CN220136553U - Electronic pressure sensor for electrolyte - Google Patents
Electronic pressure sensor for electrolyte Download PDFInfo
- Publication number
- CN220136553U CN220136553U CN202321593708.3U CN202321593708U CN220136553U CN 220136553 U CN220136553 U CN 220136553U CN 202321593708 U CN202321593708 U CN 202321593708U CN 220136553 U CN220136553 U CN 220136553U
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- CN
- China
- Prior art keywords
- measuring element
- body shell
- pressure sensor
- connecting rod
- chuck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 36
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 14
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- UFNIBRDIUNVOMX-UHFFFAOYSA-N 2,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1Cl UFNIBRDIUNVOMX-UHFFFAOYSA-N 0.000 description 1
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model belongs to the technical field of sensor measurement, and discloses an electronic pressure sensor for electrolyte, which comprises: chuck, have the measuring element of ceramic pressure core, sealed retaining member, connecting rod, body shell, PCB circuit board, aviation connector, display, wherein, the chuck be located the bottom, measuring element support in on the chuck, sealed retaining member is located measuring element outside in order to protect measuring element, the connecting rod is hollow stainless steel material, the connecting rod is downwards with sealed retaining member cover locate in and be connected with the chuck, the upper portion of connecting rod links to each other with body shell, body shell is stainless steel material, the PCB circuit board is located the inside of body shell, the signal line at measuring element top is connected PCB circuit board, aviation connector also electric connection PCB circuit board, display fixed connection is in the top of body shell. The electronic pressure sensor is suitable for electrolyte measurement, and is small, compact and high in reliability.
Description
Technical Field
The utility model belongs to the technical field of sensor measurement, and particularly relates to an electronic pressure sensor for electrolyte.
Background
The pressure sensor is the most commonly used sensor in industrial practice, is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent building, production self-control, aerospace, electric power, machine tools, pipelines and the like. The pressure sensor senses the pressure signal and can convert the pressure signal into an electric signal which can be output according to a certain rule.
The small and compact pressure sensor is a current development trend, in the field of electrolyte, the pressure of the electrolyte is sometimes required to be measured, but many pressure detection products on the market at present are not applicable due to the high corrosion characteristic of the electrolyte, and the technical problems to be solved at present are how to provide an electronic pressure sensor which is small in size, suitable for electrolyte measurement and stable in performance.
Disclosure of Invention
The utility model aims to provide an electronic pressure sensor which is suitable for electrolyte measurement, small and compact and high in reliability.
The utility model provides an electronic pressure sensor for an electrolyte, comprising: the device comprises a chuck, a measuring element with a ceramic pressure core, a sealing locking piece, a connecting rod, a body shell, a PCB circuit board, an aviation connector and a display, wherein,
the chuck is located the bottom, is stainless steel, measuring element support in on the chuck, sealed retaining member is located measuring element is outside in order to protect measuring element, the connecting rod is hollow stainless steel, the connecting rod is downwards with sealed retaining member cover locate in and with the chuck connection, the upper portion of connecting rod with the body shell links to each other, the body shell is stainless steel, the PCB circuit board is located the inside of body shell, the signal line at measuring element top is connected the PCB circuit board, aviation connector also electric connection the PCB circuit board, display fixed connection in the top of body shell.
Further, the chuck is provided with a circular groove protruding out of the disc surface, the circular groove is provided with an external thread, the bottom of the circular groove is also padded with an annular sealing ring, and the measuring element is supported on the sealing ring.
Further, the sealing locking piece is hollow and cylindrical, the inner diameter of the sealing locking piece is equal to the outer diameter of the measuring element, the sealing locking piece is made of stainless steel, and the height of the sealing locking piece is not smaller than the height of the measuring element.
Further, the body shell is hollow and cylindrical, a supporting plastic part made of ABS plastic is sleeved in the body shell, and the PCB is vertically fixed on the supporting plastic part.
Further, the upper part of the connecting rod is also sleeved with an annular sealing ring.
Further, the aviation connector is welded on the side wall surface of the body shell and is used for providing power for the PCB and transmitting industrial measurement signals processed and converted by the PCB.
Further, the sealing ring is made of fluorine rubber.
Further, the display comprises a shell cover made of ABS flame-retardant material
The electronic pressure sensor for the electrolyte provided by the utility model has the following technical effects: the pressure detection instrument is suitable for electrolyte measurement, and mainly adopts ceramic pressure sensing, perfluorinated sealing materials and all-stainless steel devices, meets the zinc and copper inhibition requirements of the lithium battery industry, intelligently and integrally detects pressure, remotely transmits pressure and displays pressure, adopts a die design, ensures protection and long-term stability, improves the stability of electrolyte pressure detection, prolongs the overall service life, and avoids secondary pollution risks of instrument damage to media.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of an electronic pressure sensor in the present embodiment.
Fig. 2 is a schematic diagram of the overall structure of the electronic pressure sensor in the present embodiment.
Fig. 3 is a schematic structural view of a body housing of the electronic pressure sensor in the present embodiment.
