CN210605499U - Emulsion concentration ratio control switch board and emulsion concentration ratio system - Google Patents
Emulsion concentration ratio control switch board and emulsion concentration ratio system Download PDFInfo
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- CN210605499U CN210605499U CN201922013682.0U CN201922013682U CN210605499U CN 210605499 U CN210605499 U CN 210605499U CN 201922013682 U CN201922013682 U CN 201922013682U CN 210605499 U CN210605499 U CN 210605499U
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Abstract
The utility model discloses an emulsion concentration ratio control switch board and emulsion concentration ratio system, the switch board is through setting up temperature acquisition board, switching value IO board, analog current acquisition board, main control interface board, according to the water pump motor temperature of gathering, reserve water pump motor temperature, oil pump motor temperature, reserve oil pump motor temperature, transfer pump motor temperature, reserve transfer pump motor temperature and oil level, join in marriage liquid tank liquid level, transfusion tank liquid level, join in marriage liquid tank concentration, transfusion tank concentration, water flow, oil flow signal control feed valve, the oiling valve, the operation of oil return valve and water pump power supply circuit, reserve water pump power supply circuit, oil pump power supply circuit, reserve oil pump power supply circuit, transfer pump power supply circuit, the break-make of reserve transfer pump power supply circuit, the control accuracy and the degree of automation of emulsion concentration ratio have been improved, security and stability are good, the regulation and control are convenient; the motor temperature of each pump is monitored, and the safety of each pump and the whole power distribution cabinet is improved.
Description
Technical Field
The utility model relates to a switch board especially relates to an emulsion concentration ratio control switch board and emulsion concentration ratio system.
Background
Traditional emulsion concentration ratio adopts traditional control methods such as proportional valve control more, has the shortcoming of ratio inefficiency, emulsion concentration unstability, and is applied to the traditional switch board that emulsion concentration ratio control used, and control accuracy is low, and the security is poor, and degree of automation is not high, is not convenient for regulate and control.
Disclosure of Invention
The utility model provides an emulsion concentration ratio control switch board solves the not high problem of traditional switch board degree of automation.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides an emulsion concentration ratio control switch board, includes:
the temperature acquisition board comprises a first communication interface and a temperature signal input interface; the temperature signal input interface respectively receives temperature signals of a water pump motor, a standby water pump motor, an oil pump motor, a standby oil pump motor, an infusion pump motor and a standby infusion pump motor;
the switching value IO board comprises a second communication interface, a switching value input interface and a switching value output interface; the switching value output interface respectively controls the on-off of a water pump power supply loop, a standby water pump power supply loop, an oil pump power supply loop, a standby oil pump power supply loop, an infusion pump power supply loop and a standby infusion pump power supply loop;
the analog current acquisition board comprises a third communication interface, a control chip, an analog current signal acquisition interface and an electromagnetic valve driving interface; the analog current signal acquisition interface respectively receives signals acquired by an oil level sensor, a liquid distribution box liquid level sensor, a liquid conveying box liquid level sensor, a liquid distribution box concentration sensor, a liquid conveying box concentration sensor, a water flow sensor and an oil flow sensor; the electromagnetic valve driving interface respectively controls the actions of the water supply valve, the oil filling valve and the oil return valve; the third communication interface is respectively connected with the second communication interface and the first communication interface;
the main control interface board comprises a fourth communication interface, a main control chip and a man-machine interaction interface; the human-computer interaction interface is connected with human-computer interaction equipment; the fourth communication interface is respectively connected with the third communication interface, the second communication interface and the first communication interface.
Further, contactors are respectively arranged on the water pump power supply circuit, the standby water pump power supply circuit, the oil pump power supply circuit, the standby oil pump power supply circuit, the infusion pump power supply circuit and the standby infusion pump power supply circuit; and the switching value output interface controls the action of the main contact of each contactor.
Still further, the switching value input interface receives an auxiliary contact feedback signal of each contactor.
Furthermore, the water pump power supply circuit, the standby water pump power supply circuit, the oil pump power supply circuit, the standby oil pump power supply circuit, the infusion pump power supply circuit and the standby infusion pump power supply circuit are respectively provided with a circuit breaker.
