supply of the equipment which needs to operate for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming above-mentioned prior art's at least one kind defect, provide a power control terminal, integrated switching power supply and multiple switching power supply, thereby rationally dispose switching power supply and linear power supply and avoided both shortcomings on using.
The technical proposal adopted by the utility model is that,
a power supply control terminal comprises a shell, a main control circuit board, a switch power supply circuit board, a communication control circuit board, a charging and power supply switching circuit board and two groups of storage batteries, wherein the switch power supply circuit board, the communication control circuit board and the charging and power supply switching circuit board are all connected with the main control circuit board, and the two groups of storage batteries are connected with the charging and power supply switching circuit board; the shell comprises a front side and a back side, wherein five 8-bit wiring terminals and an Ethernet interface are arranged on the front side, and the five 8-bit wiring terminals are respectively a terminal wiring terminal for providing a storage battery power supply and transmitting communication signals for other external terminals, a 12V switching power supply wiring terminal for providing a 12V switching power supply, a 24V switching power supply wiring terminal for providing a 24V switching power supply, a 5V switching power supply wiring terminal for providing a 5V switching power supply, and an environment monitoring wiring terminal for connecting a temperature and humidity sensor, a cabinet door detection device and 220V power supply output; the terminal wiring terminal is connected with the communication control circuit board and the two groups of storage batteries, the switching power supply 12V wiring terminal, the switching power supply 24V wiring terminal and the switching power supply 5V wiring terminal are connected with the switching power supply circuit board, and the environment monitoring wiring terminal is connected with the main control circuit board; the Ethernet interface is connected with the communication control circuit board; the front surface is also provided with a liquid crystal screen and five functional keys which are connected with the switching power supply circuit board and used for controlling the voltage regulation of the switching power supply; the front surface is also provided with a 220V output socket which is connected with the main control circuit board and is used for connecting a 220V cabinet fan;
the back surface is provided with four binding posts which are connected with the environment monitoring binding post and the charging and power supply switching circuit and used for providing power for the two groups of storage batteries through the charging and power supply switching circuit; the back face is also provided with a power input interface for 220V input, three power output interfaces for 220V output and two fan interfaces for connecting a 12V fan, and the power input interface, the three power output interfaces and the two fan interfaces are all connected with a main control circuit board.
The front side of the shell is provided with five 8-bit wiring terminals, the first terminal is a terminal wiring terminal and is used for providing storage battery power supply for other terminals such as a temperature and humidity acquisition terminal and the like and outputting communication signals, and the terminal wiring terminal is connected with the communication control circuit and the two groups of storage batteries and provides storage battery power supply for the other connected terminals; the direct-current power supply signal provided by the storage battery power supply is pure, the ripple wave change is extremely small, and the connected terminal can be prevented from being influenced by too much interference, for example, if the temperature and humidity acquisition terminal is connected, the storage battery power supply can ensure the highest precision of the sensor; the terminal wiring terminal is connected with the communication control circuit, and the Ethernet interface arranged on the front face of the shell is also connected with the communication control circuit, so that data signals of other terminals can be transmitted to the Ethernet interface through the communication control circuit, and further, the transmission of communication signals is realized through the Ethernet interface.
The second to fourth 8-bit wiring terminals are wiring terminals for providing a switching power supply, and provide different voltage switching power supplies respectively, so that accessible terminals or equipment are diversified, and the three switching power supply wiring terminals are connected with a switching power supply circuit board.
The fifth 8-bit wiring terminal is an environment monitoring wiring terminal and is used for connecting a temperature and humidity sensor, a cabinet door detection device and 220V power output, and the environment monitoring wiring terminal is connected with the main control circuit board; the temperature and humidity sensor is used for monitoring temperature and humidity inside the power control terminal and outside the cabinet, and the cabinet door detection device is used for detecting whether a cabinet door of the power control terminal is opened or not; the back of the shell is provided with four binding posts, an environment monitoring binding post is connected with the four binding posts to provide 220V power output, the four binding posts are connected with a charging and power supply switching circuit, the 220V power is used for charging two groups of storage batteries through the circuit, when the charging and power supply switching circuit detects that the two groups of storage batteries are charged, one group of storage batteries is automatically switched to provide direct current for the other terminals connected with the terminal connecting terminals to supply power, when the charging and power supply switching circuit detects that the voltage value of one group of storage batteries which are discharging is lower, the fully charged group of storage batteries are automatically switched to discharge, and one group of storage batteries with lower voltage values are charged. In the whole switching process, the power supply is stable and uninterrupted, and the normal work of other terminals accessed by the terminal connecting terminals cannot be influenced.
