RU2363031C1 - Production area environmental control device - Google Patents

Abstract

FIELD: instrument making.

SUBSTANCE: invention relates to instrument making and can be used to control production area environments. Proposed device comprises regulator unit, control unit, temperature pickup, noise and illumination pickups. It also includes transducers of signals generated by the temperature, noise and illumination pickups. It incorporates setters of maximum and minimum tolerable temperatures, maximum tolerable noise and maximum tolerable illumination. The device includes comparator for every aforesaid setter and logical elements for every aforesaid controlled parametre. It incorporates the 1^st , 2^nd, 3^rd and 4^th logical elements, read-only memories for all controlled parametres, shift registers and counters of all aforesaid parametres. In compliance with this invention, the proposed device additionally comprises I/O units, communication unit, satellite receiver unit, power supply monitor, power buffer, ADC, real-time clock unit, RAM, nonvolatile memory unit. It incorporates, further on, real-time clock storage battery, relative humidity pickup with amplifier, airflow speed pickup with amplifier, environment heat load intensity pickup with amplifier, carbon oxide concentration pickup with amplifier, sulfur oxide concentration pickup with amplifier, nitrogen oxide concentration pickup with amplifier, ozone concentration pickup with amplifier, town gas concentration pickup with amplifier, power supply voltage pickup with amplifier and power supply.

EFFECT: large amount of collected data, higher quality of gathered data, higher accuracy of environmental control in production areas.

1 dwg

Description

The invention relates to the field of monitoring the parameters of working conditions, in particular to monitoring and controlling the actual levels of physical factors of the production environment, such as temperature, intensity of thermal radiation, relative humidity, air velocity, noise, light, concentration of toxic gases in industrial workplaces enterprises.

A device for controlling the microclimate in storages is known [A.S. 334559, MKI G05D 23/19. The device for controlling the microclimate / R.M. Slavin - publ. in BI 12, 1972], containing the reference unit, converters, temperature sensors.

Its disadvantages are the difficulty of laying a significant number of communication lines, the decrease in accuracy due to errors introduced by the communication lines, the lack of information about the moisture content of the controlled environment.

Also known is a device for controlling temperature and relative humidity [A.S. 691812, MKI G05D 27/02. Device for regulating the temperature and relative humidity in the room / P.N. Grotov - publ. in BI 38, 1979], containing a control unit, converters, temperature and humidity sensors, each of which is connected by a separate three-wire communication line to the control unit.

Its disadvantages are the low accuracy of monitoring the actual level of physical factors of the production environment.

The closest in technical essence to the claimed device is a device for remote monitoring of the parameters of the industrial environment (Patent RU 2279704 C1, G05D 27/02. Device for remote monitoring of the parameters of the industrial environment / E.M. Sokolov - published in Bul. No. 19, 2006), containing a control unit, temperature, light and noise sensors, converters of noise and light signals for each sensor, setters of maximum and minimum temperature values, a setter of maximum permissible levels of light and noise, a comparator to zhdy dial, logic elements for each controllable factor, read only memory, the values of counters temperature, noise, illumination, signal generator.

Its disadvantages are the insufficient amount of information collected, the inability to store information for a long time, the lack of information on the chemical composition of air, the lack of reference of measured values of production factors to time and coordinates.

The approach proposed by this technical solution allows you to change the methodology for assessing the performance of the working environment. Indications are recorded in memory at small discrete time intervals, then the information is transmitted to a PC, where it is processed, and the results obtained make it possible to evaluate not only the one-time state of the production environment, but its changes during the work shift. The proposed device will allow you to record, store for a long time and display the collected information about the state of the production environment, as well as about the time and coordinates of the measurements both on the output unit of the device itself and on the personal computer. The information collected will also be protected against accidental deletion in the event of a power loss.

