Novel resistance detection device
By designing a new resistance detection device and using multiple resistance detection modules and indicator light systems, the existing resistance detection methods are solved, and efficient and accurate resistance detection is achieved.
Patent Information
- Application Number
- CN202421017128.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing resistance detection methods are inefficient, cannot detect multiple resistors at once, and are prone to errors.
A new type of resistance detection device is designed. By setting up several resistance detection modules, the test resistance is set inside the second groove, the first and second indicator lights are used to determine whether the resistance value is within the nominal range, and the resistance value is adjusted through the adjustment knob.
It realizes measuring multiple resistors at once, improves detection efficiency, and reduces human judgment errors through intuitive indication of indicator lights.
Smart Images
Figure CN222599749U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of resistance detection, in particular to a novel resistance detection device. Background Art
[0002] With the development of society, there are more and more electronic products, from mobile phones and computers to cars, more and more daily products are electronic; more and more electronic components are used, and the quality requirements for electronic components are getting higher and higher; in order to detect resistors more efficiently, a method and device for detecting the nominal range of resistor values is needed. The existing methods for detecting the nominal range of resistor values mostly use a handheld multimeter to test the resistance of resistors one by one to determine whether the resistance of the tested resistor is within the nominal range of resistance. Only one resistor can be detected at a time, and the position of the resistor cannot be fixed, resulting in low detection efficiency; each test is manually judged by the user whether the resistance value is within the nominal range, which is prone to errors. Summary of the invention
[0003] The embodiment of the present application provides a new type of resistance detection device, by setting up a plurality of resistance detection modules, and the test resistor is set inside the second groove. When the first indicator light or the second indicator light is on, it indicates whether the current test resistance value is within the nominal range. The device can measure multiple resistors at one time while limiting the test resistance, and can more intuitively determine whether the current test resistance value is within the nominal range of the resistance value.
[0004] To achieve the above object, the utility model provides the following technical solutions: a novel resistance detection device, the detection device includes a plurality of resistance test modules, the resistance test module includes a second mounting seat, a circuit board, the second mounting seat is provided with a cavity, the circuit board is arranged inside the cavity, and a first resistor R is provided on the circuit board p1 , the second resistor R p2 , a first indicator light, a second indicator light, a first contact point, a second contact point, a second groove is provided at the upper end of the second mounting seat, the first contact point and the second contact point are protruding at both ends of the bottom surface of the second groove, and the test resistance R x The lower end of the first resistor R is embedded in the second groove and connected to the first contact point and the second contact point. p1 , the second resistor R p2 Set the test resistor R x The first indicator light and the second indicator light are connected to the first resistor R p1 , the second resistor R p2 The first indicator light and the second indicator light are protrudingly arranged on one side of the upper end of the second mounting seat.
[0005] Compared with the prior art, the advantages of the utility model are:
[0006] By setting the first resistor Rp1 , the second resistor R p2 , to achieve the setting of the nominal upper limit resistance value and the nominal lower limit resistance value of the detection resistor, and test the resistor R x The lower end of is embedded in the second groove and connected to the first contact point and the second contact point. When the first indicator light goes out and the second indicator light comes on, it indicates the current test resistance R x The resistance is greater than the first resistor R p1 Resistance or test resistor R x The resistance is smaller than the second resistor R p2 Resistance value, then the test resistance R x The resistance value is not within the nominal range. If the first indicator light is on and the second indicator light is off, it indicates that the current test resistance R x The resistance is smaller than the first resistor R p1 Resistance value and test resistor R x The resistance is greater than the second resistor R p2 Resistance value, then the test resistance R x The resistance value is within the nominal range. The first indicator light indicates that the resistance value of the current test resistor is within the nominal range, and the second indicator light indicates that the resistance value of the current test resistor is not within the nominal range, which is more intuitive.
[0007] Since there are several resistance testing modules, it can be ensured that multiple resistors can be tested at one time, which greatly improves the resistance testing efficiency.