The casing openly still is equipped with LCD screen and five function button, all is connected with switching power supply circuit board for the output voltage of adjustment controllable switching power supply, still be equipped with 220V output socket, be connected with main control circuit board, be used for connecting 220V rack fan, when temperature and humidity sensor who connects at environmental monitoring binding post detects that terminal is inside, the inside or outside temperature and humidity of rack are not conform to the requirement, will open through main control circuit board control 220V rack fan.
The back of the shell is also provided with a 220V power input interface, an input 220V power is mainly output from three 220V power output interfaces through three branches, and the shell is also provided with a fan interface connected with a 12V fan.
Furthermore, the front face of the shell is also provided with a variable direct-current switching power supply wiring terminal which is connected with the switching power supply circuit board and used for providing a 19V-28V variable direct-current switching power supply.
Further, the terminal wiring terminal comprises an interface RS485A, an interface RS485B, an interface TS485A, an interface TS485B, two storage battery output positive electrode interfaces, and two storage battery output negative electrode interfaces; the interface RS485A, the interface RS485B, the interface TS485A and the interface TS485B are used for connecting the communication control circuit board and other external terminals and transmitting signals for the other external terminals; the storage battery output positive electrode interface and the storage battery output negative electrode interface are used for connecting the two groups of storage batteries and other external terminals and providing storage battery power supplies for the other external terminals.
Further, the environment monitoring terminal comprises an interface DS18-1, an interface DS18-2, an interface DOOR +, a grounding interface, two 220V zero line interfaces and two 220V live line interfaces, wherein the interface DS18-1 and the interface DS18-2 are used for being connected with a temperature and humidity sensor, the interface DOOR + is used for being connected with a cabinet DOOR detection device, and the two 220V zero line interfaces and the two 220V live line interfaces are respectively connected with the four terminals.
Further, the 12V wiring terminal of the switching power supply comprises two controllable 12V switching power supply positive interfaces, two controllable 12V switching power supply negative interfaces, two uncontrollable 12V switching power supply positive interfaces and two uncontrollable 12V switching power supply positive interfaces; and all interfaces of the 12V wiring terminal of the switching power supply are connected with the switching power supply circuit board.
Further, the switching power supply 24V connection terminal comprises two controllable 24V switching power supply positive interfaces, two controllable 24V switching power supply negative interfaces, two uncontrollable 24V switching power supply positive interfaces and two uncontrollable 24V switching power supply positive interfaces; all interfaces of the 24V wiring terminal of the switching power supply are connected with the switching power supply circuit board.
Further, the second switching power supply 5V connection terminal comprises two controllable 5V switching power supply positive interfaces, two controllable 5V switching power supply negative interfaces, two uncontrollable 5V switching power supply positive interfaces and two uncontrollable 5V switching power supply positive interfaces; all interfaces of the 5V wiring terminal of the switching power supply are connected with the switching power supply circuit board.
