A fermentation pH value monitoring device for fermented feed for pigs

Abstract

The utility model discloses a kind of fermentation pH value monitoring devices of fermented feed for pig, it is related to the pH value monitoring device field of fermented feed for pig.The utility model includes instrument main body, probe main body, the probe main body includes probe stem, the outside upper side and lower side of probe stem are respectively provided with first thread and second thread, the top of probe stem is screw-connected with extension mechanism by first thread, by setting extension mechanism, wherein extension mechanism includes sleeve, sliding rod and float plate, float plate is with the buoyancy effect of fermented feed, can drive sliding rod self-adapting sliding along the sliding slot of sleeve inside, make probe main body synchronous lifting with liquid level change, always keep the stable contact of probe end and fermented feed, solved the problem that traditional fixed length extension rod is difficult to adapt to liquid level dynamic fluctuation, leading to probe is easily immersed too deep damage or expose liquid surface to cause measurement interruption, data distortion.

Description

Technical Field

[0001] This utility model relates to the field of pH monitoring devices for fermented pig feed, specifically a fermentation pH monitoring device for fermented pig feed. Background Technology

[0002] In the production of fermented pig feed, the pH value of the fermentation environment is a key indicator affecting feed quality, microbial activity, and nutrient conversion. Therefore, real-time and accurate monitoring of the pH value during fermentation is necessary. Currently, commonly used pH monitoring devices in the industry typically consist of an instrument body and a probe body. The probe body extends into the fermentation tank via an extension rod structure to directly contact the fermenting feed and obtain pH signals.

[0003] However, most existing monitoring devices have fixed-length extension rods, whose length is determined during installation. Therefore, during the fermentation process of fermented feed, the liquid level will change dynamically due to factors such as microbial metabolism, material addition, or gas production. Fixed-length extension rods are difficult to adapt to such liquid level fluctuations. For example, when the liquid level rises, the probe may be immersed too deeply, or even damaged due to contact with the bottom of the tank or being squeezed by the material. When the liquid level drops, the probe is easily exposed above the liquid surface, making it impossible to contact the fermented feed, resulting in measurement interruption or data distortion. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a pH monitoring device for fermented pig feed, so as to solve the technical problem in the existing pH monitoring device for fermented pig feed, where the fixed-length extension rod is difficult to adapt to the dynamic changes in liquid level during fermentation, which leads to the probe being easily damaged due to excessive immersion or causing measurement interruption and data distortion due to being exposed above the liquid surface.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fermentation pH monitoring device for pig fermented feed, comprising an instrument body and a probe body, wherein the probe body includes a probe rod, and a first thread and a second thread are respectively provided on the upper and lower sides of the probe rod, and an extension mechanism is screwed to the top of the probe rod through the first thread;

[0006] The extension mechanism includes a sleeve, and a sliding rod is slidably connected to the slider via a sliding groove on the inner side of the sleeve. The bottom of the sliding rod is screwed to the probe rod. A mounting base is provided on the lower outer side of the sliding rod. A slot is provided at the bottom of the mounting base, and a mounting block is inserted into the slot. A bolt is provided on the top of the mounting base, and the mounting base is fixedly connected to the mounting block by the bolt.

[0007] A floating plate is provided on the outer side of the mounting block.

[0008] By adopting the above technical solution, the threaded design of the probe rod facilitates component disassembly and maintenance. The sleeve and slide bar slide together via a sliding groove slider, which can adapt to dynamic changes in liquid level. After the mounting base and mounting block are inserted, they are fixed with bolts, which not only ensures the stable assembly of the float plate but also facilitates disassembly and cleaning. The overall structure is simple and reliable, and can stably drive the probe body to move with the liquid level, meeting the core requirement of fermentation pH monitoring.

[0009] Furthermore, the float is made of polypropylene, and the sleeve and slide bar are made of stainless steel.