[0008] As an improvement, a third groove is provided at the upper end of the second mounting seat, and the third groove is provided at both ends of the second groove. The resistance testing module also includes an adjusting knob, and the adjusting knob is provided inside the third groove. There are two adjusting knobs, and the lower end of the adjusting knob passes through the bottom surface of the third groove and the first resistor R p1 , the second resistor R p2 The first resistor R p1 , the second resistor R p2 Connection, according to the test resistance R x The nominal resistance range of the first resistor R p1 , the second resistor R p2 The resistance value can be adjusted.
[0009] As an improvement, the resistance testing module also includes a protective cover, which is embedded in the third groove. The protective cover is provided with a first through hole, and the first through hole is arranged corresponding to the adjustment knob. The protective cover is embedded in the third groove to prevent dust from entering the third groove. The through hole makes it easy to adjust the adjustment knob while preventing dust, thereby preventing the adjustment knob from rotating abnormally.
[0010] As an improvement, the protective cover is further provided with a second through hole, the first resistor Rp1 The two ends of the first test position are provided, and the second resistor R p2 The second test positions are provided at both ends of the first resistor R, and the second through holes are respectively provided corresponding to the first test position and the second test position. The second through holes are provided to facilitate contacting the first resistor R with a multimeter probe. p1 The first test position and the second resistor R on both sides p2 The second test position on both sides is to confirm the first resistor R p1 , the second resistor R p2 Resistance value.
[0011] As an improvement, the detection device also includes a first mounting seat, a power supply GND conductive contact, and a power supply VCC conductive contact. The first mounting seat is provided with a plurality of first grooves. The power supply GND conductive contact and the power supply VCC conductive contact are arranged on the side walls of the first grooves. The resistance testing module includes a power supply GND conductive spring arranged corresponding to the power supply GND conductive contact and a power supply VCC conductive spring arranged corresponding to the power supply VCC conductive contact. The circuit board also includes a circuit board power supply GND and a circuit board power supply VCC. The lower end of the resistance testing module is embedded in the first groove. The power supply GND conductive contact is arranged in the side walls of the first grooves. The electric spring electrically connects the power supply GND conductive contact and the circuit board power supply GND, the power supply VCC conductive spring electrically connects the power supply VCC conductive contact and the circuit board power supply VCC, the resistance testing module is an integral whole, and the lower end of the resistance testing module is embedded in the first groove. When different types of resistors need to be tested, only the resistance testing module needs to be replaced; the power supply GND conductive contact and the detection circuit power supply GND are electrically connected through the power supply GND conductive spring, and the power supply VCC conductive spring electrically connects the power supply VCC conductive contact and the detection circuit power supply VCC to power the resistance testing module.
[0012] As an improvement, the detection device also includes a third indicator light, a control switch, and a DC power supply. One end of the control switch is connected to the DC power supply, and the other end of the control switch is connected to the third indicator light. The third indicator light is lit when the control switch is closed, and the third indicator light is off when the control switch is opened. It can be more intuitively observed that the detection device is in a power-off state when loading and unloading the resistance test module and testing the resistance, thereby avoiding the occurrence of short circuit and burning of electronic components.
[0013] As an improvement, the detection circuit also includes Q1, Q2, voltage comparator V1, voltage comparator V2, gate circuit U1, NOT gate circuit U2, test resistor R x One end of the voltage comparator V1 is connected to one end of the voltage comparator V2, and one end of the voltage comparator V1 is also connected to the first resistor R p1 One end of the voltage comparator V2 is also connected to the second resistor R p2The gate circuit U1 and the NOT gate circuit U2 are connected to the voltage comparator V1 and the other end of the voltage comparator V2. The other end of the gate circuit U1 is connected to the base of Q1, and the other end of the NOT gate circuit U2 is connected to the base of Q2. The emitter of Q1 is connected to the first indicator light, and the emitter of Q2 is connected to the second indicator light. When the output V of the voltage comparator V1 is out1 and the output V of the voltage comparator V2 out2 When both output power VCC, the AND gate circuit U1V out3 Output power supply VCC, transistor Q1 is turned on, the first indicator light is on, when the output V of voltage comparator V1 out1 and the output V of the voltage comparator V2 out2 When the power supply VCC is not the same as the gate circuit U1V out3 Output power supply GND, transistor Q1 is not conducting, the first indicator light is off, when the output V of voltage comparator V1 out1 and the output V of the voltage comparator V2 out2 When both output power VCC, the NAND gate circuit U2 V out4 Output power supply GND, transistor Q2 is not conducting, the second indicator light is off, when the output V of voltage comparator V1 is out1 and the output V of the voltage comparator V2 out2 When the power supply VCC is not used, the NAND gate circuit U2V out4 The output is high level, transistor Q2 is turned on, and the second indicator light is on. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0015] Figure 1 This is a schematic diagram of the structure of a new type of resistance detection device;
[0016] Figure 2 is a schematic diagram of the power supply circuit;
[0017] Figure 3 This is a schematic diagram of the connection of components on the circuit board;
[0018] Figure 4 It is a schematic diagram of the resistance test module structure;
[0019] Figure 5 This is a schematic diagram of the resistance test module structure.