The switching power supply comprises a controllable switching power supply output and an uncontrollable switching power supply output, and the controllable switching power supply in the switching power supply can be adjusted by the liquid crystal screen and the five functional keys which are arranged on the front face of the shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the storage battery direct-current power supply is provided for the terminal such as a sensor and the like which requires high precision, and the interference is small, so that the high-precision output of the terminal is ensured;
2. the power supply control terminal has a storage battery charging and discharging management function, and automatically switches charging and discharging of the storage battery, so that stable work of power supply of the storage battery is guaranteed;
3. the power control terminal provides a switching power supply capable of controlling voltage output and 220V voltage output, and meanwhile, the power control terminal comprises a plurality of signal transmission interfaces, is high in integration level and diversified in interfaces, and can be suitable for different terminals or equipment.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a software control flow chart of the present invention.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, this embodiment is a power control terminal, which includes a housing, the housing includes a front side a and a back side B, and further includes a main control circuit board C, a switching power circuit board D, a communication control circuit board E, a charging and power supply switching circuit board F, and two sets of storage batteries G, the switching power circuit board D, the communication control circuit board E, and the charging and power supply switching circuit board F are all connected to the main control circuit board C, and the two sets of storage batteries G are connected to the charging and power supply switching circuit board F; five 8-bit wiring terminals and an Ethernet interface 1 are arranged on the front surface A, and the five 8-bit wiring terminals are terminal wiring terminals 2 respectively and are used for providing a storage battery power supply for other external terminals and transmitting communication signals; a 12V connecting terminal 3 of the switching power supply, which is used for providing the 12V switching power supply; the 24V switching power supply terminal 4 is used for providing a 24V switching power supply; the 5V switching power supply wiring terminal 5 is used for providing a 5V switching power supply; the environment monitoring wiring terminal 6 is used for simultaneously connecting the temperature and humidity sensor and the cabinet door detection device and providing 220V power output; the front surface A is also provided with a liquid crystal screen 7, and five functional keys are an upper key, a lower key, a left key, a right key, an affirmation key and a cancel key respectively, which are connected with a switch power supply circuit board D and used for controlling the voltage regulation of the switch power supply; the front surface A is also provided with a 220V output socket 8 which is connected with the main control circuit board C and is used for connecting a 220V cabinet fan;
the terminal wiring terminal 2 comprises an interface RS485A, an interface RS485B, an interface TS485A, an interface TS485B, two storage battery output positive electrode interfaces, and two storage battery output negative electrode interfaces; the interface RS485A, the interface RS485B, the interface TS485A and the interface TS485B are connected with the communication control circuit board E in the power control terminal, and are externally connected with other terminals to provide signal transmission for the other terminals; the storage battery output positive electrode interface and the storage battery output negative electrode interface are connected with two groups of storage batteries G in the power control terminal, and are externally connected to other terminals to provide storage battery power for other terminals.
The 12V wiring terminal 3 of the switching power supply comprises two controllable 12V switching power supply positive interfaces, two controllable 12V switching power supply negative interfaces, two uncontrollable 12V switching power supply positive interfaces and two uncontrollable 12V switching power supply positive interfaces; all interfaces of the 12V wiring terminal 3 of the switching power supply are connected with a switching power supply circuit board D inside the power supply control terminal.
The 24V switching power supply wiring terminal 4 comprises two controllable 24V switching power supply positive interfaces, two controllable 24V switching power supply negative interfaces, two uncontrollable 24V switching power supply positive interfaces and two uncontrollable 24V switching power supply positive interfaces; all interfaces of the 24V wiring terminal 4 of the switching power supply are connected with a switching power supply circuit board D in the power supply control terminal.
The 5V connecting terminal 5 of the switching power supply comprises two controllable 5V switching power supply positive interfaces, two controllable 5V switching power supply negative interfaces, two uncontrollable 5V switching power supply positive interfaces and two uncontrollable 5V switching power supply positive interfaces; all interfaces of the switching power supply 5V wiring terminal 5 are connected with a switching power supply circuit board D inside the power supply control terminal.
The environment monitoring wiring terminal 6 comprises an interface DS18-1, an interface DS18-2, an interface DOOR +, a grounding interface, two 220V zero line interfaces and two 220V live line interfaces, wherein the interface DS18-1 and the interface DS18-2 are connected with a temperature and humidity sensor outside the power control terminal, a main control circuit board C is connected inside the power control terminal, the interface DOOR + is connected with a cabinet DOOR detection device outside the power control terminal, and the main control circuit board C is connected inside the power control terminal; four terminals 9 are connected respectively to two 220V zero line interfaces and two 220V live wire interfaces, connect through terminal 9 and charge and discharge switching circuit board F, and then provide 220V charging power supply for two sets of battery G.
