PH detection device

Abstract

The utility model discloses a PH detection device which comprises a detection body and a seat body used for placing the detection body, the detection body comprises a holding part, and a detection probe is arranged at the head end of the holding part; an air drying mechanism is arranged in the seat body and comprises an air guide pipe, a fan, a bayonet socket and an abutting plate; the fan is arranged at the head of the air guide pipe; the bayonet socket is of a circular tube structure and is provided with a ventilation duct in the axial direction. A sleeving section is arranged at the head end of the ventilating duct; the bayonet socket is rotationally connected to the tail part of the air guide pipe through the sleeving section; the abutting plate is arranged at the tail end of the bayonet socket and used for limiting the position of the bayonet socket on the air guide pipe. An inserting groove communicated with the ventilating duct is formed in the side wall of the inserting seat, and the inserting groove is matched with the head end of the holding part. The PH detection device provided by the utility model is small and portable, the cleaned PH probe can be quickly dried, and the progress of experimental detection is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical reagent detection, in particular to a pH detection device. Background Art

[0002] The pH meter is an important tool for measuring the pH value of a solution. The main measuring component of the pH meter is the PHI probe, which includes a glass electrode and a reference electrode. The glass electrode is sensitive to pH, while the potential of the reference electrode is stable. Putting the two electrodes of the pH meter together in the same solution forms a primary cell, and the potential of this primary cell is the algebraic sum of the potentials of the glass electrode and the reference electrode. If the potential of the reference electrode of the pH meter is stable, then when the temperature remains stable, the potential change of the primary cell composed of the solution and the electrode is only related to the potential of the glass electrode, and the potential of the glass electrode depends on the pH value of the solution to be measured. Therefore, by measuring the change in potential, the pH value of the pH solution can be obtained.

[0003] Existing portable pH testing equipment needs to rinse the pH probe after using it to measure the pH of the solution in preparation for the next use to prevent the tested solution attached to the pH probe from affecting the solution to be tested. However, after rinsing the pH probe, the cleaning liquid attached to its surface cannot dry quickly. If a small amount of test solution is directly tested, the attached cleaning liquid will affect the concentration of each component in the test solution, thereby affecting the accuracy of the experimental data. When testing a single solution, it can be rinsed and dried naturally. If multiple solutions need to be tested, the time waiting for the pH probe to dry will affect the progress of the experimental test. Summary of the invention

[0004] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a PH detection device, which is compact and portable and can quickly dry the cleaned PH probe to speed up the progress of experimental detection.

[0005] The utility model is realized through the following technical solutions:

[0006] A PH detection device comprises a detection body and a seat for placing the detection body, the detection body comprises a gripping portion, the head end of the gripping portion is provided with a detection probe; a drying mechanism is provided in the seat, the drying mechanism comprises an air duct, a fan, a plug-in seat and an abutment plate; the fan is arranged at the head of the air duct; the plug-in seat is a circular tube structure, and a ventilation duct is arranged along the axial direction; a sleeve section is provided at the head end of the ventilation duct; the plug-in seat is rotatably connected to the tail end of the air duct through the sleeve section; the abutment plate is arranged at the plug-in seat The tail end is used to limit the position of the socket in the air duct; a socket slot connected to the ventilation duct is provided on the side wall of the socket, and the socket slot is adapted to the head end of the grip; in the present technical solution, the detection body can be fixed in the socket through the socket slot, and after fixation, the detection probe of the detection body is in the ventilation duct, and after turning on the fan, the detection probe can be quickly dried; the socket is rotated and connected to the air duct, which can facilitate the experimenter to adjust the angle of the socket slot according to needs, thereby improving comfort and enhancing the applicability of the device.

[0007] Preferably, the head end of the gripping portion is in a wedge-shaped structure; in the present technical solution, the head section of the wedge-shaped structure is small, which can improve the operational tolerance and facilitate the experimenter to place the detection body in the plug-in slot.

