CN211235378U

CN211235378U - Online liquid analyzer

Info

Publication number: CN211235378U
Application number: CN201922005947.2U
Authority: CN
Inventors: 陈小凡
Original assignee: Zhuhai Xinwanshan Instrument Co ltd
Current assignee: Zhuhai Xinwanshan Instrument Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-08-11
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to the technical field of detection equipment, and discloses an online liquid analyzer, which comprises an installation body, wherein a first through hole is vertically arranged on the installation body in a penetrating way, a photoelectric element, a sensing assembly and a sealing cover used for sealing the lower end of the first through hole are sequentially arranged in the first through hole from top to bottom, the sensing assembly comprises an installation shell, a laser element and a prism refraction element, a second through hole coaxial with the first through hole is arranged on the installation shell, a second bypass hole communicated with the second through hole is arranged in the middle section of the installation shell, the installation body is provided with a first bypass hole in the area corresponding to the second bypass hole, the liquid pool and the second bypass hole are communicated through the first bypass hole, the prism refraction element and the laser element are respectively arranged at the upper section and the lower section of the second bypass hole, a plurality of inclined planes are arranged on the end face, facing the laser element, of the prism refraction element, and monochromatic light emitted by the laser element can be refracted by liquid in the liquid pool and the inclined planes in sequence and then projected to the photoelectric element. The arrangement of the inclined plane reduces the influence of impurities on the analyzer.

Description

Online liquid analyzer

Technical Field

The utility model relates to a check out test set technical field, in particular to online liquid analysis appearance.

Background

The storage battery is a common and very important electronic component as a device for storing electric power, and is widely applied to various devices, such as ships and automobiles in the transportation industry; mobile phones and interphones in the communication industry; flashlight etc. that the illumination was used, electronic equipment can't leave the battery, on the electronic system of some key equipment, need guarantee that it does not have a power failure, and it can't leave the battery, and electrolyte is the essential part of battery, so need monitor the density and the liquid level of electrolyte in the production of battery and use to guarantee the normal work of battery. The main component of the electrolyte is a dilute sulfuric acid solution which has strong corrosivity and can damage a detection part of the analyzer; when the detected liquid has impurities such as suspended matters or bubbles, the impurities are very easily adhered to the surface of the detection sensing assembly of the analyzer at the present stage, the precision of the analyzer is greatly influenced, and personnel need to frequently clean the analyzer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an online liquid analysis appearance, can reduce the influence of impurity to light path and testing result, reduce the frequency of changing or clean analysis appearance.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides an online liquid analyzer includes the installation body, it is equipped with first through-hole to run through perpendicularly on the installation body, photoelectric element from top to bottom is equipped with in proper order in the first through-hole, sensing component and the sealed lid that is used for sealing first through-hole lower extreme, sensing component is including installing the casing, laser element and prism refraction component, be equipped with the second through-hole coaxial with first through-hole on the installation casing, the middle section of installation casing is equipped with the second by pass hole with second through-hole intercommunication, the installation body is equipped with first by pass hole in the region that corresponds the second by pass hole, can communicate liquid bath and second by pass hole through first by pass hole, prism refraction component and laser element divide and locate the upper and lower two sections of second through-hole, prism refraction component is equipped with a plurality of inclined plane towards the one end of laser element, the monochromatic light that laser element sent can be thrown to photoelectric element behind liquid and the inclined plane of liquid.

Has the advantages that: the first by pass hole of liquid accessible enters into the second by pass hole, and the monochromatic light that laser element sent can be thrown to photoelectric element after being refracted by liquid and prism refraction component in proper order, and photoelectric element receives optical signal to can calculate the refracting index of light, utilize the different refractivity differences of different dense degree liquid light, thereby obtain the concentration of the liquid of surveying. When liquid flows through the sensing assembly, the inclined plane slows down the speed of impurities such as suspended matters or bubbles adhering to the sensing assembly, reduces the influence of the impurities on the concentration of the detection and analysis liquid, and reduces the frequency of replacing or cleaning the analyzer.

Preferably, the inclined planes are at least two, and the intersection line of the two inclined planes is intersected with the central axis of the prism refraction element. Impurities such as suspended matters or bubbles are not easy to adhere to the inclined plane, and the influence of the impurities on the precision of the analyzer is reduced.