Still further, the control switch board still includes:
the alternating current power supply supplies power for the water pump, the standby water pump, the oil pump, the standby oil pump, the infusion pump and the standby infusion pump;
and the direct-current power supply supplies power for the temperature acquisition board, the switching value IO board, the analog current acquisition board, the main control interface board, the water supply valve, the oil injection valve, the oil return valve, the oil level sensor, the liquid distribution box liquid level sensor, the infusion box liquid level sensor, the liquid distribution box concentration sensor, the infusion box concentration sensor, the water flow sensor and the oil flow sensor.
Further, the first communication interface, the second communication interface, the third communication interface and the fourth communication interface are all CAN bus interfaces.
Still further, the master control interface board further includes: and the external communication interface is connected with the remote control host.
Furthermore, the control power distribution cabinet further comprises a gateway; the master control interface board further comprises a 485 interface, an input interface of the gateway is connected with the 485 interface, and an output interface of the gateway is connected with the remote control ring network.
Further, the master control interface board is connected with an alarm.
Based on the design of above-mentioned emulsion concentration ratio control switch board, the utility model also provides an emulsion concentration ratio system, include:
the concentration ratio of the emulsion controls the power distribution cabinet;
the liquid distribution box is internally provided with a liquid distribution box liquid level sensor and a liquid distribution box concentration sensor; a water inlet of the liquid distribution tank is connected with a water supply pipeline, an oil inlet of the liquid distribution tank is connected with an oil supply pipeline, and a liquid conveying port of the liquid distribution tank is connected with a liquid conveying pipeline; a water flow sensor, a water supply valve, a water pump and a standby water pump are arranged on the water supply pipeline; an oil flow sensor, an oil filling valve, an oil pump and a standby oil pump are arranged on the oil supply pipeline; an infusion pump and a standby infusion pump are arranged on the infusion pipeline;
the oil tank is internally provided with an oil level sensor, and an oil outlet of the oil tank is connected with the oil supply pipeline; the oil tank is provided with an oil return port, the oil return port is connected with an oil return pipeline, and the oil return pipeline is connected with the output of the oil pump and the output of the standby oil pump; an oil return valve is arranged on the oil return pipeline;
and the transfusion box is internally provided with a transfusion box liquid level sensor and a transfusion box concentration sensor, and the transfusion box is connected with the transfusion pipeline.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses an emulsion concentration ratio control switch board and an emulsion concentration ratio system, which are provided with a temperature acquisition board, a switching value IO board, a simulation current acquisition board and a main control interface board, the control precision and the automation degree of emulsion concentration ratio are improved, the safety and the stability are good, and the regulation and the control are convenient; meanwhile, the motor temperature of each pump is monitored, the safety of each pump is improved, and the safety of a power distribution cabinet is further improved.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an embodiment of an emulsion concentration ratio control power distribution cabinet provided by the present invention;
FIG. 2 is a schematic diagram of a power supply;
fig. 3 is a schematic diagram of an embodiment of the emulsion concentration proportioning system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" in the description of the present invention are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection, such as a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment provides an emulsion concentration ratio control power distribution cabinet, which is applied to power distribution and control of an emulsion concentration ratio system shown in fig. 3, and the emulsion concentration ratio control power distribution cabinet mainly comprises a temperature acquisition board, a switching value IO board, an analog current acquisition board, a main control interface board and the like, as shown in fig. 1.
The temperature acquisition board comprises a first communication interface and a temperature signal input interface; the temperature signal input interface respectively receives temperature signals of a water pump motor, a standby water pump motor, an oil pump motor, a standby oil pump motor, an infusion pump motor and a standby infusion pump motor. In this embodiment, the temperature signal input interface includes 6 ways of input interface, connects the temperature sensor who installs on water pump motor, reserve water pump motor, oil pump motor, reserve oil pump motor, transfer pump motor, reserve transfer pump motor respectively to gather the temperature of the motor of each pump, provide data for motor temperature protection control.
The switching value IO board comprises a second communication interface, a switching value input interface and a switching value output interface; the switching value output interface comprises 6 output interfaces which respectively control the on-off of a water pump power supply loop, a standby water pump power supply loop, an oil pump power supply loop, a standby oil pump power supply loop, an infusion pump power supply loop and a standby infusion pump power supply loop.
