CN215066593U - Quality control instrument for online monitoring of water quality - Google Patents
Quality control instrument for online monitoring of water quality Download PDFInfo
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- CN215066593U CN215066593U CN202120692174.4U CN202120692174U CN215066593U CN 215066593 U CN215066593 U CN 215066593U CN 202120692174 U CN202120692174 U CN 202120692174U CN 215066593 U CN215066593 U CN 215066593U
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Abstract
The utility model belongs to the field of water quality monitoring, in particular to a water quality online monitoring and quality control instrument, which comprises a case, a power module, a display control module, a quality control liquid configuration module and a flow path module, wherein the power module, the display control module, the quality control liquid configuration module and the flow path module are integrated and assembled in the case; the display control module comprises a touch display screen and a relay, the quality control liquid configuration module comprises an injection pump, an eight-way valve, two sample storage cups and two peristaltic pumps, the flow path module comprises two three-way valves, and each three-way valve is respectively connected with three ways of water samples, pure water and quality control liquid. The utility model realizes no mutual interference among different quality control measures through multi-pipeline design, and ensures the accurate configuration of quality control liquid; various multi-component concentration standard solutions can be prepared according to requirements, and quality control requirements of multiple devices such as zero check, span check, zero drift, span drift, multi-point linear check, added standard recovery and the like are met; the instrument has small volume and low energy consumption, and can be matched with various analyzers.
Description
Technical Field
The utility model relates to a water quality monitoring field specifically is a quality control instrument of quality of water on-line monitoring.
Background
With the continuous development of automatic monitoring technology, the control of environmental monitoring quality is more important. The quality control instrument is applied to places with water quality on-line detection equipment, such as an environment monitoring station, a water station, a shore station, a pollution source and the like, and mainly aims to detect the validity of data of the on-line equipment. Among the prior art, cause the pollution to the water sample easily after the sampling of quality control appearance, it is inconvenient to store, and degree of automation is lower, but remote control, no quality control equipment, the easy cross use in water route detects the result not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quality control instrument for online monitoring of water quality to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a water quality on-line monitoring and quality control instrument comprises a case, a power module, a display control module, a quality control liquid configuration module and a flow path module, wherein the power module, the display control module, the quality control liquid configuration module and the flow path module are integrally assembled in the case; the display control module comprises a touch display screen and a relay, the quality control liquid configuration module comprises an injection pump, an eight-way valve, two sample storage cups and two peristaltic pumps, the flow path module comprises two three-way valves, and each three-way valve is respectively connected with three ways of water samples, pure water and quality control liquid.
Preferably, the touch display screen is embedded outside the case, a control program is written in the touch display screen in advance, and the touch display screen and the relay communicate through an R232 protocol.
Preferably, the output end of the injection pump is connected with the eight-way valve, the output end of the eight-way valve is respectively connected with the pipelines of the two groups of three-way valves and the two sample storage cups, and the injection pump and the eight-way valve are both connected with the touch display screen and are directly controlled by the touch display screen.
Preferably, the two peristaltic pumps are arranged below the sample storage cup and distributed left and right; the peristaltic pump on the left side is connected with the relay, and is used for pumping pure water and high-concentration quality control liquid through the flow path module, and simultaneously sucking the pure water to clean the sample storage cup after the quality control liquid is prepared; the peristaltic pump on the right side is used for sucking air for mixing and discharging redundant quality control liquid.
Preferably, the right peristaltic pump is controlled by a circuit board, and the circuit board is integrated in the case and used for controlling the positive and negative rotation of the right peristaltic pump.
Preferably, the sample storage cup is fixed in the case through a compression ring.