[0010] By adopting the above technical solution, the float is made of polypropylene, which provides stable buoyancy and is resistant to acids and alkalis and does not easily stick to materials; the sleeve and slide bar are made of stainless steel, which is high in strength, wear-resistant, and corrosion-resistant. The material selection is precisely matched to the functional requirements of each component, which can resist the erosion of the fermentation environment, extend the service life of the device, and ensure the stability and reliability of the monitoring process.

[0011] Furthermore, a connecting seat is provided at the top of the sleeve, and a wire outlet is provided on one side of the bottom of the connecting seat. The connecting wire at the top of the probe body passes through the slide rod and the sleeve, and extends from the wire outlet to the instrument body.

[0012] By adopting the above technical solution, the connecting seat at the top of the sleeve provides a stable installation support point for the device, facilitating its fixation in the fermenter. The outlet has a neatly planned path for the connecting wires, avoiding tangling, wear, or compression by materials, ensuring stable transmission of monitoring signals from the probe body to the instrument body, and reducing the risk of signal interruption.

[0013] Furthermore, the instrument body includes a housing, the outer surface of which is provided with a display screen, and the bottom of the display screen is provided with a wiring port, which is connected to a connecting cable.

[0014] By adopting the above technical solutions, the casing effectively protects the core components inside the instrument from damage caused by external factors; the display screen can intuitively present monitoring data for convenient real-time viewing; the wiring port provides precise connection points for connecting cables, making disassembly and assembly convenient and ensuring a stable connection. The overall structure is rationally laid out, simple to operate, and meets the actual needs of users.

[0015] Furthermore, the probe rod has a probe end at its bottom and a connecting wire at its top.

[0016] By adopting the above technical solution, the probe end at the bottom of the probe rod can directly contact the fermented feed to accurately obtain pH information; the connecting cable at the top provides a channel for signal transmission, enabling the monitoring data to be quickly transmitted to the main body of the instrument. The clear division of labor and close cooperation in the structure ensure the effective realization of the monitoring function.

[0017] Furthermore, a protective sleeve is provided below the probe rod, and the protective sleeve is screwed to the probe rod. The bottom of the protective sleeve is provided with an opening that is adapted to the probe end, and several through-flow holes are distributed on the side wall of the protective sleeve.

[0018] By adopting the above technical solution, the protective sleeve is installed via a screw connection, making it easy to install and remove, and facilitating maintenance of the probe end. Its open bottom, combined with the flow holes on the side wall, ensures full contact between the feed and the probe end while preventing impact from large pieces of material, reducing material adhesion, improving monitoring accuracy, and extending the service life of the probe end.

[0019] Furthermore, the float plate is disc-shaped, and the edges of the float plate are rounded. The connection between the float plate and the mounting block forms an inwardly recessed avoidance area.

[0020] By adopting the above technical solutions, the float is designed in a disc shape, providing uniform buoyancy and stably driving the probe up and down. Rounded edges reduce material adhesion and lifting resistance, while avoidance zones at connection points prevent interference with other structures. The overall design is suitable for fermentation scenarios, ensuring smooth and stable operation of the float.

[0021] Furthermore, the inner groove of the sleeve is a strip-shaped groove extending along its length, the slider on the outer side of the slider rod is an integral structure with the slider rod, and the two side walls of the slider are in contact with the two side walls of the groove; the inside of the slider rod is provided with a channel for the connecting wire to pass through, and the two ends of the channel are respectively connected to the top of the probe rod and the inside of the sleeve.

[0022] By adopting the above technical solution, the strip groove and the integrated slider work together to limit the radial displacement of the slide bar and ensure smooth lifting; the internal channel of the slide bar provides a dedicated space for the connecting wire to pass through, avoiding wear, tangling or compression by materials, ensuring stable signal transmission, and the overall structural details improve the reliability of the device operation.