Preferably, a filter is provided in the second through hole between the laser element and the second bypass hole. The filter lens enables the light generated by the laser element to have stronger directivity, and simultaneously avoids the direct contact between the laser element and liquid, thereby ensuring that the laser element is in a sealed environment.

Preferably, the liquid level meter further comprises an electrode rod for measuring the liquid level, the electrode rod is arranged on the outer side of the mounting body, and the axis of the electrode rod is parallel to the axis of the mounting body. The electrode rod forms an electrode of the capacitor, the electrode rod can extend into liquid vertical to the liquid level, and the two ends of the capacitor are formed by the electrode rod, so that the height of the liquid level can be measured.

Further preferably, the upper end of the mounting body is provided with a connecting part, and the electrode rod is arranged on the connecting part. The connecting part is convenient for the installation body to be connected with the electrode rod.

Further preferably, the electrode rod and the outer side of the installation body are sleeved with the protection covers, the upper ends of the protection covers are connected with the lower end faces of the connection portions, the side faces of the upper end and the lower end of each protection cover are respectively provided with an exhaust hole and a liquid inlet, the protection covers play a role in protecting the electrode rod and the installation body, and interference collision of the electrode rod and other structures of the installation body and the liquid pool is avoided.

Preferably, a circuit board is arranged above the mounting body, the laser element, the photoelectric element and the electrode rod are electrically connected with the circuit board, and the circuit board completes the control and signal processing part.

Further preferably, the circuit board overcoat is equipped with sealed casing, and sealed casing's lower extreme and connecting portion sealing connection are equipped with water joint on the sealed casing, water joint and circuit board electric connection, and sealed casing and water joint can avoid circuit board and electric connection to soak in liquid and advance to cause the damage.

Further preferably, the outer side surface of the connecting part is provided with a first external thread for fixing the analyzer, and the first external thread facilitates installation of the analyzer.

Preferably, the upper section and the lower section of the mounting shell are hermetically connected with the first through hole through elastic sealing rings, and the elastic sealing rings can prevent liquid from damaging the photoelectric element and the laser element.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a side view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is an exploded view of a sensing assembly in an embodiment of the invention;

fig. 4 is a schematic structural diagram of a prism refractive element according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an online liquid analyzer includes a mounting body 1, a first through hole 2 vertically penetrates through the mounting body 1, and a photoelectric element (not shown in the figure), a sensing assembly 3 and a sealing cover 4 for sealing the lower end of the first through hole 2 are sequentially disposed in the first through hole 2 from top to bottom. The sensing component 3 comprises a mounting shell 31, a laser element 32 and a prism refraction element 33, wherein the mounting body 1 and the mounting shell 31 are made of corrosion-resistant special plastic, such as PEEK; the prism refraction element 33 is an anti-corrosion prism made of sapphire or K9 optical glass, and the photoelectric element is a sensing element for receiving optical signals. The installation body 1 is provided with a first bypass hole 312 communicated with the first bypass hole 311, the installation body 1 is provided with a first bypass hole 5 in an area corresponding to the first bypass hole 312, the liquid pool and the first bypass hole 312 can be communicated through the first bypass hole 5, the prism refraction element 33 and the laser element 32 are respectively arranged at the upper section and the lower section of the second bypass hole 311, the end face of the prism refraction element 33 facing the laser element 32 is provided with a plurality of inclined planes 331, and monochromatic light emitted by the laser element 32 can be refracted by liquid in the liquid pool and the inclined planes 331 in sequence and then projected to the photoelectric element.

When the analyzer is used, the analyzer extends into liquid to be detected, the liquid enters the second bypass hole 312 through the first bypass hole 5, monochromatic light emitted by the laser element 32 can be refracted by the liquid and the prism refraction element 33 in sequence and then projected to the photoelectric element, and the photoelectric element receives optical signals. When liquid flows through sensing component 3, inclined plane 331 has slowed down the speed of impurity adhesions such as suspended solid or bubble on sensing component 3, avoids light to receive the influence of the impurity of adhesion on sensing component 3, reduces the influence of impurity to the light path, and then reduces the influence that detects analysis liquid concentration, and has reduced the frequency of changing or clean analysis appearance.

