CN205263219U

CN205263219U - Multichannel relay matrix appearance

Info

Publication number: CN205263219U
Application number: CN201521125615.3U
Authority: CN
Inventors: 赵建
Original assignee: Finero Technology Co ltd
Current assignee: Finero Technology Co ltd
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2016-05-25
Anticipated expiration: 2025-12-31

Abstract

The utility model provides a safe and reliable, the multichannel relay matrix appearance that the expansion is convenient, the practicality is strong. The utility model discloses a power module, led display module, communication module, relay matrix module and communication interface board, communication module includes that 4 take advantage of in 8 digital output ports, digital input port and analog input port. The utility model is suitable for a high pressure test field.

Description

A kind of multichannel relay matrix instrument

Technical field

The utility model relates to high voltage test field, relates in particular to a kind of multichannel relay matrix instrument.

Background technology

Test in current voltage characteristic and the electrical characteristic to various electronic devices, measure and seem very important. In high voltage test project, there will be the situation that need to test a lot of test points, and be all single pass at the current most of high voltage testing devices of instrument on the market, this tests multiple test points for needs, can increase cost and greatly reduce efficiency, thereby having reduced practicality. Single pass high voltage testing device is difficult to meet the test to multiple test points, if need to test hundreds and thousands of test points time, just need to go to realize by peripheral circuit the expansion of this equipment, the more test point of aptitude test, goes to realize Hi-pot test meeting so this by peripheral circuit and has security, reliability, expansion, defect above application.

Utility model content

To be solved in the utility modelly ask that carrying is to overcome the deficiencies in the prior art, provide a kind of safe and reliable, expand convenient, practical multichannel relay matrix instrument.

The technical solution of the utility model is: a kind of multichannel relay matrix instrument, it comprises power module, led display module, communication module, relay matrix module, communication interface plate, described power module and described communication module, led display module, relay matrix module, communication interface plate is connected, after described power module input 220V alternating current, producing 24V dc source powers to modules, described communication module connects described led display module, relay matrix module, communication interface plate, described relay matrix module is connected with communication board by 485 buses again, relay matrix module is connected with led display module by universal serial bus, described communication module comprises that 4 take advantage of in 8 bit digital output ports, digital input port and analog input port, the signal of communication module output removes control relay matrix module, relay matrix module is switched different passages and in real time information is presented at above led display module.

Described relay matrix module comprises many group relaies box and high-voltage relay plate, described high-voltage relay plate comprises single-chip microcomputer and multiple integrated chip and peripheral circuit, and the signal that described single-chip microcomputer receives described communication module goes the switching of control relay and the demonstration of described led display module.

The beneficial effects of the utility model are: due to the utility model, it comprises power module, led display module, communication module, relay matrix module, communication interface plate, described power module and described communication module, led display module, relay matrix module, communication interface plate is connected, after described power module input 220V alternating current, producing 24V dc source powers to modules, described communication module connects described led display module, relay matrix module, communication interface plate, described relay matrix module is connected with communication board by 485 buses again, relay matrix module is connected with led display module by universal serial bus, described communication module comprises that 4 take advantage of in 8 bit digital output ports, digital input port and analog input port, the signal of communication module output removes control relay matrix module, relay matrix module is switched different passages and in real time information is presented at above led display module. described relay matrix module comprises many group relaies box and high-voltage relay plate, described high-voltage relay plate comprises single-chip microcomputer and multiple integrated chip and peripheral circuit, and the signal that described single-chip microcomputer receives described communication module goes the switching of control relay and the demonstration of described led display module. so the utility model be a kind of safe and reliable, expand convenient, practical multichannel relay matrix instrument.

Brief description of the drawings

Fig. 1 is the utility model integrated circuit structure block diagram;

Fig. 2 is high-voltage relay plate circuit diagram of the present utility model.

Detailed description of the invention

As Fig. 1, shown in Fig. 2, the utility model comprises power module 1, led display module 2, communication module 3, relay matrix module 4, communication interface plate 5, described power module 2 and described communication module 3, led display module 2, relay matrix module 4, communication interface plate 5 is connected, and described power module 2 is inputted and produced 24V dc source after 220V alternating current and power to modules, and described communication module 4 connects described led display module 3, relay matrix module 4, communication interface plate 5, described relay matrix module 4 is connected with described communication interface plate 5 by 485 buses again, and described relay matrix module 4 is connected with described led display module 2 by universal serial bus, and described communication module 3 comprises that 4 take advantage of in 8 bit digital output ports 3, digital input port 32 and analog input port 33, the signal that described communication module 3 is exported goes to control described relay matrix module 4, and described relay matrix module 4 is switched different passages and in real time information is presented at above described led display module 3.

Described relay matrix module 4 comprises many group relaies box and high-voltage relay plate, described high-voltage relay plate comprises single-chip microcomputer and multiple integrated chip and peripheral circuit, and the signal that described single-chip microcomputer receives described communication module 3 goes the switching of control relay and the demonstration of described led display module 2.