This is achieved by the fact that in a device containing a noise sensor and an ambient light sensor, noise and light signal converters for each sensor, maximum and minimum temperature settings, a maximum noise level adjuster, a maximum allowable light level adjuster, a comparator for each maximum permissible value adjuster measured parameters (temperature, noise, illumination), logical elements for each controlled factor (first logical element, second logical element, third log logical element, fourth logical element), a permanent storage device for maximum temperature values, a permanent storage device for minimum temperature values, a permanent storage device for noise levels, a permanent storage device for light levels, shift registers, which in turn are connected to a control unit, and a signal generator, additionally introduced a sensor of the intensity of the thermal load of the medium, a sensor of relative humidity, a sensor of concentration of carbon monoxide, a sensor of conc sulfur dioxide concentration, nitric oxide concentration sensor, ozone concentration sensor, urban gas concentration sensor, power supply voltage sensor, signal amplifiers for each measured parameter (intensity of thermal load of the medium, relative humidity, carbon monoxide concentration, sulfur dioxide concentration, nitric oxide concentration, ozone concentration, urban gas concentration, power supply voltage), analog-to-digital converter, satellite receiver, real-time clock unit, input unit, bl to output the communication unit with a PC, the power monitor, the power buffer operative memory, nonvolatile memory.

The invention is illustrated in the drawing, which shows a structural diagram of a device for monitoring the parameters of the production environment.

The device comprises a control unit 1, to the input 1 of which the outputs of the shift registers 2, 3, 4, 5 are connected.

The following elements are connected to the shift registers: to the shift register 2, the counter of maximum temperature values 6 and a read-only memory device 7, to the shift register 3 - the counter of minimum temperature values 8 and the read-only memory device 9, to the shift register 4 - the counter of values of noise levels 10 and read-only memory 11, to the shift register 5 - counter values of the levels of illumination 12 and read-only memory 13.

The outputs of the following elements are connected to the inputs of the counters of the values of the physical factors of the production environment: the first logic element 14 is connected to the counter 6, the second logic element 15 is connected to the counter 8, the third logic element 16 is connected to the counter 10, and the fourth logic element 17 is connected to the counter 12 to the counter.

The inputs of the counters are connected by wire lines to the output of the control unit 18, to the input 1 of which, respectively, a signal generator 19 is connected.

The logical elements included in the structure of the system 14, 15, 16, 17 are interconnected, and the following elements are connected to them: comparator 20 has an output to the first logical element 14, comparator 21 to the second logical element 15, comparator 22 to the third logical element 16, a comparator 23 to the fourth logic element 17, the inputs of the logic elements are connected to the output 1 of the signal generator 19.

At the same time, the inputs of the comparators are connected: to the input of the comparator 20 - the output of the setpoint for maximum temperature values 24, to the input of the comparator 21 - the output of the setter of minimum temperature values 25, as well as to both inputs of the comparators 20, 21, the signal converter 26. The input of the comparator 22 is connected with the output of the master of the maximum permissible noise level 27, the signal converter 28. At the input of the comparator 23 there are outputs of the master of the maximum permissible level of illumination 29 and the signal converter 30.

The values of the factors of the working environment are recorded by temperature sensors 31, noise levels 32, light levels 33. The signal from the sensors is transmitted to signal converters. This is achieved by connecting the output of the temperature sensor 31 with the signal converter 26, the output of the noise level sensor 32 with the input of the signal converter 28, the output of the light level sensor 33 with the input of the signal converter 30.

An information input unit 34, an information output unit 35, is also connected to the control unit 1, by which the information obtained is visualized. Communication with a computer is carried out by a communication unit with a personal computer 36 connected to the input-output 1 of the control unit 1.

To the input-output 2 of the control unit is connected to the input-output 1 of the control unit 18, which allows you to synchronize, receive data and output them to the information output unit 35 and to the communication unit with a personal computer 36.

A satellite receiver unit 37 is attached to the input 2 of the control unit 18, which makes it possible to fix the current coordinates and output them using the control unit 1 to the information output unit 35.

To the input 3 of the control unit 18 is connected to the power monitor unit 38.

An input buffer 39 is connected to the input 4 of the control unit 18.