With further reference to fig. 4, at least two ramps 331 are provided. In this embodiment, there are two inclined planes 331, and a meeting line of the two inclined planes 331 meets a central axis of the prism refractive element 33. Impurities such as suspended matters or bubbles are not easy to adhere to the inclined plane 331, and the influence of the impurities on the precision of the analyzer is reduced. Further, the prism refractive element 3 is provided with a slope structure 332 in the region where the two inclined surfaces 331 are adjacent, the planes of the two slope structures 332 meet at the side facing the laser element 32, and the slope structures 332 are not easy to adhere impurities. In another embodiment of prismatic refractive element 33, prismatic refractive element 33 comprises a cone, and chamfer 331 is a side of the cone.

A filter 6 is provided in the second through hole 311 between the laser element 32 and the second bypass hole 312. The filter 6 makes the light generated by the laser element 32 more directional, makes the wavelength variation range of the light transmitted through the filter 6 smaller, and simultaneously avoids the laser element 32 from directly contacting with the liquid, thereby ensuring that the laser element 32 is in a sealed environment.

The prism refractive element 33 further includes a connector 333 capable of being connected with the second through hole 311 and a refractive body 334 penetrating the connector 333, the refractive body 334 is capable of extending into the second through hole 311, and monochromatic light can penetrate the refractive body 334, the inclined surface 331 and the slope structure 332 or the cone is arranged on an end surface of one end of the refractive body 334 facing the laser element 32. The section of the second through hole 311 is circular, the sections of the connecting body 333 and the refracting body 334 are also circular, external threads are arranged on the outer surface of the connecting body 333, internal threads are arranged in the second through hole 311, and the connecting body 333 and the second through hole 311 are connected with the internal threads in a matched mode through the external threads. The side of the connecting body 333 away from the laser element 32 is provided with two blind holes, through which the connecting body 333 can be driven to screw into or out of the second through hole 311.

A first hole shoulder is arranged in the second through hole 311, the connecting body 333 can be arranged in the second through hole 311, a first sealing ring 34 is arranged between the end surface of the connecting body 333 and the first hole shoulder, the first sealing ring 34 can prevent liquid from seeping into the external thread and the internal thread along the directions of the second bypass hole 312 and the second through hole 311, and the connecting part of the mounting shell 31 and the connecting body 333 is prevented from being corroded by the liquid. A second hole shoulder is arranged in the second through hole 311, a second sealing ring 35 is arranged between the end face of the laser element 32 and the second hole shoulder, and the second sealing ring 35 can prevent the end face of the laser element 32 facing the prism refraction element 33 from being corroded by liquid, so that the service life of the sensing assembly is ensured.

The mounting shell 31 is a cylinder, the second through hole 311 penetrates through the center axis of the mounting shell 31, grooves 313 are formed in the outer surfaces of the two sections of the mounting shell 31, elastic sealing rings (not shown in the figure) are arranged in the grooves 313, and the upper section and the lower section of the mounting shell 31 are hermetically connected with the first through hole 2 through the elastic sealing rings. The elastic sealing ring seals up the gap between the installation shell 31 and the first through hole 2, the lower end of the first through hole 2 is sealed by the sealing cover 4, the sealing performance of the sensing assembly 3 is good, the influence of liquid on the laser element 32 and the photoelectric element is avoided, and the structure of the analyzer is effectively protected.

Further referring to fig. 2, the analyzer further includes an electrode rod 7 for measuring the height of the liquid level, the electrode rod 7 is disposed outside the mounting body 1, and the axis of the electrode rod 7 is parallel to the axis of the mounting body 1. In this embodiment, two electrode rods 7 are provided, and the two electrode rods 7 form two poles of a capacitor. The two electrode rods 7 are immersed in liquid at different depths, the liquid medium constants between the two electrode rods 7 are different, and the liquid height is obtained by detecting and calculating the liquid medium constant.

Further, the installation body 1 is columnar, the first through hole 2 is formed in the axis of the installation body 1, the connection portion 8 is arranged at the upper end of the installation body 1, and the electrode rod 7 is arranged on the lower end face of the connection portion 8. The electrode rod 7 and the outer side of the mounting body 1 are sleeved with a protective cover 9, and the upper end of the protective cover 9 is connected with the lower end of the connecting part 8 through threads. The side surfaces of the upper end and the lower end of the protective cover 9 are respectively provided with an exhaust hole 11 and a liquid inlet 10, when an analyzer is placed in liquid, the liquid enters the protective cover 9 through the liquid inlet 10 and reaches the first side through hole 5, air in the protective cover 9 is exhausted from the exhaust hole 11, and the situation that air in the protective cover 9 obstructs the contact of the liquid and the installation body 1 is avoided.

