RU15020U1 - TEPLOENERGOKONTROLLER - Google Patents

Abstract

A heat and energy controller containing a multiplexer connected by its output to an analog-to-digital converter, which is connected by its output to a computing unit, the first and second outputs of which are connected to an indication unit and a computer connection port, characterized in that an optical isolation unit, a counter unit are inserted therein and period meters, a backup power source, a timer and a port for connecting the device to a common network, while the output of the optical isolation unit is connected to the input of the block of meters and period meters, and the output of the latter is connected to one of the inputs of the computing unit, and the output of the timer is connected to the other input of the computing unit, the output of the backup power source being connected to the input of the external storage device, and the third output of the computing unit connected to the port connecting the device to the network.

Description

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TESH1OENERGOKONTULER

The utility model relates to information-measuring equipment, namely, devices for calculating and recording heat and power parameters, which have a complex dependence on a number of input conditions, by signals from several primary converters (for example, steam flow), and also for recording simple heat and power quantities (temperature , pressure, water consumption, etc.) and the transmission of information to an automated data collection system.

A device is known for metering thermal energy when the heat carrier flow is in the inlet and outlet pipelines (Pat. S1CA No. 1485041, IPC G01K 17 / 16.198989), which contains the amount of coolant, the temperature of the coolant, analog-code converters, memory registers , multiplication and subtraction unit, clock generator and integrator.

A disadvantage of the known device for accounting for thermal energy is the inability to take into account the efficiency of the source of thermal energy.

The closest to the utility model in technical essence is a device for accounting for thermal energy, which contains two sensors for the amount of coolant installed in the inlet and outlet pipelines, three temperature sensors for the coolant installed in the inlet, make-up and outlet pipelines, gas quantity sensor, pressure sensor gas and gas temperature sensor installed in the gas pipeline at the inlet of the heat supply source. Switch, analog-code converter, memory unit, computing unit, keyboard unit, display unit, print output unit, information transfer unit. (Pat. RF JNf92085875 IPC G01 K 17/16, 1993) The device provides additional metering of gas flow at the inlet of the heat supply source, as well as the efficiency of the heat supply source.

The disadvantages of the known device is the impossibility of calculating and registering technical parameters that have a complex dependence on a number of input conditions by signals from several nqpBH4 converters.

The technical result of the utility model consists in providing calculation and recording of heat energy parameters having a complex dependence on a number of input parameters, having a complex dependence on a number of input conditions, by signals from several primary converters (for example, steam flow rate), and also for recording simple heat energy values ( temperature, pressure, water flow, etc.) and information transfer to an automated data collection system.

  About MroCG01K17 / 16

The result is achieved in that the heat and power controller containing a multiplexer connected by its output to an analog-to-digital converter, which is connected by its output to the computing unit, the first and second outputs of which are connected to the display unit and the port for connecting a computer, an optical isolation unit, a block of meters and meters are additionally introduced Pfiodov, a backup power supply, a timer and a port for connecting the device to a common network, while the output of the optical isolation unit is connected to the input of the counter and ismfi unit firs period, and the output of the latter is connected to one input of the computing unit and the output of sea trout - k; fugomu input of the computing unit, wherein the backup power supply output is connected to the input of an external storage device, and the third output computing unit is connected to the port unit connected to the network.

The drawing shows a block diagram of a hardware controller. TeploznergokontrollerSFig), contains a multiplexer 1, connected by its output to the analog-to-digital converter 2, which is connected by its output to the computing unit 3, the first and second outputs of which are connected to the indicating unit 4 and port 5 for connecting the computer. An optical block 6, a block of meters and period meters 7, a backup power supply 8, a timer 9 and a port 10 for connecting the device to a common network are additionally introduced into the device, while the output of the optical isolation unit 6 is connected to the input of the block of meters and period 7 meters and the output of the latter is connected to one of the inputs of the processing unit 3, and the output of the timer 9 is connected to the other input of the computing unit 3, and the output of the backup P1ggania 8 is connected to the input of the external storage device 11, and the third output of the computing bla1a 3 is connected to port 10 connecting the device to the network.

The heat power controller IM2300 (hereinafter referred to as the device) contains: Multiplexer (MX);

Analog - Digital Converter (ADC); Optical isolation unit; Block of counters and period meters (PIC); Computing Unit (CPU); Timer based on a square core generator; External storage device RAM; IRP backup power source; 8-bit LCD indicator; RS232 serial port; RS485 serial port.

The device operates as follows.

The analogue measuring channels are connected to the ADC (2), executed on the voltage-frequency converter (IC) KR1108ShT1, using the multiplexer (1), which consists of two chips MX1 and MX2. The inputs of MX1 are supplied with the voltage of the reference source Ue and a zero level, which are used for auto-calibration of unified channels, the next input MX2 is used to connect the temperature measuring unit (BIT). The MX2 inputs are mostly used in two measuring channels of the BIT (resistance thermometers are connected). The converted SIGNS1 with the ADC (2) is received and processed in the CPU (3).

Frequency signals from the primary converters (not shown in the diagram) of the flow rate of an electromagnetic, vortex, turbine, or other type having a pulse output with a frequency of 2 kHz and lower are supplied to the device via an optocoupler unit (6) and processed in a PIC unit (7), which implemented on PIC - controllers and connected to the CPU (3) via the I2C bus. Block Р1С (7) counts the pulses coming from the flow sensors (not shown in the diagram), calculates the pulse repetition period and transfers data to the SRCHZ every second), where the current flow rate and totalization in the volume (mass) counter are calculated.

CPU (3) is executed on a KR1830VB31 (Р8031ВН) microcomputer, controls blocks 4, 5, 10, 11, and processes signals from blocks: 2 and 7.

The measurement results are stored in RAM (I) and displayed on the LCD indicator 4. The leftmost digit of indicator 4 displays the channel number, six right digits indicate the value of the parameters in the selected channel.

The timer 9, connected to the IRP (8), which uses the K58-5 ionistor, generates a signal with a period of 1 second, which is received at the interrupt input. This signal processes the information received from the measurement unit and starts a new measurement cycle.

The RS232 port (5) is used to program the heat power controller or read the accumulated data from RAM at the installation site using a NOTEBOOK or PALMTOP PC.

The RS485 port (10) is used to connect the device to a network running a PC.

Data protection during power off is carried out by switching RAM (11) to the IRP (8).

Claims (1)

A heat and power controller containing a multiplexer connected by its output to an analog-to-digital converter, which is connected by its output to a computing unit, the first and second outputs of which are connected to an indication unit and a computer connection port, characterized in that an optical isolation unit, a counter unit are inserted therein and period meters, a backup power source, a timer and a port for connecting the device to a common network, while the output of the optical isolation unit is connected to the input of the block of meters and period meters, and the output of the latter is connected to one of the inputs of the computing unit, and the output of the timer is connected to the other input of the computing unit, the output of the backup power supply being connected to the input of the external storage device, and the third output of the computing unit connected to the port connecting the device to the network.