The analog current acquisition board comprises a third communication interface, a control chip, an analog current signal acquisition interface and an electromagnetic valve driving interface, and the control chip is respectively connected with the third communication interface, the analog current signal acquisition interface and the electromagnetic valve driving interface; the analog current signal acquisition interface comprises 7 input interfaces, is respectively connected with an oil level sensor, a liquid distribution box liquid level sensor, a transfusion box liquid level sensor, a liquid distribution box concentration sensor, a transfusion box concentration sensor, a water flow sensor and an oil flow sensor, and respectively receives signals acquired by the oil level sensor, the liquid distribution box liquid level sensor, the transfusion box liquid level sensor, the liquid distribution box concentration sensor, the transfusion box concentration sensor, the water flow sensor and the oil flow sensor. The electromagnetic valve driving interface comprises 3 paths of output interfaces which respectively control the actions of the water supply valve, the oil injection valve and the oil return valve. The third communication interface is respectively connected with the second communication interface, the first communication interface and the fourth communication interface, and communication between the analog current acquisition board and the switching value IO board, the temperature acquisition board and the main control interface board is realized. The temperature acquisition board sends the acquired temperature signals of the motors of the pumps to the analog current acquisition board and the main control interface board.
The control chip of the analog current acquisition board generates a control signal according to the received data and controls the output of the electromagnetic valve driving interface so as to control the operation of the water supply valve, the oil injection valve and the oil return valve; and the control chip also sends the generated control signal to the switching value IO board, and controls the output of the switching value output interface of the switching value IO board, so that the on-off of each pump power supply loop is controlled. For example, if the motor temperature of the water pump received by the temperature acquisition board exceeds the temperature threshold, the control chip generates a control signal to control the water supply valve, the oil injection valve and the oil return valve to be closed and cut off the power supply loop of each pump, so that the damage of the water pump caused by the overhigh motor temperature of the water pump is avoided, and the safety of the power distribution cabinet is improved. Or the control chip controls the corresponding pump to stop and starts the standby pump so as to ensure the stable operation of the system.
The main control interface board comprises a fourth communication interface, a main control chip and a man-machine interaction interface, and the main control chip is respectively connected with the fourth communication interface and the man-machine interaction interface. The man-machine interaction interface is connected with the man-machine interaction equipment and used for communicating with the man-machine interaction equipment. The fourth communication interface is respectively connected with the third communication interface, the second communication interface and the first communication interface, and communication between the master control interface board and the analog current acquisition board, the switching value IO board and the temperature acquisition board is realized. In the embodiment, the human-computer interaction device comprises a button, a knob, a keyboard, a display screen and the like.
The man-machine interaction interface receives signals sent by the man-machine interaction equipment and transmits the signals to the main control chip, the main control signal processes the received signals and sends the signals to the analog current acquisition board through the fourth communication interface, and the analog current acquisition board automatically controls the operation of each valve and the power supply of each pump according to the received signals to realize automatic proportioning control. A user can control the start and stop of each pump and each valve through the human-computer interaction equipment, and the emulsion is matched manually. The main control chip also processes the received data to generate a control signal so as to control the operation of the human-computer interaction device, such as controlling the display of the display screen.
According to the emulsion concentration ratio control power distribution cabinet, the temperature acquisition board, the switching value IO board, the analog current acquisition board and the main control interface board are arranged, and the water supply valve, the oil injection valve and the oil return valve are controlled according to the acquired water pump motor temperature, the standby oil pump motor temperature, the infusion pump motor temperature, the standby infusion pump motor temperature and oil level, the liquid level of the liquid distribution box, the liquid level of the infusion box, the concentration of the liquid distribution box, the concentration of the infusion box, the water flow and the oil flow signals, the operation of the water pump power supply loop, the standby water pump power supply loop, the oil pump power supply loop, the standby oil pump power supply loop, the infusion pump power supply loop and the on-off of the standby infusion pump power supply loop, so that the control precision and the automation degree of the emulsion concentration; meanwhile, the motor temperature of each pump is monitored, so that the safety of each pump is improved, and the safety of a power distribution cabinet is further improved; in addition, an operator can control the operation of the power distribution cabinet through the human-computer interaction equipment, and the use flexibility of the power distribution cabinet is improved.
