CN203204118U - Cable sine wave high frequency spark test circuit and test machine - Google Patents
Cable sine wave high frequency spark test circuit and test machine Download PDFInfo
- Publication number
- CN203204118U CN203204118U CN 201320159129 CN201320159129U CN203204118U CN 203204118 U CN203204118 U CN 203204118U CN 201320159129 CN201320159129 CN 201320159129 CN 201320159129 U CN201320159129 U CN 201320159129U CN 203204118 U CN203204118 U CN 203204118U
- Authority
- CN
- China
- Prior art keywords
- circuit
- test
- cable
- frequency spark
- sinusoidal wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a cable sine wave high frequency spark test circuit and a test machine. The cable sine wave high frequency spark test circuit comprises an exchange type power supply device, a voltage control circuit, a oscillation circuit, a high voltage transformer, a high pass filter and a fault detection circuit, wherein the exchange type power supply device is used for providing work voltage of a test circuit, the voltage control circuit is used for maintaining stability of output test voltage, the oscillation circuit is used for generating a sine wave oscillation circuit, the high voltage transformer is used for making output test voltage be 0-15 KVAC, the high pass filter is used for detecting feedback signals of the high voltage transformer and the fault detection circuit is used for comparing signal intensity before and after the high pass filter and emits acoustical signal or optical signal alarm. The circuit can be applied to a high frequency spark test machine, rapidly and reliably detects pinholes and leather damage of various wire cable conductors but does not damage electric conductors.
Description
Technical field
The utility model relates to circuit field, refers to the sinusoidal wave high-frequency spark test circuit of a kind of cable and test machine especially.
Background technology
Cable and insulated conductor must possess dielectric strength and the dielectric strength of regulation for the safety of using, so for the enterprise that produces cable and insulated conductor, whether obligated to detect the cable surface insulation by means of testing tool good, and the high-frequency spark testing machine namely is a kind of rapid and reliable testing tool, can be used in order to the pin hole that detects all kinds of electric wire and cable conductors and the high precision instrument that breaks skin.Existing most traditional spark tester detection speed is slower, and sensitivity is not high.
The utility model content
The utility model proposes the sinusoidal wave high-frequency spark test circuit of a kind of cable and test machine, solved the not enough and not high problem of sensitivity of prior art medium-high frequency spark machine detection speed.
The technical solution of the utility model is achieved in that
The sinusoidal wave high-frequency spark test circuit of a kind of cable, it comprises:
Switched power supplier is for the operating voltage that test circuit is provided;
Voltage control circuit is connected with described switched power supplier, is used for keeping the stable of output test voltage;
Oscillating circuit is connected with described voltage control circuit, for generation of sinusoidal wave oscillating circuit;
High-tension transformer is connected with described oscillating circuit, makes the test voltage of output reach 0-15kVAC;
Hi-pass filter is connected with described high-tension transformer, for detection of the feedback signal of described high-tension transformer;
Fault detection circuit is connected with described Hi-pass filter, is used for comparison through the signal magnitude before and after the described Hi-pass filter, and sends acoustical signal or light alarm.
Preferably, it comprises that further parameter arranges module, and described parameter arranges module and is connected with voltage control circuit with described switched power supplier.
Preferably, described parameter arranges module and comprises that mode of operation arranges button and Hi-pot test safety switch button.
Preferably, it further comprises display circuit, and described display circuit arranges module with described voltage control circuit with described parameter and is connected, and is used for the test voltage of display setting.
Preferably, it is A/D converter that described display circuit adopts ICL7107, adopts HDSP-5501 as digital pipe driving chip.
Preferably, described switched power supplier comprises first Switching Power Supply and second switch power supply, described first Switching Power Supply is given described voltage control circuit, Hi-pass filter, fault detection circuit and display circuit power supply, and described second switch power supply is to described oscillating circuit and high-tension transformer power supply.
The utility model also proposes the sinusoidal wave high-frequency spark test machine of a kind of cable, and its inside is provided with the sinusoidal wave high-frequency spark test circuit of described cable.
Preferably, it is divided into and shows control box and two casings of Hi-pot test electrode case.