[0023] In summary, the present invention has the following main advantages:

[0024] 1. This utility model provides an extension mechanism, which includes a sleeve, a sliding rod, and a float plate. The float plate, with the help of the buoyancy of the fermented feed, can drive the sliding rod to slide adaptively along the groove on the inner side of the sleeve, so that the probe body rises and falls synchronously with the liquid level, and always maintains stable contact between the probe end and the fermented feed. This solves the problem that traditional fixed-length extension rods are difficult to adapt to dynamic fluctuations in liquid level, which can cause the probe to be easily immersed too deeply and damaged or exposed to the liquid surface, resulting in measurement interruption and data distortion.

[0025] 2. This utility model, by setting a protective sleeve and a detachable connection structure, wherein the protective sleeve is screwed to the probe rod, and the flow hole on the side wall ensures that the fermented feed and the probe end are in full contact, while also blocking the impact of large pieces of material on the probe. At the same time, the float plate is fixed to the mounting base by the mounting block, which is convenient for disassembly and cleaning. This solves the problems of the probe being easily damaged by material squeezing and the tedious cleaning and maintenance after the material sticks to it, thus improving the durability and practicality of the device. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the exploded three-dimensional structure of this utility model;

[0027] Figure 2 This is a partial cross-sectional three-dimensional structural diagram of the extension mechanism of this utility model;

[0028] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A;

[0029] Figure 4 This utility model Figure 2 A magnified structural diagram at point B in the middle.

[0030] In the diagram: 1. Instrument body; 101. Housing; 102. Display screen; 103. Connection port; 2. Probe body; 201. Probe rod; 202. Probe end; 203. Connecting wire; 204. First thread; 205. Second thread; 3. Protective sleeve; 4. Extension mechanism; 401. Sleeve; 402. Slide rod; 403. Connecting seat; 404. Cable outlet; 405. Bolt; 406. Mounting block; 407. Float plate; 408. Mounting base. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] Example 1:

[0033] A device for monitoring the fermentation pH of pig fermented feed, such as Figure 1-4 As shown, the instrument includes a main body 1 and a probe body 2. The probe body 2 includes a probe rod 201. The probe rod 201 has a first thread 204 and a second thread 205 on its upper and lower outer sides, respectively. An extension mechanism 4 is screwed to the top of the probe rod 201 through the first thread 204.

[0034] The extension mechanism 4 includes a sleeve 401. The inner side of the sleeve 401 is slidably connected to the slider via a sliding groove and a sliding rod 402. The bottom of the sliding rod 402 is screwed to the probe rod 201. A mounting base 408 is provided on the lower outer side of the sliding rod 402. A slot is provided at the bottom of the mounting base 408, and a mounting block 406 is inserted into the slot. A bolt 405 is provided on the top of the mounting base 408, and the mounting base 408 is fixedly connected to the mounting block 406 by the bolt 405.

[0035] A float plate 407 is provided on the outer side of the mounting block 406. It is screwed to the extension mechanism 4 via the first thread 204 of the probe rod 201, and the second thread 205 provides an adapter interface for the installation of subsequent components. The screwed structure not only facilitates disassembly and assembly but also ensures a stable connection, reducing the difficulty of later maintenance and replacement. The sleeve 401 and the slide rod 402 are connected by a sliding groove and a slider, which can limit the movement direction of the slide rod 402 and ensure smooth lifting and lowering without deviation. The mounting base 408 and the mounting block 406 are first inserted for positioning and then locked with bolts 405. This ensures that the float plate 407 is firmly installed and not easy to loosen, and allows for quick disassembly of the float plate 407 for cleaning or replacement. The float plate 407 can drive the probe body 2 to move synchronously with the fermentation feed liquid level, preventing the probe from detaching from the material. The overall structural design is adapted to the fermentation scenario, taking into account both practicality and reliability.