By arranging the temperature acquisition board, the switching value IO board, the analog current acquisition board and the main control interface board, each board plays its own role, hierarchical control is realized, the influence of accidental faults of the non-core board on system control is effectively avoided, and the response speed and the control precision of the system are improved.
Oil pump, water pump, transfer pump all have the reserve, can switch the stand-by pump in a flexible way, guarantee the sustainability and the stability of entire system control.
Taking the water pump as an example, suppose that the analog current acquisition board controls the water pump to operate through the switching value IO board, the flow signal output by the water flow sensor received by the analog current acquisition board is smaller than the flow threshold value, which indicates that the water pump idles, the control chip outputs a shutdown signal in time to control the water pump to shut down, and the standby water pump is started and simultaneously sends out an alarm signal, thereby effectively preventing the pump from being damaged due to long-time idling.
In this embodiment, the first communication interface, the second communication interface, the third communication interface, and the fourth communication interface are all CAN bus interfaces, and the communication speed is fast and the stability is good. Each station of the CAN bus adopts a photoelectric isolation design and is connected with each function board to realize data interaction.
In order to facilitate the remote control of the power distribution cabinet, the master control interface board further comprises an external communication interface which is connected with the remote control host to realize data interaction. And both an external communication interface and the CAN adopt an isolation design, and the voltage resistance is 2500V.
The control power distribution cabinet also comprises a gateway; the master control interface board further comprises a 485 interface, an input interface of the gateway is connected with the 485 interface, and an output interface of the gateway is connected with the remote control ring network, so that remote control is realized. The gateway is an MODBUS TCP gateway, RS485 communication from the master control interface board is converted into MODBUS TCP port communication, the gateway is provided with two output interfaces, one interface can be communicated with the display screen to realize data display and parameter setting interaction, and the other interface is provided for the remote control ring network to realize the remote login control function. The display screen can be directly connected with the main control interface board and also can be connected with the output interface of the gateway.
The master control interface board is connected with the alarm, and the master control chip controls the operation of the alarm so as to actively warn the field personnel of the abnormal working state of the control system and improve the safety of the system and the personnel. For example, when the oil level sensor, the liquid level sensor of the liquid distribution box and the liquid level sensor of the liquid conveying box received by the analog current acquisition board are lower than corresponding threshold values, the main control interface board sends out an alarm signal, transmits the alarm signal to the alarm and controls the alarm to give an alarm.
In this embodiment, contactors are respectively disposed on the water pump power supply circuit, the standby water pump power supply circuit, the oil pump power supply circuit, the standby oil pump power supply circuit, the infusion pump power supply circuit, and the standby infusion pump power supply circuit; the switching value output interface controls the action of the main contact of each contactor, so that the on-off of each power supply loop is controlled. Specifically, a water pump contactor is arranged on the water pump power supply circuit, a standby water pump contactor is arranged on the standby water pump power supply circuit, an oil pump contactor is arranged on the oil pump power supply circuit, a standby oil pump contactor is arranged on the standby oil pump power supply circuit, an infusion pump contactor is arranged on the infusion pump power supply circuit, and a standby infusion pump contactor is arranged on the standby infusion pump power supply circuit. By adopting the control mode, the control is simple, the cost is low, and the on-off of the power supply loop can be effectively controlled. The main contact of the contactor is a normally open contact and is connected in series with a power supply loop of a corresponding pump, the switching value output interface controls whether a coil of the contactor is electrified or not, when the coil of the contactor is electrified, the normally open contact of the contactor is closed, the power supply loop is conducted, and the corresponding pump is electrified and operated.
