CN220064131U - Universal meter test wire for measuring resistance of three-wire platinum temperature measuring resistor - Google Patents
Universal meter test wire for measuring resistance of three-wire platinum temperature measuring resistor Download PDFInfo
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- CN220064131U CN220064131U CN202320962567.1U CN202320962567U CN220064131U CN 220064131 U CN220064131 U CN 220064131U CN 202320962567 U CN202320962567 U CN 202320962567U CN 220064131 U CN220064131 U CN 220064131U
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- wire
- crocodile
- switch
- ship
- contact
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 241000270722 Crocodylidae Species 0.000 claims abstract description 50
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses a universal meter test wire for measuring resistance values of a three-wire platinum temperature measuring resistor, which adopts a crocodile clamp and a universal meter test wire of a ship-shaped switch, three resistance values of the three-wire platinum temperature measuring resistor can be rapidly and accurately measured by switching the ship-shaped switch in the process of checking the three-wire platinum temperature measuring resistor, the problems of jump of the measured value, inaccurate measured value and the like are effectively solved, the labor intensity of testers is reduced, and the field work efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of testing, in particular to a universal meter test wire for measuring the resistance of a three-wire platinum temperature measuring resistor.
Background
Three-wire platinum temperature measuring resistors are often used for monitoring the running temperature of equipment in a large hydropower station, when a temperature measuring loop fails, the resistance of the three-wire platinum temperature measuring resistors needs to be checked, the resistance between every two wire connectors of the three-wire platinum temperature measuring resistors needs to be measured by using a universal meter ohm in the checking process, and the quality of the temperature measuring resistors needs to be judged by measuring three resistance. At present, a common multimeter pen is used for measuring the resistance value of a three-wire platinum temperature measuring resistor, and the jump of the measured value is often caused by poor contact between a lead joint of the temperature measuring resistor and the multimeter pen; the tester needs to press the temperature measuring resistor lead joint and the pen point of the multimeter pen together by hand, the measuring speed is low, and the labor intensity is high; the body resistance is incorporated into a measuring loop by a tester, so that inaccurate resistance measurement is caused; when the number of the temperature measuring resistors is large, repeated work is easy to cause fatigue of testers, and the working efficiency is low.
Disclosure of Invention
The utility model aims to solve the problems and provide a multimeter test wire for measuring the resistance of a three-wire platinum temperature measuring resistor.
The utility model realizes the above purpose through the following technical scheme:
a universal meter test wire for measuring resistance of a three-wire platinum temperature measuring resistor comprises a first universal meter plug, a second universal meter plug, a switch body, a first boat-shaped switch, a second boat-shaped switch, a first crocodile clamp, a second crocodile clamp, a third crocodile clamp and a silica gel lead;
the switch body is of a cuboid structure, one end of the switch body is connected with a first universal meter plug and a second universal meter plug through wires, and the other end of the switch body is connected with a first crocodile clamp, a second crocodile clamp and a third crocodile clamp through silica gel wires;
the first crocodile clamp, the second crocodile clamp and the third crocodile clamp are provided with serial numbers a, b and c and are used for being connected to the wire joints a, b and c of the three-wire platinum temperature measuring resistor during testing, so that wiring errors during testing are prevented;
the switch body is provided with a first ship-shaped switch and a second ship-shaped switch; the two sides of the first ship-shaped switch and the second ship-shaped switch are respectively provided with a first contact, a second contact and a third contact, when the first ship-shaped switch is switched on to the first contact or the second contact is closed, and when the second ship-shaped switch is switched on to the second contact or the third contact is closed.
The further scheme is that the first universal meter plug and the second universal meter plug are connected into a universal meter pen plug.
The first crocodile clip, the second crocodile clip and the third crocodile clip are fully-closed crocodile clips, and the three crocodile clips are respectively connected to the switch body through silica gel wires.
The first contact, the second contact and the third contact are used for distinguishing the closing states of the first ship-shaped switch and the second ship-shaped switch.
The utility model has the beneficial effects that:
1. the crocodile clamp is used for effectively solving the problem of jump and inaccuracy of measured values in the test process.
2. According to the utility model, the ship-shaped switch switching loop is arranged in the test line, so that three resistance values of the three-wire platinum temperature measuring resistor can be rapidly and accurately measured, the labor intensity of a tester is reduced, and the field working efficiency is improved.
3. The utility model has simple structure, simple and convenient operation and convenient carrying, and can be suitable for common universal meters.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the practical drawings required in the embodiments or the prior art description, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural diagram of the present utility model.
