Integrated temperature and liquid level transmitter

By designing an integrated temperature and liquid level transmitter with integrated thermocouple and pressure sensor, the problem of insufficient flange openings in old storage tanks was solved, and integrated detection of temperature and liquid level as well as rapid installation and disassembly were achieved.

CN223346204UActive Publication Date: 2025-09-16FUYI INTELLIGENT INSTR (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202422619543.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-16
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Old storage tanks have fewer flange openings, which makes it impossible to effectively complete automation transformation. The existing transmitter installation method results in insufficient flange openings, making it impossible to monitor temperature and liquid level simultaneously.

Method used

An integrated temperature and level transmitter is designed, which integrates a thermocouple and a pressure sensor in the transmitter head. The temperature is detected by the thermocouple, and the liquid level is detected by the pressure sensor. Filter holes and sealing structures are set on the transmitter protective tube and protective cap to prevent liquid from entering.

Benefits of technology

The temperature and liquid level detection are integrated into one transmitter detection head, which solves the problem of insufficient flange openings. The sealing structure prevents liquid from entering, making installation and disassembly convenient and quick.

✦ Generated by Eureka AI based on patent content.

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Abstract

A transmitting head is divided into a transmitting seat, a transmitting protective tube and a transmitting protective cap, a thermocouple is fixed on the transmitting seat, a pressure sensor is fixed in the transmitting protective tube, and a filter hole is arranged on the transmitting protective cap, so that the temperature can be detected through the thermocouple, and the temperature can be detected through the pressure sensor. The liquid level height can be detected through the pressure sensor, so that temperature detection and liquid level detection are integrated in one transmitting detection head, and the problem that automatic transformation of an old storage tank cannot be effectively completed due to the fact that a flange opening is not enough to use is effectively solved.
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Description

Technical Field

[0001] The utility model relates to the field of electromechanical equipment, in particular to an integrated temperature and liquid level transmitter. Background Art

[0002] At present, there are few free flange openings in old storage tanks. During the automation transformation process, the temperature and liquid level in the tank need to be monitored. Generally, one transmitter is installed on one flange opening. This installation method will result in insufficient flange openings and the automation transformation of old storage tanks cannot be effectively completed.

[0003] In summary, an integrated temperature and level transmitter is needed to address the deficiencies in the prior art. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides an integrated temperature and liquid level transmitter, aiming to solve the above problems.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an integrated temperature and level transmitter, comprising a transmitter body, a transmitter tube provided on the transmitter body, the transmitter tube being detachably connected to the transmitter body, a transmitter head provided on the transmitter tube, the transmitter head being fixedly connected to the transmitter tube, the transmitter head comprising a transmitter seat, a transmitter protective tube and a transmitter protective cap, the transmitter seat and the transmitter protective cap being fixedly connected at both ends of the transmitter protective tube, a thermocouple provided on the transmitter seat, the thermocouple being fixedly connected to the transmitter seat, a pressure sensor provided in the transmitter protective tube, the pressure sensor being fixedly connected to the transmitter protective tube, and a filter hole provided on the transmitter protective cap. The transmitter head is divided into a transmitter base, a transmitter protective tube and a transmitter protective cap. The thermocouple is fixed on the transmitter base, the pressure sensor is fixed in the transmitter protective tube, and a filter hole is set on the transmitter protective cap. In this way, the temperature can be detected by the thermocouple and the liquid level height can be detected by the pressure sensor. In this way, temperature detection and liquid level detection are integrated in one transmitter detection head, which effectively solves the problem of insufficient flange openings and inability to effectively complete the automation transformation of old storage tanks.

[0006] Optionally, a transmission pressure ring is provided above the pressure sensor, connected to the transmission protection tube and in contact with the pressure sensor. Installing the transmission pressure ring above the pressure sensor, pressing the pressure sensor, and filling the transmission protection tube with glue can effectively prevent dust and leakage.

[0007] Optionally, a transmitting plug is provided on the transmitting seat, and the transmitting plug is fixedly connected to the transmitting seat.