[0020] The marks in the above figure are: 1. detection device; 1.1. first mounting seat; 1.1.1. first groove; 1.2. resistance test module; 1.2.1. second mounting seat; 1.2.1.1. second groove; 1.2.1.2. cavity; 1.2.1.3. third groove; 1.2.2. circuit board; 1.2.2.1. first resistor R p1 ; 1.2.2.1.1, first test position; 1.2.2.2, second resistor R p2 ; 1.2.2.2.1, second test position; 1.2.2.3, first indicator light; 1.2.2.4, second indicator light; 1.2.2.5, first contact point; 1.2.2.6, second contact point; 1.2.2.7, Q1; 1.2.2.8, Q2; 1.2.2.9, voltage comparator V1; 1.2.2.10, voltage comparator V2; 1.2.2.11, gate circuit U1; 1.2.2.12, NOT gate circuit U2; 1.2.2.13, circuit board power supply GN D; 1.2.2.14, circuit board power supply VCC; 1.2.3, adjustment knob; 1.2.4, protective cover; 1.2.4.1, first through hole; 1.2.4.2, second through hole; 1.2.5, power supply GND conductive spring; 1.2.6, power supply VCC conductive spring; 1.3, power supply GND conductive contact; 1.4, power supply VCC conductive contact; 1.5, third indicator light; 1.6, control switch; 1.7, DC power supply; 1.8, power supply socket; 2, test resistor R x . DETAILED DESCRIPTION
[0021] In the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0022] like Figure 1 as well as Figure 2As shown, the detection device 1 includes a first mounting seat 1.1, a plurality of resistance testing modules 1.2, a power supply GND conductive contact 1.3, a power supply VCC conductive contact 1.4, a third indicator light 1.5, a control switch 1.6, a DC power supply 1.7, and a power supply socket 1.8, one end of the control switch 1.6 is connected to the DC power supply 1.7, and the other end of the control switch 1.6 is connected to the third indicator light 1.5, the first mounting seat 1.1 is provided with a plurality of first grooves 1.1.1, the resistance testing module 1.2 is arranged inside the first groove 1.1.1, the power supply GND conductive contact 1.3 and the power supply VCC conductive contact 1.4 are arranged on the side wall of the first groove 1.1.1, and the power supply socket 1.8 is arranged on one side of the first mounting seat 1.1.
