Salinity meter with replaceable probe

Abstract

The salinity meter comprises a main machine and the probe, the probe is detachably and fixedly arranged at the end of the main machine, the probe comprises a probe body, a lining structure and a circuit board, the lining structure and the circuit board are fixedly arranged in the probe body, a storage chip is fixedly arranged on the circuit board, and a circuit adapter plate and an ejector pin assembly are sequentially and fixedly arranged at one end of the circuit board; the host comprises a host shell, and a host circuit board, a power supply module and a display module which are fixedly arranged in the host shell, the end part of the host circuit board is sequentially and fixedly provided with a circuit adapter plate II and an ejector pin female seat, and the probe main body and the end part of the host shell are in plug-in connection and are fixed through a buckle. The temperature measuring sensitivity and response speed are enhanced, the probe body is made of food-grade PP materials, the highest temperature resistance is 180 DEG C, corrosion resistance is achieved, the probe and the host are connected in an inserted mode and fixed through a buckle, maintenance, replacement and upgrading of the probe are simplified, and user cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of salinity meter device, and particularly discloses a salinity meter with replaceable probe. BACKGROUND

[0002] In the fields of water quality monitoring, seawater desalination, and fishery breeding, salinity is an important parameter. Traditional salinity meters are easily damaged in highly corrosive environments, resulting in decreased measurement accuracy and high maintenance costs. In addition, traditional salinity meters have an integrated structure design of probe and host, which makes it difficult to replace and maintain the probe, increases maintenance costs, and reduces the service life of the host. Moreover, traditional salinity meters have poor high-temperature resistance. Therefore, there is an urgent need for a salinity meter that integrates corrosion resistance, high-temperature resistance, high precision, and easy maintenance. SUMMARY

[0003] (I) Technical problem

[0004] The present application provides a salinity meter with replaceable probe, which aims to solve the problems of difficult maintenance, poor high-temperature resistance, and poor precision caused by the integrated design of traditional salinity meters.

[0005] (II) Technical content

[0006] To solve the above technical problems, the technical solution of the present application is as follows: a salinity meter with replaceable probe, comprising a host and a probe, the probe is detachably fixed at the end of the host, the probe comprises a probe body and an inner lining structure and a circuit board fixed inside the probe body, the inner lining structure comprises an inner lining shell and a probe shell, a temperature sensor, a salinity sensing electrode, a fine wire Teflon protective sleeve, a wire, and a Teflon protective sleeve fixed inside the inner lining shell in sequence, the probe shell and the salinity sensing electrode are made of metal material, the circuit board is fixed with a storage chip and one end is fixed with a circuit adapter plate and a thimble assembly in sequence; the host comprises a host shell and a host circuit board, a power module, and a display module fixed inside the host shell, the end of the host circuit board is fixed with a circuit adapter plate two and a thimble female seat in sequence, the thimble female seat is matched with the thimble assembly, the end of the probe body and the host shell is inserted and fixed by a buckle.

[0007] Further, the temperature sensor is fixed inside the probe shell, and a heat-conducting silicone grease layer is filled between the inner wall of the probe shell and the temperature sensor.

[0008] Further, the temperature sensor has a wrapped fine wire Teflon protective sleeve.

[0009] Further, the probe body is made of food-grade PP material and internally filled with waterproof glue.

[0010] Further, the connecting end of the probe body and the host is provided with a waterproof silica gel ring.

[0011] Further, the display module includes a buzzer, a display screen and a key fixed on the host circuit board and electrically connected with the host circuit board.

[0012] Further, the host shell includes a main shell and a sub-shell fixed by waterproof glue, the sub-shell is provided with a TYPE-C interface and a silica gel pad corresponding to the position of the probe body inserted into the sub-shell, one end of the probe body inserted into the host is fixed with a buckle, and the buckle is separated from the host by pressing the silica gel pad.