[0008] Optionally, a conical sealing ring is provided between the transmitting plug and the transmitting seat, and the conical sealing ring fits both the transmitting plug and the transmitting seat.

[0009] The transmitting plug and the conical sealing ring can effectively seal the transmitting plug and the transmitting tube to prevent the detection liquid from entering the transmitting tube.

[0010] Optionally, O-rings are provided at the connections between the transmitter protection tube, the transmitter seat, and the transmitter protection cap, and the O-rings are in close contact with the transmitter protection tube, the transmitter seat, and the transmitter protection cap. The O-rings provided at the connections between the transmitter protection tube, the transmitter seat, and the transmitter protection cap can effectively prevent the test liquid from entering the transmitter head.

[0011] Optionally, a threaded connection seat and a connecting flange are provided between the transmitter body and the transmitter tube. The transmitter body is threadedly connected to the threaded connection seat, the threaded connection seat is fixedly connected to the connecting flange, and the connecting flange is fixedly connected to the transmitter tube. The transmitter body is connected to the tank body via the threaded connection seat and the connecting flange, facilitating quick and efficient installation and removal of the transmitter.

[0012] Beneficial effects of the utility model:

[0013] 1. In this utility model, the transmitter head is divided into a transmitter seat, a transmitter protective tube and a transmitter protective cap. The thermocouple is fixed on the transmitter seat, the pressure sensor is fixed in the transmitter protective tube, and a filter hole is provided on the transmitter protective cap. In this way, the temperature can be detected by the thermocouple, and the liquid level can be detected by the pressure sensor. In this way, temperature detection and liquid level detection are integrated in one transmitter detection head, which effectively solves the problem of insufficient flange openings and inability to effectively complete the automation transformation of old storage tanks.

[0014] 2. In the present invention, a transmission pressure ring is installed above the pressure sensor to compress the pressure sensor, and glue is poured into the transmission protective tube to effectively prevent dust and leakage. The transmission plug and the conical sealing ring can effectively seal the transmission plug and the transmission tube to prevent the detection liquid from entering the transmission tube.

[0015] 3. In the present invention, O-rings are provided at the connections between the transmitter protection tube, transmitter seat and transmitter protection cap, which can effectively prevent the detection liquid from entering the transmitter head. The transmitter body is connected to the tank body through a threaded connection seat and a connecting flange, which facilitates quick and effective installation and disassembly of the transmitter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 This is a schematic diagram of a cross-sectional structure of the present utility model.

[0018] In the figure: 1. Transmitter body; 2. Transmitter tube; 3. Transmitter head; 4. Threaded connection seat; 5. Connecting flange; 30. O-ring; 31. Transmitter seat; 32. Transmitter protective tube; 33. Transmitter protective cap; 34. Filter hole; 35. Thermocouple; 36. Pressure sensor; 37. Transmitter pressure ring; 38. Transmitter plug; 39. Conical sealing ring. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] In conjunction with the instructions Figure 1 -Attached Figure 2 , explain this technical solution

[0021] like Figure 1-Figure 2 As shown, an integrated temperature and level transmitter includes a transmitter body 1, a transmitter tube 2 is provided on the transmitter body 1, the transmitter tube 2 is detachably connected to the transmitter body 1, a transmitter head 3 is provided on the transmitter tube 2, the transmitter head 3 is fixedly connected to the transmitter tube 2, the transmitter head 3 includes a transmitter seat 31, a transmitter protective tube 32 and a transmitter protective cap 33, the two ends of the transmitter protective tube 32 are fixedly connected to the transmitter seat 31 and the transmitter protective cap 33 respectively, a thermocouple 35 is provided on the transmitter seat 31, the thermocouple 35 is fixedly connected to the transmitter seat 31, a pressure sensor 36 is provided in the transmitter protective tube 32, the pressure sensor 36 is fixedly connected to the transmitter protective tube 32, and a filter hole 34 is provided on the transmitter protective cap 33.

