CN220671541U - Capacitance detection device - Google Patents
Capacitance detection device Download PDFInfo
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- CN220671541U CN220671541U CN202321613805.4U CN202321613805U CN220671541U CN 220671541 U CN220671541 U CN 220671541U CN 202321613805 U CN202321613805 U CN 202321613805U CN 220671541 U CN220671541 U CN 220671541U
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- 238000001514 detection method Methods 0.000 title claims abstract description 128
- 239000003990 capacitor Substances 0.000 claims abstract description 48
- 210000004907 gland Anatomy 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a capacitance detection device, which comprises a first power supply, a detection table, a detection resistor, a capacitance indication module and a temperature control module, wherein the detection table comprises a detection box, a plurality of mounting grooves are formed in the top of the detection box, the lower end of a to-be-detected capacitor is limited in the mounting grooves, the two ends of the detection resistor are respectively a first end and a second end, the first end of the detection resistor is connected with the first power supply, one detection contact of each group of detection contacts is connected with the second end of the detection resistor, and the other detection contact of each group of detection contacts is grounded; the capacitance indication module is connected with the detection resistor in parallel. The beneficial effects of the utility model are as follows: the detection device can rapidly complete the detection of a plurality of capacitors to be detected at one time, and the detection efficiency of the capacitors to be detected is improved; meanwhile, the temperature control module can control the working temperature of the capacitor to be detected, and can detect the capacitor to be detected at a specific temperature, so that the detection environment of the capacitor to be detected is more close to the actual use environment, and the detection result is more accurate and has more reference value.
Description
Technical Field
The utility model relates to the technical field of electronic element detection devices, in particular to a capacitance detection device.
Background
Before the electronic components are mounted on the electronic products, the electronic components are detected correspondingly. After the electronic component is determined to be normally used, the electronic component can be applied to the electronic product, and the electronic product is prevented from being incapable of normally working due to the failure of the electronic component. For example, the capacitor is easily affected by the use condition during the actual use process, and has high failure rate. The capacitance is prone to appear as a short circuit in the circuit after failure. If the failed capacitor is applied to a circuit, the failure of electrical equipment is easy to cause. Therefore, it is necessary to detect the capacitance. At present, the detection of the capacitor is carried out through a universal meter, only one capacitor can be detected at a time, and the detection efficiency is low.
Disclosure of Invention
In view of this, in order to improve the detection efficiency of the capacitance, the utility model provides a capacitance detection device, which includes a first power source, a detection table, a detection resistor and a capacitance indication module;
the detection platform comprises a detection box, wherein a plurality of mounting grooves are formed in the top of the detection box, a group of detection contacts are arranged in each mounting groove, each group comprises two detection contacts, the lower end of each capacitor to be detected is limited in one mounting groove, and two electrode contacts at the end part of each detection capacitor are respectively contacted with the two detection contacts in the mounting groove where the electrode contacts are positioned;
the two ends of the detection resistor are respectively a first end and a second end, the first end of the detection resistor is connected with a first power supply, one detection contact of each group of detection contacts is connected with the second end of the detection resistor, and the other detection contact of each group of detection contacts is grounded;
and two ends of the capacitance indication module are respectively connected with a first end and a second end of the detection resistor through wires.
Further, the detection table further comprises a gland assembly, a group of side walls opposite to the detection box are provided with a group of fixed plates, the gland assembly comprises a fixed cover plate and a lifting cover plate, the lifting cover plate is located below the fixed cover plate, two sides of the fixed cover plate are respectively provided with an elastic side plate, two ends of the elastic side plate are respectively provided with a locking buckle plate, the lifting cover plate is provided with a plurality of guide posts, the guide posts penetrate through the fixed cover plate, the upper ends of the guide posts are provided with limit nuts, each guide post is sleeved with a spiral spring, the spiral springs downwards compress the lifting cover plate, and the lifting cover plate compresses the upper end of the capacitor to be detected.
Further, the outer sides of the two elastic side plates are also provided with mounting handles.
Further, a plurality of binding posts are arranged on the side edge of the detection box, and the binding posts are connected with the detection contacts in the mounting groove one by one.
Further, the detection table further comprises a base, and the detection box is located on the base.
Further, a warning lamp and/or a buzzer are arranged in the capacitance indication module.
Further, the detection device also comprises a temperature control module, wherein the temperature control module comprises a second power supply, a temperature regulator and a heater which are connected in sequence.
Further, the temperature control module is located within the base.