The terminal wiring terminal 2 is connected with the communication control circuit board E and the charging and power supply switching circuit board F, and the switching power supply 12V wiring terminal 3, the switching power supply 24V wiring terminal 4 and the switching power supply 5V wiring terminal 5 are connected with the switching power supply circuit board D; the Ethernet interface 1 is connected with a communication control circuit board E;
the back B is provided with four binding posts 9, two positive binding posts and two negative binding posts respectively, connected with the environment monitoring binding post 6 and the charging and power supply switching circuit F and used for providing power for the two groups of storage batteries G through the charging and power supply switching circuit F; the back surface B is also provided with a power input interface 10 for 220V input, three power output interfaces 11 for 220V output and two fan interfaces 12 for connecting 12V fans, and the power input interface 10, the three power output interfaces 11 and the two fan interfaces 12 are all connected with the main control circuit board C in the power control terminal.
Preferably, the front surface a further comprises a variable direct-current switching power supply wiring terminal 13, which is connected with the switching power supply circuit board D inside the power supply control terminal and used for providing a 19V-28V variable direct-current switching power supply.
As a preferable scheme, as shown in fig. 1 and 2, the power control terminal of the present embodiment may further perform operation control using software:
after the power control terminal is connected with a 220V power supply, the single chip microcomputer is powered on, and the power supply of the single chip microcomputer is not controlled by any relay;
after the single chip microcomputer is powered on, the single chip microcomputer starts to detect whether the three power output interfaces 11 are short-circuited or not, and detects whether the voltage of one group of storage batteries G is normal or not and whether charging is needed or not; further detecting whether the voltage of the other group of storage batteries G is normal and whether charging is needed; further detecting whether the power output of the 12V wiring terminal 3 of the switching power supply, the 24V wiring terminal 4 of the switching power supply and the 5V wiring terminal 5 of the switching power supply has a short circuit condition; if a short-circuit fault condition occurs, the single chip microcomputer stops electrifying all the equipment, sends the fault condition to the server through the Ethernet interface, and displays the current fault or normal working state according to the instruction after the server feeds back the instruction.
After the singlechip finishes the initialization detection, further detect all binding post passageways and have the short circuit condition: the single chip microcomputer powers all the wiring terminals through the solid-state relays, detects input total voltage and total current through the electric power chip and judges whether the current power supply current is within a set range. If the current is within the set range, the singlechip powers on all the wiring terminals; if the current is not in the set range, the single chip microcomputer disconnects the solid-state relay.
After the detection is finished, the single chip microcomputer powers on the power input interface 10, detects the total voltage and current value all the time, selects a group of storage batteries G with higher voltage values to supply power to the terminal connected with the terminal connecting terminal, charges another group of storage batteries with lower voltage values, and switches after the storage batteries for power supply discharge are charged.
If the single chip receives an instruction sent by a server corresponding to an RS485 bus in the Ethernet or the terminal wiring terminal, various data of the power control terminal are fed back to the server according to the instruction, or a power supply of a certain channel is turned on and off according to the instruction of the server. Under the software control, the user can also control the power supply control terminal to be powered on or powered off and other operations through the liquid crystal screen 7 on the front surface A and the five function keys.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (7)
1. A power control terminal comprises a shell and a main control circuit board, and is characterized by further comprising a switch power circuit board, a communication control circuit board, a charging and power supply switching circuit board and two groups of storage batteries, wherein the switch power circuit board, the communication control circuit board and the charging and power supply switching circuit board are connected with the main control circuit board, and the two groups of storage batteries are connected with the charging and power supply switching circuit board; the shell comprises a front side and a back side, wherein five 8-bit wiring terminals and an Ethernet interface are arranged on the front side, the five 8-bit wiring terminals are respectively used for providing a storage battery power supply for an external terminal and a terminal wiring terminal for transmitting communication signals, a 12V switching power supply wiring terminal for providing a 12V switching power supply, a 24V switching power supply wiring terminal for providing a 24V switching power supply, a 5V switching power supply wiring terminal for providing a 5V switching power supply, and an environment monitoring wiring terminal for connecting a temperature and humidity sensor, a cabinet door detection device and 220V power supply output; the terminal wiring terminal is connected with the communication control circuit board and the two groups of storage batteries, the switching power supply 12V wiring terminal, the switching power supply 24V wiring terminal and the switching power supply 5V wiring terminal are connected with the switching power supply circuit board, and the environment monitoring wiring terminal is connected with the main control circuit board; the Ethernet interface is connected with the communication control circuit board; the front surface is also provided with a liquid crystal screen and five functional keys which are connected with the switching power supply circuit board and used for controlling the voltage regulation of the switching power supply; the front surface is also provided with a 220V output socket which is connected with the main control circuit board and is used for connecting a 220V cabinet fan;
the back surface is provided with four binding posts which are connected with the environment monitoring binding post and the charging and power supply switching circuit and used for providing power for the two groups of storage batteries through the charging and power supply switching circuit; the back face is also provided with a power input interface for 220V input, three power output interfaces for 220V output and two fan interfaces for connecting a 12V fan, and the power input interface, the three power output interfaces and the two fan interfaces are all connected with a main control circuit board.