[0008] Preferably, a through hole is provided in the middle of the abutment plate, and guide grooves are evenly distributed around the circumference of the through hole. A push rod is slidably connected in the guide groove, and a preload spring is provided between the push rod and the groove; a positioning groove matched with the push rod is provided on the plug-in seat; in the present technical solution, the abutment plate can provide a preload force to the plug-in seat through the push rod and the preload spring, so as to limit the plug-in seat to the air duct, and the plug-in seat is provided with a positioning groove matched with the push rod, so as to set the angle position for positioning during the rotation of the plug-in seat, thereby forming a larger resistance and improving the reliability of the device.

[0009] Preferably, the base body includes a base plate and an upper shell, the air duct is fixed on the base plate and placed in the inner cavity of the upper shell; an opening groove is provided on the top of the upper shell, and the opening groove is adapted to the plug-in groove; in this technical solution, the upper shell can protect the air-drying mechanism and enhance the overall aesthetics of the device, while also providing expansion space for the tail device itself.

[0010] Preferably, a proximity sensor is provided on the side of the opening slot; in the present technical solution, the proximity sensor, the fan and the control unit of the device are electrically connected. When the detection body is fixed in the plug-in slot, the proximity sensor will be triggered to generate an electrical signal, and the electrical signal will be transmitted to the control unit. The control unit will control the start-up of the fan to achieve the purpose of self-drying the detection probe, thereby reducing the operating steps and reducing labor intensity.

[0011] Preferably, the upper surface of the upper shell is provided with a accommodating cavity adapted to the detection body, and a permanent magnet is provided at the bottom of the accommodating cavity; an excitation magnet adapted to the permanent magnet is provided on the holding portion; in the present technical solution, the accommodating cavity can provide a placement space for the detection body, facilitate storage, and improve the portability of the device.

[0012] Preferably, the accommodating cavity is arranged in parallel with the air duct; in the present technical solution, the accommodating cavity is arranged in parallel with the air duct, which can reduce the occupied volume of the device, facilitate storage, and improve the portability of the device.

[0013] Preferably, a battery is provided in the seat, a charging contact is provided at the bottom of the accommodating cavity, and a charging socket adapted to the charging contact is provided on the gripping portion; in this technical solution, the battery can enhance the applicability of the device and facilitate detection outdoors.

[0014] Preferably, an operating port is provided on the side of the accommodating cavity; in the present technical solution, the operating port can facilitate the experimenter to apply force to the detection body from the side with his fingers when taking the detection body out of the accommodating cavity, so as to quickly take out the detection body and reduce the difficulty of taking out the detection body.

[0015] Preferably, a protective plate is provided at the head of the gripping portion, and the length of the protective plate is greater than the length of the detection probe; in this technical solution, the protective plate can protect the detection probe to prevent it from being damaged due to contact and collision with the container during the detection process.

[0016] The beneficial effects of the utility model are: 1. The PH detection device includes a detection body and a seat for placing the detection body, and a drying mechanism is provided in the seat. After the detection body is fixed to the socket through the plug-in slot, the fan can be started to quickly dry the detection probe, thereby improving the progress of the experimental detection; 2. The socket of the PH detection device is rotated to be connected to the air duct, which can facilitate the experimenter to adjust the angle of the plug-in slot according to needs, improve comfort, and enhance the applicability of the device; 3. The device includes an upper shell, which can protect the drying mechanism and enhance the overall aesthetics of the device. At the same time, it can also provide expansion space for the device itself, and the upper shell is provided with a accommodating cavity, which can provide a placement space for the detection body, facilitate storage, and improve the portability of the device; 4. The PH detection device has a compact structure, is small and portable, and has a built-in battery, which is convenient for outdoor detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of a pH detection device described in Example 1;

[0018] Figure 2 This is a schematic diagram of a top view of the structure of a pH detection device described in Example 1;

[0019] Figure 3 It is a schematic diagram of the top view structure of the detection body described in the first embodiment;

[0020] Figure 4 It is a schematic diagram of the front view structure of the detection body described in the first embodiment;

[0021] Figure 5 It is a cross-sectional structural schematic diagram of the air-drying mechanism described in the first embodiment;

[0022] Figure 6 It is a schematic diagram of the internal structure layout of the pH detection device described in Example 1;