Preferably, each three-way valve is respectively connected with three liquid guide pipes and is connected with the water sample, the pure water and the quality control liquid pipeline through the liquid guide pipes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize the intelligent algorithm of establishing in the system, can dispose arbitrary concentration mark liquid according to the on-the-spot demand, monitor instrument performance more accurately, the operation is swift high-efficient, realizes that the quality control requirements such as zero point of many equipment is checked, span is checked, zero point drift, span drift, multiple spot linearity are checked and are added mark and retrieve; the multi-pipeline design realizes that different quality control measures have no mutual interference, accurate sample introduction, intelligent pipeline switching and double-pump design, and ensures the accurate configuration of the quality control liquid; the multi-pipeline automatic switching realizes the separation of two parameters of standard liquid, pure water and water sample, and can not cause interference due to cross contamination; the instrument has small volume and low energy consumption, and can be matched with various analyzers.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the connection between the modules according to the present invention.
In the figure: 1. a chassis; 2. an eight-way valve; 3. an injection pump; 4. a power supply module; 5. three-way valves; 6. a relay; 7. pressing a ring; 8. a sample storage cup; 9. a peristaltic pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: a water quality on-line monitoring and quality control instrument comprises a case 1, a power module 4, a display control module, a quality control liquid configuration module and a flow path module, wherein the power module, the display control module, the quality control liquid configuration module and the flow path module are integrally assembled in the case 1; the display control module comprises a touch display screen and a relay 6, the quality control liquid configuration module comprises an injection pump 3, an eight-way valve 2, two sample storage cups 8 and two peristaltic pumps 9, the flow path module comprises two three-way valves 5, and each three-way valve 5 is respectively connected with three ways of a water sample, pure water and a quality control liquid.
Preferably, the touch display screen is embedded outside the chassis 1, a control program is written in the touch display screen in advance, and the touch display screen and the relay 6 communicate through an R232 protocol.
Preferably, the output end of the injection pump 3 is connected with the eight-way valve 2, the output end of the eight-way valve 2 is respectively connected with the pipelines of the two sets of three-way valves 5 and the two sample storage cups 8, and the injection pump 3 and the eight-way valve 2 are both connected with the touch display screen and are directly controlled by the touch display screen.
Preferably, the two peristaltic pumps 9 are arranged below the sample storage cup 8 and distributed left and right, the peristaltic pump 9 on the left side is connected with the relay 6, pure water and high-concentration quality control liquid are extracted through the flow path module, and the pure water is sucked to clean the sample storage cup 8 after the quality control liquid is prepared; the peristaltic pump 9 on the right side is used for sucking air for mixing and discharging redundant quality control liquid.
Preferably, the right peristaltic pump 9 is controlled by a circuit board, and the circuit board is integrated in the case 1 and is used for controlling the forward and reverse rotation of the right peristaltic pump 9.
Preferably, the sample storage cup 8 is fixed in the case 1 through a compression ring 7.
Preferably, each three-way valve 5 is respectively connected with three liquid guide pipes and is connected with the water sample, the pure water and the quality control liquid pipeline through the liquid guide pipes.
Specifically, the method comprises the following steps:
the scheme judges the effectiveness of the water quality monitoring instrument through different quality control liquids, if the quality control data are in reasonable errors, the water quality monitoring instrument works normally, otherwise, the water quality monitoring instrument does not work normally, and the data can not be applied as effective data.
Firstly, a user sends a quality control command to a display control module of a quality control instrument according to the requirement, the display control module comprises a touch display screen and a relay 6, the touch display screen is positioned above a box door of a case 1, the relay 6 is positioned at the upper left inside the case 1, and the power module 4 is positioned at the left side. The program of the quality control instrument is written in the touch display screen, the touch display screen and the relay 6 controller communicate through an R232 protocol, a user can realize quality control requirements such as standard sample checking, zero point checking, water sample checking, added standard recovery and the like through the touch display screen, the quality control instrument sample storage cup 8 and a pipeline can be cleaned, and the quality control instrument is regularly maintained through the injection pump 3 and initialization.