The labels in the figures are as follows: the device comprises a 1-shell cover, a 2-key, a 3-silica gel belt, a 5-key screen PCB, a 6-supporting plastic part, an 8-PCB, a 9-body shell, a 10-aviation connector, an 11-sealing ring, a 12-connecting rod, a 13-sealing locking part, a 14-measuring element, a 15-sealing ring and a 16-chuck.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that the illustrations provided in the present embodiment are merely schematic illustrations of the basic idea of the present utility model.
The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are particularly adapted to the specific details of construction and the use of the utility model, without departing from the spirit or essential characteristics thereof, which fall within the scope of the utility model as defined by the appended claims.
References in this specification to orientations or positional relationships as indicated by "front", "rear", "left", "right", "middle", "longitudinal", "transverse", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationships shown in the drawings, are also for convenience of description only, and do not indicate or imply that the device or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, an embodiment of the present utility model discloses an electronic pressure sensor for electrolyte measurement, which includes: chuck 16, ceramic-encapsulated measuring element 14, sealing lock 13, connecting rod 12, body housing 9, PCB circuit board, air connector 10, display, wherein,
the chuck 16 is located at the bottom, and is made of stainless steel, and has a circular base with a diameter larger than that of the body casing 9, so that the chuck is conveniently and stably placed in a medium, a circular groove with a convex disc surface is integrally formed above the circular base, the circular groove is provided with external threads, and the measuring element 14 is supported on the circular groove of the chuck 16, wherein the measuring element 14 is a sensor with a ceramic pressure core body and is used for sensing the pressure of the medium, the ceramic pressure sensor directly acts on the front surface of a ceramic diaphragm based on the piezoresistive effect, so that the diaphragm generates tiny deformation, a thick film resistor is printed on the back surface of the ceramic diaphragm and is connected into a Wheatstone bridge, and the bridge generates a voltage signal which is directly proportional to the pressure and is directly proportional to the excitation voltage due to the piezoresistive effect of the piezoresistor. Because the chuck 16 is made of stainless steel, the ceramic core body is in unstable rigid contact with the chuck 16, and in order to improve the stability and the sealing performance of the measuring element 14 in the chuck 16, an annular plastic sealing ring 15 is also padded at the bottom of the circular groove, the measuring element 14 is supported on the sealing ring 15, and the sealing ring 15 can be made of fluorine rubber.
The outside of the measuring element 14 is also sleeved with a sealing locking piece 13 to limit the measuring element 14 and play a role in protection, wherein the sealing locking piece 13 is hollow cylindrical, the inner diameter of the sealing locking piece is equal to the outer diameter of the measuring element 14, the sealing locking piece 13 is made of stainless steel, the height of the sealing locking piece is not less than the height of the measuring element 14, the measuring element 14 can be enclosed inside the sealing locking piece, two signal wires are led out from the top of the measuring element 14, and after the measuring element 14 detects the medium pressure, a pressure signal is transmitted to the PCB circuit board at the upper part.
The connecting rod 12 is 304 stainless steel, and inside is the cavity, and the lower part of connecting rod 12 has the internal thread, forms the screw thread with the external screw thread in chuck 16's circular slot and screws, and sealed retaining member 13 is located connecting rod 12, and the top of connecting rod 12 links to each other with body shell 9, and body shell 9 is stainless steel, and the PCB circuit board is located the inside of body shell 9, and the signal line at measuring element 14 top is connected this PCB circuit board, carries out the analog-to-digital conversion back to this pressure signal through the processing chip on the PCB circuit board and shows on the display on upper portion, simultaneously, still converts current pressure signal to standard industrial signal transmission to the socket that aviation connector 10 is located. The body shell 9 is hollow cylindric, and its internal diameter is slightly greater than the external diameter on connecting rod 12 upper portion, and connecting rod 12 upper portion has the cover to have two ring seal 11 that adopt the fluorine gum material to make, and the fluorine gum has more excellent heat resistance, oxidation resistance, oil resistance and corrosion resistance, and body shell 912 lower part is established connecting rod 12's upper portion cover in, further improves the leakproofness through the ring seal that sets up, then can also follow the fixed protruding locating pin 91 that establishes of inner wall of body shell 9, the locating pin 91 supports to hold in connecting rod 12's surface, can set up the arcuation recess in connecting rod 12 corresponding position, and this locating pin 91 is arranged in this arcuation recess, can play rotary positioning and prevent connecting rod 12 and body and drop through setting up locating pin 91.
The inside cover of body shell 9 is equipped with the support plastic piece 6 that adopts ABS plastics to make, supports the inner wall that plastic piece 6 closely laminated at body shell 9, and the PCB circuit board 8 that is used for pressure detection is vertical to be fixed in support plastic piece 6 is interior, and PCB circuit board 8 can make full use of body shell 9's space with the mode of vertical arrangement, prevents that whole pressure sensor diameter from being too big, and PCB circuit board 8 just is located connecting rod 12's upper portion when the installation is accomplished, improves the compact in space, supports plastic piece 6 inboard and has one or two grip grooves, and PCB circuit board 8's side can the centre gripping in the grip groove to fasten vertical arrangement PCB circuit board, certainly, the fastening mode is not limited to this kind of grip groove block's mode, still can adopt like the mode of gluing strongly.