[0036] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The float plate 407 is made of polypropylene, while the sleeve 401 and slide bar 402 are made of stainless steel. The polypropylene material of the float plate 407 provides excellent buoyancy, allowing it to float stably on the surface of the fermented feed liquid. It supports the probe body 2, which rises and falls synchronously with the liquid level. Its smooth surface prevents the adhesion of viscous materials, facilitating subsequent cleaning. It is also resistant to acid and alkali corrosion in the fermentation environment, perfectly matching the functional positioning of the float plate 407. The sleeve 401 and slide bar 402 are made of stainless steel. Stainless steel possesses excellent mechanical strength, capable of withstanding the impact of materials during fermentation and the frictional wear of the slide bar 402 during sliding. It also exhibits outstanding temperature and corrosion resistance, resisting the high temperatures and acid / alkali corrosion of the fermentation environment. This prevents components from aging or being damaged, thus extending the overall lifespan of the device and ensuring the continuous stability of pH monitoring.

[0037] See Figure 1 , Figure 2 , Figure 3 , Figure 4The top of the sleeve 401 is provided with a connecting seat 403, and the bottom side of the connecting seat 403 is provided with a cable outlet 404. The connecting wire 203 at the top of the probe body 2 passes through the slide rod 402 and the sleeve 401, and extends from the cable outlet 404 to the instrument body 1. The connecting seat 403 at the top of the sleeve 401 provides a stable installation reference for the entire extension mechanism 4, which facilitates the precise fixing of the device at the designated monitoring position in the fermenter, ensuring that the device will not shake due to material stirring or liquid level fluctuations during the monitoring process. The cable outlet 404 on the bottom side of the connecting seat 403 forms a through channel with the slide rod 402 and the internal space of the sleeve 401, allowing the connecting wire 203 of the probe body 2 to be orderly threaded through, avoiding direct contact and compression with the fermentation material, and preventing the connecting wire 203 from tangling, wearing or breaking. This ensures smooth and stable transmission of the pH monitoring signal from the probe body 2 to the instrument body 1, reduces signal interference or interruption, and improves the reliability of the monitoring data.

[0038] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The instrument body 1 includes a housing 101, with a display screen 102 mounted on its outer surface. A wiring port 103 is located at the bottom of the display screen 102, connecting to a connecting cable 203. The housing 101 serves a protective function, isolating the internal signal processing and transmission components from external dust, moisture, and accidental impacts, ensuring stable operation of the instrument body 1. The display screen 102 on the outer surface of the housing 101 displays real-time pH data of the fermented feed monitored by the probe body 2, allowing users to intuitively obtain monitoring results without disassembling the device, facilitating timely monitoring of the fermentation status. The wiring port 103 at the bottom of the display screen 102 precisely matches the connecting cable 203 of the probe body 2, ensuring a simple and convenient connection and preventing signal transmission issues due to poor contact. The overall structural layout conforms to daily operating habits, enhancing the ease of use of the device.

[0039] See Figure 1 , Figure 2 , Figure 3 , Figure 4The probe rod 201 has a probe end 202 at its bottom and a connecting wire 203 at its top. The probe end 202 at the bottom of the probe rod 201, as the core detection component, can directly and fully contact the fermenting feed to accurately capture pH changes in the fermentation environment, making it a key structure for monitoring. The connecting wire 203 at the top of the probe rod 201 connects the probe end 202 to the instrument body 1, providing a stable transmission channel for the monitoring signal. It can quickly and accurately transmit the electrical signal detected by the probe end 202 to the instrument body 1 for processing. The integrated design of both the probe end 202 and the probe rod 201, with clear structural division and tight cooperation, ensures a smooth pH monitoring process from data acquisition to signal transmission, meeting the functional requirements of real-time monitoring of the fermentation process.