Circuit of the present utility model can be applicable on the high-frequency spark testing machine, so that all kinds of electric wire and cable conductors of rapid and reliable detection and pin hole and broken skin.It can detect the conductor defective fast and can not destroy electric conductor.Use high frequency (3KHz) high-tension electricity cartridge to replace tradition (50/60Hz) supply frequency high-tension electricity cartridge, can make its electrode tip size dwindle about 50 times, and have higher sensitivity when detecting.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit module connection diagram of the utility model high-frequency spark test circuit;
Fig. 2 is the control box circuit theory diagrams of the utility model high-frequency spark test circuit preferred embodiment;
Fig. 3 is the electrode case circuit theory diagrams of the utility model high-frequency spark test circuit preferred embodiment;
Fig. 4 is the display circuit schematic diagram of the utility model high-frequency spark test circuit preferred embodiment;
Fig. 5 is the oscillating circuit schematic diagram of the utility model high-frequency spark test circuit preferred embodiment;
Fig. 6 is the circuit module figure on the utility model preferred embodiment main circuit board.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 1-shown in Figure 6, the sinusoidal wave high-frequency spark test circuit of cable of the present utility model comprises:
Switched power supplier is for the operating voltage that test circuit is provided;
Voltage control circuit is connected with described switched power supplier, is used for keeping the stable of output test voltage;
Oscillating circuit is connected with described voltage control circuit, for generation of sinusoidal wave oscillating circuit;
High-tension transformer is connected with described oscillating circuit, makes the test voltage of output reach 0-15kVAC;
Hi-pass filter is connected with described high-tension transformer, for detection of the feedback signal of described high-tension transformer;
Fault detection circuit is connected with described Hi-pass filter, is used for comparison through the signal magnitude before and after the described Hi-pass filter, and sends acoustical signal or light alarm.
This circuit application during use, also is provided with parameter module is set, be i.e. spark machine READY module shown in Fig. 1 on the sinusoidal wave high-frequency spark testing machine of cable on testing machine.Described parameter arranges module and is connected with voltage control circuit with described switched power supplier, this parameter arranges module and comprises that mode of operation arranges button and Hi-pot test safety switch button, described mode of operation comprises the automatic or manual pattern, when described Hi-pot test safety switch is opened, namely close the output testing high voltage.
The utility model also further comprises display circuit, and described display circuit arranges module with described voltage control circuit (being the P.I.D voltage control circuit among Fig. 1) with described parameter and is connected, and is used for the test voltage of display setting.As Fig. 2 and shown in Figure 4, it is A/D converter that this display circuit adopts ICL7107, adopts HDSP-5501 as digital pipe driving chip, the JP1 terminals in the JP1 terminals connection layout 2 among Fig. 4 on the display circuit board, and be connected with JP10 on the main circuit board.Because ICL7107 is that A/D converter and chip HDSP-5501 all have prior art, its pin function and can not repeat them here referring to its databook with reference to mode of connection.
As shown in Figure 2, in this preferred embodiment, described switched power supplier comprises first Switching Power Supply and second switch power supply, described first Switching Power Supply is connected with the JP4 terminals of main circuit board through behind the switch, gives described voltage control circuit, Hi-pass filter, fault detection circuit and display circuit power supply; Described second switch power supply is connected with the JP11 terminals of main circuit board, to described oscillating circuit and high-tension transformer power supply.
Described oscillating circuit as shown in Figure 5, the synthetic concussion of this circuit and high-tension transformer loop, the JP2 terminals of main circuit board in the JP2 terminals connection layout 2 among Fig. 5, thereby oscillating circuit plate and main circuit board are coupled together.Also be provided with the 12P signal connector on the oscillating circuit plate among Fig. 2, this 12P signal connector is connected with 12P signal connector among Fig. 3, thereby the oscillating circuit plate is connected with high-tension transformer, is used for oscillator signal being transported to high-tension transformer and the feedback signal of high-tension transformer being fetched.Have fault to be when spark tester detects cable, the alarm lamp among Fig. 3 is then pointed out warning, is convenient to the user and in time does respective handling.