In order to monitor the state of the contactors, the switching value input interface receives an auxiliary contact feedback signal of each contactor. Specifically, in the present embodiment, each contactor is further provided with an auxiliary contact for monitoring the state of the contactor; when the normally open contact (i.e., the main contact) of the contactor is closed, the auxiliary contact is driven to close. One end of the auxiliary contact is connected with a direct-current power supply, and the other end of the auxiliary contact is connected with a switching value input interface of the switching value IO board and sends a contact feedback signal to the switching value input interface; when the auxiliary contact is disconnected, the switching value input interface receives a low level; when the auxiliary contact is closed, the switching value input interface receives a high level; the switching value input interface can acquire the switching state of the contactor according to the received high and low levels, and the method is simple, convenient and high in accuracy. For example, suppose that the switching output interface of the switching IO board controls the normally open contact of the water pump contactor to be closed, but the switching input interface receives a low-level contact feedback signal, which indicates that the water pump contactor is damaged, and the standby water pump can be switched or stopped for maintenance, so that the fault point can be found out quickly and conveniently. In this embodiment, the switching value input interface includes 6 input interfaces, each switching value input interface is connected to an auxiliary contact of a contactor, and the 6 input interfaces correspondingly receive a contact feedback signal of the water pump contactor, a contact feedback signal of the backup water pump contactor, a contact feedback signal of the oil pump contactor, a contact feedback signal of the backup oil pump contactor, a contact feedback signal of the infusion pump contactor, and a contact feedback signal of the backup infusion pump contactor.
In order to further improve the power supply safety, the power supply circuit of the water pump, the power supply circuit of the standby water pump, the power supply circuit of the oil pump, the power supply circuit of the standby oil pump, the power supply circuit of the infusion pump and the power supply circuit of the standby infusion pump are respectively provided with a circuit breaker, so that the pump is prevented from being burnt down due to overlarge current.
In this embodiment, the control power distribution cabinet further includes an ac power supply and a dc power supply.
The alternating current power supply is 380V alternating current power supply and supplies power for the water pump, the standby water pump, the oil pump, the standby oil pump, the infusion pump and the standby infusion pump.
The direct current power supply supplies power for a temperature acquisition board, a switching value IO board, an analog current acquisition board, a main control interface board, a water supply valve, an oil injection valve, an oil return valve, an oil level sensor, a liquid distribution box liquid level sensor, a liquid delivery box liquid level sensor, a liquid distribution box concentration sensor, a liquid delivery box concentration sensor, a water flow sensor, an oil flow sensor, a water pump contactor, a standby water pump contactor, an oil pump contactor, a standby oil pump contactor, an infusion pump contactor and a standby infusion pump contactor. Referring to fig. 2, a switching power supply is arranged in the power distribution cabinet, a 380V alternating current power supply enters an input end of the switching power supply after being filtered by a leakage breaker and a filter, and the switching power supply outputs a 24V direct current power supply after alternating current-direct current conversion of the switching power supply. The filter is designed to prevent the influence of harmonic impact of the power grid and the pump starting and stopping on the work of the switching power supply.
In the power distribution cabinet of this embodiment, the control chip of the analog current collecting board receives the data of each sensor collected by the analog current signal collecting interface, receives the configuration data and the control signal from the main control interface board, receives the contact feedback signal of the switching value IO board, receives the motor temperature signal from the temperature collecting board, processes the received data, generates the control signal, and controls the operation of the water supply valve, the oil injection valve, and the oil return valve, and the power supply of each pump.
The switch board of this embodiment is applied to emulsion concentration ratio control and the distribution use of non-explosion-proof environment, compares in traditional control mode such as according to proportional valve control, and is more intelligent, accurate and the regulation and control of being convenient for. The system uses a hierarchical control panel (a temperature acquisition panel, a switching value IO panel, an analog current acquisition panel and a main control interface board) based on a single chip microcomputer as a control core, and has the functions of monitoring the oil flow, the water flow, the concentration of a liquid distribution box, the concentration of a liquid delivery box, the liquid level of the liquid distribution box, the liquid level of the liquid delivery box and the oil level in real time, automatically controlling an oil pump, a water pump and a liquid delivery pump, and automatically controlling an oil return valve, an oil injection valve and a water supply valve; the system has redundant standby configuration (a standby oil pump, a standby water pump and a standby infusion pump) of various pumps, and ensures the uninterrupted operation of the whole system; the CAN/MODBusTCP data uploading communication control interface is provided, so that a manual and automatic mode based on local control or remote control CAN be realized, and the CAN/MODBusTCP data uploading communication control interface has fault protection and alarm functions; a plurality of data uploading or remote control universal interfaces are provided, so that data connection can be conveniently carried out; the system can be flexibly set through a perfect system interface and rich setting parameters, and a clear system fault alarm prompt is also provided; and the singlechip is used for design, so that the production cost is low.
