Dimension, meter, temperature, resistance and voltage resistance integrated tester
By integrating a height gauge, resistance meter, miniature withstand voltage tester, and digital thermometer into a single integrated tester for dimensions, temperature, resistance, and withstand voltage, the problem of step-by-step verification of various performance parameters after PTC wafer production has been solved, achieving efficient and low-cost testing.
Patent Information
- Application Number
- CN202520692731.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
In existing technologies, the verification of various performance parameters of PTC wafers after production needs to be carried out in stages, resulting in large space requirements for personnel, materials, and testing equipment, low efficiency, and high cost.
Design an integrated size, surface temperature, resistance, and withstand voltage tester that combines a height gauge, a resistance meter, a miniature withstand voltage tester, and a digital thermometer. Connected by wires, it enables simultaneous measurement of the size, resistance, ultimate withstand voltage, and surface temperature of a PTC chip.
It improves the testing efficiency of PTC wafers, simplifies the operation process, reduces testing costs, and increases testing efficiency.
Smart Images
Figure CN223954897U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of PTC piece tester, especially relates to a size surface temperature resistance value withstand voltage integrated tester. BACKGROUND
[0002] After the production of PTC piece, it needs to check its various performances and parameters to meet the factory requirements, and when testing, corresponding various checking equipment, checking needs to be carried out step by step, when various test items are tested respectively, there are problems of large space occupied by personnel, materials and detection equipment, low efficiency and high detection cost. UTILITY MODEL CONTENTS
[0003] The utility model discloses a size surface temperature resistance value withstand voltage integrated tester, and the resistance value, limit withstand voltage value and surface temperature of PTC piece are measured while measuring the size of PTC piece, and the test efficiency is improved.
[0004] To solve the above technical problems, the following technical scheme is adopted:
[0005] The utility model provides a size surface temperature resistance value withstand voltage integrated tester, including height appearance, resistance measuring appearance, micro -voltage tester and digital temperature appearance, resistance measuring appearance is connected with height appearance, micro -voltage tester and digital temperature appearance through wire respectively,
[0006] When the height appearance measures the size of PTC piece, PTC piece is communicated with resistance measuring appearance through wire, the resistance value of PTC piece is measured, micro -voltage tester measures the limit withstand voltage value of PTC piece, and digital temperature appearance measures the surface temperature of PTC piece.
[0007] Optionally, it also includes a shell, the height appearance, resistance measuring appearance and digital temperature appearance are arranged on the surface of the shell, and the micro -voltage tester is arranged in the shell.
[0008] Optionally, the shell is three prism structures, and one side is provided with a rear cover.
[0009] Optionally, the resistance measuring appearance is connected with micro -voltage tester through two wires and is connected with digital temperature appearance through two wires.
[0010] Optionally, the height appearance includes a main body and a handle, the main body is provided with an isolation column, the isolation column is used to divide the main body into two parts and does not conduct electricity between the two parts, one part of the main body is provided with a measuring table, one end of the handle penetrates the other part of the main body and is located above the measuring table, and the handle and the measuring table cooperate to measure the size of PTC.
[0011] Optionally, the resistance measuring instrument is connected with the height gauge through two wires, one wire is connected with the end of the handle above the measuring table, and the other wire is connected with the measuring table.
[0012] Optionally, the end of the handle above the measuring table is further provided with a first isolation plate, the first isolation plate is used for isolating the wire from conducting electricity to the handle, and the measuring table is provided with a second isolation plate, and the second isolation plate is used for isolating the wire from conducting electricity to the main body.
[0013] Optionally, the end of the handle above the measuring table is further provided with a first isolation plate, the first isolation plate is used for isolating the wire from conducting electricity to the handle, and the measuring table is provided with a second isolation plate, and the second isolation plate is used for isolating the wire from conducting electricity to the main body.
[0014] Compared with the prior art, the utility model has reached the beneficial effects:
[0015] 1、 the utility model discloses a height gauge, resistance measuring instrument, miniature voltage withstand tester and digital temperature instrument are connected through the wire, when measuring PTC piece size, the resistance measuring instrument is connected, and the resistance of PTC piece is measured, and simultaneously, the surface temperature of PTC piece when being electrified is obtained through the electrification of resistance measuring instrument, and the limit voltage withstand value of PTC piece when being electrified is obtained through miniature voltage withstand tester, and the test efficiency of PTC piece is improved.
[0016] 2、 the utility model discloses the first isolation plate and second isolation plate, and the electrode piece on two wires is arranged on the first isolation plate and second isolation plate respectively, avoids the wire from conducting electricity to the height gauge, influences the use of height gauge, when the handle end portion contacts PTC piece, two wires are connected with the upper and lower surfaces of PTC piece respectively, and the parameters of PTC are tested. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic view of the integrated tester provided by the utility model,
[0018] Figure 2 It is the whole structure schematic view of the integrated tester provided by the utility model,
[0019] Figure 3 It is the device connection structure schematic view of the integrated tester provided by the utility model,
[0020] Figure 4 It is the height gauge structure schematic view in the integrated tester provided by the utility model.
