Temperature and pressure calibration connecting device
By designing a temperature and pressure calibration connection device with a sealing flange and interface structure, the problems of insufficient measurement in wireless systems and poor sealing in wired systems are solved, enabling accurate, rapid, and real-time calibration under high temperature and high pressure environments, and making it suitable for various sterilizers.
Patent Information
- Application Number
- CN202520231377.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing wireless temperature and pressure testing systems suffer from problems in sterilizer calibration, such as difficulty in quickly balancing the temperature probe with the environment, narrow measurement range, insufficient accuracy, inability to transmit data in real time, high cost, and large size. Wired systems, on the other hand, lack calibration connection devices, resulting in poor sealing and inaccurate data.
Design a temperature and pressure calibration connection device, including a sealing flange, a temperature sensor interface, a pressure gauge interface, and a detection connection port. It adopts a detachable wired sensor for point testing, is suitable for high temperature and high pressure environments, ensures sealing performance, and supports real-time data transmission.
It enables accurate, rapid, and real-time temperature and pressure calibration without compromising the sterilizer's seal, making it suitable for sterilizer calibration in various environments and reducing maintenance costs and power consumption.
Smart Images
Figure CN223741643U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to temperature pressure calibration technical field, especially, relate to a temperature pressure calibration connecting device. BACKGROUND
[0002] The calibration of sterilizer, thermostatic test equipment and atmospheric pressure test box needs to calibrate the temperature and pressure parameters in the effective sealed space. The common test scheme is generally divided into two kinds: one is to calibrate after adopting wired temperature sensor and pressure sensor distribution point; the other is to calibrate using wireless temperature and pressure test sensor.
[0003] The existing wired temperature and pressure test scheme is generally that the manufacturer's internal laboratory reserves the sealed test interface for the respective sterilizer for wired temperature sensor and pressure sensor access, but the sterilizer out of the factory does not have the corresponding matching calibration connecting device, and the measured object cannot be calibrated due to no reserved measurement interface, or the reserved port has poor sealing, which is easy to leak, resulting in inaccurate calibration data.
[0004] At present, many enterprises develop wireless temperature and pressure test sensors for the calibration of test equipment, including the following two ways: temperature and pressure integrated type, temperature and pressure wireless probes are packaged in the same module, and the wireless temperature and pressure module is placed in the designated position in the sterilizer during calibration, and the reading is taken out after measurement; temperature probe built-in type, external armored platinum resistance thermometer is used to measure temperature. However, the current wireless temperature (pressure) measurement system still has the following problems: it is difficult for the temperature probe to quickly reach equilibrium with the environment in the sterilizer during testing, the measurement range is relatively narrow, the temperature test range is generally (-40~150) DEG C, the test precision is generally ±0.10 DEG C, which does not meet the demand of the highest temperature of the sterilizer; it does not have real-time data transmission function, and the calibration data needs to be read after the test is completed, so the device cannot be adjusted in time during the test process, although some enterprises develop wireless sensors that can make wireless signals penetrate the sterilizer, but the power consumption and volume are also very large, which is not suitable for daily measurement work; the volume of a single sensor is too large to be used for testing the temperature in the package of a large sterilizer; the manufacturing cost and maintenance cost of the wireless sensor are high, and the power consumption and power consumption are large, so the battery needs to be replaced frequently. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims at providing a temperature pressure calibration connecting device.
[0006] A temperature and pressure calibration connecting device comprises a sealing flange, a temperature sensor interface, a pressure gauge interface, and a detection connecting port; the sealing flange is hollow inside; a plurality of temperature sensor interfaces are arranged on the surface of the sealing flange, one end of the pressure gauge interface is arranged on the same surface of the sealing flange, and the other end of the temperature sensor interface extends into the hollow inside of the sealing flange; the detection connecting port is arranged on the other surface of the sealing flange and extends outward, the detection connecting port is hollow inside and communicates with the hollow inside of the sealing flange, and the detection connecting port is used for connecting with the pressure gauge interface of a device to be detected or a reserved interface of the device to be detected.
