CN217980604U

CN217980604U - Thermotechnical instrument verification system

Info

Publication number: CN217980604U
Application number: CN202222355095.1U
Authority: CN
Inventors: 徐震震; 何保军
Original assignee: Shandong Pan Ran Instrument Group Co ltd
Current assignee: Shandong Pan Ran Instrument Group Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-06
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a thermal technology instrument verification system belongs to thermal technology instrument technical field. The assay system comprises: a base; the top of the base is fixedly connected with a fixed frame, and the top of the fixed frame is fixedly connected with a wiring table and a scanner; the fixing frame is fixedly connected with a thermostatic chamber, and the thermostatic chamber is used for placing the electric measuring instrument and providing a constant temperature environment for the electric measuring instrument. The utility model discloses in connect terminal table and scanner and thermostatic chamber on the mount of base, form the structure of an integrated form, place the electricity through miniature thermostatic chamber and survey the instrument, create the constant temperature environment for the electricity surveys the instrument for this examination system integrated level is higher, and the reliability is higher.

Description

Thermotechnical instrument verification system

Technical Field

The utility model relates to a thermal technology instrument technical field, in particular to thermal technology instrument verification system.

Background

The thermotechnical instrument mainly comprises: thermal resistors, thermocouples, temperature transmitters, etc., a large number of temperature sensors need to be periodically calibrated according to national relevant regulations.

In original verification system, included verification system rack and terminal board two parts, the rack comprises digital table and scanner, and at thermocouple or thermal resistance verification in-process, for guaranteeing the accuracy of data surveyed, the constant temperature environment need be arranged in to the digital table, consequently needs the user to create a constant temperature environment for it alone for it is more troublesome to examine and determine work.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior art problem, the utility model provides a thermotechnical instrument verification system. The certification system comprises: a base;

the top of the base is fixedly connected with a fixed frame, and the top of the fixed frame is fixedly connected with a wiring table and a scanner;

the fixing frame is fixedly connected with a thermostatic chamber, and the thermostatic chamber is used for placing the electric measuring instrument and providing a constant temperature environment for the electric measuring instrument.

Further, the thermostatic chamber includes: a housing;

the shell is fixedly connected with the fixing frame, the side wall of the shell is hinged with an opening and closing door, the outer wall of the shell is provided with a temperature controller,

and a temperature sensor and a temperature control device are arranged in the shell, and the temperature sensor and the temperature control device are electrically connected with the temperature controller.

Furthermore, a groove is formed in the side wall of the shell, and the fixing frame is fixedly connected with the groove.

Furthermore, the bottom of the base is fixedly connected with a plurality of supporting legs, and the bottoms of the supporting legs are connected with universal wheels.

Further, the fixing frame includes: an outer barrel and an inner top;

the inner top and the outer barrel are both hollow, the bottom of the inner top is fixedly connected with the top of the base, the outer barrel is sleeved on the outer wall of the inner top, the wiring table and the scanner are fixed on the top of the outer barrel, and the thermostatic chamber is fixed on the outer barrel;

an electric push rod is arranged in the inner top, and the telescopic end of the electric push rod is connected with the top of the inner side of the outer barrel.

The utility model provides a technical scheme's beneficial effect is: the utility model discloses in connect terminal table and scanner and thermostatic chamber on the mount of base, form the structure of an integrated form, place the electric measuring instrument through miniature thermostatic chamber, for the electric measuring instrument creates the constant temperature environment for this examination system uses more portable convenience. In addition, scanner and terminal table are two solitary products among the former verification system, and the wiring process is more loaded down with trivial details, has increaseed the task volume of examination work to because of the difference nature between the wire rod, can reduce the reliability of equipment to a certain extent, the utility model provides a terminal table and scanner's model can be PR160 or PR150, and terminal table and scanner two unifications need not connect very many long and complicated wiring again, have avoided leading to measuring result's inaccuracy because of the difference between the wire rod.

Drawings

Fig. 1 is a schematic structural diagram of a thermal instrument calibration system provided by the present invention;

FIG. 2 is a schematic structural view of a thermostatic chamber provided by the present invention;

fig. 3 is a schematic structural view of a fixing frame according to the present invention.

Reference numerals: 1-a base; 2-a fixing frame; 3-a terminal block and a scanner; 4-a thermostatic chamber; 5-electrical measuring instrument; 6-groove; 7-a support leg; 8-universal wheels; 9-outer cylinder; 10-inner top; 11-opening and closing the door; 12-a temperature controller; 13-a housing; 14 reserving a hole; 15-brush.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-3, a thermal instrument verification system includes: the thermal instrument calibration system comprises a base 1 and a thermostatic chamber 4, wherein 4 supporting legs 7 are fixedly connected to the bottom of the base 1, the 4 supporting legs 7 are uniformly distributed, and universal wheels 8 are connected to the bottoms of the supporting legs 7, so that the thermal instrument calibration system can move conveniently; fixedly connected with mount 2 is passed through at 1 top of base, and mount 2 includes: urceolus 9 and interior top 10, interior top 10 and urceolus 9 are inside to be the cavity form, bolt fixed connection is passed through with base 1 top in the bottom of interior top 10, the outer wall of top 10 is established in the cover of urceolus 9, urceolus 9 and interior top 10 sliding connection, terminal and scanner 3 pass through the bolt fastening at urceolus 9 top, thermostatic chamber 4 passes through the bolt fastening on urceolus 9, install electric putter in the interior top 10, electric putter's flexible end is connected with the inboard top of urceolus 9, the outside can be provided with control electric putter's lift switch, through lift switch control electric putter's flexible, make electric putter's flexible end drive urceolus 9's lift, thereby can adjust the height of terminal and scanner 3.