To the output 1 of the control unit 18 is connected to the input 1 of the block of the analog-to-digital converter 40.

The control unit 18 through the input-output 2 is also connected with the real-time clock unit 41, which allows you to continuously record the current time and output it using the control unit 1 to the output unit 35.

All measured parameters are recorded in the RAM block 42 connected to the control unit 18 through the output 2 of the control unit and the input-output 3 of the control unit.

The control unit 18 is also connected with the non-volatile memory unit 43 through the output 2 of the control unit and the input-output 4 of the control unit.

The real-time clock unit 41 is connected to the battery power of the real-time clock 44, which ensures the storage of temporary data.

The device also contains a relative humidity sensor 45, the output of which is connected to the input of the signal amplifier of the sensor of relative humidity 46, an air velocity sensor 47, to the output of which is connected to the input of the signal amplifier of the air speed sensor 48, a sensor of the level of heat load of the medium 49, to the output of which an input of an amplifier of a signal of a sensor of an intensity level of a thermal load of a medium 50 is connected, a sensor of a concentration of carbon monoxide 51, to an output of which an input of an amplifier of a sensor signal is connected carbon monoxide concentration 52, a sulfur dioxide concentration sensor 53, to the output of which an input of an amplifier of a signal of a sulfur dioxide concentration sensor 54, a nitric oxide concentration sensor 55, to an output of which an input of an amplifier of a signal of a nitric oxide concentration sensor 56, an ozone concentration sensor 57 is connected to an output which is connected to the input of the signal amplifier of the ozone concentration sensor 58, the urban gas concentration sensor 59, to the output of which is connected to the input of the signal amplifier of the urban gas concentration sensor 60, voltage of the power source 61, the output of which is connected to the input of the amplifier of the signal of the voltage sensor of the power source 62.

To the input 2 of the analog-to-digital converter 40 is connected the output of the signal amplifier of the relative humidity sensor 46, to the input 3 is the output of the signal amplifier of the air velocity sensor 48, the input 4 is connected to the output of the signal amplifier of the sensor for the level of the heat load of the medium 50, and the input 5 is connected to the output the signal amplifier of the carbon monoxide concentration sensor 52, the output of the signal amplifier of the sulfur dioxide concentration sensor 54 is connected to input 6, and the output of the amplifier of the signal of the oxygen concentration sensor is connected to input 7 and nitrogen 56 is connected to the input 8 of the amplifier output signal ozone concentration sensor 58, 9 connected to the input of the sensor signal amplifier concentration ozone output 60, 10 connected to the input voltage source amplifier output power sensor 62.

To the input-output 1 of the analog-to-digital Converter 40 is connected to the input-output 5 of the control unit 18.

The power monitor 38, the power buffer 39, and the voltage sensor of the power source 61 are connected to the power source 63.

The signal generator 19 is connected to a block of an analog-to-digital converter 40, as well as to a block of real-time clock 41, a block of random access memory 42, and a non-volatile memory block 43.

The power buffer 39 provides power to the control unit 18, the random access memory unit 42, and the non-volatile memory unit 43.

A device for monitoring the parameters of working conditions is as follows.

After supplying power, the signal generator 19 begins to generate electrical signals, a temperature sensor 31, noise level 32, light level 33 begin to measure the actual level of physical factors of the production environment. From them, the measurement information is fed to the signal transducers of the temperature sensors 26, noise 28, light 30. After a certain period of time at the output of the signal converters from the temperature sensors 31, noise 32, light 33, a digital code will appear corresponding to the value of the signal read from the sensors. At this point, the comparators 20, 21, 22, 23 compare the signal received from the primary signal converters and the information from the key settings of the critical values of the measured factors: the maximum temperature value 24, the minimum temperature value 25, the maximum value of noise levels 27, the minimum value of light levels 29 Depending on the results of comparing the actual level of temperature, noise, illumination with their critical values read from the setters, the signal is transmitted to logic elements 14, 15, 16, 17, if the actual The factor's factor level is beyond the extreme values and is not transmitted if they are normal. The signals coming from the logic elements are read by counters 6, 8, 10, 12. The received information is stored by the permanent storage devices 7, 9, 11, 13. The data stored in the permanent storage devices are processed (scaling, filtering, etc. necessary transformations), and then they are recorded in shift registers 2, 3, 4, 5, which encode data and transfer them via communication lines to control unit 1. Information on exceeding the allowable levels of medium parameters from the control unit is sent to output unit 35. After the end of Data transfer, shift registers go into standby mode.