The circuit board 15 is arranged above the mounting body 1, and the laser element 32, the photoelectric element and the electrode rod 7 are all electrically connected with the circuit board 15. The circuit of the circuit board 15 controls the laser element 32 to emit laser, receives and processes the electric signals of the photoelectric element and the electrode rod 7 and makes output feedback. The 15 overcoat of circuit board is equipped with sealed casing 12, and threaded seal connects through the lower extreme of sealed casing 12 and the upper end of connecting portion 8, avoids liquid to corrode the circuit board, is equipped with water joint 13 on the sealed casing 12,

water joint

13 and 15 electric connection of circuit board. Furthermore, the outer side surface of the connecting part 8 is provided with a first external thread 14 for fixing the analyzer, so that the analyzer is convenient to fix.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An on-line liquid analyzer, characterized in that: the device comprises a mounting body (1), wherein a first through hole (2) vertically penetrates through the mounting body (1), a photoelectric element, a sensing assembly (3) and a sealing cover (4) used for sealing the lower end of the first through hole (2) are sequentially arranged in the first through hole (2) from top to bottom, the sensing assembly (3) comprises a mounting shell (31), a laser element (32) and a prism refraction element (33), a second through hole (311) coaxial with the first through hole (2) is arranged on the mounting shell (31), a second bypass hole (312) communicated with the second through hole (311) is arranged in the middle section of the mounting shell (31), a first bypass through hole (5) is arranged in a region corresponding to the second bypass hole (312) of the mounting body (1), a liquid pool and the second bypass hole (312) can be communicated through the first bypass hole (5), the prism refraction element (33) and the laser element (32) are respectively arranged at the upper section and the lower section of the second through hole (311), one end of the prism refraction element (33) facing the laser element (32) is provided with a plurality of inclined planes (331), and monochromatic light emitted by the laser element (32) can be refracted by liquid in the liquid pool and the inclined planes (331) in sequence and then is projected to the photoelectric element.

2. The on-line liquid analyzer of claim 1, wherein: the inclined planes (331) are at least two, and the intersection line of the two inclined planes (331) is intersected with the central axis of the prism refraction element (33).

3. The on-line liquid analyzer of claim 1, wherein: a filter (6) is provided in the second through hole (311) between the laser element (32) and the second bypass hole (312).

4. The on-line liquid analyzer of claim 1, wherein: the liquid level measuring device is characterized by further comprising an electrode rod (7) used for measuring the height of the liquid level, the electrode rod (7) is arranged on the outer side of the mounting body (1), and the axis of the electrode rod (7) is parallel to the axis of the mounting body (1).

5. The on-line liquid analyzer of claim 4, wherein: the upper end of the mounting body (1) is provided with a connecting part (8), and the electrode rod (7) is arranged on the connecting part (8).

6. The on-line liquid analyzer of claim 5, wherein: electrode pole (7) and installation body (1) outside cover are equipped with safety cover (9), and the upper end of safety cover (9) is connected with the lower terminal surface of connecting portion (8), and the upper and lower both ends side of safety cover (9) is equipped with exhaust hole (11) and inlet (10) respectively.

7. An on-line liquid analyzer as claimed in claim 5 or 6, wherein: a circuit board (15) is arranged above the mounting body (1), and the laser element (32), the photoelectric element and the electrode rod (7) are electrically connected with the circuit board (15).

8. The on-line liquid analyzer of claim 7, wherein: the circuit board overcoat is equipped with sealed casing (12), and the lower extreme and connecting portion (8) sealing connection of sealed casing (12) are equipped with on sealed casing (12) water joint (13), water joint (13) and circuit board (15) electric connection.

9. The on-line liquid analyzer of claim 5, wherein: the outer side surface of the connecting part (8) is provided with a first external thread (14) for fixing an analyzer.

10. The on-line liquid analyzer of claim 1, wherein: the upper section and the lower section of the mounting shell (31) are hermetically connected with the first through hole (2) through elastic sealing rings.