[0023] Figure 7 It is a schematic cross-sectional structural diagram of the plug socket described in the first embodiment;

[0024] Figure 8 It is a right side structural schematic diagram of the socket described in the first embodiment;

[0025] In the figure: 1. detection body; 11. gripping part; 12. detection probe; 13. protection plate; 14. excitation body; 15. charging socket; 2. seat body; 21. bottom plate; 22. upper shell; 23. opening groove; 24. accommodating cavity; 241. permanent magnet; 242. charging contact; 243. operation port; 25. ventilation port; 3. air duct; 4. plug-in socket; 41. ventilation duct; 42. socket section; 43. plug-in slot; 44. positioning groove; 5. fan; 6. abutment plate; 61. guide groove; 62. preload spring; 63. ejector rod; 7. battery; 8. control unit; 9. proximity sensor. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] like Figures 1 to 8As shown, a PH detection device includes a detection body 1 and a seat 2 for placing the detection body, the detection body 1 includes a gripping portion 11, and a detection probe 12 is provided at the head end of the gripping portion 11; the seat 2 includes a bottom plate 21 and an upper shell 22, and a drying mechanism is provided in the upper shell 22, the upper shell 22 can protect the drying mechanism, and can also enhance the overall aesthetics of the device, and can also provide expansion space for the device itself; the drying mechanism includes an air duct 3, a fan 5, a socket 4 and an abutment plate 6; the fan 5 is a small axial flow fan, which is connected by a flange The plug-in socket 4 is fixed to the head of the air duct 3; the plug-in socket 4 is a circular tube structure, and a ventilation duct 41 is provided in the axial direction; a positioning shoulder is provided in the ventilation duct 41, and the positioning shoulder forms a sleeve section 42 at the head end of the ventilation duct 41; the sleeve section 42 is adapted to the outer diameter of the tail end of the air duct 3; the plug-in socket 4 is rotatably connected to the tail end of the air duct 3 through the sleeve section 42; the abutment plate 6 is fixed to the bottom plate 21 and is placed at the tail end of the plug-in socket 4 to limit the position of the plug-in socket 4 in the air duct 3. Specifically, a through hole is provided in the middle of the abutment plate 6, and guide grooves 61 are evenly distributed in the circumference of the through hole. A push rod 63 is slidably connected in the groove 61, and a preload spring 62 is provided between the push rod 63 and the root of the groove; the head of the push rod 63 is in an arc-shaped structure; a positioning groove 44 adapted to the push rod is provided on the socket 4, and the abutment plate 6 can provide a preload force to the socket 4 through the push rod 63 and the preload spring 62, so as to limit the socket 4 on the air duct, and the positioning groove 44 can position the socket 4 at a set angle during the rotation process, thereby improving the reliability of the device; a plug-in groove 43 connected to the ventilation duct is provided on the side wall of the socket 4, and the plug-in groove 43 is connected to the grip portion 1 1 is adapted to the head end of the upper shell 22, the top of the upper shell 22 is provided with an open slot 23, and vents 25 are provided on both sides; the open slot 23 is adapted to the plug-in slot 43, and the vents 25 are in the same straight line with the air duct 3; wherein, the detection body 1 can be fixed in the plug-in socket 4 through the plug-in slot 43, and after being fixed, the detection probe 12 of the detection body is in the ventilation duct, and after the fan is turned on, the detection probe 12 can be quickly dried; the plug-in socket 4 is turned to be connected to the air duct, which can facilitate the experimenter to adjust the angle of the plug-in slot according to needs, improve comfort, and enhance the applicability of the device.

