阅读说明：本技术 一种用于硼表化学滴定的人机交互方法及装置 (Man-machine interaction method and device for boron meter chemical titration ) 是由 代航阳 崔璨 邓圣 王广金 王璨辉 付国恩 踪训成 王红波 郭燕 于 2021-06-23 设计创作，主要内容包括：本发明公开了一种用于硼表化学滴定的人机交互方法及装置,该方法通过获取主机发送的溶液配置指令,并根据溶液配置指令携带的配置硼浓度组别代码和当前标定点标识进行溶液配置,当溶液配置完成则生成溶液配置完成标识并发送给主机,以使主机基于溶液配置完成标识发送取样滴定指令,基于取样滴定指令进行溶液取样和化学滴定,当溶液取样完成且化学滴定完成,则生成取样滴定结束指令,并发送滴定硼浓度数值给主机,提高操作准确性和硼表校准效率。(The invention discloses a man-machine interaction method and a man-machine interaction device for boron meter chemical titration, the method comprises the steps of obtaining a solution configuration instruction sent by a host, performing solution configuration according to a configuration boron concentration group code carried by the solution configuration instruction and a current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed and sending the solution configuration completion identifier to the host, so that the host sends a sampling titration instruction based on the solution configuration completion identifier, performs solution sampling and chemical titration based on the sampling titration instruction, and generates a sampling titration completion instruction and sends a titration boron concentration value to the host when the solution sampling is completed and the chemical titration is completed, thereby improving the operation accuracy and the boron meter calibration efficiency.)

1. A man-machine interaction method for chemical titration of a boron meter is characterized by comprising the following steps executed from a slave machine:

acquiring a solution configuration instruction sent by a host, wherein the solution configuration instruction carries a configuration boron concentration group code and a current calibration point identifier;

determining a boron meter measuring range based on the configured boron concentration group code, configuring a solution according to the boron meter measuring range and the current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed, and sending the solution configuration completion identifier to a host computer so that the host computer sends a sampling titration instruction based on the solution configuration completion identifier;

and carrying out solution sampling and chemical titration based on the sampling titration instruction, generating a sampling titration ending instruction when the solution sampling is completed and the chemical titration is completed, and sending an actual titration boron concentration numerical value to the host to complete the chemical titration.

2. The human-computer interaction method for boron meter chemical titration according to claim 1, wherein the solution configuration according to the boron meter measurement range and the current calibration point identification comprises:

acquiring the concentration of currently configured boron, and calculating the configuration volume of the boron solution by combining the initial boron concentration and the initial boron solution volume; wherein the current configuration boron concentration refers to the theoretical boron concentration under the current replacement times;

and displaying the configured boron concentration group code and the configured volume of the boron solution so that a worker can configure the solution according to the configured boron concentration group code and the container volume.

3. The human-computer interaction method for boron meter chemical titration according to claim 2, wherein the formula for calculating the configured volume of the boron solution is specifically:

wherein, P₀Is an initial boron concentration, V₀Is the initial boron solution volume in the loop, V_dIs the prepared volume of boron solution, n is the number of times of replacement, X_nAnd the corresponding theoretical boron concentration when the current replacement frequency is n.

4. The human-computer interaction method for boron meter chemical titration according to claim 1, wherein the sampling titration instruction comprises a currently configured boron concentration serial number;

the sampling titration instruction based solution sampling and chemical titration comprises:

controlling an indicator lamp of a titration starting state to be turned on based on the sampling titration instruction, and generating a voice for starting titration so as to prompt a titrator to start solution sampling and chemical titration;

after titration personnel finish solution sampling and chemical titration, acquiring a titration boron concentration numerical value and a sampling titration end instruction input by the titration personnel, and controlling an indicator lamp of a titration end state to be turned on based on the sampling titration end instruction.

5. The human-computer interaction method for boron meter chemical titration according to claim 1, wherein the human-computer interaction method for boron meter chemical titration further comprises the following steps executed by the host computer:

and after receiving the solution configuration completion identification sent by the slave machine, determining the stable condition of the neutron counting rate corresponding to the current calibration point identification, and when the neutron counting rate is stable, generating a sampling titration instruction.