[0007] The temperature and pressure calibration connecting device can be directly connected to the pressure gauge interface or the reserved interface of the device to be detected, has wide applicability, the temperature sensor connected to the temperature sensor interface can be extended into the device to be detected for point testing without damaging the sealing property of the device to be detected, has wide applicability, and is more convenient and fast.
[0008] Further, the sealing flange comprises a sealing flange upper cover and a sealing flange lower cover, concentrically symmetrical flange sealing screw holes are arranged at the edges of the sealing flange upper cover and the sealing flange lower cover respectively, and the sealing flange upper cover and the sealing flange lower cover abut against each other. The sealing flange upper cover and the sealing flange lower cover are tightly connected together through the flange sealing screw holes, and the sealing property is maintained.
[0009] Further, the pressure gauge interface is arranged in the middle of the sealing flange upper cover.
[0010] Further, a first annular groove is arranged in the middle of one surface of the sealing flange upper cover away from the sealing flange lower cover, a plurality of temperature sensor interfaces are uniformly distributed in the first groove of the sealing flange upper cover, and one end of the temperature sensor interface extends out of the sealing flange upper cover.
[0011] Further, a second groove is arranged on one surface of the sealing flange lower cover close to the sealing flange upper cover, and the second groove is used for accommodating one end of the temperature sensor interface and connecting the pressure gauge interface.
[0012] Further, the detection connecting port is arranged on the sealing flange lower cover and extends away from the sealing flange upper cover; the detection connecting port is hollow inside and communicates with the second groove.
[0013] Further, the temperature sensor interface is a sealed aviation plug, and the aviation plug is sealed on the sealing flange by means of sintered glass sealing or filling sealant sealing.
[0014] In order to better understand and implement, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of temperature pressure calibration connecting device of the utility model;
[0016] Figure 2 It is the plan view of temperature pressure calibration connecting device of the utility model;
[0017] Figure 3 It is the section view after cutting along line A-A in Figure 2 Specific embodiment
[0018] The utility model discloses a temperature pressure calibration connecting device that can connect multiple wired temperature sensors and a standard pressure gauge, which is suitable for various harsh environments with high temperature and high pressure, easy to carry, wide measurement range and can be used for temperature and pressure calibration of various sterilizers.
[0019] Please refer to Figures 1-3 The temperature pressure calibration connecting device comprises a sealing flange 1 and a temperature sensor interface 2, a pressure gauge interface 3 and a detection connecting port 4 arranged on the sealing flange 1.
[0020] The sealing flange 1 comprises a sealing flange upper cover 11 and a sealing flange lower cover 12, and the sealing flange upper cover 11 and the sealing flange lower cover 12 abut to form a complete sealing flange 1. The sealing flange upper cover 11 and the sealing flange lower cover 12 are provided with concentrically symmetrical flange sealing screw holes 13 at edges, respectively, the sealing flange upper cover 11 and the sealing flange lower cover 12 are tightly connected together through the flange sealing screw holes 13, and sealing is maintained.
[0021] The sealing flange upper cover 11 is provided with a ring-shaped first groove in the middle of one side away from the sealing flange lower cover 12, the pressure gauge interface 3 is arranged in the middle of the sealing flange upper cover 11, a plurality of temperature sensor interfaces 2 are uniformly distributed in the first groove of the sealing flange upper cover 11, one end of the temperature sensor interface 2 extends out of the sealing flange upper cover 11, and the sealing flange lower cover 12 is provided with a second groove on one side close to the sealing flange upper cover 11 and used for accommodating one end of the temperature sensor interface 2 and connecting the pressure gauge interface 3. The detection connecting port 4 is arranged on the sealing flange lower cover 12 and extends away from the sealing flange upper cover 11, and the detection connecting port 4 is hollow and communicates with the second groove.
[0022] The temperature sensor interface 2 is a sealed aviation plug, which is sealed on the sealing flange 1 by sintering glass sealing or pouring sealant sealing, etc. In the embodiment, seven aviation plugs with four pin feet are arranged on the sealing flange 1, which can be connected with seven four-wire or two-wire platinum resistance temperature sensors, and can meet the arrangement quantity requirements of large and small standard devices for temperature and pressure calibration. The temperature sensor can be quickly disassembled and stored after calibration, and is convenient to carry.