[0023] like Figure 3 As shown, the circuit board is provided with a first resistor R p1 1.2.2.1. Second resistor R p2 1.2.2.2, first indicator light 1.2.2.3, second indicator light 1.2.2.4, first contact point 1.2.2.5, second contact point 1.2.2.6, Q11.2.2.7, Q21.2.2.8, voltage comparator V11.2.2.9, voltage comparator V21.2.2.10, gate circuit U11.2.2.11, NOT gate circuit U21.2.2.12, circuit board power supply GND1.2.2.13, circuit board power supply VCC1.2.2.14, several R1, R2, test resistor R x One end of 2 is connected to the circuit board power supply GND1.2.2.13, and the test resistance R x The other end of 2 is connected to the circuit board power supply VCC1.2.2.14 through R1. The test resistor R x 2 and R1 are respectively connected to the reverse input terminal of the voltage comparator V11.2.2.9 and the non-inverting input terminal of the voltage comparator V21.2.2.10. The first resistor R p1 One end of 1.2.2.1 is connected to the power supply GND of the component, and the first resistor R p1 The other end of 1.2.2.1 is connected to the power supply VCC of the component through R1. The second resistor R p2 One end of 1.2.2.2 is connected to the power supply GND of the component, and the second resistor R p2 The other end of 1.2.2.2 is connected to the power supply VCC of the component through R1, and the in-phase input end of the voltage comparator V11.2.2.9 is connected to the first resistor R p1 1.2.2.1 and R1, the inverting input terminal of the voltage comparator V21.2.2.10 is connected to the second resistor R p21.2.2.2 is connected between R1, the input ends of the gate circuit U11.2.2.11 and the NOT gate circuit U21.2.2.12 are connected to the output ends of the voltage comparator V11.2.2.9 and the voltage comparator V21.2.2.10, both sides of the voltage comparator V11.2.2.9 and the voltage comparator V21.2.2.10 are connected to the power supply VCC and the power supply GND of the component, the output end of the gate circuit U11.2.2.11 is connected to the base of Q11.2.2.7, the NOT gate The output end of the circuit U21.2.2.12 is connected to the base of Q21.2.2.8, the emitter of Q11.2.2.7 is connected to one end of the first indicator light 1.2.2.3, the emitter of Q21.2.2.8 is connected to one end of the second indicator light 1.2.2.4, the other ends of the first indicator light 1.2.2.3 and the second indicator light 1.2.2.4 are connected to the power supply GND of the component, and the collectors of Q11.2.2.7 and Q21.2.2.8 are connected to the power supply VCC of the component through R2.
[0024] like Figure 4 as well as Figure 5 As shown, the resistance test module 1.2 includes a second mounting seat 1.2.1, a circuit board 1.2.2, an adjustment knob 1.2.3, a protective cover 1.2.4, a power supply GND conductive spring 1.2.5, and a power supply VCC conductive spring 1.2.6. The second mounting seat 1.2.1 is provided with a cavity 1.2.1.2, and the circuit board 1.2.2 is arranged inside the cavity 1.2.1.2. The upper end of the second mounting seat 1.2.1 is provided with a second groove 1.2.1.1 and a third groove 1.2.1.3, and the third groove 1.2.1.3 is arranged at both ends of the second groove 1.2.1.1. The first contact point 1.2.2.5 and the second contact point 1.2.2.6 are protruding at both ends of the bottom surface of the second groove 1.2.1.1. The test resistor R x The lower end of 2 is embedded in the second groove 1.2.1.1 and connected to the first contact point 1.2.2.5 and the second contact point 1.2.2.6. The first resistor R p1 1.2.2.1. Second resistor R p2 1.2.2.2 Set the test resistor R x 2, the first indicator light 1.2.2.3 and the second indicator light 1.2.2.4 are protruding from one side of the upper end of the second mounting seat 1.2.1, the adjusting knob 1.2.3 is arranged inside the third groove 1.2.1.3, the adjusting knob 1.2.3 is provided with two, the lower end of the adjusting knob 1.2.3 is connected to the first resistor R p1 1.2.2.1. Second resistor R p21.2.2.2 connection, the protective cover 1.2.4 is embedded in the third groove 1.2.1.3, the protective cover 1.2.4 is provided with a first through hole 1.2.4.1 and a second through hole 1.2.4.2, the first through hole 1.2.4.1 is provided corresponding to the adjustment knob 1.2.3, the first resistor R p1 The first test position 1.2.2.1.1 is provided at both ends of 1.2.2.1, and the second resistor R p2 The second test positions 1.2.2.2.1 are provided at both ends of 1.2.2.2, and the second through holes 1.2.4.2 are respectively provided corresponding to the first test position 1.2.2.1.1 and the second test position 1.2.2.2.1. Preferably, the first indicator light 1.2.2.3 is green and the second indicator light 1.2.2.4 is red.