The universal meter comprises a first universal meter plug 1, a second universal meter plug 2, a switch body 3, a first boat-shaped switch 4, a second boat-shaped switch 5, a first crocodile clamp 6, a second crocodile clamp 7, a third crocodile clamp 8, a silica gel lead 9, a first contact 11, a second contact 22 and a third contact 33.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In any embodiment, as shown in fig. 1, a test wire of a multimeter for measuring resistance of a three-wire platinum temperature measuring resistor of the present utility model comprises a first multimeter plug 1, a second multimeter plug 2, a switch body 3, a first boat-shaped switch 4, a second boat-shaped switch 5, a first crocodile clip 6, a second crocodile clip 7, a third crocodile clip 8, and a silicone wire 9;
the switch body 3 is of a cuboid structure, one end of the switch body is connected with the first universal meter plug 1 and the second universal meter plug 2 through wires, and the other end of the switch body is connected with the first crocodile clamp 6, the second crocodile clamp 7 and the third crocodile clamp 8 through silica gel wires; the first universal meter plug 1 and the second universal meter plug 2 are connected into universal meter pen plugs;
the first crocodile clamp 6, the second crocodile clamp 7 and the third crocodile clamp 8 are provided with numbers a, b and c, and are used for being connected to wire joints a, b and c of a three-wire platinum temperature measuring resistor during testing, so that wiring errors during testing are prevented; the first crocodile clip 6, the second crocodile clip 7 and the third crocodile clip 8 are totally-enclosed crocodile clips, and the three crocodile clips are respectively connected to the switch body 3 through silica gel wires.
The switch body 3 is provided with a first ship-shaped switch 4 and a second ship-shaped switch 5; the two sides of the first boat-shaped switch 4 and the second boat-shaped switch 5 are respectively provided with a first contact 11, a second contact 22 and a third contact 33, which are used for distinguishing the closing state of the first boat-shaped switch 4 and the second boat-shaped switch 5, when the first boat-shaped switch 4 is cut to the first contact 11 or the second contact 22 to be closed, and when the second boat-shaped switch 5 is cut to the second contact 22 or the third contact 33 to be closed.
The specific application method of the utility model is as follows:
inserting a first universal meter plug 1 into a red V omega jack of a universal meter, inserting a second universal meter plug 2 into a black COM jack of the universal meter, clamping a first crocodile clip 6 to a three-wire platinum temperature measuring resistor wire connector a, clamping a second crocodile clip 7 to a three-wire platinum temperature measuring resistor wire connector b, and clamping a third crocodile clip 8 to a three-wire platinum temperature measuring resistor wire connector c; the resistance between the wire joints a and b of the three-wire platinum temperature measuring resistor is measured by pressing the first ship-shaped switch 4 to the first contact 11 to be closed and pressing the second ship-shaped switch 5 to the second contact 22 to be closed during the test; measuring the resistance between the three-wire platinum temperature measuring resistor lead joints a and c by pressing the first boat switch 4 to the first contact 11 to be closed and pressing the second boat switch 5 to the third contact 33 to be closed; the resistance between the three-wire platinum temperature measuring resistor wire connectors b and c is measured by pressing the first boat switch 4 to close the second contact 22 and the second boat switch 5 to close the third contact 33. Therefore, three groups of resistance data of the three-wire platinum temperature measuring resistor are tested by switching the ship-shaped switch, namely the resistance between the wire connectors a and b, the resistance between a and c and the resistance between b and c of the three-wire platinum temperature measuring resistor.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (4)
1. The universal meter test wire for measuring the resistance of the three-wire platinum temperature measuring resistor is characterized by comprising a first universal meter plug, a second universal meter plug, a switch body, a first ship-shaped switch, a second ship-shaped switch, a first crocodile clamp, a second crocodile clamp, a third crocodile clamp and a silica gel wire;
the switch body is of a cuboid structure, one end of the switch body is connected with a first universal meter plug and a second universal meter plug through wires, and the other end of the switch body is connected with a first crocodile clamp, a second crocodile clamp and a third crocodile clamp through silica gel wires;
the first crocodile clamp, the second crocodile clamp and the third crocodile clamp are provided with serial numbers a, b and c and are used for being connected to the wire joints a, b and c of the three-wire platinum temperature measuring resistor during testing, so that wiring errors during testing are prevented;
the switch body is provided with a first ship-shaped switch and a second ship-shaped switch; the two sides of the first ship-shaped switch and the second ship-shaped switch are respectively provided with a first contact, a second contact and a third contact, when the first ship-shaped switch is switched on to the first contact or the second contact is closed, and when the second ship-shaped switch is switched on to the second contact or the third contact is closed.
2. A multimeter test line for measuring resistance of a three wire platinum temperature resistor as recited in claim 1, wherein said first multimeter plug and said second multimeter plug are connected as multimeter universal stylus plugs.
3. The multimeter test wire for measuring resistance of a three wire platinum temperature resistor of claim 1, wherein the first crocodile clip, the second crocodile clip, and the third crocodile clip are fully enclosed crocodile clips, each of the three crocodile clips being connected to the switch body by a silicone wire.
4. The multimeter test line for measuring resistance of a three wire platinum temperature sensing resistor of claim 1, wherein the first, second and third contacts are configured to distinguish between a first boat switch and a second boat switch closed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320962567.1U CN220064131U (en) | 2023-04-25 | 2023-04-25 | Universal meter test wire for measuring resistance of three-wire platinum temperature measuring resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320962567.1U CN220064131U (en) | 2023-04-25 | 2023-04-25 | Universal meter test wire for measuring resistance of three-wire platinum temperature measuring resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220064131U true CN220064131U (en) | 2023-11-21 |
Family
ID=88789326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320962567.1U Active CN220064131U (en) | 2023-04-25 | 2023-04-25 | Universal meter test wire for measuring resistance of three-wire platinum temperature measuring resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220064131U (en) |
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2023
- 2023-04-25 CN CN202320962567.1U patent/CN220064131U/en active Active
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