6. The human-computer interaction method for boron meter chemical titration according to claim 1, wherein the communication frame format of the host comprises slave addresses, function codes, start address high bytes, start address low bytes, register number high bytes, register number low bytes, byte number, neutron count rate, slave information, configuration boron concentration group codes, calibration point identification and CRC validation codes.

7. The human-computer interaction method for chemical titration of the boron meter according to claim 1, wherein the communication frame format of the slave machine comprises slave machine address, function code, data length, titration boron concentration value, slave machine information and CRC check code.

8. A man-machine interaction device for chemical titration of a boron meter is characterized by comprising a host machine and a slave machine, wherein the host machine is secondary boron meter measuring equipment, and the slave machine comprises a communication module, a solution configuration module and a sampling titration module;

the communication module is used for acquiring a solution configuration instruction sent by the host, wherein the solution configuration instruction carries a configuration boron concentration group code and a current calibration point identifier;

the solution preparation module is used for determining a boron meter measurement range based on the configured boron concentration group code, performing solution configuration according to the boron meter measurement range and the current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed, and sending the solution configuration completion identifier to the host computer so that the host computer sends a sampling titration instruction based on the solution configuration completion identifier;

and the sampling titration module is used for carrying out solution sampling and chemical titration based on the sampling titration instruction transmitted by the communication module, generating a sampling titration ending instruction when the solution sampling is completed and the chemical titration is completed, and sending an actual titration boron concentration value to the host to complete the chemical titration.

9. The human-computer interaction device for boron meter chemical titration according to claim 8, wherein the human-computer interaction device for boron meter chemical titration further comprises:

and the boron meter secondary measurement equipment is used for determining the stable condition of the neutron counting rate of the current calibration point identification after receiving the solution configuration completion identification sent by the solution configuration module through the remote communication module, and generating a sampling titration instruction when the neutron counting rate is stable.

10. The human-computer interaction device for boron meter chemical titration according to claim 8, wherein the master machine and the slave machine are communicated through an RS485 bus, an RS232 bus or a TCP/IP.

Technical Field

The invention relates to the technical field of nuclear power, in particular to a man-machine interaction method and a man-machine interaction device for chemical titration of a boron meter.

Background

The pressurized water reactor nuclear power station is a reactor which runs by carrying boron, and the aim of controlling the reactivity is achieved by controlling the concentration of boric acid in a coolant of a primary loop. Therefore, the boron meter for monitoring the boron concentration plays an important role in the operation and control of the pressurized water reactor nuclear power plant. However, the measurement of boron concentration is subject to some degree of deviation due to the effects of decay of the neutron source in the boron meter equipment, changes in the performance of the detector and electronics, etc., and therefore, the boron meter needs to be recalibrated (calibrated) during each overhaul of the nuclear power plant.

During calibration, the boron meter is fitted with the corresponding chemical titration boron concentration through the measured neutron counting rate, so that a calibration coefficient is calculated, and the purpose of correcting the boron meter is achieved. In the calibration process at the present stage, chemical titration personnel can only communicate with boron meter calibration personnel in a telephone mode to complete data acquisition, solution preparation and test communication. The manual titration seriously influences the efficiency of chemical titration personnel, the situation of data acquisition error is also inevitable, and the accuracy and the efficiency of boron meter calibration cannot be ensured.

Disclosure of Invention

The invention aims to solve the technical problems that the whole process of the existing boron meter calibration process is manually operated and communicated, and the accuracy and the calibration efficiency are not high, so that the invention provides the man-machine interaction method and the device for the chemical titration of the boron meter.

The invention is realized by the following technical scheme:

a man-machine interaction method for chemical titration of a boron meter comprises the following steps executed from a slave machine:

acquiring a solution configuration instruction sent by a host, wherein the solution configuration instruction carries a configuration boron concentration group code and a current calibration point identifier;

determining a boron meter measuring range based on the configured boron concentration group code, configuring a solution according to the boron meter measuring range and the current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed, and sending the solution configuration completion identifier to a host computer so that the host computer sends a sampling titration instruction based on the solution configuration completion identifier;

and carrying out solution sampling and chemical titration based on the sampling titration instruction, generating a sampling titration ending instruction when the solution sampling is completed and the chemical titration is completed, and sending an actual titration boron concentration numerical value to the host to complete the chemical titration.

