Digital total chlorine sensor

Abstract

The utility model discloses a digital total chlorine sensor, which comprises a sensor shell, and is characterized in that a filling cavity and a membrane head cover are arranged in the sensor shell, the filling cavity is formed by filling electrolyte and gelling, a membrane head is arranged at the bottom of the filling cavity, and the membrane head cover is arranged on the membrane head cover. A platinum thermistor is arranged in the membrane head and electrically connected with silver electrode ends arranged on the two sides in the membrane head, a gold electrode end is arranged at the bottom end between the two silver electrode ends, and the membrane head and a membrane head cover matched with the membrane head are rotationally connected into a whole. According to the utility model, the original electrolyte is gelatinized by using polyhydroxy organic matters according to a certain proportion, so that the main components in the electrolyte are contained in gel, the electrolyte cannot generate crystallization dialysis in the use process, the replacement period is prolonged to 9 months, and a PET support is additionally arranged on the permeable membrane, so that the membrane is not easy to deform and better in pressure resistance; and PET is mounted as an outer layer, has certain self-lubricating and hydrophobic properties, and is not easy to be attached and polluted by a water sample.

Description

Technical Field

[0001] The utility model relates to the technical field of total chlorine sensors, in particular to a digital total chlorine sensor. Background Art

[0002] Generally, the electrolyte is liquid and can be easily contaminated by reverse osmosis. The electrolyte solution has crystallization dialysis, and the electrolyte replacement cycle is frequent. In addition, the osmotic membrane is thin and can be easily damaged and has poor pressure resistance. Therefore, a digital total chlorine sensor is produced by using high gel electrolyte and improving the pressure resistance of the osmotic membrane to solve this problem. Utility Model Content

[0003] The utility model aims to provide a digital total chlorine sensor, which has the advantages of increased firmness and aesthetics due to embedded installation.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a digital total chlorine sensor, comprising a sensor housing, a filling cavity and a membrane head cover are arranged inside the sensor housing, the filling cavity is made of gelled electrolyte, and a membrane head is arranged at the bottom of the filling cavity, a platinum thermal resistor is arranged in the membrane head and is electrically connected to the silver electrode ends arranged on both sides of the membrane head, a gold electrode end is arranged at the bottom between the two silver electrode ends, and the membrane head and the membrane head cover that cooperate with each other are connected to each other by rotation.

[0005] As a preferred solution, the platinum thermal resistor adopts PT1000 platinum resistor

[0006] As a preferred solution, a permeable membrane supported by PET is provided on the membrane head cover, so that the permeable membrane is not easily deformed.

[0007] As a preferred solution, the sensor housing is made of PVC.

[0008] As a preferred solution, the electrolyte filled in the filling cavity is a high-gel electrolyte, so that crystallization dialysis will not occur during the use of the electrolyte.

[0009] As a preferred solution, the outer end of the snap-fitting protrusion is arranged in an arc shape as a whole, and the middle part of the outer end of the snap-fitting protrusion is designed to be flat.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model uses polyhydroxy organic matter to gel the original electrolyte in a certain proportion, so that the main components of the electrolyte are contained in the gel. Crystallization dialysis will not occur during the use of the electrolyte, and the replacement cycle is extended. The permeable membrane is equipped with PET support, which makes the membrane not easy to deform and has better pressure resistance. PET is installed as the outer layer and has certain self-lubrication and hydrophobicity, and is not easy to be attached to and contaminated by water samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0013] Figure 2 It is a structural sectional view of the membrane head of the utility model.

[0014] In the figure: 1. filling cavity; 2. sensor housing; 3. membrane head cover; 4. platinum thermal resistor; 5. silver electrode end; 6. gold electrode end. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the 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 in 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.

[0016] See also Figure 1-2 The utility model discloses a digital total chlorine sensor, comprising a sensor housing 2, wherein the sensor housing 2 made of PVC material is provided with a filling cavity 1 and a membrane head cover 3, wherein the filling cavity 1 is filled with a high-gel electrolyte gelled, so that the electrolyte will not produce crystallization dialysis during use, and a membrane head is provided at the bottom of the filling cavity 1 to cooperate with the positive and negative electrodes, and a platinum thermal resistor is provided in the membrane head, wherein the platinum thermal resistor adopts a PT10004 platinum resistor, and the platinum thermal resistor is electrically connected to the silver electrode ends 5 provided on both sides of the membrane head, and a gold electrode end is provided at the bottom between the two silver electrode ends 5, and the membrane head on the sensor housing 2 and the membrane head cover 3 that cooperate with each other are connected to one another by twisting the membrane head cover 3, and secondly, a permeable membrane supported by PET is provided on the membrane head cover 3, and PET is installed as the outer layer, has certain self-lubrication and hydrophobicity, is not easily attached to or contaminated by water samples, and can make the permeable membrane not easily deformed, and the permeable membrane is more firm to use ...

[0017] 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 the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A digital total chlorine sensor, comprising a sensor housing (2), characterized in that: The sensor housing (2) is provided with a filling cavity (1) and a membrane head cover (3) inside. The filling cavity (1) is filled with electrolyte gelled, and a membrane head is provided at the bottom of the filling cavity (1). A platinum thermal resistor (4) is provided in the membrane head and is electrically connected to silver electrode terminals (5) provided on both sides of the membrane head. A gold electrode terminal (6) is provided at the bottom between the two silver electrode terminals (5). The membrane head and the membrane head cover (3) that cooperate with each other are connected to each other by rotating the membrane head cover (3).

2. A digital total chlorine sensor according to claim 1, characterized in that: The platinum thermal resistor adopts PT1000 platinum resistor.

3. A digital total chlorine sensor according to claim 1, characterized in that: The membrane head cover (3) is provided with a permeable membrane supported by PET.

4. A digital total chlorine sensor according to claim 1, characterized in that: The sensor housing (2) is made of PVC material.

5. A digital total chlorine sensor according to claim 1, characterized in that: The electrolyte filled in the filling chamber (1) is a high-gel electrolyte.

Images