The sinusoidal wave high-frequency spark test machine of the cable of built-in circuit can be divided into two casings: show control box and Hi-pot test electrode case, certainly, also can be designed to all-in-one according to demand.Be divided into two casings in the utility model preferred embodiment, Fig. 2 is and shows the control box circuit diagram, wherein the connection terminal 1 in left side is used for the relay signal contact output when test detects cable fault, generally can be used to do interlock control with client's apparatus for production line; The connection terminal 2 of its below is used for the warning warning lamp on the control test electrode casing as the 9th pin, when detecting cable fault, sends alarm signal.Fig. 3 namely is electrode case circuit theory diagrams, adopts high frequency oscillation signal testing cable fault.
Wherein the circuit module figure on the main circuit board as shown in Figure 6, its JP1 pin is connected with the oscillating circuit plate, be used for to receive the feedback signal behind the high frequency oscillation input cable, in order to judge whether to exist electric cable stoppage.Export failure detector circuit to behind the result's process high-pass filtering circuit (being the Hi-pass filter among Fig. 1) that detects, and by various ways such as relay, digital counter, panel warning light prompting testing results.The parameters such as current/voltage of test can be by the high-frequency rectification circuit adjustment, and shows that by high pressure correcting output circuit exports display circuit board to and show.The sensitivity that detects can be by the high-pass filtering circuit adjustment, and the delay time of warning is by the failure detector circuit adjustment, its switch, reset signal, waits and sets and can adjust by spark machine READY circuit manually or automatically.
Spark machine READY circuit also is connected with a test voltage and set adjusts circuit, by the whether eligible startup of this circuit judges spark machine test voltage; Test voltage is set and is adjusted actual maximum output test voltage and the maximum output power that circuit also can be regulated spark machine by interface JP9, and this interface JP9 picks out by an interface board in Fig. 2; Test voltage set to be adjusted circuit and also is used for receiving the high-tension transformer feedback signal, and according to this feedback signal control PID voltage control circuit (being the P.I.D voltage control circuit among Fig. 1) and oscillation drive circuit by the interface JP2 output drive signal on the main circuit board to oscillating circuit board.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; especially illustrated switched power supplier; voltage control circuit; oscillating circuit; high-tension transformer; Hi-pass filter; circuit modules such as fault detection circuit; as long as can reach and illustrated embodiment and description identical functions; and the circuit structure and the components and parts that are not limited among the figure make up; those skilled in the art can understand these circuit and also can form by other circuit elements device or module combinations; so it is all within spirit of the present utility model and principle; any modification of doing; be equal to replacement; improve etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. the sinusoidal wave high-frequency spark test circuit of a cable is characterized in that it comprises:
Switched power supplier is for the operating voltage that test circuit is provided;
Voltage control circuit is connected with described switched power supplier, is used for keeping the stable of output test voltage;
Oscillating circuit is connected with described voltage control circuit, for generation of sinusoidal wave oscillating circuit;
High-tension transformer is connected with described oscillating circuit, makes the test voltage of output reach 0-15kVAC;
Hi-pass filter is connected with described high-tension transformer, for detection of the feedback signal of described high-tension transformer;
Fault detection circuit is connected with described Hi-pass filter, is used for comparison through the signal magnitude before and after the described Hi-pass filter, and sends acoustical signal or light alarm.
2. the sinusoidal wave high-frequency spark test circuit of cable as claimed in claim 1 is characterized in that it comprises that further parameter arranges module, and described parameter arranges module and is connected with voltage control circuit with described switched power supplier.
3. the sinusoidal wave high-frequency spark test circuit of cable as claimed in claim 2 is characterized in that described parameter arranges module and comprises that mode of operation arranges button and Hi-pot test safety switch button.
4. the sinusoidal wave high-frequency spark test circuit of cable as claimed in claim 3 is characterized in that it further comprises display circuit, and described display circuit arranges module with described voltage control circuit with described parameter and is connected, and is used for the test voltage of display setting.
5. the sinusoidal wave high-frequency spark test circuit of cable as claimed in claim 4 is characterized in that it is A/D converter that described display circuit adopts ICL7107, adopts HDSP-5501 as digital pipe driving chip.