The quality control liquid configuration module is positioned at the lower part inside the case 1, the left side of the lower part inside the case 1 is provided with the injection pump 3, the eight-way valve 2 is arranged below the injection pump 3, the right side of the lower part inside the case 1 is provided with the sample storage cup 8, and the two peristaltic pumps 9 are arranged below the sample storage cup 8. The injection pump 3 and the eight-way valve 2 are connected with a touch display screen and are directly controlled by the touch display screen, the peristaltic pump 9 on the left side is connected with a relay 6 and is used for pumping pure water and high-concentration quality control liquid, the pure water is sucked after the quality control liquid is prepared to clean the sample storage cup 8, the peristaltic pump 9 on the right side is used for sucking air to mix and discharge redundant quality control liquid, power is supplied to the peristaltic pump 9 on the right side through a circuit board, and the circuit board mainly controls the positive and negative rotation of the peristaltic pump 9.
The flow path module is composed of two three-way valves 5 positioned on the left and the right of the case 1, the left side controls the separation of the quality control liquid, the water sample and the pure water of the parameter I, the right side controls the separation of the quality control liquid, the water sample and the pure water of the parameter II, and each three-way valve 5 is connected with three pipes which are the quality control liquid, the pure water and the water sample from top to bottom in sequence. The water sample is provided by a water quality monitor.
The electrical devices throughout the enclosure 1 are supported for total power by the power module 4.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A water quality on-line monitoring and quality control instrument comprises a case (1), and a power module (4), a display control module, a quality control liquid configuration module and a flow path module which are integrally assembled in the case (1); the device is characterized in that the display control module comprises a touch display screen and a relay (6), the quality control liquid configuration module comprises an injection pump (3), an eight-way valve (2), two sample storage cups (8) and two peristaltic pumps (9), the flow path module comprises two three-way valves (5), and each three-way valve (5) is respectively connected with three ways of a water sample, pure water and quality control liquid.
2. The water quality on-line monitoring and quality control instrument according to claim 1, characterized in that: the touch display screen is embedded outside the case (1), a control program is written in the touch display screen in advance, and the touch display screen and the relay (6) are communicated through an R232 protocol.
3. The water quality on-line monitoring and quality control instrument according to claim 1, characterized in that: the output end of the injection pump (3) is connected with the eight-way valve (2), the output end of the eight-way valve (2) is respectively connected with the pipelines of the two groups of three-way valves (5) and the two sample storage cups (8), and the injection pump (3) and the eight-way valve (2) are both connected with the touch display screen and are directly controlled by the touch display screen.
4. The water quality on-line monitoring and quality control instrument according to claim 1, characterized in that: the two peristaltic pumps (9) are arranged below the sample storage cup (8) and distributed left and right, the peristaltic pump (9) on the left side is connected with the relay (6), pure water and high-concentration quality control liquid are extracted through the flow path module, and the pure water is sucked to clean the sample storage cup (8) after the quality control liquid is prepared; the peristaltic pump (9) on the right side is used for sucking air for mixing and discharging redundant quality control liquid.
5. The water quality on-line monitoring and quality control instrument according to claim 4, characterized in that: the right peristaltic pump (9) is controlled by a circuit board, and the circuit board is integrated in the case (1) and used for controlling the positive and negative rotation of the right peristaltic pump (9).
6. The water quality on-line monitoring and quality control instrument according to claim 1, characterized in that: the sample storage cup (8) is fixed in the case (1) through a compression ring (7).
7. The water quality on-line monitoring and quality control instrument according to claim 1, characterized in that: each three-way valve (5) is respectively connected with three liquid guide pipes and is connected with water sample, pure water and quality control liquid pipelines through the liquid guide pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120692174.4U CN215066593U (en) | 2021-04-06 | 2021-04-06 | Quality control instrument for online monitoring of water quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120692174.4U CN215066593U (en) | 2021-04-06 | 2021-04-06 | Quality control instrument for online monitoring of water quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066593U true CN215066593U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120692174.4U Active CN215066593U (en) | 2021-04-06 | 2021-04-06 | Quality control instrument for online monitoring of water quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066593U (en) |
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2021
- 2021-04-06 CN CN202120692174.4U patent/CN215066593U/en active Active
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