The aviation connector 10 is welded on the side wall surface of the body casing 9, and is electrically connected with the PCB, and the aviation connector 10 is used for providing power for the PCB 8 and transmitting standard industrial measurement signals processed and converted by the PCB.
The display is located the top that supports moulding 6 and body shell 9, and the cap 1 of display adopts ABS flame retardant material to make, and the security is high, and the display is located the medium top, has seted up the hole on the cap 1, has a plurality of buttons 2 in the hole, and the groove of seting up is used for holding the display screen, and this button 2 intercommunication is located the PCB circuit board 5 that supports moulding 6 top surface, and this PCB circuit board is used for data display and button 2 operation to send the instruction, and this PCB circuit board all inclines with cap 1 to the user is watched and is operated conveniently. For the sake of beauty, a circle of silica gel belt 3 is also wound on the outer surface of the lower part of the shell cover 1.
The assembly process of the utility model is as follows: the chuck 16 is arranged at the bottom, a sealing ring is arranged in a circular groove of the chuck 16, a sealing locking piece 13 is sleeved outside a measuring element 14, a lead wire is pulled out from the upper surface, a sealing element is arranged in the circular groove of the chuck 16, a connecting rod 12 is screwed with the chuck 16, a PCB circuit board for pressure signal processing is arranged below a supporting plastic piece 6, the lead wire is connected with a pin of the PCB circuit board 8, the PCB circuit board 5 for display and key 2 operation is arranged at the top of the supporting plastic piece 6, two sealing rings 11 are sleeved on the top surface of the connecting rod 12, a body shell 9 is pressed downwards to be connected with the top of the connecting rod 12, then the supporting plastic piece 6 is sleeved in the body shell 9, finally, a display shell is arranged on the PCB circuit board at the top of the supporting plastic piece 6, an aviation connector 10 is connected with external industrial control equipment, and the measuring element 14 sends detected pressure data to the PCB circuit board for processing and then displays on a display screen of a display.
The electronic pressure sensor disclosed by the utility model has a small and compact structure, is suitable for measuring electrolyte, adopts all stainless steel devices for the chuck 16, the connecting rod 12 and the body shell 9, meets the zinc and copper forbidden requirements of the lithium battery industry, and has stable and reliable overall performance.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. An electronic pressure sensor for an electrolyte, comprising: the device comprises a chuck, a measuring element with a ceramic pressure core, a sealing locking piece, a connecting rod, a body shell, a PCB circuit board, an aviation connector and a display, wherein,
the chuck is located the bottom, is stainless steel, measuring element support in on the chuck, sealed retaining member is located measuring element is outside in order to protect measuring element, the connecting rod is hollow stainless steel, the connecting rod is downwards with sealed retaining member cover locate in and with the chuck connection, the upper portion of connecting rod with the body shell links to each other, the body shell is stainless steel, the PCB circuit board is located the inside of body shell, the signal line at measuring element top is connected the PCB circuit board, aviation connector also electric connection the PCB circuit board, display fixed connection in the top of body shell.
2. The electronic pressure sensor of claim 1, wherein: the chuck is provided with a circular groove protruding out of the disc surface, the circular groove is provided with an external thread, the groove bottom of the circular groove is also provided with an annular sealing ring, and the measuring element is supported on the sealing ring.
3. The electronic pressure sensor of claim 2, wherein: the sealing locking piece is hollow cylinder-shaped, the inner diameter of the sealing locking piece is equal to the outer diameter of the measuring element, the sealing locking piece is made of stainless steel, and the height of the sealing locking piece is not smaller than the height of the measuring element.
4. An electronic pressure sensor according to any one of claims 1-3, characterized in that: the body shell is hollow cylinder-shaped, a supporting plastic part made of ABS plastic is sleeved in the body shell, and the PCB is vertically fixed on the supporting plastic part.
5. The electronic pressure sensor of claim 4, wherein: the upper part of the connecting rod is also sleeved with an annular sealing ring.
6. The electronic pressure sensor of claim 2, wherein: the aviation connector is welded on the side wall surface of the body shell and is used for providing power for the PCB and transmitting industrial measurement signals processed and converted by the PCB.
7. The electronic pressure sensor of claim 2 or 5, wherein: the sealing ring is made of fluorine rubber.
8. The electronic pressure sensor of claim 1, wherein: the display comprises a shell cover made of ABS flame-retardant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593708.3U CN220136553U (en) | 2023-06-21 | 2023-06-21 | Electronic pressure sensor for electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593708.3U CN220136553U (en) | 2023-06-21 | 2023-06-21 | Electronic pressure sensor for electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136553U true CN220136553U (en) | 2023-12-05 |
Family
ID=88947932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321593708.3U Active CN220136553U (en) | 2023-06-21 | 2023-06-21 | Electronic pressure sensor for electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136553U (en) |
-
2023
- 2023-06-21 CN CN202321593708.3U patent/CN220136553U/en active Active
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| GR01 | Patent grant | ||
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