A guide rail type pH meter monitoring instrument
By modularly integrating the indicator control panel and wiring terminals, the problems of limited functionality and inconvenient maintenance of existing pH meters are solved, enabling multi-functional output and remote data monitoring, thus improving the instrument's maintenance convenience and functional expandability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENGZHOU DARKE ELECTRONIC TECH CO LTD
- Filing Date
- 2025-09-19
- Publication Date
- 2026-07-21
AI Technical Summary
Existing pH meters have limited functionality, cannot achieve remote data monitoring, and have complex wiring, making maintenance inconvenient.
Design a rail-mounted pH meter monitoring instrument that modularly integrates the indicator control panel and wiring terminals onto the main control board. It has multiple functions such as pH and temperature measurement and current output, and can be remotely controlled and monitored through external devices.
It facilitates maintenance, simplifies wiring, enables multi-functional output and remote monitoring, and improves the ease of use and functional expandability of the instrument.
Smart Images

Figure CN224535150U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water quality testing technology, specifically to a multifunctional rail-mounted pH meter monitoring instrument with pH measurement, temperature measurement, and current output. Background Technology
[0002] Existing pH meters and pH sensors generally only collect, process, and display pH signals of water quality on-site. Moreover, their functionality and signal output are limited, and they can generally only be operated on-site, lacking remote centralized data monitoring capabilities. In addition, the complex wiring between the terminals and the panel and the main control board makes maintenance and repair inconvenient. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a rail-mounted pH meter monitoring instrument, which integrates the indicator operation panel and wiring terminals in a modular form and fixes them on the main control board, and together they are fixed on the bottom shell. The front shell is only used to cover the remaining positions. This not only facilitates maintenance and disassembly, but also facilitates wiring with external devices. At the same time, it has multiple expansion functions and output forms such as pH and temperature measurement, current and digital signal output, and can realize remote control and data monitoring through external devices.
[0004] This rail-mounted pH meter monitoring instrument includes a housing and a main control board disposed within the housing. The housing includes a bottom shell for fixing to a rail and a top shell that is fastened to the bottom shell by a slot and latching mechanism. A control panel and a terminal module are fixedly mounted on the main control board. The bottom shell has a rail slot, and the main control board is fixedly mounted on the bottom shell. The top of the top shell has a central slot for exposing the control panel, and the bottom of the top shell has a wiring slot for exposing the terminal module.
[0005] The optimized main control board integrates a pH measurement module, a temperature measurement module, a data acquisition and processing module, a current output module, a button operation module, an indicator light module, a communication module, and a power supply module. The pH measurement module, temperature measurement module, and button operation module are connected to the input terminals of the data acquisition and processing module. The output terminals of the data acquisition and processing module are respectively connected to the current output module and the indicator light module. The data acquisition and processing module is connected to the communication module via a serial port. The power supply module is connected to and supplies power to the pH measurement module, temperature measurement module, data acquisition and processing module, current output module, button operation module, indicator light module, and communication module.
[0006] Furthermore, the buttons of the button operation module and the LED indicators of the indicator light module are integrated on the control panel.
[0007] Furthermore, the terminal module is provided with several wiring terminals that are connected to the output terminals of the current output module and the communication module.
[0008] This utility model discloses a rail-mounted pH meter monitoring instrument, which integrates the indicator operation panel and wiring terminals in a modular form and fixes them on the main control board, and together they are fixed on the bottom shell. The front shell is only used to cover the remaining positions. This not only facilitates disassembly and assembly for maintenance, but also facilitates wiring with external devices. At the same time, it has multiple expansion functions and output formats such as pH and temperature measurement, current and digital signal output, and can realize remote control and data monitoring through external devices. Attached Figure Description
[0009] The following description, in conjunction with the accompanying drawings, further illustrates a rail-mounted pH meter monitoring instrument according to this utility model: Figure 1 This is a three-dimensional structural diagram of the housing of the guide rail type pH meter monitoring instrument; Figure 2 This is a schematic diagram of the planar structure of the control panel of this rail-mounted pH meter monitoring instrument; Figure 3 This is a wireframe diagram illustrating the logic structure and connection principle of the main control board of this rail-mounted pH meter monitoring instrument.
[0010] In the picture: 1-Housing shell; 11-Bottom shell, 12-Face shell; 101-Card slot and buckle mechanism, 111-Guide rail slot, 121-Central slot, 122-Wiring slot.
[0011] 2-Main control board; 21-Control panel; 22-Terminal module; 201-pH measurement module; 202-Temperature measurement module; 203-Data acquisition and processing module; 204-Current output module; 205-Button operation module; 206-Indicator light module; 207-Power supply module; 208-Communication data module. Detailed Implementation
[0012] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0013] In the description of this utility model, it should be understood that the terms "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0014] The present invention will be further described below with specific embodiments, but the scope of protection of the present invention is not limited to the following embodiments.