Based on the design of above-mentioned emulsion concentration ratio control switch board, this embodiment has still provided an emulsion concentration ratio system, include emulsion concentration ratio control switch board, join in marriage liquid case, oil tank, transfusion case etc. see that fig. 3 shows.
A liquid level sensor and a concentration sensor of the liquid distribution box are arranged in the liquid distribution box and are respectively used for detecting the liquid level and the concentration of the liquid in the liquid distribution box; the water inlet of the liquid distribution box is connected with a water supply pipeline C1, the oil inlet of the liquid distribution box is connected with an oil supply pipeline C2, and the liquid delivery port of the liquid distribution box is connected with a liquid delivery pipeline C4.
A water flow sensor f1, a water supply valve, a water pump and a standby water pump are arranged on the water supply pipeline C1; the standby water pump is used for standby, and when the water pump breaks down, the standby water pump is started.
An oil flow sensor f2, an oil filling valve, an oil pump and a backup oil pump are arranged on the oil supply pipeline C2; the backup oil pump is used as a backup, and when the oil pump fails, the backup oil pump is started.
An infusion pump and a standby infusion pump are arranged on the infusion pipeline; the standby infusion pump is used as a standby, and is started when the infusion pump fails.
An oil level sensor is arranged in the oil tank and used for detecting the oil level in the oil tank, and an oil outlet of the oil tank is connected with an oil supply pipeline C2; the oil tank is provided with an oil return port which is connected with an oil return pipeline C3, and an oil return pipeline C3 is connected with the output of the oil pump and the standby oil pump; a return valve is provided in the return line C3.
The transfusion box is internally provided with a transfusion box liquid level sensor and a transfusion box concentration sensor which are respectively used for detecting the liquid level and the concentration of liquid in the transfusion box, and the transfusion box is connected with the transfusion pipeline.
A temperature sensor is arranged on the motor of each pump and used for collecting the temperature of the motor.
The emulsion concentration ratio control power distribution cabinet is used for controlling the power supply and the operation of each sensor, each pump and each valve and controlling the operation of the whole emulsion concentration ratio system. The control chip of the analog current acquisition board of the power distribution cabinet receives the data of each sensor acquired by the analog current signal acquisition interface, receives configuration data and control signals from the main control interface board, receives contact feedback signals of the switching value IO board and receives motor temperature signals from the temperature acquisition board, processes the received data, generates control signals, controls the operation of the water supply valve, the oil injection valve and the oil return valve and the operation of each pump, and realizes the normal operation of the emulsion concentration proportioning system.
The specific structure of the emulsion concentration ratio control power distribution cabinet refers to the detailed description of the above embodiments and the detailed description of the drawings in the specification, and is not repeated herein. The emulsion concentration proportioning system provided with the emulsion concentration proportioning control power distribution cabinet can achieve the same technical effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an emulsion concentration ratio control switch board which characterized in that includes:
the temperature acquisition board comprises a first communication interface and a temperature signal input interface; the temperature signal input interface respectively receives temperature signals of a water pump motor, a standby water pump motor, an oil pump motor, a standby oil pump motor, an infusion pump motor and a standby infusion pump motor;
the switching value IO board comprises a second communication interface, a switching value input interface and a switching value output interface; the switching value output interface respectively controls the on-off of a water pump power supply loop, a standby water pump power supply loop, an oil pump power supply loop, a standby oil pump power supply loop, an infusion pump power supply loop and a standby infusion pump power supply loop;
the analog current acquisition board comprises a third communication interface, a control chip, an analog current signal acquisition interface and an electromagnetic valve driving interface; the analog current signal acquisition interface respectively receives signals acquired by an oil level sensor, a liquid distribution box liquid level sensor, a liquid conveying box liquid level sensor, a liquid distribution box concentration sensor, a liquid conveying box concentration sensor, a water flow sensor and an oil flow sensor; the electromagnetic valve driving interface respectively controls the actions of the water supply valve, the oil filling valve and the oil return valve; the third communication interface is respectively connected with the second communication interface and the first communication interface;
the main control interface board comprises a fourth communication interface, a main control chip and a man-machine interaction interface; the human-computer interaction interface is connected with human-computer interaction equipment; the fourth communication interface is respectively connected with the third communication interface, the second communication interface and the first communication interface.
