Summary of the invention
The purpose of the utility model is the deficiency to prior art, the detonator delay time test that a kind of volume is little, low in energy consumption, cost performance is high, easy to maintenance appearance is provided, and can realizes the calculation display of miscellaneous function calculated value, particular value.
For accomplishing above-mentioned purpose; The technical scheme that the utility model adopts is: a kind of detonator delay time test appearance; By power circuit; And the detonator delay time test circuit that is connected with power circuit output end, blow out on-off circuit, single chip circuit, communicating circuit, display output circuit and form, the said on-off circuit output of blowing out connects single chip circuit, and said single chip circuit is connected with the detonator delay time test circuit is two-way; Said single chip circuit is connected with telecommunication circuit is two-way, and the output of telecommunication circuit connects display output circuit.
Operation principle: the working power that complete machine is provided by power circuit; Give skip signal of single chip circuit by blowing out circuit during work; Single chip circuit goes interfering signal to handle after receiving skip signal; By single chip circuit output low level signal controlling detonator delay time test circuit (being the time started of detonator conducting high level), receive the end signal (being the signal of pressure sensor) of detonator delay time test circuit by single chip circuit.Carry out the A/D conversion to the analog signal that receives then, data and storage realize that by single chip circuit control telecommunication circuit display output circuit shows output.
The beneficial effect of the utility model: by single chip circuit control, mostly required device is surface mount elements, and volume is little, and is low in energy consumption, and the instrument overall volume of being produced is small and exquisite; Realized intelligent control by single chip circuit, design cost is low, and cost performance is high, makes easy to maintenance; Can realize the calculation display of miscellaneous function calculated value, particular value.
The specific embodiment
Like Fig. 1,2,3, shown in 4; A kind of detonator delay time test appearance; By power circuit, and the detonator delay time test circuit that is connected with power circuit output end, blow out on-off circuit, single chip circuit, communicating circuit, display output circuit and form, the said on-off circuit output of blowing out connects single chip circuit; Said single chip circuit is connected with the detonator delay time test circuit is two-way; Said single chip circuit is connected with telecommunication circuit is two-way, and the output of telecommunication circuit connects display output circuit, and the working power of complete machine is provided by power circuit.
The said on-off circuit of blowing out is made up of often open button SW1, capacitor C 1 and the resistance R 8 of not locking, and it is parallelly connected with capacitor C 1 often to open button SW1, the node one end ground connection after the parallel connection, a terminating resistor R8, resistance R 8 another termination+3V.
Said detonator delay time test circuit comprises: rectifier bridge, filter capacitor C2 that D1, D2, D3, D4 bridge joint are formed, FET M1, M2, the L1A of operational amplifier L1; Operational amplifier U2A, U2B; D/A chip U6, the U3A of reverse buffer U3, U3F, U3E, U3D, photoelectrical coupler G1, G2; Resistance R 0, R4-R7, R11-R16, R18, R34, R40-R43, R50-R54, R56, LG; Capacitor C 10-C13, C21, LED light, diode D9, sensor CGQ, photoelectric tube GDG form;
The rectifier bridge of being made up of external transformer, D1, D2, D3, D4 bridge joint adds filter capacitor C2 and forms high-tension circuit;
When pinning when blowing out switch, single-chip microcomputer receives one the high level saltus step is arranged is low level signal and handles, and single-chip microcomputer P6.6 pin output low level TD picks up counting simultaneously; TD becomes high level through the U3A not gate; Obtain low level TDKZ through optocoupler G1, not conducting of M2, KZ is a high level; FET M1 conducting, high voltage is through LG detonator ground connection; DIN, SCLK, CX1 are respectively the output signal of single-chip microcomputer P6.5, P6.6, P6.3 pin, DIN; SCLK, CX1 signal convert signal DIN1, SCLK1 into through not gate U3F, U3E, U3D and photoelectrical coupler respectively; CX11 connects with 1,2,3 pins of D/A chip U6 respectively; Single-chip microcomputer is through control DIN, and SCLK, CX1 signal realize controlling the output OUTA of D/A chip U6, promptly by the time of Single-chip Controlling output safety initiation current with the output of control electric current; The effect of photoelectrical coupler G1, G2 is that single-chip microcomputer and high pressure are isolated;
In order to detect the quality of M1, can be through observing LED light, when not blowing out, LED light is bright, and 2, the 3 pin conductings of M1 are described, and M1 is bad, has played the effect of holding circuit like this;
By U2A, the U2B of operational amplifier, resistance R 4, R5, R6, R7, R54, capacitor C 10, diode D9, sensor CGQ, photoelectric tube GDG forms signal receiving circuit; Sensor CGQSR signal inputs to single-chip microcomputer pin P1.0 through being adjusted to more satisfactory waveform JSXH, and its sensitivity can be regulated through the resistance of resistance R 54.
Said communicating circuit adopts the direct communication modes of interface.
Single chip circuit carries out the A/D conversion to the analog signal that receives, and data and storage realize that by single chip circuit control telecommunication circuit display output circuit shows output.
The equipment that described display output circuit comprises transmission circuit and is used to show output, the equipment of said demonstration output comprises display, printer etc.