[0013] (Three) Technical effects

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. The probe shell is made of metal material, which has good heat conduction performance, ensures the rapid and uniform transmission of the temperature around the temperature sensor, improves the accuracy and response speed of temperature measurement, and additionally installs the temperature sensor in the probe shell and applies a heat-conducting silicone grease layer between the sensor and the probe shell, which enhances the sensitivity and response speed of temperature measurement.

[0016] 2. The temperature sensor has a Teflon protective sleeve wrapped around a thin wire, which can be used in a long-term high-temperature environment.

[0017] 3. The probe body is made of food-grade PP material, which can withstand a maximum temperature of 180℃, and the salinity sensing electrode is made of metal material, which is corrosion-resistant. The probe body is integrally formed with the internal components by injection molding technology, which not only protects the internal electronic components from high temperature damage, but also improves the overall strength of the probe, enhancing the probe's high temperature resistance, corrosion resistance and service life in harsh environments.

[0018] 4. The probe and the host are connected by a buckle, and the probe is designed in a modular manner and connected to the host without welding, which simplifies the maintenance, replacement and upgrading of the probe and reduces the cost of users.

[0019] 5. The internal cavity of the probe body is filled with waterproof glue to form a waterproof barrier, ensuring the reliable operation of the probe in underwater or humid environments. The use of waterproof silica gel ring and waterproof glue strengthens the waterproof and dustproof design, and adapts to a wider range of use scenarios. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is an explosion structure schematic diagram of a salinometer with replaceable probe according to the present application.

[0021] Figure 2 is a cross-sectional structure schematic diagram of a salinometer with replaceable probe according to the present application.

[0022] As shown in the figure: 1, probe shell; 2, temperature sensor; 3, salinity sensing electrode; 5, wire; 7, Teflon protective sleeve; 66, thin wire Teflon protective sleeve; 8, circuit board; 9, storage chip; 10, circuit adapter plate; 11, thimble assembly; 12, inner lining shell; 14, probe body; 16, waterproof silica gel ring; 17, heat-conducting silicone layer; 19, thimble female seat; 20, circuit adapter plate two; 21, circuit adapter plate two; 22, button; 23, buzzer; 24, display screen; 25, TYPE-C interface; 26, power module; 27, main shell; 28, sub-shell; 29, lens; 30, button body; 31, button pad; 32, silica gel pad; 33, silica gel plug; 34, buckle. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inner", "outer", "center" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation or configuration and operation, and therefore cannot be understood as a limitation on the present application.

[0024] In the description of the present application, it should be understood that the terms "provided with", "mounted", "connected", "connected" and the like should be understood broadly, for example, they can be fixedly connected, or detachably connected, or integrally connected, or mechanically connected, or electrically connected, or directly connected, or indirectly connected through an intermediate medium, or connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application will be further described in detail below with reference to the accompanying drawings.

[0026] In conjunction with the accompanying Figure 1 to the accompanying Figure 2The application discloses a replaceable probe salinity meter, which comprises a host and a probe, the probe is detachably fixed at the end of the host, the probe comprises a probe main body 14 and an inner lining structure and a circuit board 8 fixed in the probe main body 14, the inner lining structure comprises an inner lining shell 12 and a probe shell 1, a temperature sensor 2, a salinity sensing electrode 3, a wire 5 and a Teflon protective sleeve 7 fixed in the inner lining shell 12 in sequence, the circuit board 8 is fixed with a storage chip 9 and is sequentially fixed with a circuit adapter plate 10 and a thimble assembly 11 at one end; the host comprises a host shell and a host circuit board 21, a power module 26 and a display module fixed in the host shell, the end of the host circuit board 21 is sequentially fixed with a circuit adapter plate two 20 and a thimble female seat 19, the thimble female seat 19 is matched with the thimble assembly 11, the end of the probe main body 14 and the host shell is inserted and fixed through buckles.