[0025] According to the test resistance R x The resistance value of 2 determines the nominal resistance range. The first resistor R p1 1.2.2.1 Setting the test resistance R x 2 The upper limit of the nominal resistance value, the second resistor R p2 1.2.2.2 Setting the test resistance R x 2 The lower limit of the nominal resistance value, adjust the first resistor R by adjusting knob 1.2.3 p1 1.2.2.1 and the second resistor R p2 1.2.2.2 resistance, touch the first resistor R through the multimeter probe p1 1.2.2.1 The first test position and the second resistor R on both sides p2 1.2.2.2 The second test position on both sides to confirm the first resistance R p1 1.2.2.1. Second resistor R p2 1.2.2.2 Resistance value, after adjustment, put the resistance test module 1.2 into the first groove 1.1.1, so that the power supply GND conductive spring 1.2.5 is electrically connected to the power supply GND conductive contact 1.3 and the circuit board power supply GND1.2.2.13, the power supply VCC conductive spring 1.2.6 is electrically connected to the power supply VCC conductive contact 1.4 and the circuit board power supply VCC1.2.2.14, and the DC power supply 1.7B + The circuit board power supply VCC is electrically connected through the control switch, and the DC power supply 1.7B- is electrically connected to the circuit board power supply GND1.2.2.13 through the control switch. The circuit board power supply VCC1.2.2.14 and the circuit board power supply GND1.2.2.13 are electrically connected to the power supply VCC and the power supply GND of each resistance test element. The plug of the DC power supply 1.7 is inserted into the power supply socket 1.8 to power the detection device 1, and the test resistor R x 2 is arranged inside the second groove 1.2.1.1 so that the test resistor Rx 2 The two ends of the lower end are connected to the first contact point 1.2.2.5 and the second contact point 1.2.2.6, the control switch 1.6 is turned on, and the control switch 1.6 is closed. At this time, the third indicator light 1.5 lights up, and the detection device 1 starts to work, and the resistance R is tested. x 2 corresponds to the divided voltage V b (Voltage comparator V11.2.2.9 inverting input terminal (- terminal)) is (VCC*R x ) / (R1+R x );The input voltage V corresponding to the non-inverting input terminal (+ terminal) of the voltage comparator V11.2.2.9 a =(VCC*R p1 ) / (R1+R p1 ), according to the principle of voltage comparator, when V b Less than V a When the voltage comparator V11.2.2.9 outputs a voltage V out1 is the power supply VCC, when V b Greater than V a When the voltage comparator V11.2.2.9 outputs a voltage V out1 The power supply GND, the input voltage Vc corresponding to the reverse input terminal (- terminal) of the voltage comparator V21.2.2.10 is (VCC*R p2 ) / (R1+R p2 ), test resistance R x 2 corresponds to the divided voltage V b (The voltage comparator V21.2.2.10 non-inverting input terminal (+ terminal)) is (VCC*R x ) / (R1+R x ), according to the principle of voltage comparator, when V b Greater than V c When the voltage comparator V21.2.2.10 outputs a voltage V out2 is the power supply VCC, when V b Less than V c When the voltage comparator V21.2.2.10 outputs a voltage V out2 It is the power supply GND;
[0026] When the output V of the voltage comparator V11.2.2.9 out1 and the output V of the voltage comparator V21.2.2.10 out2 When both output power VCC, the V out3 Output power supply VCC, transistor Q11.2.2.7 is turned on, the first indicator light 1.2.2.3 is on, indicating the current test resistance R x 2 resistance is less than the first resistor R p11.2.2.1 Resistance, test resistor R x 2 resistance is greater than the second resistor R p2 1.2.2.2 Resistance, test resistor R x 2 Resistance value is within the nominal resistance range; when the output V of the voltage comparator V11.2.2.9 out1 and the output V of the voltage comparator V21.2.2.10 out2 When the power supply VCC is not all, the V out3 Output power supply GND, transistor Q11.2.2.7 is not conducting, the first indicator light 1.2.2.3 is off, indicating the current test resistance R x 2 resistance is greater than the first resistor R p1 1.2.2.1 Resistance or test resistance R x 2 resistance is smaller than the second resistor R p2 1.2.2.2 Resistance, test resistor R x 2 Resistance value is not within the nominal range; thus the test resistor R x 2. If the resistance value is within the nominal range, light up the first indicator light 1.2.2.3 and test the resistance R x 2. If the resistance value is not within the nominal range, the first indicator light 1.2.2.3 will be turned off.