2. The power control terminal as claimed in claim 1, wherein the front face is further provided with a variable dc switching power supply terminal connected to the switching power supply circuit board for providing a variable dc switching power supply of 19V-28V.
3. The power control terminal of claim 1, wherein the terminal connection terminal comprises an interface RS485A, an interface RS485B, an interface TS485A, an interface TS485B, two battery output positive interfaces, two battery output negative interfaces; the interface RS485A, the interface RS485B, the interface TS485A and the interface TS485B are used for connecting the communication control circuit board and an external terminal and transmitting signals for the external terminal; the storage battery output positive electrode interface and the storage battery output negative electrode interface are used for connecting the two groups of storage batteries and an external terminal and providing a storage battery power supply for the external terminal.
4. The power control terminal according to claim 1, wherein the environment monitoring terminal comprises an interface DS18-1, an interface DS18-2, an interface DOOR +, a grounding interface, two 220V zero line interfaces, and two 220V live line interfaces, wherein the interface DS18-1 and the interface DS18-2 are used for connecting a temperature and humidity sensor, the interface DOOR + is used for connecting a cabinet DOOR detection device, and the two 220V zero line interfaces and the two 220V live line interfaces are respectively connected with the four terminals.
5. The power control terminal according to any one of claims 1 to 4, wherein the switching power supply 12V terminal comprises two controllable 12V switching power supply positive interfaces, two controllable 12V switching power supply negative interfaces, two uncontrollable 12V switching power supply positive interfaces and two uncontrollable 12V switching power supply positive interfaces; and all interfaces of the 12V wiring terminal of the switching power supply are connected with the switching power supply circuit board.
6. The power control terminal according to any one of claims 1 to 4, wherein the switching power supply 24V terminal comprises two controllable 24V switching power supply positive interfaces, two controllable 24V switching power supply negative interfaces, two uncontrollable 24V switching power supply positive interfaces and two uncontrollable 24V switching power supply positive interfaces; all interfaces of the 24V wiring terminal of the switching power supply are connected with the switching power supply circuit board.
7. The power control terminal according to any one of claims 1 to 4, wherein the switching power supply 5V terminal comprises two controllable 5V switching power supply positive interfaces, two controllable 5V switching power supply negative interfaces, two uncontrollable 5V switching power supply positive interfaces and two uncontrollable 5V switching power supply positive interfaces; all interfaces of the 5V wiring terminal of the switching power supply are connected with the switching power supply circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921848429.0U CN211239435U (en) | 2019-10-30 | 2019-10-30 | Power control terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921848429.0U CN211239435U (en) | 2019-10-30 | 2019-10-30 | Power control terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211239435U true CN211239435U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921848429.0U Active CN211239435U (en) | 2019-10-30 | 2019-10-30 | Power control terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211239435U (en) |
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2019
- 2019-10-30 CN CN201921848429.0U patent/CN211239435U/en active Active
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