In the present embodiment, DC/DC converter can adopt unidirectional or two-way changing according to the difference of control mode. sample circuit is to described several super capacitors C1, C2, C3, each electric capacity to Cn samples, calculate, relatively, instruction control unit is controlled DC/DC converter, as described each super capacitor C1, C2, C3, to certain or certain the several voltage in Cn during lower than lower limit value, DC/DC converter monotonic transformation, charge to low-voltage capacitance, described lower limit value is: each super capacitor average voltage level deducts reasonable value (0.05v---0.5v) is set, as described each super capacitor C1, C2, C3, to certain or certain the several voltage in Cn during higher than upper limit value, described DC/DC converter discharges to these super capacitors with two-way changing form, described upper limit value is: each super capacitor average voltage level adds reasonable value (0.05v---0.5v) is set, under two-way changing form, described DC/DC converter can carry out above-mentioned charging and discharging operation simultaneously, realize the energy of any energy electric capacity more than needed in electric capacity to harmless transfer that be close to of energy shortcoming electric capacity. while adopting two-way changing, control high-voltage capacitance electric discharge, low-voltage capacitance charging. in sample circuit and controller, choosing reasonable coefficient according to the characteristic of super capacitor is set-point, after sample circuit, difference channel, controller computing, controls accurately.

Advantage of the present utility model:

1. this multichannel relay matrix instrument is safe; this instrument relay is to choose high voltage bearing relay; to bear higher high pressure; so in high voltage testing device work; the safety that it can ensure the security of this instrument and can protect user; and this instrument passed through the Hi-pot test instrument checking of CE certification, so instrument is safe. Multichannel relay matrix instrument is mainly used in above Hi-pot test, and in the time of Hi-pot test, can be Hi-pot test provides multiple passages and meet the test to multiple test points. And this multichannel relay matrix instrument can bear high pressure, so can high pressure be carried out multichannel switching and realized the test of multiple test points. And this equipment is by burn-in test, and this device security is stable.

2. multichannel relay matrix instrument application of the present invention is strong, this instrument internal wiring can be carried out wiring according to actual situation, the installation of relay and line are to determine according to client's concrete condition demand, this has improved the practicality above tester widely, can go to realize its function according to actual conditions neatly.

3. multichannel relay matrix instrument expansibility of the present invention is high, can constantly remove the multiple relay matrix instrument of cascade, thereby constantly removes to increase the passage of relay, thereby goes to improve the measurement quantity to test point largelyr.

4. multichannel relay matrix instrument of the present invention is flexible and changeable, can arbitrarily change communication interface plate according to client. This relay matrix instrument can be changed communication interface plate according to customer demand, can change serial communication plate, network interface communication board, gpib interface communication board, USB interface communication board, therefore this relay matrix instrument can convert communication board according to actual conditions, so can be applied to the equipment on different communication modes.

Multichannel relay matrix instrument is mainly used in above Hi-pot test, and in the time of Hi-pot test, can be Hi-pot test provides multiple passages to meet the test to multiple test points. And this multichannel relay matrix instrument can bear high pressure, so can carry out multichannel switching to high pressure, realizes the test of multiple test points. The box of a relay can hold the plate of 4 high-voltage relays, and on each plate, there are 8 relays, when main control chip output signal bits of serial data is given 4094 chip 2 pin, and be accompanied by 3 pin rising clock edges, Q1 ~ Q8 parallel output, then Q1 ~ Q8 is by the break-make of 2803 driving relays. Every 32 outputs have the indicator lamp of oneself, provide multichannel indicator lamp person easy to use in the middle of Hi-pot test, to check which passage is opened. MAX7219 adopts serial line interface, in its 1 pin serial data input, is then latched in numeral or control register in the rising edge data of 12 pin LOAD. LOAD must on the 16th clock, fall along or afterwards, the data of DIN end are by shift register transmission, and after 16.5 clock cycle, appears at DOUT end, with the trailing edge output of CLK. Then SEGA ~ SEGP exports response levels, and which group lamp is DIG0 ~ DIG4 output low level could drive bright.

The utility model can be realized the control to this equipment by software, can realize a long-range control by interface, has greatly improved operating efficiency. The utility model can effectivelyly make the test of high voltage testing device to multiple test points, and can effectively protect user's safety, and has expansibility, thereby helps high voltage testing device to export exactly the voltage that needs test.

The utility model is applicable to Hi-pot test field.

Claims

1. a multichannel relay matrix instrument, it is characterized in that: it comprises power module (1), led display module (2), communication module (3), relay matrix module (4), communication interface plate (5), described power module (1) and described communication module (3), described led display module (2), described relay matrix module (4), described communication interface plate (5) is connected, after described power module (1) input 220V alternating current, producing 24V dc source powers to modules, described communication module (3) connects described led display module (2), described relay matrix module (4), described communication interface plate (5), described relay matrix module (4) is connected with described communication interface plate (5) by 485 buses again, described relay matrix module (4) is connected with described led display module (2) by universal serial bus, described communication module (3) comprises that 4 take advantage of in 8 bit digital output ports (31), digital input port (32) and analog input port (33), the signal of described communication module (3) output goes to control described relay matrix module (4), described relay matrix module (4) is switched different passages and information is presented to described led display module (2) above in real time.

2. a kind of multichannel relay matrix instrument according to claim 1, it is characterized in that: described relay matrix module (4) comprises many group relaies box and high-voltage relay plate, described high-voltage relay plate comprises single-chip microcomputer and multiple integrated chip and peripheral circuit, and the signal that described single-chip microcomputer receives described communication module (3) goes the switching of control relay and the demonstration of described led display module (2).