At the same time as measuring the excess of the permissible temperature, light, noise levels described above, a digital relative humidity sensor 45, an air velocity sensor 47, an ambient heat load intensity sensor 49, a carbon monoxide concentration sensor 51, a sulfur dioxide concentration sensor 53, an oxide concentration sensor nitrogen 55, an ozone concentration sensor 57, an urban gas concentration sensor 59 measure the actual values of the levels of factors of the working environment, which are then amplified by the corresponding pre educators 50, 52, 54, 56, 58, 60 and are transmitted to the corresponding inputs of the analog-to-digital converter 40. The voltage sensor of the power supply 61 measures the voltage values of the power supply 63, the measured values are amplified in the converter 62 and transmitted to the input 10 of the analog-to-digital converter 40.

The communication lines of the signal generator 19 with the real-time clock block 41, with the RAM block 42 and the non-volatile memory block 43 provide synchronization of the entire system.

Processed in the analog-to-digital Converter 40 values of the parameters of the medium in a digital code through the input-output 1 of the analog-to-digital Converter 40 are transmitted to the input-output 5 of the control unit 18. The control unit 18 captures each received value from each sensor received on the corresponding analog channel digital converter 40, as well as the coordinate of measurements taken from the satellite receiver unit 37, and the measurement time obtained from the real-time clock unit 41, and then sends the data to the operational memory unit 42.

At the request of the user transmitted by the control unit 1 from the input unit 34, the control unit 18 extracts data from the random access memory unit 42 and forwards it through the control unit to the information output unit 35 or (at the request of the PC) to the communication unit with the personal computer 36.

The signal about the state of the power source 63 is supplied to the power monitor 38, in the event of a voltage failure detected by the voltage sensor of the power source 61 on the power source 63, the power monitor 38 generates a control signal for the control unit 18. After this signal is input to the input 3 of the control unit 18, the block control 18 switches to an algorithm for emergency storage of recorded information from the random access memory block to the non-volatile memory block. The emergency saving algorithm allows the control unit 18 to activate the power buffer 39, which supports the operation of the control unit 18, the non-volatile memory block 43 and the random access memory block 42 during the discharge time of the power buffer capacitor 39. The presence of the emergency information storage algorithm allows the information to be stored during the discharge time of the capacitor from the block of RAM 42 to the block of non-volatile memory 43, which allows to protect the received data from loss.

The battery power of the real-time clock 44 allows you to save the set samples of the date and time even in the event of a power failure in the power source 63 and the power buffer 39.

Thus, in the device for remote monitoring of the parameters of the production environment, there are information input and output units, a PC communication unit, a real-time clock unit that synchronizes the incoming information, a satellite receiver unit that fixes the coordinates of the measurements, an analog-to-digital converter, and operational and non-volatile units memory, ensuring the preservation of information, signal amplifiers of the respective sensors and sensors of the parameters of the production environment.

Sensors of toxic gas concentrations allow us to evaluate the chemical composition of the air in the production environment.

The power source, power buffer, power monitor, voltage sensor at the power source and non-volatile memory device included in the device provide uninterrupted operation of the device and increase the reliability of receiving and storing the accumulated information.

