CN86210136U - Multi-channel timer for computer - Google Patents
Multi-channel timer for computer Download PDFInfo
- Publication number
- CN86210136U CN86210136U CN 86210136 CN86210136U CN86210136U CN 86210136 U CN86210136 U CN 86210136U CN 86210136 CN86210136 CN 86210136 CN 86210136 U CN86210136 U CN 86210136U CN 86210136 U CN86210136 U CN 86210136U
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- CN
- China
- Prior art keywords
- circuit
- computer
- display
- timing
- led
- 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.)
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Abstract
The utility model relates to a multi-channel timer for computer, comprising an instrument shell, a control panel and a computer time-controlling system. The computer time-controlling system comprises a computer body, a displaying driving device, a relay control device and an alarm device. A timer can time more than 20 channels and the maximum time can reach 99 minutes. The utility model can alarm when the time is up, can display the corresponding channel number and can inquiry the timing condition. The utility model has the advantages of simple operation and precise timing and can be applied to the fields where multi channels need to be timed.
Description
The utility model belongs to the technological improvement of time set.
Multipath timing device in the past is a mechanical type mostly, is to constitute the loop by contacting of minute hand and timing contact pin to send and report to the police and realize timing, and its accuracy and poor reliability, the numerous rope of operation, timing time weak point, timing way are few.For addressing the above problem, develop a kind of multichannel computer timer, this timer timing way can reach 20 with, timing maximum time can reach 99 minutes, also has then to report to the police, and shows corresponding road number, at any time inquire about certain timing situation, simple to operate, advantages and the function of controlling other electric switch such as accurate timing are applicable to the every field that needs the timing multichannel time.
Accompanying drawing 1 is a front of the present utility model oblique view, and wherein 1 is keyboard, and 2 is Instrument shell, 3 is timing display, and 4 is alarm lamp, and 5 is power switch, 6 is power light, 7 is alarm, and 8 are the knob that resets, and 9 are supply socket, 10 is fuse holder, 11 is crystal clock, and 21 is control panel, and 22 is the locating and displaying device.
Fig. 2 is the right side view of multichannel computer timer, wherein 12 turns round for sound equipment control, and 13 and 14 is jack.
Fig. 3 is the circuit diagram of basic computer 15.
Fig. 4 is the circuit diagram of display drive apparatus 16.
Fig. 5 is the circuit diagram of relay control device 17.
Fig. 6 is the circuit diagram of warning device 18.
Fig. 7 and Fig. 8 are respectively the power supply diagram of power supply 19 and 20.
Now 1~7 pair of the utility model is that Multi-channel timer for computer is described further by reference to the accompanying drawings. Multi-channel timer for computer comprises Instrument shell (2), control panel (21) and computer timing control system. On control panel (21), be provided with locating and displaying device (22), timing display (3), alarm lamp (4), power switch (5), power supply indicator (6), alarm (7), the knob that resets (8), quartz clock (11). Supply socket (9) and fuse holder (10) are set in a side of Instrument shell (2), sound equipment control are set in the another side turn round (12), jack (13) and (14). Computer timing control system is arranged in the Instrument shell (2), below the control panel (21). This device is by basic computer (15), display drive apparatus (16), relay control device (17), warning device (18) and power supply (19), (20) consist of, Fig. 3~7 are respectively basic computer (15), display drive apparatus (16), relay control device (17), the circuit diagram of warning device (18) and power supply (19), (20).