6. the sinusoidal wave high-frequency spark test circuit of cable as claimed in claim 4, it is characterized in that, described switched power supplier comprises first Switching Power Supply and second switch power supply, described first Switching Power Supply is given described voltage control circuit, Hi-pass filter, fault detection circuit and display circuit power supply, and described second switch power supply is to described oscillating circuit and high-tension transformer power supply.
7. the sinusoidal wave high-frequency spark test machine of cable is characterized in that, its inside is provided with the sinusoidal wave high-frequency spark test circuit of each cable among the claim 1-6.
8. the sinusoidal wave high-frequency spark test machine of cable as claimed in claim 7 is characterized in that, it is divided into and shows control box and two casings of Hi-pot test electrode case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159129 CN203204118U (en) | 2013-04-01 | 2013-04-01 | Cable sine wave high frequency spark test circuit and test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159129 CN203204118U (en) | 2013-04-01 | 2013-04-01 | Cable sine wave high frequency spark test circuit and test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203204118U true CN203204118U (en) | 2013-09-18 |
Family
ID=49148214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320159129 Withdrawn - After Issue CN203204118U (en) | 2013-04-01 | 2013-04-01 | Cable sine wave high frequency spark test circuit and test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203204118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197219A (en) * | 2013-04-01 | 2013-07-10 | 东莞市和而泰电子科技有限公司 | Wire cable sine wave high frequency spark test circuit and wire cable sine wave high frequency spark test machine |
| CN106198557A (en) * | 2016-07-01 | 2016-12-07 | 江苏亨通光电股份有限公司 | A kind of nonmetal all dielectric air-blowing micro-cable cable surface detection device |
-
2013
- 2013-04-01 CN CN 201320159129 patent/CN203204118U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197219A (en) * | 2013-04-01 | 2013-07-10 | 东莞市和而泰电子科技有限公司 | Wire cable sine wave high frequency spark test circuit and wire cable sine wave high frequency spark test machine |
| CN103197219B (en) * | 2013-04-01 | 2015-11-18 | 东莞市和而泰电子科技有限公司 | A kind of cable sine wave high-frequency spark test circuit and test machine |
| CN106198557A (en) * | 2016-07-01 | 2016-12-07 | 江苏亨通光电股份有限公司 | A kind of nonmetal all dielectric air-blowing micro-cable cable surface detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204287378U (en) | A kind of pick-up unit for train Universal automatic cable | |
| CA2784338A1 (en) | Wiring tester of multifunctional electric energy metering device | |
| CN203204118U (en) | Cable sine wave high frequency spark test circuit and test machine | |
| CN104062603A (en) | Full-power aging test method for current transformer | |
| CN106569108B (en) | A kind of the resistance test system and detection method of interchanger | |
| CN203433090U (en) | Tooling circuit of automatic board-detecting needle bed used for single-phase intelligent electric energy meter | |
| CN202563077U (en) | Detector for electric energy metering apparatus | |
| CN202159854U (en) | Intelligent power-saving socket | |
| CN202929160U (en) | Transformer on-site partial discharge test compensation measuring apparatus | |
| CN103197219B (en) | A kind of cable sine wave high-frequency spark test circuit and test machine | |
| CN102621519A (en) | Tester for electric energy metering device | |
| CN102290686A (en) | Intelligent energy-saving socket | |
| CN203825089U (en) | Remote monitoring device of transformer insulating resistance | |
| CN204163914U (en) | A kind of production uses spark coil small voltage detector | |
| CN104265542A (en) | Production ignition coil small voltage detector | |
| CN214174582U (en) | Distributed detection device for performance of switching power supply | |
| CN204241517U (en) | A kind of efficiency test box | |
| CN102377231B (en) | Switch power supply module | |
| CN204008349U (en) | A kind of circuit Welding quality test device | |
| CN204347203U (en) | Aging circuit test machine | |
| CN203054019U (en) | Circuit board detection probe | |
| CN105510764A (en) | Marine alternating-current socket test method | |
| CN205280870U (en) | LCM is shaded to weld and prevents short circuit detection tool | |
| CN105372555A (en) | Electric power monitoring system having fault position detection function | |
| CN204882846U (en) | High -low pressure electroscope tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |