CN211043507U - Conductivity meter - Google Patents
Conductivity meter Download PDFInfo
- Publication number
- CN211043507U CN211043507U CN201921306861.7U CN201921306861U CN211043507U CN 211043507 U CN211043507 U CN 211043507U CN 201921306861 U CN201921306861 U CN 201921306861U CN 211043507 U CN211043507 U CN 211043507U
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- conductivity meter
- lead
- main body
- back plate
- instrument main
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Abstract
The utility model discloses a conductivity meter, which comprises an instrument main body, electrodes, connecting wires and a back plate; the top of the instrument main body is provided with a connecting column, one end of the connecting lead is connected with the connecting column in a screw rod-nut structure, and the other end of the connecting lead is connected with one end of the electrode in a screw rod-nut structure; the back of the instrument main body is provided with a lead accommodating groove and an electrode accommodating groove; one side of the back plate is hinged with one side of the back of the instrument main body, a winding device and two connector clamping grooves are arranged on the inner side surface of the back plate, and the connector clamping grooves are located on one side of the winding device. The limitation of the length of the lead to the use scene of the conductivity meter is overcome, the lead is not easy to knot and wind, the electrodes are replaceable, and the replacement cost is low, so that the conductivity meter is convenient to maintain.
Description
Technical Field
The utility model relates to a solution check out test set field, concretely relates to conductivity meter.
Background
The conductivity meter is an instrument for measuring the conductivity of an electrolyte solution by an electrochemical measurement method. Its measuring principle is that two parallel polar plates are placed in the solution to be measured, a certain electric potential (generally sine wave voltage) is added to two ends of polar plate, then the current passed between polar plates is measured, according to ohm's law, when the electrode constant (J) is known and the resistance (R) or conductance (G) of solution is measured, the conductivity can be obtained. Conductivity is an indication of the conductive ability of an electrolyte solution and is in most cases proportional to the concentration of ions in the solution, so that the total concentration or salt content of ions in the solution can be determined by measuring the conductance.
The conventional common conductivity meter comprises a desk type conductivity meter and a portable handheld conductivity meter, and the desk type conductivity meter is inconvenient to carry. Therefore, a portable handheld conductivity meter is generally used in field conductivity measurement, but the use scene of the conductivity meter is often limited by the existing portable handheld conductivity meter due to insufficient length of the lead, and the lead is easy to be knotted and wound when the length of the lead is too long. If the wireless electrode is used, the electrode is easy to lose and damage in the field environment, and meanwhile, the replacement cost of the wireless electrode is high.
Therefore, in order to solve the above problems, there is a need for a conductivity meter, which can overcome the limitation of the length of a wire to the use scene of the conductivity meter and is not easy to tie and wind, and electrodes are replaceable with low replacement cost, so as to facilitate the maintenance of the conductivity meter.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide the conductivity meter, can overcome wire length and to the use scene restriction of conductivity meter and be difficult to the winding of knoing to the electrode is removable, and the replacement cost is low, so that to the maintenance of conductivity meter.
The utility model discloses a conductivity meter, which comprises a meter main body, electrodes, connecting wires and a back plate; the top of the instrument main body is provided with a connecting column, one end of the connecting lead is connected with the connecting column in a screw rod-nut structure, and the other end of the connecting lead is connected with one end of the electrode in a screw rod-nut structure; the back of the instrument main body is provided with a lead accommodating groove and an electrode accommodating groove; one side of the back plate is hinged with one side of the back of the instrument main body, a winding device and two connector clamping grooves are arranged on the inner side surface of the back plate, and the connector clamping grooves are located on one side of the winding device. The electrode-connecting lead-connecting column is connected by a screw rod-nut structure, and the electrode-connecting lead-connecting column can be detached and is convenient to replace, maintain, store and store. Simultaneously, instrument main part back sets up the groove is accomodate to the wire and the groove is accomodate to the electrode is convenient for with connecting wire and electrode are accomodate to inside the instrument main part the backplate inboard sets up winding device can with connecting wire accomodates into more standardly in the groove is accomodate to the wire, will simultaneously connecting wire's connection card is in the joint draw-in groove, avoided the winding of knoing of wire.
Furthermore, metal connecting sheets are arranged on the parts, in contact with the connecting columns and the electrodes, of the two ends of the connecting leads, and the metal connecting sheets are connected with metal wire cores inside the connecting leads. The connection between the electrode, the connecting lead and the connecting column is electrically connected by virtue of a metal contact piece so as to transmit signals.
Further, the winding device is a round-angle rectangular boss, the bottom surface of the round-angle rectangular boss is fixedly connected with the inner side surface of the back plate, and a groove is formed in the side surface of the round-angle rectangular boss. The connecting wire is wound in the groove.
Further, the joint clamping groove is formed in the inner side face of the back plate, and the notch of the joint clamping groove is opposite to the position of the circular arc portion of the rounded rectangular boss. And after the connecting lead is wound, the connector is clamped in the connector clamping groove.