[0027] When the output V of the voltage comparator V11.2.2.9 out1 and the output V of the voltage comparator V21.2.2.10 out2 When both output power VCC, the NAND gate circuit U2V out4 Output power supply GND, transistor Q21.2.2.8 is not conducting, the second indicator light 1.2.2.4 is off, indicating the current test resistance R x 2 resistance is less than the first resistor R p1 1.2.2.1 Resistance, test resistor R x 2 resistance is greater than the second resistor R p2 1.2.2.2 Resistance, test resistor R x 2 Resistance value is within the nominal resistance range; when the output V of the voltage comparator V11.2.2.9 out1 and the output V of the voltage comparator V21.2.2.10 out2 When both are not powered by VCC, the NAND gate V out4 Output high level, transistor Q21.2.2.8 is turned on, and the second indicator light 1.2.2.4 lights up, indicating the current test resistance R x 2 resistance is greater than the first resistor R p1 1.2.2.1 Resistance or test resistance R x 2 resistance is smaller than the second resistor R p2 1.2.2.2 Resistance, test resistor Rx 2 Resistance value is not within the nominal range; thus the test resistor R x 2. If the resistance value is within the nominal range, the second indicator light 1.2.2.4 will be turned off. Test the resistance R x 2. If the resistance value is not within the nominal range, light up the second indicator light 1.2.2.4. Preferably, according to the test resistance R x 2. The resistance value of resistor R1 can be changed. The first resistor R p1 1.2.2.1 Resistance and second resistor R p2 1.2.2.2 Resistance value;
[0028] After the test is completed, the control switch 1.6 is disconnected, the third indicator light 1.5 is turned off, the detection device 1 is powered off, and the test resistor R is taken out. x 2. If the resistance test module 1.2 needs to be replaced, just take it out from the first groove 1.1.1.
[0029] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A novel resistance detection device, characterized in that: The detection device (1) comprises a plurality of resistance test modules (1.2), the resistance test modules (1.2) comprising a second mounting seat (1.2.1) and a circuit board (1.2.2), the second mounting seat (1.2.1) being provided with a cavity (1.2.1.2), the circuit board (1.2.2) being arranged inside the cavity (1.2.1.2), and the circuit board (1.2.2) being provided with a first resistor R p1 (1.2.2.1), the second resistor R p2 (1.2.2.2), a first indicator light (1.2.2.3), a second indicator light (1.2.2.4), a first contact point (1.2.2.5), a second contact point (1.2.2.6), the upper end of the second mounting seat (1.2.1) is provided with a second groove (1.2.1.1), the first contact point (1.2.2.5) and the second contact point (1.2.2.6) are protruding at both ends of the bottom surface of the second groove (1.2.1.1), and the test resistance R x The lower end of (2) is embedded in the second groove (1.2.1.1) and connected to the first contact point (1.2.2.5) and the second contact point (1.2.2.6). The first resistor R p1 (1.2.2.1), the second resistor R p2 (1.2.2.2) Set the test resistor R x (2), the first indicator light (1.2.2.3) and the second indicator light (1.2.2.4) are connected to the first resistor R p1 (1.2.2.1), the second resistor R p2 (1.2.2.2) is connected, and the first indicator light (1.2.2.3) and the second indicator light (1.2.2.4) are protrudingly arranged on one side of the upper end of the second mounting seat (1.2.1).
2. A novel resistance detection device according to claim 1, characterized in that: The upper end of the second mounting seat (1.2.1) is provided with a third groove (1.2.1.3), and the third groove (1.2.1.3) is provided at both ends of the second groove (1.2.1.1). The resistance testing module (1.2) further comprises an adjusting knob (1.2.3), and the adjusting knob (1.2.3) is provided inside the third groove (1.2.1.3). There are two adjusting knobs (1.2.3), and the lower end of the adjusting knob (1.2.3) passes through the bottom surface of the third groove (1.2.1.3) and is connected to the first resistor R p1 (1.2.2.1), the second resistor R p2 (1.2.2.2)Connection.