Claims (1)

A device for monitoring the parameters of the industrial environment, comprising a control unit, a control unit, a temperature sensor, a noise sensor and an ambient light sensor, transducers of temperature, noise, and light signals for each sensor, maximum and minimum temperature settings, a maximum noise level controller, a maximum temperature controller illumination, a comparator for each setpoint of the maximum permissible values of the measured parameters of temperature, noise, illumination, logic elements for each control factor, first logical element, second logical element, third logical element, fourth logical element, permanent storage device for maximum temperature values, permanent storage device for minimum temperature values, permanent storage device for noise levels, permanent storage device for light levels, shift registers, counter of maximum temperature values, counter of minimum temperature values, counter of values of noise levels, counter of values of lighting levels A signal generator, characterized in that it contains an input unit, an output unit, a communication unit, a satellite receiver unit, a power monitor, a power buffer, an analog-to-digital converter, a real-time clock unit, a random access memory unit, a non-volatile memory unit, a battery real-time clock power supply, relative humidity sensor, relative humidity sensor signal amplifier, air speed sensor, air speed sensor signal amplifier, medium heat load intensity sensor, signal amplifier of the sensor for the intensity of the heat load of the medium, carbon monoxide concentration sensor, signal amplifier of the carbon monoxide concentration sensor, sulfur dioxide concentration sensor, signal amplifier of the sulfur dioxide concentration sensor, nitric oxide concentration sensor, signal amplifier of the nitric oxide concentration sensor, ozone concentration sensor, signal amplifier ozone concentration sensor, urban gas concentration sensor, urban gas sensor signal amplifier, power supply voltage sensor, amplifier with the needle of the voltage sensor of the power source, the power source, and the control unit is connected to the shift registers, the inputs of which are connected to the outputs of the permanent storage devices, and the inputs of the shift registers are connected respectively to the outputs of the counter of maximum temperature, counter of minimum temperature, counter of noise, counter illumination values, to the inputs of which the output of the first logical element, the second logical element, the third logical element, the fourth l of the logic element, and the outputs of the comparators are respectively connected to the inputs of the logic elements, in turn, all four logic elements are connected to each other and to the output of the signal generator, the outputs of the shift registers are connected to the input of the control unit, the outputs of the control unit are also connected to the input of the maximum temperature counter , a counter of minimum temperature values, a counter of values of noise levels, a counter of values of light levels, with inputs of a permanent storage device of maximum values values of temperature, read-only memory of minimum temperature values, read-only memory of noise, read-only memory of brightness values, the inputs of the converters, in turn, are connected to the outputs of the sensors, namely: the output of the temperature sensor is connected to the input of the temperature signal converter, the output of the sensor noise with the input of the noise signal converter, the output of the light sensor with the input of the light signal converter, the latter are connected to the inputs of the corresponding mparators with which converters and outputs of the controllers are also connected, namely: the output of the setpoint for maximum values of temperature, the output of setter of minimum values of temperature, the output of setter of maximum values of noise, the output of setter of minimum values of illumination, the outputs of the control unit are connected to the input of the analog-to-digital converter, with input RAM unit, non-volatile memory unit, the control unit inputs are connected to the output of the satellite receiver unit, power monitor, power buffer, the last stroke is connected to the input of the RAM block, to the input of the non-volatile memory block, and the power source is connected to the inputs of the power monitor and the power buffer, the voltage source voltage sensor is connected to the output of the latter, the control unit is also connected to the output of the signal generator, which, in turn, , connected to the input of an analog-to-digital converter, with the input of the real-time clock block, with the input of the RAM block, with the input of the non-volatile memory block, the inputs and outputs of the control unit They are connected to the control unit, and the input of the latter is connected to the output of the input unit, the output of the control unit is connected to the input of the output unit, and the inputs and outputs of the control unit are connected to the input-output of the communication unit with a personal computer, the inputs and outputs of the control unit are also connected to the inputs - the outputs of the analog-to-digital converter, the RAM block, the non-volatile memory block, the real-time clock block, the output of the power battery is connected to the input of the latter, the outputs of the analogue-to-digital converter are connected sensors, the inputs of the amplifiers, in turn, are connected respectively to the outputs of the sensors.