[0029] Preferably, the head end of the gripping portion is in a wedge-shaped structure, and the head section of the wedge-shaped structure is small, which can improve the operational tolerance and facilitate the experimenter to place the detection body in the plug-in slot; a proximity sensor 9 is provided on the side of the opening slot 23, and the proximity sensor 9 and the fan 5 are electrically connected to the control unit 8 of the device. When the detection body is fixed in the plug-in slot, the proximity sensor 9 will be triggered to generate an electrical signal, and the electrical signal will be transmitted to the control unit 8, and the control unit will control the start of the fan to achieve the purpose of self-drying the detection probe, so as to reduce the operation steps and reduce the labor intensity; the upper surface of the upper shell 22 is provided with a accommodating cavity 24 adapted to the detection body, and a permanent magnet 241 is provided at the bottom of the accommodating cavity 24; an excitation magnet 14 adapted to the permanent magnet 241 is provided on the gripping portion 11, and the excitation magnet 14 can be a silicon steel sheet, and the accommodating cavity 24 can provide a placement space for the detection body 1, which is convenient for storage and improves the portability of the device; a battery 7 is provided on the bottom plate 21, and the battery 7 can provide power for the fan and the electronic components of the device to enhance the applicability of the device and facilitate outdoor detection; a charging contact 242 is provided at the bottom of the accommodating cavity 24, and a charging socket 15 compatible with the charging contact is provided on the gripping portion. After the detection body is placed in the accommodating cavity 24, the permanent magnet 241 adsorbs and positions the gripping portion so that the charging contact 242 is connected to the charging socket 15, and the detection body can be charged, thereby increasing the working time of the detection body; an operating port 243 is provided on the side of the accommodating cavity 24, and the operating port 243 can facilitate the experimenter to apply force to the detection body from the side when taking the detection body out of the accommodating cavity, so as to quickly take out the detection body and reduce the difficulty of taking out the detection body; a protective plate 13 is provided on the head of the gripping portion 11, which is symmetrically arranged on both sides of the detection probe 12. The width and length of the protective plate 13 are both greater than the detection probe 12, and the detection probe can be protected to prevent it from being damaged by contact and collision with the container during the detection process.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solution recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solution from the technical solution of the embodiments of the utility model.

Claims

1. A pH detection device, characterized in that: It includes a detection body and a seat for placing the detection body, the detection body includes a holding portion, and the head end of the holding portion is provided with a detection probe; the seat is provided with an air-drying mechanism, and the air-drying mechanism includes an air duct, a fan, a plug-in seat and an abutment plate; the fan is arranged at the head of the air duct; the plug-in seat is a circular tube structure, and a ventilation duct is arranged along the axial direction; the head end of the ventilation duct is provided with a sleeve section; the plug-in seat is rotatably connected to the rear end of the air duct through the sleeve section; the abutment plate is arranged at the rear end of the plug-in seat, and is used to limit the position of the plug-in seat in the air duct; the side wall of the plug-in seat is provided with a plug-in slot connected to the ventilation duct, and the plug-in slot is adapted to the head end of the holding portion.

2. The pH detection device according to claim 1, characterized in that: The head end of the gripping portion is in a wedge-shaped structure.

3. The pH detection device according to claim 1, characterized in that: A through hole is provided in the middle of the abutment plate, and guide grooves are evenly distributed around the through hole. A push rod is slidably connected in the guide groove, and a preload spring is provided between the push rod and the groove; a positioning groove matched with the push rod is provided on the socket.

4. The pH detection device according to claim 1, characterized in that: The seat body includes a bottom plate and an upper shell, the air duct is fixed on the bottom plate and placed in the inner cavity of the upper shell; an open groove is provided on the top of the upper shell, and the open groove is adapted to the plug-in groove.

5. The pH detection device according to claim 4, characterized in that: A proximity sensor is arranged on the side of the opening slot.

6. The pH detection device according to claim 4, characterized in that: The upper surface of the upper shell is provided with a receiving cavity matched with the detection body, and the bottom of the receiving cavity is provided with a permanent magnet; the gripping part is provided with an excitation magnet matched with the permanent magnet.

7. The pH detection device according to claim 6, characterized in that: The accommodating cavity is arranged in parallel with the air guiding duct.

8. The pH detection device according to claim 6, characterized in that: A storage battery is arranged in the seat body, a charging contact is arranged at the bottom of the accommodating cavity, and a charging socket matched with the charging contact is arranged on the gripping part.

9. The pH detection device according to claim 6, characterized in that: An operating port is arranged on the side of the accommodating cavity.

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