The capacitance detection device has the beneficial effects that: the detection box of the detection device is provided with a plurality of mounting grooves, a capacitor to be detected is mounted in each mounting groove, after a first power supply of the detection device is electrified, whether the capacitor to be detected in the plurality of mounting grooves is qualified or not can be judged by the capacitor indication module, the detection of the plurality of capacitors to be detected can be completed at one time rapidly, and the detection efficiency of the capacitors to be detected is improved. Meanwhile, the working temperature of the capacitor to be detected is controlled by the temperature control module, and the capacitor to be detected can be detected at a specific temperature, so that the capacitor to be detected is more close to the state in the actual use environment, and the detection result is more accurate and has more reference value.
Drawings
Fig. 1 is a schematic circuit diagram of a capacitance detection device according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a detection table of a capacitance detection device according to an embodiment of the utility model.
Fig. 3 is a top view of the base 14 and the cartridge 1 of fig. 2.
In the above figures: the device comprises a 1-detection box, a 11-mounting groove, a 12-detection contact, a 13-fixing plate, a 14-base, a 15-binding post, a 2-capacitor to be detected, a 3-fixing cover plate, a 31-elastic side plate, a 32-locking buckle plate, a 33-mounting handle, a 34-lifting cover plate, a 35-guide post, a 36-limit nut, a 37-coil spring, a 4-detection resistor, a 5-first power supply, a 6-capacitor indication module, a 7-temperature control assembly, a 71-second power supply and a 72-temperature regulator.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present utility model provides a capacitance detection device, which includes a detection table, a detection resistor 4, a first power supply 5, and a capacitance indication module 6.
The detection platform comprises a detection box 1, a base 14 and a gland assembly, wherein the detection box 1 is fixed on the base 14, a plurality of mounting grooves 11 are formed in the top of the detection box 1, a group of detection contacts 12 are arranged in each mounting groove 11, each group comprises two detection contacts 12, a capacitor 2 to be detected is of a cylindrical structure, two electrode contacts are arranged at the end parts of the capacitor 2 to be detected, the two electrode contacts are located at the same end parts of the capacitor, the end parts of the capacitor 2 to be detected, which are provided with the electrode contacts, are inserted into the mounting grooves 11 during detection, the gland assembly is mounted on the detection box 1, and the gland assembly compresses all the capacitors 2 to be detected in the mounting grooves 11, so that the electrode contacts of the capacitor 2 to be detected can be in tight contact with the detection contacts 12.
Two detection contacts in each mounting groove of the detection table 1 form a detection branch, two ends of the detection resistor 4 are a first end and a second end respectively, the first end is connected with the first power supply 5, one detection contact 12 of each group of detection contacts 12 is connected to the first end of the detection resistor 4, and the other detection contact 12 of each group of detection contacts 12 is grounded through the same grounding wire. The two ends of the capacitance indication module 6 are respectively connected with the first end and the second end of the detection resistor 4 through wires, namely, the capacitance indication module 6 is connected with the detection resistor 4 in parallel, a warning lamp and a buzzer are arranged in the capacitance indication module 6, and when the voltage at the two ends of the capacitance indication module reaches a certain height, the warning lamp and the buzzer send out warning light and warning voice.
Preferably, a set of fixed plates 13 are disposed on a set of opposite side walls of the detection box 1, the gland assembly includes a fixed cover plate 3 and a lifting cover plate 34, the lifting cover plate 34 is located below the fixed cover plate 3, two elastic side plates 31 are disposed on two sides of the fixed cover plate 3, the two elastic side plates 31 are connected with the fixed cover plate 3 into a whole, the whole is made of elastic metal plates, locking buckle plates 32 are disposed on lower ends of the two elastic side plates 31, the locking buckle plates 32 are fastened with the fixed plates 13, the fixed cover plate 3 is prevented from falling, and the distance between the two locking buckle plates 32 can be adjusted through elasticity of the elastic side plates 31. The lifting cover plate 34 is provided with a plurality of guide posts 35, the guide posts 35 penetrate through the fixed cover plate 44, the upper ends of the guide posts 35 are provided with limit nuts 36, each guide post 35 is sleeved with a spiral spring 37, the spiral springs 37 are located between the fixed cover plate 3 and the lifting cover plate 34, the distance between the fixed cover plate 3 and the lifting cover plate 34 can be adjusted by compressing the spiral springs 37, and the spiral springs 37 are used for downwards compressing the capacitor 4 to be tested through the lifting cover plate 34. The outer sides of the two elastic side plates 31 are also provided with mounting handles 33, and the mounting handles 33 are used for adjusting the distance between the two locking buckle plates 32, so that the gland assembly is convenient to mount and dismount.
Further, a plurality of binding posts 13 are arranged on the side edge of the detection box 1, the binding posts 13 are connected with the detection contacts 12 in the mounting groove 11 in a one-to-one correspondence mode, and the binding posts 13 facilitate connection of the detection contacts 12 with the detection resistor 4 and a grounding wire.