The utility model has the advantages that: the utility model discloses a conductivity meter connects electrode and conductivity meter main part with lead screw-nut's mode through a connecting wire to and set up the electrode behind one's back and accomodate groove and wire and accomodate the groove at the conductivity meter, can overcome wire length and restrict and be difficult to the winding of knoing to the use scene of conductivity meter, and the electrode is removable, and the replacement cost is low, so that to the maintenance of conductivity meter.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the connecting wire structure of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
Detailed Description
In the figure: 1. the instrument comprises an instrument main body, 2, a connecting lead, 3, an electrode, 4, a back plate, 11, a connecting column, 12, a lead accommodating groove, 13, an electrode accommodating groove, 41, a winding device, 42 and a connector clamping groove.
Fig. 1 is a schematic structural diagram of the present invention, and as shown in the figure, the conductivity meter in this embodiment. Comprises an instrument main body 1, an electrode 3, a connecting lead 2 and a back plate 4; the top of the instrument main body 1 is provided with a connecting column 11, one end of a connecting lead 2 is connected with the connecting column 11 in a screw-nut structure, and the other end of the connecting lead is connected with one end of an electrode 3 in a screw-nut structure; the back of the instrument main body 1 is provided with a lead wire accommodating groove 12 and an electrode accommodating groove 13; one side of the back plate 4 is hinged with one side of the back of the instrument main body 1, the inner side surface of the back plate 4 is provided with a winding device 41 and two connector clamping grooves 42, and the connector clamping grooves 42 are positioned on one side of the winding device 41. The electrode 3-connecting wire 2-connecting column 11 is connected by a screw rod-nut structure, and the mechanism can be detached, so that the replacement, maintenance, storage and storage are convenient. Simultaneously, set up wire and accomodate groove 12 and electrode and accomodate groove 13 and be convenient for accomodate connecting wire 2 and electrode 3 to instrument main part 1 inside at instrument main part 1 back, set up winding device 42 and can accomodate connecting wire 2 into wire and accomodate groove 12 more standardly in 4 inboards, simultaneously with the connecting card of connecting wire 2 in connecting the draw-in groove 42, avoided the winding of knoing of wire.
The parts of the two ends of the connecting lead 2, which are contacted with the connecting column 11 and the electrode 3, are provided with metal connecting sheets, and the metal connecting sheets are connected with metal wire cores inside the connecting lead 2. The connection between the electrode 3-the connecting lead 2-the connecting column 11 is realized by the metal contact piece to transmit the signal. The two ends of the connecting-wire 2 are provided with nut structures and the metal contact pieces are located at the positions of the nut structures and the contact portions of the connecting-wire.
The winding device 41 is a round-angle rectangular boss, the bottom surface of the round-angle rectangular boss is fixedly connected with the inner side surface of the back plate 4, and a groove is formed in the side surface. The connecting wire is wound in the groove. The provision of the winding device in a rounded rectangular shape allows the connecting-wire 2 to be wound around the groove without the wire being damaged due to excessive curvature.
The connector clamping groove 42 is arranged on the inner side surface of the back plate 4, and the notch of the connector clamping groove 42 is just opposite to the circular arc part of the round-angle rectangular boss. The connecting wires 2 are wound and the terminals are then clamped in the terminal clamping grooves 42. The wire is wound in the winding device 41 more stably.
Through above-mentioned device, can overcome wire length and to the use scene restriction of conductivity meter and be difficult to the winding of knoing to the electrode is removable, and the replacement cost is low, so that to the maintenance of conductivity meter.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (4)
1. A conductivity meter, characterized by: comprises an instrument main body, electrodes, connecting leads and a back plate; the top of the instrument main body is provided with a connecting column, one end of the connecting lead is connected with the connecting column in a screw rod-nut structure, and the other end of the connecting lead is connected with one end of the electrode in a screw rod-nut structure; the back of the instrument main body is provided with a lead accommodating groove and an electrode accommodating groove; one side of the back plate is hinged with one side of the back of the instrument main body, a winding device and two connector clamping grooves are arranged on the inner side surface of the back plate, and the connector clamping grooves are located on one side of the winding device.
2. The conductivity meter according to claim 1, wherein: and metal connecting sheets are arranged at the parts of the two ends of the connecting wires, which are in contact with the connecting columns and the electrodes, and are connected with the metal wire cores inside the connecting wires.
3. The conductivity meter according to claim 1, wherein: the winding device is a round-angle rectangular boss, the bottom surface of the round-angle rectangular boss is fixedly connected with the inner side surface of the back plate, and a groove is formed in the side surface of the round-angle rectangular boss.
4. The conductivity meter according to claim 3, wherein: the connector clamping groove is formed in the inner side face of the back plate, and the notch of the connector clamping groove is opposite to the position of the circular arc part of the rounded rectangular boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306861.7U CN211043507U (en) | 2019-08-13 | 2019-08-13 | Conductivity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306861.7U CN211043507U (en) | 2019-08-13 | 2019-08-13 | Conductivity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211043507U true CN211043507U (en) | 2020-07-17 |
Family
ID=71534280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921306861.7U Active CN211043507U (en) | 2019-08-13 | 2019-08-13 | Conductivity meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211043507U (en) |
-
2019
- 2019-08-13 CN CN201921306861.7U patent/CN211043507U/en active Active
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