Further, the solution preparation according to the boron meter measurement range and the current calibration point identifier includes:

acquiring the concentration of currently configured boron, and calculating the configuration volume of the boron solution by combining the initial boron concentration and the initial boron solution volume; wherein the current configuration boron concentration refers to the theoretical boron concentration under the current replacement times;

and displaying the configured boron concentration group code and the configured volume of the boron solution so that a worker can configure the solution according to the configured boron concentration group code and the container volume.

Further, the formula for calculating the configured volume of the boron solution is specifically as follows:

wherein, P₀Is an initial boron concentration, V₀Is the initial boron solution volume in the loop, V_dIs the prepared volume of boron solution, n is the number of times of replacement, X_nWhen the current replacement number is n, corresponding toThe theoretical boron concentration of (1).

Further, the sampling titration instruction comprises a currently configured boron concentration serial number;

the sampling titration instruction based solution sampling and chemical titration comprises:

controlling an indicator lamp of a titration starting state to be turned on based on the sampling titration instruction, and generating a voice for starting titration so as to prompt a titrator to start solution sampling and chemical titration;

after titration personnel finish solution sampling and chemical titration, acquiring a titration boron concentration numerical value and a sampling titration end instruction input by the titration personnel, and controlling an indicator lamp of a titration end state to be turned on based on the sampling titration end instruction.

Further, the man-machine interaction method for the chemical titration of the boron meter further comprises the following steps executed by the host computer:

and after receiving the solution configuration completion identification sent by the slave machine, determining the stable condition of the neutron counting rate corresponding to the current calibration point identification, and when the neutron counting rate is stable, generating a sampling titration instruction.

Further, the communication frame format of the host includes slave address, function code, start address high byte, start address low byte, register number high byte, register number low byte, byte number, neutron count rate, slave information, configuration boron concentration group code, calibration point identifier and CRC validation code.

Furthermore, the communication frame format of the slave machine comprises a slave machine address, a function code, a data length, a titration boron concentration value, slave machine information and a CRC check code.

A man-machine interaction device for chemical titration of a boron meter comprises a host machine and a slave machine, wherein the host machine is secondary boron meter measuring equipment, and the slave machine comprises a communication module, a solution configuration module and a sampling titration module;

the communication module is used for acquiring a solution configuration instruction sent by the host, wherein the solution configuration instruction carries a configuration boron concentration group code and a current calibration point identifier;

the solution preparation module is used for determining a boron meter measurement range based on the configured boron concentration group code, performing solution configuration according to the boron meter measurement range and the current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed, and sending the solution configuration completion identifier to the host computer so that the host computer sends a sampling titration instruction based on the solution configuration completion identifier;

and the sampling titration module is used for carrying out solution sampling and chemical titration based on the sampling titration instruction transmitted by the communication module, generating a sampling titration ending instruction when the solution sampling is completed and the chemical titration is completed, and sending an actual titration boron concentration value to the host to complete the chemical titration.

Further, the human-computer interaction device for the chemical titration of the boron meter further comprises:

and the boron meter secondary measurement equipment is used for determining the stable condition of the neutron counting rate of the current calibration point identification after receiving the solution configuration completion identification sent by the solution configuration module through the remote communication module, and generating a sampling titration instruction when the neutron counting rate is stable.

Further, the master machine and the slave machine are communicated through an RS485 bus, an RS232 bus or a TCP/IP.