[0040] Example 2:

[0041] See Figure 1 , Figure 2 , Figure 3 , Figure 4 A protective sleeve 3 is installed below the probe rod 201, and the protective sleeve 3 is screwed to the probe rod 201. The bottom of the protective sleeve 3 has an opening that matches the probe end 202. Several through-flow holes are distributed on the side wall of the protective sleeve 3. The protective sleeve 3 below the probe rod 201 is connected by a screw, which is simple to install and remove, and facilitates the later disassembly of the protective sleeve 3 for cleaning, calibration or replacement of the probe end 202, reducing maintenance difficulty. The opening at the bottom of the protective sleeve 3 matches the probe end 202, which does not obstruct the contact between the probe end 202 and the fermented feed. The through-flow holes distributed on the side wall allow the fermented feed to enter the interior of the protective sleeve 3 smoothly, ensuring that the probe end 202 can accurately detect the pH value. At the same time, the protective sleeve 3 can prevent large impurities in the fermented material from directly impacting or scratching the probe end 202, reducing the adhesion of material to the surface of the probe end 202, which not only improves the accuracy of monitoring data, but also effectively extends the service life of the probe end 202.

[0042] See Figure 1 , Figure 2 , Figure 3 , Figure 4The float plate 407 is disc-shaped with rounded edges. The connection between the float plate 407 and the mounting block 406 forms an inwardly recessed clearance area. The disc-shaped structure of the float plate 407 creates a uniform force-bearing surface on the fermented feed liquid, providing stable and sufficient buoyancy. This ensures the float plate 407 floats smoothly, thereby driving the probe body 2 to rise and fall synchronously with the liquid level, preventing probe displacement due to uneven buoyancy. The rounded edges of the float plate 407 eliminate sharp corners, reducing the adhesion of viscous fermented feed to its surface and lowering the frictional resistance between the float plate 407 and surrounding materials during rise and fall, resulting in more sensitive liquid level response. The inwardly recessed clearance area at the connection between the float plate 407 and the mounting block 406 prevents interference between the connection structure and other components or fermented materials, ensuring the float plate 407 is securely installed and rises and falls smoothly, reliably realizing the adaptive liquid level change function.

[0043] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The inner groove of the sleeve 401 is a strip-shaped groove extending along its length. The slider on the outer side of the slide rod 402 is an integral structure with the slide rod 402. The two side walls of the slider fit into the two side walls of the groove. The slide rod 402 has a channel for the connecting wire 203 to pass through. The two ends of the channel are connected to the top of the probe rod 201 and the inside of the sleeve 401, respectively. The strip-shaped groove on the inner side of the sleeve 401 extends along its length and is precisely matched with the integral slider on the outer side of the slide rod 402. The two side walls of the slider fit tightly into the two side walls of the groove, which can effectively limit the radial displacement of the slide rod 402 and ensure that the slide rod 402 always moves in a fixed direction during the lifting and lowering process, thereby improving the stability of the probe body 2 as it moves with the liquid level. The dedicated channel inside the slide bar 402 provides an independent path for the connecting wire 203, allowing it to extend smoothly from the top of the probe rod 201 into the sleeve 401. This prevents the connecting wire 203 from being damaged by contact friction with sliding parts such as the slide groove and slider, and also prevents the connecting wire 203 from being squeezed or tangled by fermentation materials, ensuring that the transmission of monitoring signals is not affected. This detailed design further enhances the operational reliability of the device.

[0044] The implementation principle of this embodiment is as follows: First, the extension mechanism 4 is fixed to the designated position of the fermentation tank through the connecting seat 403 at the top of the sleeve 401. Then, the probe rod 201 of the probe body 2 is screwed to the bottom of the slide rod 402 through the first thread 204. At the same time, the protective sleeve 3 is screwed to the bottom of the probe rod 201 through the second thread 205, so that the probe end 202 is placed in the opening of the protective sleeve 3. Then, the mounting block 406 is inserted into the slot of the mounting seat 408 and locked by the bolt 405 to complete the assembly of the float 407 and the slide rod 402. The connecting wire 203 at the top of the probe body 2 is passed through the channel inside the slide rod 402 and the sleeve 401, and led out from the outlet 404 of the connecting seat 403 and connected to the wiring port 103 of the instrument body 1.