2. The emulsion concentration ratio control power distribution cabinet according to claim 1, wherein contactors are respectively arranged on the water pump power supply circuit, the standby water pump power supply circuit, the oil pump power supply circuit, the standby oil pump power supply circuit, the infusion pump power supply circuit and the standby infusion pump power supply circuit; and the switching value output interface controls the action of the main contact of each contactor.
3. The emulsion concentration ratio control power distribution cabinet of claim 2, wherein the switching value input interface receives an auxiliary contact feedback signal of each contactor.
4. The emulsion concentration ratio control power distribution cabinet according to claim 1, wherein a circuit breaker is respectively arranged on the water pump power supply circuit, the standby water pump power supply circuit, the oil pump power supply circuit, the standby oil pump power supply circuit, the infusion pump power supply circuit and the standby infusion pump power supply circuit.
5. The emulsion concentration ratio control switch board of claim 1, characterized in that, the control switch board still includes:
the alternating current power supply supplies power for the water pump, the standby water pump, the oil pump, the standby oil pump, the infusion pump and the standby infusion pump;
and the direct-current power supply supplies power for the temperature acquisition board, the switching value IO board, the analog current acquisition board, the main control interface board, the water supply valve, the oil injection valve, the oil return valve, the oil level sensor, the liquid distribution box liquid level sensor, the infusion box liquid level sensor, the liquid distribution box concentration sensor, the infusion box concentration sensor, the water flow sensor and the oil flow sensor.
6. The emulsion concentration ratio control power distribution cabinet of claim 1, wherein the first communication interface, the second communication interface, the third communication interface and the fourth communication interface are CAN bus interfaces.
7. The emulsion concentration ratio control power distribution cabinet of claim 1, wherein the master control interface board further comprises:
and the external communication interface is connected with the remote control host.
8. The emulsion concentration ratio control power distribution cabinet of claim 1, wherein the control power distribution cabinet further comprises a gateway;
the master control interface board further comprises a 485 interface, an input interface of the gateway is connected with the 485 interface, and an output interface of the gateway is connected with the remote control ring network.
9. The emulsion concentration ratio control power distribution cabinet of claim 1, wherein the master control interface board is connected with an alarm.
10. The utility model provides an emulsion concentration ratio system which characterized in that includes:
the emulsion concentrate ratio control power distribution cabinet of any one of claims 1 to 9;
the liquid distribution box is internally provided with a liquid distribution box liquid level sensor and a liquid distribution box concentration sensor; a water inlet of the liquid distribution tank is connected with a water supply pipeline, an oil inlet of the liquid distribution tank is connected with an oil supply pipeline, and a liquid conveying port of the liquid distribution tank is connected with a liquid conveying pipeline; a water flow sensor, a water supply valve, a water pump and a standby water pump are arranged on the water supply pipeline; an oil flow sensor, an oil filling valve, an oil pump and a standby oil pump are arranged on the oil supply pipeline; an infusion pump and a standby infusion pump are arranged on the infusion pipeline;
the oil tank is internally provided with an oil level sensor, and an oil outlet of the oil tank is connected with the oil supply pipeline; the oil tank is provided with an oil return port, the oil return port is connected with an oil return pipeline, and the oil return pipeline is connected with the output of the oil pump and the output of the standby oil pump; an oil return valve is arranged on the oil return pipeline;
and the transfusion box is internally provided with a transfusion box liquid level sensor and a transfusion box concentration sensor, and the transfusion box is connected with the transfusion pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922013682.0U CN210605499U (en) | 2019-11-20 | 2019-11-20 | Emulsion concentration ratio control switch board and emulsion concentration ratio system |
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| CN201922013682.0U CN210605499U (en) | 2019-11-20 | 2019-11-20 | Emulsion concentration ratio control switch board and emulsion concentration ratio system |
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| CN210605499U true CN210605499U (en) | 2020-05-22 |
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| CN201922013682.0U Active CN210605499U (en) | 2019-11-20 | 2019-11-20 | Emulsion concentration ratio control switch board and emulsion concentration ratio system |
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| Country | Link |
|---|---|
| CN (1) | CN210605499U (en) |
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2019
- 2019-11-20 CN CN201922013682.0U patent/CN210605499U/en active Active
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