[0022] A transmitting pressure ring 37 is provided above the pressure sensor 36, which is connected to the transmitting protective tube 32 and fits with the pressure sensor 36. A transmitting plug 38 is provided on the transmitting seat 31, which is fixedly connected to the transmitting seat 31. A conical sealing ring 39 is provided between the transmitting plug 38 and the transmitting seat 31, which fits with both the transmitting plug 38 and the transmitting seat 31. O-rings 30 are provided at the connections between the transmitting protective tube 32, the transmitting seat 31 and the transmitting protective cap 33, which fit with the transmitting protective tube 32, the transmitting seat 31 and the transmitting protective cap 33. A threaded connection seat 4 and a connecting flange 5 are provided between the transmitter body 1 and the transmitting tube 2. The transmitter body 1 is threadedly connected to the threaded connection seat 4, which is fixedly connected to the connecting flange 5, and the connecting flange 5 is fixedly connected to the transmitting tube 2.

[0023] The working principle of this utility model is as follows: the transmitter head is divided into a transmitter seat, a transmitter protective tube and a transmitter protective cap. The thermocouple is fixed on the transmitter seat, the pressure sensor is fixed in the transmitter protective tube, and a filter hole is provided on the transmitter protective cap. In this way, the temperature can be detected by the thermocouple, and the liquid level height can be detected by the pressure sensor. In this way, the temperature detection and liquid level detection are integrated in one transmitter detection head, which effectively solves the problem of insufficient flange openings and the inability to effectively complete the automation transformation of old storage tanks.

[0024] Install the transmitter pressure ring above the pressure sensor to press the pressure sensor, and fill the transmitter protective tube with glue to effectively prevent dust and leakage. The transmitter plug and the conical sealing ring can effectively seal the transmitter plug and the transmitter tube to prevent the detection liquid from entering the transmitter tube.

[0025] O-rings are installed at the connections between the transmitter protection tube, transmitter base and transmitter protection cap to effectively prevent the test liquid from entering the transmitter head. The transmitter body is connected to the tank body through a threaded connection base and a connecting flange, which facilitates quick and effective installation and disassembly of the transmitter.

[0026] There are four filter holes on the transmitter cap, which can filter large particles to prevent clogging or scratching the sensor. When small particles accumulated for a long time clog the channel hole, the transmitter cap can be removed for cleaning.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An integrated temperature and level transmitter, characterized in that: It includes a transmitter body, a transmitter tube is provided on the transmitter body, the transmitter tube is detachably connected to the transmitter body, a transmitter head is provided on the transmitter tube, the transmitter head is fixedly connected to the transmitter tube, the transmitter head includes a transmitter seat, a transmitter protective tube and a transmitter protective cap, the transmitter seat and the transmitter protective cap are fixedly connected at both ends of the transmitter protective tube, a thermocouple is provided on the transmitter seat, the thermocouple is fixedly connected to the transmitter seat, a pressure sensor is provided in the transmitter protective tube, the pressure sensor is fixedly connected to the transmitter protective tube, and a filter hole is provided on the transmitter protective cap.

2. The integrated temperature and level transmitter according to claim 1, characterized in that: A transmission pressure ring is provided above the pressure sensor, and the transmission pressure ring is connected to the transmission protection tube and fits with the pressure sensor.

3. The integrated temperature and level transmitter according to claim 1, characterized in that: A transmitting plug is provided on the transmitting seat, and the transmitting plug is fixedly connected to the transmitting seat.

4. The integrated temperature and level transmitter according to claim 3, characterized in that: A conical sealing ring is provided between the transmitting plug and the transmitting seat, and the conical sealing ring is in contact with both the transmitting plug and the transmitting seat.

5. The integrated temperature and liquid level transmitter according to claim 1, characterized in that: O-type sealing rings are provided at the connection between the transmission protection tube, the transmission seat and the transmission protection cap, and the O-type sealing rings are all in contact with the transmission protection tube, the transmission seat and the transmission protection cap.

6. The integrated temperature and liquid level transmitter according to any one of claims 1 to 5, characterized in that: A threaded connection seat and a connecting flange are provided between the transmitter body and the transmitter tube. The transmitter body is threadedly connected to the threaded connection seat. The threaded connection seat is fixedly connected to the connecting flange. The connecting flange is fixedly connected to the transmitter tube.