[0045] During fermentation, the float plate 407 floats on the surface of the fermented feed liquid and rises and falls synchronously with the liquid level using its own buoyancy. The float plate 407 drives the mounting base 408 and the slide rod 402 to slide along the strip groove inside the sleeve 401 through the mounting block 406. Because the slider on the outside of the slide rod 402 is in contact with the two side walls of the groove, and the slider and the slide rod 402 are an integral structure, it can be ensured that the slide rod 402 is stable and does not deviate during the rising and falling process, thereby driving the probe rod 201 and the probe end 202 to move synchronously, so that the probe end 202 always keeps in contact with the fermented feed.

[0046] The through-flow holes on the side wall of the protective sleeve 3 ensure that the fermented feed can smoothly contact the probe end 202, while preventing large pieces of material from impacting the probe end 202; the rounded transition of the float plate 407 and the avoidance area at the connection with the mounting block 406 can reduce material adhesion and lifting resistance. The pH value signal detected by the probe end 202 is transmitted to the instrument body 1 through the connecting line 203, and after processing, it is displayed on the display screen 102 to realize real-time monitoring of the pH value during the fermentation process.

[0047] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A device for monitoring the fermentation pH value of fermented pig feed, characterized in that: The instrument includes a main body (1) and a probe body (2). The probe body (2) includes a probe rod (201). The probe rod (201) has a first thread (204) and a second thread (205) on its upper and lower sides, respectively. An extension mechanism (4) is screwed to the top of the probe rod (201) through the first thread (204). The extension mechanism (4) includes a sleeve (401), and a slide rod (402) is slidably connected to the slider through a slide groove on the inner side of the sleeve (401). The bottom of the slide rod (402) is screwed to the probe rod (201). A mounting seat (408) is provided on the lower outer side of the slide rod (402). A slot is provided at the bottom of the mounting seat (408), and a mounting block (406) is inserted into the slot. A bolt (405) is provided on the top of the mounting seat (408), and the mounting seat (408) is fixedly connected to the mounting block (406) by the bolt (405). A floating plate (407) is provided on the outer side of the mounting block (406).

2. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: The float (407) is made of polypropylene, and the sleeve (401) and slide bar (402) are made of stainless steel.

3. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: The top of the sleeve (401) is provided with a connecting seat (403), and the bottom side of the connecting seat (403) is provided with a wire outlet (404). The connecting wire (203) at the top of the probe body (2) passes through the slide rod (402) and the sleeve (401), and extends from the wire outlet (404) to the instrument body (1).

4. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: The instrument body (1) includes a housing (101), and a display screen (102) is provided on the outer surface of the housing (101). A wiring port (103) is provided at the bottom of the display screen (102), and the wiring port (103) is connected to the connecting line (203).

5. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: The probe rod (201) has a probe end (202) at its bottom and a connecting line (203) at its top.

6. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: A protective sleeve (3) is provided below the probe rod (201), and the protective sleeve (3) is screwed to the probe rod (201). The bottom of the protective sleeve (3) is provided with an opening that is adapted to the probe end (202), and several through-flow holes are distributed on the side wall of the protective sleeve (3).

7. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: The float plate (407) is disc-shaped, and the edges of the float plate (407) are rounded. The connection between the float plate (407) and the mounting block (406) forms an inwardly recessed avoidance area.

8. The fermentation pH monitoring device for pig fermented feed according to claim 1, characterized in that: The inner groove of the sleeve (401) is a strip-shaped groove extending along its length. The slider on the outside of the slide rod (402) is an integral structure with the slide rod (402). The two side walls of the slider are in contact with the two side walls of the groove. The slide rod (402) has a channel inside for the connecting wire (203) to pass through. The two ends of the channel are connected to the top of the probe rod (201) and the inside of the sleeve (401) respectively.

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