According to the man-machine interaction method and device for boron meter chemical titration, the solution configuration instruction sent by the host is obtained, solution configuration is carried out according to the configuration boron concentration group code carried by the solution configuration instruction and the current calibration point identification, when the solution configuration is completed, the solution configuration completion identification is generated and sent to the host, so that the host sends the sampling titration instruction based on the solution configuration completion identification, solution sampling and chemical titration are carried out based on the sampling titration instruction, when the solution sampling is completed and the chemical titration is completed, the sampling titration completion instruction is generated, and the titration boron concentration value is sent to the host, and therefore the operation accuracy and the boron meter calibration efficiency are improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a flow chart of a human-computer interaction method for boron meter chemical titration according to the present invention;

FIG. 2 is a schematic diagram of a human-computer interaction device for chemical titration of a boron meter according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

In the embodiment, based on a field bus communication technology, a Modbus RTU mode is adopted, a boron meter secondary measurement device is used as a host, and a human-computer interaction terminal provided with a communication module, a solution configuration module, a sampling titration module and a data processing module is used as a slave.

Specifically, the information convention for communication between the master and the slave in this embodiment is shown in table 1:

TABLE 1

As shown in fig. 1, a man-machine interaction method for chemical titration of boron meter comprises the following steps executed from a computer:

s11: and acquiring a solution configuration instruction sent by the host, wherein the solution configuration instruction carries a configuration boron concentration group code and a current calibration point identifier.

S12: and determining a boron meter measuring range based on the configured boron concentration group code, performing solution configuration according to the boron meter measuring range and the current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed, and sending the solution configuration completion identifier to the host so that the host sends a sampling titration instruction based on the solution configuration completion identifier.

Specifically, the slave (man-machine interaction terminal) acquires a configured boron concentration group code and a current calibration point identifier sent by a host (namely, boron meter secondary measurement equipment) to perform solution configuration, then displays the solution configuration to a worker, acquires the current configured boron concentration, and calculates the configuration volume of the boron solution by combining the initial boron concentration and the initial boron solution volume; wherein, the current configured boron concentration refers to the theoretical boron concentration under the current replacement times. The formula for calculating the configured volume of the boron solution is specifically as follows:

wherein, P₀Is an initial boron concentration, V₀Is the initial boron solution volume in the loop, V_dIs the prepared volume of boron solution, n is the number of times of replacement, X_nAnd the corresponding theoretical boron concentration when the current replacement frequency is n. By calculating the configuration volume of the boron solution, the whole boron solution configuration time is shortened, and the calibration test efficiency is improved.

After the configuration volume of the boron solution is obtained through calculation, the configuration volume of the boron solution is displayed to a worker, meanwhile, an indicator lamp which shows a configuration starting state is lightened, the worker can start solution configuration through voice prompt, the worker starts solution configuration according to a configuration boron concentration group code and the configuration volume of the boron solution which are prompted and displayed through voice, a configuration completion button is clicked after the configuration is completed, the indicator lamp which starts the configuration state is extinguished, the indicator lamp which is in the configuration completion state is lightened, a slave computer generates a solution configuration completion identifier and sends the solution configuration completion identifier to a host computer, the host computer determines the neutron counting rate stability condition of the current calibration point identifier after receiving the solution configuration completion identifier sent by the slave computer, and generates a sampling titration instruction to send to the slave computer when the neutron counting rate is stable.

Further, the slave computer displays the configured boron concentration group code and the current calibration point identifier, and also displays other relevant configuration parameters that must be known by the titrator in the titration process, where the other relevant configuration parameters in this embodiment include, but are not limited to, the configured boron concentration group code, the current configured boron concentration serial number, and the current configured boron concentration numerical value.

According to the difference of the measurement ranges of the nuclear power station, the host computer sends different sets of configured boron concentration group codes which respectively correspond to different boron meter measurement ranges and calibration point marks, and the specific corresponding relation is shown in table 2. Meanwhile, the configuration parameters displayed in the slave computer also comprise the currently actually configured boron concentration serial number and the theoretical boron concentration under the current replacement frequency, so that different titration personnel can conveniently know the real-time calibration state. This portion of the content is shown in block form and cannot be modified.

Serial number	Configuring boron concentration group code	Boron meter measurement range	Mark point mark
				1	1	0-2500mg/L	15
2	2	0-2800mg/L	16
				3	3	0-3000mg/L	16
4	4	0-5000mg/L	20

TABLE 2

S13: and carrying out solution sampling and chemical titration based on the sampling titration instruction, generating a sampling titration ending instruction when the solution sampling is finished and the chemical titration is finished, and sending an actual titration boron concentration numerical value to the host to finish the chemical titration.