[0023] The pressure gauge interface 3 is a standard pressure gauge interface 3, which is used for connecting a pressure gauge, and can be extended to connect a tee joint. The pressure gauge interface 3 is common with the temperature sensor interface 2 and does not interfere with each other, so as to ensure that the pressure gauge and the pressure gauge of the detected device are under the same pressure.
[0024] The detection connection port 4 is directly connected to the pressure gauge interface of the detected device or the interface reserved by the detected device, such as a sterilizer. The connection device can be connected with a wired temperature sensor and a standard pressure gauge under the condition of ensuring sealing, and can transmit temperature and pressure data in real time through the existing temperature calibration instrument. In the embodiment, the temperature and pressure calibration connection device can work in the environment of (-90-300) DEG C and (0-1.5) MPa.
[0025] In use, the sealing flange upper cover 11 and the sealing flange lower cover 12 are sealed and connected through the flange sealing hole 13; the temperature sensor connection aviation plug connects the temperature sensor, and the pressure gauge interface 3 connects the pressure gauge. The detection connection port 4 is sealed and connected with the pressure gauge interface 3 of the detected sterilizer, so as to realize the sealing between the sealing flange 1 and the detected sterilizer, ensure that the standard pressure gauge and the pressure gauge of the detected sterilizer are under the same pressure, and realize calibration under the condition of sealing.
[0026] The temperature and pressure calibration connection device can be directly connected to the pressure gauge interface of the detected sterilizer or the interface reserved by the detected sterilizer, and is suitable for various wired temperature calibration instruments on the market. The temperature sensor can be inserted into the detected sterilizer for point testing without damaging the sealing property of the detected sterilizer, so that the advantages of traditional wired temperature sensors, such as precision, speed and real-time, can be played, and the sterilizer calibration work in various environments can be adapted. The connection between the connection device and the temperature sensor and the pressure sensor adopts a detachable design, which is convenient to carry out and is also convenient for maintenance of the standard device.
[0027] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, several modifications and improvements can be made, and the utility model also intends to include these changes and modifications.
Claims
1. A temperature pressure calibration connection device, characterized by: The sealing flange, temperature sensor interface, pressure gauge interface, detection connection port; the sealing flange is hollow inside; a plurality of temperature sensor interfaces are arranged on the surface of the sealing flange, one end of the pressure gauge interface is arranged on the same side of the sealing flange, the other end of the temperature sensor interface extends into the hollow inside of the sealing flange; the detection connection port is arranged on the other side of the sealing flange and extends outward, the detection connection port is hollow inside and communicates with the hollow inside of the sealing flange, and the detection connection port is used for connecting with the pressure gauge interface of the detected equipment or the reserved interface of the detected equipment.
2. The temperature pressure calibration connection apparatus of claim 1, wherein: The sealing flange comprises a sealing flange upper cover and a sealing flange lower cover, concentrically symmetric flange sealing screw holes are arranged on the edges of the sealing flange upper cover and the sealing flange lower cover respectively, and the sealing flange upper cover and the sealing flange lower cover abut.
3. The temperature pressure calibration connection apparatus of claim 2, wherein: The pressure gauge interface is arranged in the middle of the sealing flange upper cover.
4. The temperature and pressure calibration connection apparatus of claim 2, wherein: A ring-shaped first groove is arranged in the middle of one side of the sealing flange upper cover away from the sealing flange lower cover, a plurality of temperature sensor interfaces are uniformly distributed in the first groove of the sealing flange upper cover, and one end of the temperature sensor interface extends out of the sealing flange upper cover.
5. The temperature and pressure calibration connection apparatus of claim 4, wherein: A second groove is arranged on one side of the sealing flange lower cover close to the sealing flange upper cover, and the second groove is used for accommodating one end of the temperature sensor interface and connecting the pressure gauge interface.
6. The temperature pressure calibration connection apparatus of claim 5, wherein: The detection connection port is arranged on the sealing flange lower cover and extends away from the sealing flange upper cover; the detection connection port is hollow inside and communicates with the second groove.
7. The temperature and pressure calibration connection apparatus of claim 1, wherein: The temperature sensor interface is a sealed aviation plug, and the aviation plug is sealed on the sealing flange by means of sintered glass sealing or filling sealant sealing.