[0021] MARKING OF DRAWINGS:
[0022] 1. Height gauge; 11, main body; 12, handle; 13, first disc; 14, second disc; 15, first isolation plate; 16, second isolation plate; 17, isolation column; 18, electrode disc; 19, measuring table; 2, resistance measuring instrument; 21, resistance measuring wire; 3, micro voltage withstand tester; 31, voltage withstand test wire; 4, digital temperature instrument; 41, temperature instrument wire; 5, shell; 51, rear cover; 52, wire hole; 6, PTC disc. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use.
[0024] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT
[0025] As Figure 1 , Figure 3As shown, this embodiment provides an integrated size, temperature, resistance, and withstand voltage tester, including a height gauge 1, a resistance measuring instrument 2, a miniature withstand voltage tester 3, and a digital temperature instrument 4. The resistance measuring instrument is connected to the height gauge 1, the miniature withstand voltage tester 3, and the digital temperature instrument 4 via wires.
[0026] When the height gauge 1 measures the size of the PTC sheet 6, the measuring contacts on the height gauge 1 contact the upper and lower surfaces of the PTC sheet 6 respectively. The PTC sheet 6 is connected to the resistance measuring instrument 2 through the wire. The resistance measuring instrument 2 measures the resistance value of the PTC sheet 6. After the PTC sheet 6 is connected to the resistance measuring instrument 2, the miniature withstand voltage tester 3 is then activated to measure the ultimate withstand voltage value, withstand voltage strength and insulation resistance of the PTC sheet 6, thereby evaluating the insulation performance and withstand voltage reliability of the PTC sheet 6. After connecting a 220V voltage across the two ends of the PTC, the temperature of the surface of the PTC sheet 6 is measured by the digital temperature instrument 4.
[0027] Altitude meter 1 is a digital display altitude meter 1, and the measured size of PTC chip 6 is directly displayed on its screen. Resistance meter 2 is a digital display resistance meter 2, and the measured resistance value is directly displayed on its screen for easy recording.
[0028] This invention connects a resistance measuring instrument 2, a height gauge 1, a miniature withstand voltage tester 3, and a digital thermometer 4 via wires. After the measuring contacts on the height gauge 1 contact the upper and lower surfaces of the PTC chip 6, the PTC chip 6 is connected to the resistance measuring instrument 2, thereby obtaining the various parameters of the PTC chip 6. The structure is simple, the operation is convenient, and it can improve work efficiency. Example
[0029] like Figure 1 , Figure 3 As shown, this embodiment differs from Embodiment 1 in that it also includes a housing 5, which is a triangular prism structure made of acrylic sheet, with the acrylic sheets bonded together with adhesive. A height gauge 1, a resistance meter 2, and a digital thermometer 4 are mounted on one side of the housing 5. A rear cover 51 is provided on one side, and a support leg is provided on the other side. The height gauge 1, resistance meter 2, and digital thermometer 4 are all embedded in the side surface of the housing 5. A miniature withstand voltage tester 3 is located inside the housing 5.
[0030] The resistance measuring instrument 2 is connected to the miniature withstand voltage tester 3 via two withstand voltage test leads 31, and to the digital thermometer 4 via two thermometer leads 41. The resistance measuring instrument 2 is connected to the miniature withstand voltage tester 3 and the digital thermometer 4 via leads. After the PTC chip 6 is connected to the resistance measuring instrument 2, both the miniature withstand voltage tester 3 and the digital thermometer 4 are connected to the PTC chip 6, thereby measuring the parameters of the PTC chip 6.
[0031] like Figure 1 ,Figure 4 As shown, the height gauge 1 comprises a main body 11 and a handle 12, the main body 11 is in C-shaped structure, an isolation column 17 is arranged in the middle of the main body 11, the isolation column 17 is made of insulating material, and the main body 11 is divided into upper and lower two parts, a display is arranged on the upper part, and one end of the handle 12 penetrates through the upper part of the main body 11, a measuring table 19 is arranged on the lower part of the main body 11, the end of the handle 12 penetrating through the main body 11 is located directly above the measuring table 19, and a PTC sheet 6 is arranged between the measuring table 19 and the end of the handle 12. The PTC sheet 6 is placed on the measuring table 19, the handle 12 is pressed downward, the end of the handle 12 is in contact with the upper surface of the PTC sheet 6, and the size of the PTC sheet 6 is measured.
