CN210776305U - Bus system extension control system - Google Patents
Bus system extension control system Download PDFInfo
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- CN210776305U CN210776305U CN201921853172.8U CN201921853172U CN210776305U CN 210776305 U CN210776305 U CN 210776305U CN 201921853172 U CN201921853172 U CN 201921853172U CN 210776305 U CN210776305 U CN 210776305U
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a bus system extension control system is used in high voltage electric network control system, high voltage electric network control system includes main control machine and the multicomponent machine control system who is connected with the main control machine, extension control system includes CPU chip, peripheral circuit and high-voltage box, peripheral circuit includes bus communication circuit and outside control circuit, bus communication circuit one end with the main control machine is connected, the other end with the CPU chip is connected, outside control circuit one end with the CPU chip is connected, the other end with the high-voltage box is connected, bus communication circuit includes transceiver US2 and charactron Q1, transceiver US2 and charactron Q1 connect; the external control circuit comprises a driver U0 and a functional relay, and the input end of the driver U0 is connected with the CPU chip through a resistor RP 1. The system shortens the communication time, can respond in time when abnormal conditions occur, does not influence each function, and has little delay.
Description
Technical Field
The utility model relates to a high voltage electric network technical field, concretely relates to bus system extension control system.
Background
In some special places, such as military factories, vaults, guard houses and the like, a high-voltage power grid control system is required to be installed and has the functions of perimeter precaution, attack of the high-voltage power grid control system and the like.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a total system extension control system.
In order to achieve the above object, the present invention provides the following technical solutions:
a bus system extension control system is used in a high-voltage power grid control system, the high-voltage power grid control system comprises a main control machine and a multi-component machine control system connected with the main control machine, the extension control system comprises a CPU chip, a peripheral circuit and a high-voltage box, the peripheral circuit comprises a bus communication circuit and an external control circuit, one end of the bus communication circuit is connected with the main control machine, the other end of the bus communication circuit is connected with the CPU chip, one end of the external control circuit is connected with the CPU chip, the other end of the external control circuit is connected with the high-voltage box, the bus communication circuit comprises a transceiver US2 and a nixie Q1, and the transceiver US2 is connected with the nixie Q1; the external control circuit comprises a driver U0 and a functional relay, wherein the input end of the driver U0 is connected with the CPU chip through a resistor RP1, the output end of the driver U0 is connected with the functional relay, and the other end of the functional relay is connected with a power supply.
The utility model discloses in, it is preferred, peripheral circuit still includes two sets of signal acquisition circuit, and is two sets of signal acquisition circuit structure is the same, every group signal acquisition circuit includes signal input circuit, operational amplification circuit, signal input circuit with the high-voltage box is connected, the signal input circuit other end with operational amplification circuit connects, operational amplification circuit with the CPU chip is connected, signal acquisition circuit will follow the analog voltage current signal conversion that the high-voltage box gathered sends the singlechip for digital signal.
The utility model discloses in, it is preferred, peripheral circuit still includes voltage stabilizing circuit, voltage stabilizing circuit includes bridge rectifier circuit and steady voltage chip UP, bridge rectifier circuit with steady voltage chip UP connects.
In the utility model discloses in, it is preferred, peripheral circuit still includes the indicator light circuit, the indicator light circuit includes the circuit that 8 routing resistance and emitting diode constitute, the indicator light circuit with the CPU chip is connected.
The utility model discloses in, it is preferred, the function relay includes electric quantity control relay, power consumption control relay, humidity control relay and alarm control relay, every the contact of function relay is established high-pressure tank output end, through the control of high-pressure tank output electric quantity is accomplished to the time of function relay actuation, through power consumption control, humidity control and alarm control are accomplished in the actuation of control relay.
The utility model discloses in, it is preferred, peripheral circuit still includes the address setting circuit, the address setting circuit includes 8 buttons, button one end is connected with the CPU chip, other end ground connection.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a system adopts CAN bus mode to realize and the high-pressure tank communication to carry out the piecemeal setting with the function, shortened communication time, CAN in time react when the abnormal conditions appears again, each function does not influence each other, postpones few.
Drawings
Fig. 1 is a schematic structural view of a bus system extension control system according to the present invention.
Fig. 2 is an electrical control diagram of a bus system extension control system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-2 simultaneously, the utility model provides a bus system extension control system for among the high voltage electric network control system, high voltage electric network control system includes the main control machine and the multicomponent machine control system who is connected with the main control machine, including the high-pressure case among the extension control system, extension control system gathers the voltage analog signal of high-pressure incasement input, transmit the signal conversion for the main control machine again, and according to the instruction control function relay that the main control machine sent, the function relay contact acts on the voltage output end of high-pressure case, thereby realize the control to high voltage electric network.