[0027] The temperature sensor 2 is fixed in the probe shell 1 and is filled with a heat-conducting silicone grease layer 17 between the inner wall of the probe shell 1 and the temperature sensor 2, and the temperature sensor is further wrapped with a fine wire Teflon protective sleeve 66. The probe main body 14 is made of food-grade PP material and is filled with waterproof glue inside. The connecting end of the probe main body 14 and the host is provided with a waterproof silicone rubber ring 16.

[0028] The display module comprises a buzzer 23, a display screen 24 and a key 22 fixed on the host circuit board 21 and electrically connected with the host circuit board 21. The host shell comprises a main shell 27 and a sub-shell 28, the main shell 27 and the sub-shell 28 are fixed through waterproof glue, the TYPE-C interface 25 is arranged on the sub-shell 28, and the silicone rubber pad 32 is arranged on the sub-shell 28 corresponding to the position of the probe main body 14 inserted into the host, one end of the probe main body 14 inserted into the host is fixed with buckles 34, and the buckles 34 are separated from the host by pressing the silicone rubber pad 32.

[0029] The detailed structure and action of each part of the probe are described as follows:

[0030] The probe shell 1 is made of metal material with good heat conduction performance, so that the temperature around the temperature sensor 2 can be quickly and uniformly transmitted;

[0031] The temperature sensor 2 is installed in the probe shell 1 and is provided with a heat-conducting silicone grease layer 17 between the probe shell 1, so that the sensitivity and response speed of temperature measurement are improved;

[0032] The temperature sensor 2 is wrapped with a fine wire Teflon protective sleeve 66, so that long-term work in a high-temperature environment is realized;

[0033] The salinity sensing electrode 3 is made of metal material with strong corrosion resistance, so that the service life of the probe in a high-corrosion environment is prolonged;

[0034] Teflon protective sleeve 7 for protecting temperature sensor 2 and salinity sensor wire 5;

[0035] The inner lining shell 12 is formed integrally with the probe shell 1, the temperature sensor 2, the salinity sensor electrode 3, the Teflon protective sleeve 7 and the wire 5 by the injection molding technology, and the stability of the overall structure is enhanced; the inner lining shell 12 is formed integrally with the probe main body 14 by the injection molding technology;

[0036] The probe main body 14 is made of high-temperature-resistant material, and the high-temperature-resistant material refers to food-grade PP material resistant to 180 DEG C temperature;

[0037] The circuit board 8 is provided with a storage chip 9, one end is provided with a circuit adapter plate 10 and a thimble assembly 11, and the thimble assembly 11 can be connected with the host computer without welding.

[0038] The detailed structure and function of each part of the host computer are described as follows:

[0039] The host computer circuit board 21 is provided with a buzzer 23 and a display screen 24, the buzzer 23 can feedback the response of the measured data, and the display screen 24 feedbacks the real-time measured value to the user;

[0040] The host computer circuit board 21 is also provided with a button 22, which is convenient for the user to operate the single button;

[0041] The host computer circuit board 21 is provided with a power module 26 for providing power to the salinometer; the host computer circuit board 21 is provided with a TYPE-C interface 25, which is convenient for the user to charge the power module 26;

[0042] One end of the host computer circuit board 21 is provided with a circuit adapter plate 20 and a thimble female seat 19;

[0043] The host computer circuit board 21 is assembled between the main shell 27 and the auxiliary shell 28, and the main shell 27 and the auxiliary shell 28 are fixed by waterproof glue;

[0044] The probe main body 14, the inner lining structure and the circuit board 8 form a complete probe, and the exposed thimble assembly 11 is connected with the exposed thimble female seat 19 of the host computer circuit board 21 for communication;

[0045] The main shell 27 is provided with an opening for viewing the value on the display screen 24; the main shell 27 is provided with an opening for assembling a button pad 31, the button pad 31 is provided with a button body 30, the user presses the button body 30, and the pressing force is transmitted to the button pad 31, so that the button 22 on the host computer circuit board 21 is triggered, and single-button operation is realized; the main shell 27 is provided with an opening for assembling a lens 29, and the lens 29 is used for dustproof and scratch prevention of the display screen 24;

[0046] The TYPE-C interface 25 and the connecting end of the probe body 14 are arranged on the auxiliary shell 28, and the auxiliary shell 28 is assembled with the silica gel plug 33 and the silica gel pad 32, so that the charging port is randomly used and waterproof performance is achieved. The user presses one end of the silica gel pad 32, and force is applied to the probe body 14, so that the probe is conveniently disassembled.