[0032] A second isolation plate 16 is arranged on the measuring table 19, an electrode sheet 18 is arranged on the second isolation plate 16, the electrode sheet 18 is connected with a resistance measuring wire 21, and a second circular sheet 14 is arranged on the electrode sheet 18. A first isolation plate 15 is arranged on the end of the handle 12 located above the measuring table 19, an electrode sheet 18 is arranged below the first isolation plate 15, the electrode sheet 18 is connected with another resistance measuring wire 21, and a first circular sheet 13 is arranged below the electrode sheet 18. The PTC sheet 6 is placed on the second circular sheet 14 on the measuring table 19, the handle 12 is pressed downward, the first circular sheet 13 at the end of the handle 12 is in contact with the upper surface of the PTC sheet 6, thereby the size of the PTC sheet 6 is measured, the circular sheet can be in flat contact with the PTC surface, both the circular sheets are conductors, when the PTC sheet 6 is in contact with the surface, the resistance measuring instrument 2 is connected with the PTC sheet 6 through the resistance measuring wire 21 and the electrode sheet 18 thereon. The wires are isolated from the handle 12 and the main body 11 through the first isolation plate 15 and the second isolation plate 16, so that the current of the wires is prevented from being transmitted to the handle 12 and the main body 11, the use of the height gauge 1 is affected, and the current signal acting on the PTC sheet 6 is prevented from being dispersed, and the measurement result is affected.
[0033] The shell 5 is further provided with a wire passing hole 52, the wire passing hole 52 is located at the side of the handle 12, and is used for passing the resistance measuring wire 21 located on the handle 12, the resistance measuring wire 21 located on the handle 12 follows the movement of the handle 12, the wire passing hole 52 is arranged on the shell 5, and the resistance measuring wire 21 is not pulled when the handle 12 moves up and down, so that the stability of the connection is ensured.
[0034] The tester provided in the embodiment can test the parameters of the PTC sheet 6 used in air heating, water heating and heating plate, and the like. The structure is simple, the operation is convenient, and the size, resistance value, limit voltage value and surface temperature of the PTC can be quickly measured.
[0035] The height gauge 1 used in the tester provided by the embodiment can be a thickness gauge (flat head 0-10mm) produced by Cassilo, can be a resistance measuring instrument 2 with a model number of DS3A-RB, and can be a micro voltage resistance tester 3 of Megger MIT-400 series, which can be connected with a computer through Bluetooth and transmit the measured data to the computer in real time. A digital temperature gauge with a model number of Omega HH309 can be used to collect the surface temperature of the PTC sheet 6.
[0036] In use, the PTC sheet 6 is placed on the second disc 14 on the measuring table 19, and then the handle 12 is pressed down so that the first disc 13 contacts the upper surface of the PTC sheet 6 to measure the thickness of the PTC sheet 6. Meanwhile, the upper and lower surfaces of the PTC sheet 6 are connected with the resistance measuring instrument 2 through the resistance measuring wire 21 to measure the resistance value of the PTC sheet 6, which is displayed on the display of the resistance measuring instrument 2. Then, the micro voltage resistance tester 3 is started to apply voltage to the PTC to measure the limit voltage value, voltage strength and insulation resistance of the PTC sheet 6 under the voltage, so as to evaluate the insulation performance and voltage resistance reliability of the PTC sheet 6, and transmit the measured data and evaluation results to the computer. Finally, the surface temperature of the PTC sheet 6 is measured through the digital temperature gauge after the PTC sheet 6 is connected with 220V voltage, and the surface temperature is displayed on the display of the digital temperature gauge. The measured results and parameters are displayed on the corresponding displays, which is convenient for recording.
[0037] The above is only the preferred embodiment of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, some improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims
1. A size table temperature resistance value voltage resistance integrated tester, characterized in that, The height gauge, the resistance measuring instrument, the micro voltage resistance tester and the digital temperature instrument are connected by wires. The height gauge is used to measure the size of the PTC sheet, and the PTC sheet is connected with the resistance measuring instrument by wires.
2. The size table temperature resistance value voltage resistance integrated tester according to claim 1, characterized in that, The height gauge, the resistance measuring instrument and the digital temperature instrument are arranged on one surface of the shell, and the micro voltage resistance tester is arranged in the shell.
3. The size table temperature resistance value voltage resistance integrated tester according to claim 2, characterized in that, The shell is a triangular prism structure, and one side is provided with a rear cover.
4. The size table temperature resistance value voltage resistance integrated tester according to claim 1, characterized in that, The resistance measuring instrument is connected with the micro voltage resistance tester by two wires and connected with the digital temperature instrument by two wires.
5. The size table temperature resistance value voltage resistance integrated tester according to claim 1, characterized in that, The height gauge comprises a main body and a handle, and the main body is provided with an isolation column.
6. The size table temperature resistance value voltage resistance integrated tester according to claim 5, characterized in that, The resistance measuring instrument is connected with the height gauge by two wires, one end of the handle above the measuring table is connected by one wire, and the other end of the measuring table is connected by the other wire.
7. The size table temperature resistance value voltage resistance integrated tester according to claim 6, characterized in that, The handle is provided with a first isolation plate at one end above the measuring table.
8. The size table temperature resistance value voltage resistance integrated tester according to claim 7, characterized in that, The handle is provided with a first circular plate at one end above the measuring table. The second circular plate is arranged on the measuring table. The electrode piece on one wire is located between the first circular plate and the first isolation plate. The electrode piece on the other wire is located between the second circular plate and the second isolation plate. The first circular plate and the second circular plate are used to flatly contact the surface of the PTC sheet.