Preferably, the detecting device further includes a temperature control module, the temperature control module includes a second power supply 71, a temperature regulator 73 and a temperature control component 7 that are sequentially connected, in this embodiment, the temperature control module is disposed in the base 13 of the detecting platform 1, the second power supply 71 is used for supplying power to the temperature control component 7, a heater is disposed in the temperature control component 7, and the temperature regulator 72 is used for regulating the temperature of the temperature control component, so that the environmental temperature of the capacitor 2 to be detected is controlled within the working temperature range of the capacitor 2 to be detected, so as to simulate the working scene of the capacitor 2 to be detected, and the detection result of the capacitor 2 to be detected is more accurate and has more reference value.
The working process of the capacitance detection device comprises the following steps: a group of (ten in the embodiment) capacitors 2 to be tested are arranged in the mounting groove 11, two electrode contacts of the capacitors 2 to be tested are respectively contacted with two detection contacts 12 in the mounting groove 11, and the gland assembly is arranged to enable the spiral spring 37 to compress the capacitors 2 to be tested through the lifting cover plate 34; starting the first power supply 5; if all the capacitors 2 to be detected are qualified, the whole detection circuit is not conducted, and at the moment, the voltage at two ends of the detection resistor 4 is extremely low, and the warning lamp and the buzzer in the capacitance indication module 6 do not work; if a group of capacitors to be detected has unqualified capacitors (and has a capacitor failure), the whole detection circuit is in a conducting (short-circuit) state, at the moment, the detection resistor 4 can prevent the whole detection current from being overlarge, the voltage at two ends of the detection resistor is increased, and the warning lamp and the buzzer in the capacitor indication module 6 start to work, so that workers are reminded of the failure capacitors in the group of capacitors to be detected, and the point capacitor detection effect is achieved.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a capacitance detection device for detect the electric capacity that awaits measuring, the electric capacity tip that awaits measuring is equipped with two electrode contacts, its characterized in that: the detection device comprises a first power supply, a detection table, a detection resistor and a capacitance indication module;
the detection platform comprises a detection box, wherein a plurality of mounting grooves are formed in the top of the detection box, a group of detection contacts are arranged in each mounting groove, each group comprises two detection contacts, the lower end of each capacitor to be detected is limited in one mounting groove, and two electrode contacts at the end part of each detection capacitor are respectively contacted with the two detection contacts in the mounting groove where the electrode contacts are positioned;
the two ends of the detection resistor are respectively a first end and a second end, the first end of the detection resistor is connected with a first power supply, one detection contact of each group of detection contacts is connected with the second end of the detection resistor, and the other detection contact of each group of detection contacts is grounded;
two ends of the capacitance indication module are respectively connected with a first end and a second end of the detection resistor through wires;
the detection table further comprises a gland assembly, a group of side walls, opposite to the detection box, are provided with a group of fixed plates, the gland assembly comprises a fixed cover plate and a lifting cover plate, the lifting cover plate is located below the fixed cover plate, two sides of the fixed cover plate are respectively provided with an elastic side plate, two ends of the elastic side plate are respectively provided with a locking buckle plate, the lifting cover plate is provided with a plurality of guide posts, the guide posts penetrate through the fixed cover plate, the upper ends of the guide posts are provided with limit nuts, each guide post is sleeved with a spiral spring, the spiral springs downwards compress the lifting cover plate, and the lifting cover plate compresses the upper end of the capacitor to be detected.
2. A capacitance sensing arrangement according to claim 1, wherein: and the outer sides of the two elastic side plates are also provided with mounting handles.
3. A capacitance sensing arrangement according to claim 1, wherein: the side of the detection box is provided with a plurality of binding posts which are connected with the detection contacts in the mounting groove one by one.
4. A capacitance sensing arrangement according to claim 1, wherein: the detection platform further comprises a base, and the detection box is located on the base.
5. A capacitance sensing arrangement according to claim 1, wherein: and a warning lamp and/or a buzzer are arranged in the capacitance indication module.
6. The capacitance sensing device according to claim 4, wherein: the detection device further comprises a temperature control module, wherein the temperature control module comprises a second power supply, a temperature regulator and a heater which are sequentially connected.
7. The capacitance sensing device according to claim 6, wherein: the temperature control module is located in the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613805.4U CN220671541U (en) | 2023-06-21 | 2023-06-21 | Capacitance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613805.4U CN220671541U (en) | 2023-06-21 | 2023-06-21 | Capacitance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671541U true CN220671541U (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321613805.4U Active CN220671541U (en) | 2023-06-21 | 2023-06-21 | Capacitance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671541U (en) |
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2023
- 2023-06-21 CN CN202321613805.4U patent/CN220671541U/en active Active
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