In this embodiment, the system further comprises a CPU chip and a peripheral circuit, the peripheral circuit comprises a bus communication circuit and an external control circuit, one end of the bus communication circuit is connected with the main control computer, the other end is connected with the CPU chip, one end of the external control circuit is connected with the CPU chip, the other end of the external control circuit is connected with the high-voltage box, the bus communication circuit comprises a transceiver US2 and a nixie tube Q1, the transceiver US2 adopts 82C251 interface communication, pin No. 4 of the transceiver US2 is connected with the nixie tube Q1, pin No. 6 and pin No. 7 of the transceiver US2 are connected with the high-voltage box through resistors and diode voltage stabilization, pin No. 1 and pin No. 4 of the transceiver US2 are connected with the CPU chip, the bus communication circuit connects the multi-component control system with a main control machine, a certain extension control system transmits acquired signals processed by the CPU chip to the main control machine, and the main control machine outputs control signals to the CPU chip according to the original route of the bus communication circuit after operation.
The external control circuit comprises a driver U0 and a functional relay, the input end of the driver U0 is connected with the CPU chip through a resistor RP1, the output end of the driver U0 is connected with the functional relay, the other end of the functional relay is connected with a power supply, the contact of the functional relay is connected with the output end of the high-voltage box, the driver U0 drives the functional relay to open and close according to the instruction of the CPU chip, and the whole external control circuit realizes the instruction from the CPU chip to the control of the action of each functional relay.
The functional relay comprises an electric quantity control relay, a power consumption control relay, a humidity control relay and an alarm control relay, wherein a contact of each functional relay is arranged at the output end of the high-voltage box, the electric quantity control is completed by controlling the actuation time of the functional relay, and the power consumption control, the humidity control and the alarm control are completed by controlling the actuation of the functional relay, wherein the electric quantity control relay is disconnected under the normal condition, and the electric quantity control relay is actuated under the special condition, so that the current in the system is increased; under the special condition, the power consumption control relay is switched off, and the system returns to the normal working state; and under the wet environment, the wet control relay is closed, and the system enters a low-voltage mode.
In this embodiment, the peripheral circuit further includes two sets of signal acquisition circuits, the two sets of signal acquisition circuits have the same structure, each set of signal acquisition circuit includes a signal input circuit and an operational amplifier circuit, each set of signal input circuit is formed by connecting two diodes RIA and RVA in parallel with sliding resistors RVIA and RVVA, each set of operational amplifier circuit includes an operational amplifier UVIA, a plurality of resistors, a plurality of capacitors and a diode, sliding ends of the sliding resistors RVIA and RVVA are connected to a negative phase port of the operational amplifier UVIA through resistors RI0 and RI1, an output end of the operational amplifier UVIA is connected with a diode DI1, then, the resistors RI3-RI6 are connected in series and then connected to a CPU chip, every two resistors RI3-RI6 are grounded through a capacitor and used for filtering signals, and a signal acquisition circuit converts voltage analog signals acquired from the input end of the high-voltage box into stable digital signals and transmits the stable digital signals to the CPU chip.
In this embodiment, the peripheral circuit further includes a voltage stabilizing circuit, the voltage stabilizing circuit includes a bridge rectifier circuit and a voltage stabilizing chip UP, the bridge rectifier circuit is connected to the voltage stabilizing chip UP, and the bridge rectifier circuit stabilizes the voltage of the power supply and then supplies the power supply to the system.
In this embodiment, the peripheral circuit further includes an indicator light circuit, the indicator light circuit includes 8 circuits of a resistor and a light emitting diode, the indicator light circuit is connected to the CPU chip, and the indicator light indicates the open circuit, the short circuit, the touch screen, the communication of the system, and the operating conditions of the four functional relays, respectively.
In this embodiment, the peripheral circuit further includes an address setting circuit, the address setting circuit includes 8 keys, one end of each key is connected to the CPU chip, the other end of each key is grounded, and the keys are used to set an address code of the extension control system.
The working principle is as follows: the acquisition circuit in the extension control system acquires voltage analog signals from an input end circuit of the high-voltage box and converts the voltage analog signals into digital signals to be input into the CPU chip, the CPU chip processes the signals and then transmits the digital signals to the main control machine through the bus communication circuit, the main control machine makes judgment according to the transmitted signal operation and transmits commands back to the CPU chip through a primary circuit of the bus communication circuit, the CPU chip transmits the processed signals to an external control circuit, and a contact of a functional relay in the external control circuit is connected to the output end of the high-voltage box, so that the external circuit acts to realize the control of the high-voltage power grid control system. The whole extension control system has four working modes besides normal operation, namely a striking mode, a standby mode and a low-voltage mode.
The voltage control relay realizes a striking mode, and is in a disconnected state under a normal condition, when the conditions such as network touch and the like occur, a signal acquisition circuit in the extension control system acquires a voltage analog signal at the input end of the high-voltage box to be increased, the acquisition circuit converts the voltage analog signal into a digital signal to be sent to a CPU chip, the digital signal is transmitted to a main control machine through a bus communication circuit after being processed by the CPU chip, the main control machine gives an action instruction level signal according to the operation and transmits the action instruction level signal to the CPU chip through the bus communication circuit, the CPU chip is integrated and then transmitted to a driver U0, the driver U0 starts a voltage control relay and an alarm control relay, a power consumption control relay and a humidity control relay are disconnected, a normally open contact of the voltage control relay is closed, the voltage, and meanwhile, the normally open contact of the alarm relay is closed, and an alarm indicator lamp outside the high-voltage box connected with the alarm relay is turned on.