The thermostatic chamber 4 includes: shell 13 is provided with recess 6 on the lateral wall of shell 13, and urceolus 9 passes through bolt fixed connection with recess 6, sets up the opening on the lateral wall of shell 13, and the articulated shutter 11 that opens and shuts of opening part lateral wall, 11 play of shutter are provided with

preformed hole

14, and 14 departments of preformed hole are connected with brush 15, and preformed hole 14 is used for the wire to pass, thereby brush 15 can prevent that the dust from getting into in thermostatic chamber 4 and reducing the change of temperature in the thermostatic chamber 4. Be provided with temperature control device in thermostatic chamber 4, temperature control device includes: the temperature sensor is arranged in the thermostatic chamber 4, the side wall of the shell 13 is connected with a fan net, the fan net corresponds to the fan of the radiator in position, the bottom of the shell 13 is provided with heat dissipation holes, and the heat dissipation holes are located under the radiator. The type of the heater can be HG140, the type of the temperature sensor can be DS18B20, and the type of the radiator can be JONSBO HP 400.

The outside of shell 13 is provided with temperature controller 12, and temperature controller 12's model can be PR5401, and radiator, temperature sensor and heater all are connected with temperature controller 12 electricity, are provided with the display screen on this temperature controller 12, and temperature sensor detects the temperature in thermostatic chamber 4 to with the data transmission that detect to temperature controller 12, through the display screen display temperature data after receiving on temperature controller 12. In addition, the casing 13 is also provided with a control switch electrically connected with the temperature controller 12, so that the controller of the whole equipment is closed through the control switch in a non-use state, and is opened through the control switch in a use state.

The utility model discloses a complete work flow can be: the temperature controller 12 stores preset temperature, the electric measuring instrument 5 is placed in the thermostatic chamber 4, the temperature sensor monitors the temperature in the thermostatic chamber 4 in real time, temperature data are sent to the temperature controller 12, the temperature controller 12 compares the monitored temperature with the preset temperature, if the monitored temperature is lower than the preset temperature, the temperature controller 12 controls the heater and the radiator to work together, the heater heats and the radiator refrigerates, at the moment, the working power of the heater is far higher than that of the radiator, and therefore the internal temperature of the thermostatic chamber 4 is kept constant; if the monitored temperature is higher than the preset temperature, the temperature controller 12 controls the radiator and the heater to work together, at the moment, the working power of the radiator is far higher than that of the heater 3, so that the internal temperature of the thermostatic chamber 4 is kept constant, the electric measuring instrument 5 is in a constant temperature environment, the standard couple and the detected couple are placed in a constant temperature field, the scanner terminal is connected with the standard couple and the detected couple, the common end of the scanner is connected with the electric measuring instrument, the electric measuring instrument measures the potential value of each channel and converts the potential value into a temperature value, and the temperature difference value between the standard couple and the detected couple is compared to determine whether the temperature difference value meets the specification, so that the determination work is completed. The electrical measuring instrument 5 may be a PR293 electrical measuring instrument.

It is worth explaining, the utility model discloses in connect terminal table and scanner and thermostatic chamber on the mount of base, form the structure of an integrated form, place the electricity through miniature thermostatic chamber and survey the instrument, create the constant temperature environment for the electricity measures the instrument for this verification system uses more portable convenience. In addition, scanner and terminal are two solitary products among the former verification system, and the wiring process is more loaded down with trivial details, has increaseed the task volume of examination work to because of the discrepancy of itself between the wire rod, can reduce the reliability of equipment to a certain extent, the utility model provides a terminal and the model of scanner can be PR160 or PR150, and terminal and scanner two unifications need not connect very much long and complicated wiring again, have avoided leading to measuring result's inaccuracy because of the discrepancy between the wire rod.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A thermal instrument verification system is characterized by comprising: a base (1);

the top of the base (1) is fixedly connected with a fixed frame (2), and the top of the fixed frame (2) is fixedly connected with a wiring platform and a scanner (3);

fixedly connected with thermostatic chamber (4) on mount (2), thermostatic chamber (4) are used for placing electric measuring instrument (5), do electric measuring instrument (5) provide the constant temperature environment.

2. A thermal instrumentation verification system according to claim 1, wherein said thermostatic chamber (4) comprises: a housing (13);

the shell (13) is fixedly connected with the fixed frame (2), the side wall of the shell (13) is hinged with an opening and closing door (11), the outer wall of the shell (13) is provided with a temperature controller (12),

and a temperature sensor and a temperature control device are arranged in the shell (13), and the temperature sensor and the temperature control device are electrically connected with the temperature controller (12).

3. A thermal engineering instrument verification system according to claim 2, wherein a groove (6) is provided on a side wall of the housing (13), and the fixing frame (2) is fixedly connected to the groove (6).

4. A thermal instrument verification system according to claim 1, characterized in that the bottom of the base (1) is fixedly connected with a plurality of support legs (7), and the bottom of the support legs (7) is connected with universal wheels (8).

5. A thermal instrumentation verification system according to claim 1, wherein said fixture (2) comprises: an outer cylinder (9) and an inner top (10);

the inner top (10) and the outer barrel (9) are both hollow, the bottom of the inner top (10) is fixedly connected with the top of the base (1), the outer barrel (9) is sleeved on the outer wall of the inner top (10), the wiring table and the scanner (3) are fixed on the top of the outer barrel (9), and the thermostatic chamber (4) is fixed on the outer barrel (9);

an electric push rod is arranged in the inner top (10), and the telescopic end of the electric push rod is connected with the top of the inner side of the outer barrel (9).