[0047] The temperature sensor, the lead of the salinity sensor and the electrode are protected by the Teflon sleeve, and the advanced injection molding technology and the inner lining are used for one-time forming, so that the internal electronic components are protected from high temperature damage, and the overall strength of the probe is improved. The probe body is made of high-temperature resistant material, which ensures stable work in high-temperature environment, and is provided with a buckle at one end, which is convenient for fixing with the salinity meter host; at the same time, waterproof silica gel ring is arranged at the probe assembly position, which ensures the sealing performance of the connection between the probe and the host. The circuit board is provided with a storage chip for saving measurement data and control algorithm, which is directly connected with the sensor, simplifies the signal processing process, and realizes convenient connection without welding through the circuit adapter plate and the thimble assembly. The probe adopts modular design idea, so that the replacement, maintenance and upgrading of the probe become simple and fast, without professional welding, which reduces the maintenance cost of the user.

[0048] The above describes the present application and its embodiments, which is not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by it, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A replaceable probe salinity meter comprising a main body and a probe, the probe being detachably fixed to an end portion of the main body, characterized in that: The probe comprises a probe body (14) and an inner lining structure and a circuit board (8) fixedly arranged inside the probe body (14), the inner lining structure comprises an inner lining shell (12) and a probe shell (1), a temperature sensor (2) and a fine wire Teflon protective sleeve (66), a salinity sensing electrode (3), a wire (5) and a Teflon protective sleeve (7) arranged in sequence inside the inner lining shell (12), and the circuit board (8) is fixedly arranged with a storage chip (9) and sequentially fixedly arranged with a circuit adapter plate (10) and a thimble assembly (11) at one end; The host comprises a host shell and a host circuit board (21), a power module (26) and a display module fixedly arranged inside the host shell, the host circuit board (21) is sequentially fixedly arranged with a circuit adapter plate two (20) and a thimble female seat (19) at an end, the thimble female seat (19) is matched with the thimble assembly (11), the probe body (14) and the host shell are inserted at ends and fixed by buckles.

2. A replaceable probe salinity meter according to claim 1, characterized in that: The temperature sensor (2) is wrapped with a fine wire Teflon protective sleeve (66).

3. A replaceable probe salinity meter according to claim 1, characterized in that: The temperature sensor (2) is fixedly arranged inside the probe shell (1), and a heat-conducting silicone grease layer (17) is filled between the inner wall of the probe shell (1) and the temperature sensor (2).

4. A replaceable probe salinity meter according to claim 1, characterized in that: The probe body (14) is made of food-grade PP material and filled with waterproof glue inside.

5. A replaceable probe salinity meter according to claim 1, characterized in that: The connection end of the probe body (14) and the host is provided with a waterproof silica gel ring (16).

6. A replaceable probe salinity meter according to claim 1, characterized in that: The display module comprises a buzzer (23), a display screen (24) and a key (22) fixedly arranged on the host circuit board (21) and electrically connected with the host circuit board (21).

7. A replaceable probe salinity meter according to claim 1 wherein: The host shell comprises a main shell (27) and a sub-shell (28), the main shell (27) and the sub-shell (28) are fixed by waterproof glue, the sub-shell (28) is provided with a TYPE-C interface (25), the sub-shell (28) is provided with a silica gel pad (32) corresponding to the position of the probe body (14) inserted, one end of the probe body (14) inserted into the host is fixedly arranged with a buckle (34), and the buckle (34) is separated from the host by pressing the silica gel pad (32).

Images