Specifically, the sampling titration instruction comprises a currently configured boron concentration serial number, and after the slave computer obtains the sampling titration instruction, the slave computer controls an indicator lamp in a titration starting state to be turned on and generates a voice for starting titration so as to prompt a titration person to start solution sampling and chemical titration.

After a titrant finishes solution sampling and chemical titration, acquiring a titration boron concentration numerical value and a sampling titration ending instruction input by the titrant, controlling an indicator lamp in a titration starting state to be turned off according to the sampling titration ending instruction, lighting the indicator lamp in the titration ending state, and simultaneously sending an actual titration boron concentration numerical value to a host machine so as to determine the stable condition of the neutron counting rate corresponding to the current calibration point identification after receiving a solution configuration finishing identification sent by a slave machine, wherein the sampling titration instruction is generated if the neutron counting rate is stable.

Further, when the calibration test points corresponding to all the calibration point identifiers complete solution configuration and sampling titration, the slave computer obtains the neutron counting rate recorded by each calibration point identifier from the host computer, performs curve fitting by combining the titration boron concentration numerical values corresponding to all the calibration point identifiers, calculates the calibration coefficient, and finally completes correction of the boron meter based on the calibration coefficient.

Specifically, a titration boron concentration value is used as a value on an X axis, the reciprocal of a stable neutron counting rate is used as a value on a Y axis to draw a calibration curve, and a calibration coefficient is calculated according to the calibration curve:

the calculation formula for calculating the calibration curve is specifically as follows:

wherein: a. b and c are calibration coefficients, n is the neutron counting rate when the boron concentration is P, and P is the boron concentration.

Further, the communication frame format of the host includes slave address, function code, start address high byte, start address low byte, register number high byte, register number low byte, byte number, neutron count rate, slave information, configured boron concentration group code, calibration point identifier and CRC validation code, which is specifically shown in table 3:

further, the communication frame format of the slave includes a slave address, a function code, a data length, a titration boron concentration value, slave information, and a CRC check code, which are specifically shown in table 4:

example 2

As shown in fig. 2, the present embodiment provides a human-computer interaction device for boron meter chemical titration corresponding to the human-computer interaction method for boron meter chemical titration in embodiment 1 in a one-to-one manner, including a master computer and a slave computer, wherein the master computer is a secondary boron meter measurement device, and the slave computer includes a communication module, a solution configuration module, a sampling titration module and a data processing module:

and the communication module is used for acquiring a solution configuration instruction sent by the host, and the solution configuration instruction carries a configuration boron concentration group code and a current calibration point identifier.

And the solution preparation module is used for determining the boron meter measurement range based on the configured boron concentration group code, performing solution configuration according to the boron meter measurement range and the current calibration point identifier, generating a solution configuration completion identifier when the solution configuration is completed, and sending the solution configuration completion identifier to the host so that the host sends a sampling titration instruction based on the solution configuration completion identifier.

And the sampling titration module is used for carrying out solution sampling and chemical titration based on the sampling titration instruction transmitted by the communication module, generating a sampling titration end instruction when the solution sampling is completed and the chemical titration is completed, and sending a titration boron concentration value to the host.

The slave computer further comprises a data processing module, wherein the data processing module is used for acquiring the neutron counting rate recorded by each calibration point identifier from the host computer after the calibration test points corresponding to all the calibration point identifiers complete solution configuration and sampling titration, and performing curve fitting by combining the boron concentration numerical values corresponding to all the calibration point identifiers to calculate the calibration coefficient; and then finishing the correction of the boron meter based on the calibration coefficients.

Further, a human-computer interaction device for chemical titration of boron meter further comprises:

and the boron meter secondary measurement equipment is used for determining the stable condition of the neutron counting rate of the current calibration point identification after receiving the solution configuration completion identification sent by the solution configuration module through the remote communication module, and generating a sampling titration instruction if the neutron counting rate is stable.

Further, the master machine and the slave machine are communicated through an RS485 bus, an RS232 bus or a TCP/IP.

The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.