[0015] Implementation method 1: such as Figures 1 to 3 As shown, this rail-mounted pH meter monitoring instrument includes a housing 1 and a main control board 2 disposed within the housing 1. The housing 1 includes a bottom shell 11 for fixing to a rail and a front shell 12 that is fastened to the bottom shell 11 by a slot-and-buckle mechanism 101. A control panel 21 and a terminal module 22 are fixedly mounted on the main control board 2. The bottom shell 11 is provided with a rail slot 111, and the main control board 2 is fixedly mounted on the bottom shell 11. The top of the front shell 12 has a central groove 121 for exposing the control panel 21, and the bottom of the front shell 12 has a wiring groove 122 for exposing the terminal module.
[0016] Implementation method 2: such as Figure 3As shown, the main control board 2 of this rail-mounted pH meter integrates a pH measurement module 201, a temperature measurement module 202, a data acquisition and processing module 203, a current output module 204, a button operation module 205, an indicator light module 206, a communication module 207, and a power supply module 208. The pH measurement module 201, temperature measurement module 202, and button operation module 205 are connected to the input terminals of the data acquisition and processing module 203. The output terminals of the data acquisition and processing module 203 are connected to the current output module 204 and the indicator light module 206, respectively. The data acquisition and processing module 203 is connected to the communication module 207 via a serial port. The power supply module 208 is connected to and supplies power to the pH measurement module 201, temperature measurement module 202, data acquisition and processing module 203, current output module 204, button operation module 205, indicator light module 206, and communication module 207. The pH measurement module 201 connects to the pH sensor and acquires the signal sent by the sensor, then conditions and transmits it to the data acquisition and processing module. Module 203; The temperature measurement module 202 is used to connect to the temperature sensor and collect the signal sent by the sensor, and transmit it to the acquisition and processing module 203 after conditioning; The acquisition and processing module 203 is used to receive the conditioned signals sent by each measurement module, and convert them into analog signals and digital signals respectively, and send them to the current output module 204 and the indicator light module 206; The current output module 204 is an interface module, used to output the analog signal output by the acquisition and processing module 203 to the external device; The button operation module 205 integrates buttons for inputting operation parameters for control, calibration and debugging; The indicator light module 206 integrates LED indicators for displaying the operation parameters input by the button panel on the display screen; The communication module 207 adopts an RS485 interface module for outputting the digital signal output by the acquisition and processing module 203 to the external device, and for inputting digital control signals from the external device; The power supply module 208 adopts a 220V AC universal power supply circuit. The remaining structures and components are as described in Embodiment 1, and will not be described again.
[0017] Implementation method 3: such as Figure 1 As shown, the buttons of the button operation module 205 and the LED indicators of the indicator light module 206 of this rail-mounted pH meter monitoring instrument are integrated on the control panel 21. The remaining structures and components are as described in Embodiment 1 and will not be described again.
[0018] Implementation method 4: such as Figure 1 As shown, the terminal module 22 of this rail-mounted pH meter monitoring instrument is provided with several wiring terminals that connect to the output terminals of the current output module 204 and the communication module 207. The remaining structures and components are as described in Embodiment 1 and will not be described again.
[0019] This rail-mounted pH meter integrates the indicator control panel and wiring terminals in a modular form, fixing them to the main control board and the bottom case. The front cover is only used to cover the remaining space, which not only facilitates disassembly and disassembly for maintenance, but also facilitates wiring with external devices. It also has multiple expansion functions and output formats such as pH and temperature measurement, current and digital signal output, and can be remotely controlled and monitored through external devices.
[0020] The above description illustrates the main features, basic principles, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments or examples described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the above embodiments or examples should be considered exemplary and not restrictive. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims. Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A rail-mounted pH meter monitoring instrument, characterized in that: The system includes a housing (1) and a main control board (2) disposed within the housing (1). The housing (1) includes a bottom shell (11) for fixing to a guide rail and a front shell (12) that is fastened to the bottom shell (11) by a slot-and-snap mechanism (101). A control panel (21) and a terminal module (22) are fixedly mounted on the main control board (2). The bottom shell (11) is provided with a guide rail slot (111), the main control board (2) is fixedly installed on the bottom shell (11), the top of the front shell (12) has a central slot (121) for exposing the control panel (21), and the bottom of the front shell (12) has a wiring slot (122) for exposing the terminal module.
2. The rail-mounted pH meter monitoring instrument according to claim 1, characterized in that: The main control board (2) integrates a pH measurement module (201), a temperature measurement module (202), a data acquisition and processing module (203), a current output module (204), a button operation module (205), an indicator light module (206), a communication module (207), and a power supply module (208). The pH measurement module (201), the temperature measurement module (202), and the button operation module (205) are connected to the input terminal of the data acquisition and processing module (203). The output terminal of the data acquisition and processing module (203) is connected to the current output module (204) and the indicator light module (206), respectively. The data acquisition and processing module (203) is connected to the communication module (207) via a serial port. The power supply module (208) is connected to the pH measurement module (201), the temperature measurement module (202), the data acquisition and processing module (203), the current output module (204), the button operation module (205), the indicator light module (206), and the communication module (207), respectively, and supplies them with power.
3. The rail-mounted pH meter monitoring instrument according to claim 2, characterized in that: The buttons of the button operation module (205) and the LED indicators of the indicator light module (206) are integrated on the control panel (21).
4. The guide rail type pH meter monitoring instrument according to claim 2, characterized in that: The terminal module (22) is provided with several wiring terminals that are connected to the output terminals of the current output module (204) and the communication module (207).