The power consumption control relay realizes a standby mode, under normal conditions, a signal acquisition circuit converts an acquired analog voltage signal which is not changed into a digital signal and transmits the digital signal to a CPU chip, the CPU chip is processed and transmitted to a main control machine through a bus communication circuit, the main control machine gives a low level signal to the CPU chip according to the low level signal, the CPU chip integrates and outputs a control signal to a driver U0, the driver U0 starts a power consumption control relay, the contact of the power consumption control relay is closed, the system enters a 150V low power consumption standby mode, and at the moment, the voltage control relay, the humidity control relay and the alarm control relay are all in an off state.
The moisture control relay realizes a 60V low-voltage mode, when weather is rainy, a programmer sets the moisture control relay in a main control machine system, the main control machine transmits signals to a CPU chip of an extension control system through a wire communication circuit after setting, the CPU chip is integrated and then transmitted to a driver U0, the driver U0 controls the moisture control relay to act, a normally open contact of the moisture control relay is closed, a voltage control relay, a power consumption control relay and an alarm control relay system enter the 60V low-voltage mode, the circuit current is reduced, and the condition of leakage current caused by the moisture of an external circuit of the system is reduced.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (6)
1. A bus system extension control system is characterized by being used in a high-voltage power grid control system, wherein the high-voltage power grid control system comprises a main control machine and a multi-component machine control system connected with the main control machine, the extension control system comprises a CPU chip, a peripheral circuit and a high-voltage box, the peripheral circuit comprises a bus communication circuit and an external control circuit, one end of the bus communication circuit is connected with the main control machine, the other end of the bus communication circuit is connected with the CPU chip, one end of the external control circuit is connected with the CPU chip, the other end of the external control circuit is connected with the high-voltage box, the bus communication circuit comprises a transceiver US2 and a nixie tube Q1, and the transceiver US2 is connected with the nixie tube Q1; the external control circuit comprises a driver U0 and a functional relay, wherein the input end of the driver U0 is connected with the CPU chip through a resistor RP1, the output end of the driver U0 is connected with the functional relay, and the other end of the functional relay is connected with a power supply.
2. The bus system extension control system of claim 1, wherein the peripheral circuit further comprises two sets of signal acquisition circuits, the two sets of signal acquisition circuits are identical in structure, each set of signal acquisition circuit comprises a signal input circuit and an operational amplifier circuit, the signal input circuit is connected with the high-voltage box, the other end of the signal input circuit is connected with the operational amplifier circuit, the operational amplifier circuit is connected with the CPU chip, and the signal acquisition circuit converts an analog voltage and current signal acquired from the high-voltage box into a digital signal and transmits the digital signal to a single chip microcomputer.
3. The bus extension control system of claim 1, wherein the peripheral circuit further comprises a voltage regulator circuit, the voltage regulator circuit comprising a bridge rectifier circuit and a voltage regulator chip UP, the bridge rectifier circuit being connected to the voltage regulator chip UP.
4. A bus extension control system according to claim 1, wherein said peripheral circuit further comprises an indicator light circuit, said indicator light circuit comprising an 8-way circuit of a resistor and a light emitting diode, said indicator light circuit being connected to said CPU chip.
5. The bus system extension control system of claim 1, wherein the function relays comprise an electric quantity control relay, a power consumption control relay, a humidity control relay and an alarm control relay, a contact of each function relay is arranged at the output end of the high-voltage box, the control of the output voltage of the high-voltage box is completed by the actuation time of the function relay, and the power consumption control, the humidity control and the alarm control are completed by the actuation of the control relay.
6. The bus system extension control system of claim 1, wherein the peripheral circuit further comprises an address setting circuit, the address setting circuit comprising 8 keys, one end of the key being connected to the CPU chip and the other end being connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853172.8U CN210776305U (en) | 2019-10-30 | 2019-10-30 | Bus system extension control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853172.8U CN210776305U (en) | 2019-10-30 | 2019-10-30 | Bus system extension control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210776305U true CN210776305U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921853172.8U Active CN210776305U (en) | 2019-10-30 | 2019-10-30 | Bus system extension control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210776305U (en) |
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2019
- 2019-10-30 CN CN201921853172.8U patent/CN210776305U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: Room 3002, building 1, No. 6, Ziyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin Patentee after: Skynet (Tianjin) Technology Co., Ltd Address before: No. 081, changjiagoutun, changjiagou village, Lijiabao Township, Suizhong County, Huludao City, Liaoning Province Patentee before: Yang Yang |
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| TR01 | Transfer of patent right |