3. A novel resistance detection device according to claim 2, characterized in that: The resistance testing module (1.2) further comprises a protective cover (1.2.4), wherein the protective cover (1.2.4) is embedded in the third groove (1.2.1.3), and the protective cover (1.2.4) is provided with a first through hole (1.2.4.1), and the first through hole (1.2.4.1) is arranged corresponding to the adjustment knob (1.2.3).
4. A novel resistance detection device according to claim 3, characterized in that: The protective cover (1.2.4) is also provided with a second through hole (1.2.4.2), the first resistor R p1 The two ends of (1.2.2.1) are provided with a first test position (1.2.2.1.1), and the second resistor R p2 The two ends of (1.2.2.2) are provided with second test positions (1.2.2.2.1), and the second through holes (1.2.4.2) are respectively provided corresponding to the first test position (1.2.2.1.1) and the second test position (1.2.2.2.1).
5. A novel resistance detection device according to claim 1, characterized in that: The detection device (1) further comprises a first mounting seat (1.1), a power supply GND conductive contact (1.3), and a power supply VCC conductive contact (1.4); the first mounting seat (1.1) is provided with a plurality of first grooves (1.1.1); the power supply GND conductive contact (1.3) and the power supply VCC conductive contact (1.4) are arranged on the side walls of the first grooves (1.1.1); and the resistance testing module (1.2) comprises a power supply GND conductive spring (1.2.5) arranged corresponding to the power supply GND conductive contact (1.3), a power supply VCC conductive contact (1.4) arranged corresponding to the power supply VCC conductive contact (1.4); A power supply GND conductive spring (1.2.5) is electrically connected to the power supply GND conductive contact (1.3) and the circuit board power supply GND (1.2.2.13); the power supply VCC conductive spring (1.2.6) is electrically connected to the power supply VCC conductive contact (1.4) and the circuit board power supply VCC (1.2.2.14); the lower end of the resistance test module (1.2) is embedded in the first groove (1.1.1); the power supply GND conductive spring (1.2.5) is electrically connected to the power supply GND conductive contact (1.3) and the circuit board power supply GND (1.2.2.13); and the power supply VCC conductive spring (1.2.6) is electrically connected to the power supply VCC conductive contact (1.4) and the circuit board power supply VCC (1.2.2.14).
6. A novel resistance detection device according to claim 1, characterized in that: The detection device (1) further comprises a third indicator light (1.5), a control switch (1.6), and a DC power supply (1.7); one end of the control switch (1.6) is connected to the DC power supply (1.7), and the other end of the control switch (1.6) is connected to the third indicator light (1.5).
7. A novel resistance detection device according to claim 1, characterized in that: The circuit board (1.2.2) is also provided with Q1 (1.2.2.7), Q2 (1.2.2.8), voltage comparator V1 (1.2.2.9), voltage comparator V2 (1.2.2.10), gate circuit U1 (1.2.2.11), NOT gate circuit U2 (1.2.2.12), and the test resistor R x One end of (2) is connected to one end of the voltage comparator V1 (1.2.2.9) and one end of the voltage comparator V2 (1.2.2.10), and one end of the voltage comparator V1 (1.2.2.9) is also connected to the first resistor R p1 (1.2.2.1), one end of the voltage comparator V2 (1.2.2.10) is also connected to the second resistor R p2 (1.2.2.2), one end of the gate circuit U1 (1.2.2.11) and the NOT gate circuit U2 (1.2.2.12) are connected to the other end of the voltage comparator V1 (1.2.2.9) and the voltage comparator V2 (1.2.2.10), the other end of the gate circuit U1 (1.2.2.11) is connected to the base of Q1 (1.2.2.7), the other end of the NOT gate circuit U2 (1.2.2.12) is connected to the base of Q2 (1.2.2.8), the emitter of Q1 (1.2.2.7) is connected to the first indicator light (1.2.2.3), and the emitter of Q2 (1.2.2.8) is connected to the second indicator light (1.2.2.4).