Basic computer (15) comprises Z80CPU(U
8), ROW2716(U
9), RAM6116(U
10) and integrated circuit U
11, U
12, U
13, U
14, U
15U wherein
8In be provided with by 2/6 U
15, switch S
1, resistance R
4, R
5And capacitor C
1The reset circuit of forming.This reset circuit can finish to computer booting automatically reset and hand by the switch reset function.U
8All be connected into 1 level on last 16,17 and 24 pin.U
9And U
10Be storaging chip, their start address is respectively 0 and 0000H, U
9Deposit the whole service program, and U
10Be program work district, U
8Pin 7~15(except that 11 pin) 8 pieces lines are as the data conveyer line between storer and the CPU.Integrated circuit U
11, U
12And U
13Formation is to the read-write and the decoding logic of external interface.2/6 U
15, resistance R
6, R
7, capacitor C
2, C
3Constitute oscillatory circuit with 4,000,000 crystal oscillators (4MC), for the CPU frequency working pulse, it offer CPU weekly the phase be the clock of 0.5 μ S, the software timing is also calculated according to this basic time, the timing way can reach 10~20 the tunnel, or more.
The display drive apparatus circuit comprises U
1, U
2, U
3, U
4, U
5, U
6, U
7, U
17, display led
1, LED
2, LED
3, LED
4, resistance R
21~R
24, R
25~R
31U
17Be the relay control signal interface, two control level signals are provided by 2,5 bipods.U
316 pin provide alerting signal.R
21~R
24Formed keyboard circuit, U with 16 buttons that are arranged on the control panel
1And U
2And R
25~R
31The section of forming 4 displays latchs, driving circuit, U
6For reading the interface circuit of keyboard state, U
3With U
4, U
5The position that constitutes display drives and reads keyboard circuit.U
7Provide the interface circuit chip selection signal of keyboard demonstration, warning, switch.When needs show, computer CPU will show that by data bus sign indicating number is earlier by U
1Latch, and deliver to U
2, and then open by that (being a certain LED) pairing cathode drive that data bus will show, it is exactly U
4And U
5Four doors, at this moment U
2With U
1The demonstration sign indicating number of sending here provides drive current (" 1 " drives, and " 0 " does not have) by " 0 ", " 1 ".U
2Output receive the light emitting diode anode of light-emitting diode display, the negative electrode driving gate of that LED is open like this, it just demonstrates character.When showing more than 1 LED, CPU just carries out aforesaid operations to them by turns, but each time has only a LED electrified light emitting.
Computing machine is to carry out turning off under the situation of demonstration to reading of keyboard.At this moment, U
4, U
5Output becomes low level entirely, passes through U again
6Read SR
1~SR
4Current potential on these four lines.Do not press if there is key, then equal level"1", if there is a certain key to press, then the current potential on its homologous lines becomes " 0 ".This computer-chronograph is at U
4And U
5Four outputs on respectively reset read, so just the key position of pressing can be found, finish the management that computing machine organically combines the routine analyzer of keyboard and keyboard-display circuit.
Warning device comprises light warning and audible alarm.The light warning circuit is by D
7And R
33Form, the audible alarm circuit is by T
1, T
2, GT
1With the Y(loudspeaker) form.Alerting signal is passed through U by CPU
316 pin provide level"1", light emitting diode D
7Conducting is luminous, GT
1Conducting, the triode conducting is by R
36, C
4And T
1The oscillation circuit of forming carries out self-sustained oscillation, through T
2Amplify the back and promote the loudspeaker warning of sounding.
Relay control.The signal that cut-offs of relay is to pass through U by CPU
17Provide GT
3, T
5, T
6Constituted the driving circuit of a relay, GT
2, T
3, T
4Constitute another group circuit, relay closure signal is " 1 ", is " 0 " at ordinary times.GT
2And GT
3Play the photoelectricity buffer action, to guarantee the operate as normal of computing machine.
Be example with the 14,10 five road timing alarm control procedures below, the course of work of the present utility model is described.At first start, reset circuit produces a negative pulse reset signal, makes cpu reset, and CPU is from ROM2716(U after resetting
9) in No. 0 unit begin to take out instruction and carry out, at first with RAM6116(U
10) the workspace zero clearing, enter the key entry state of waiting for then.Carry out timework simultaneously, when certain road has been set up timing, then begin to read road work, what be not provided with does not carry out timing, has two to key in instruction under non-alarm condition, promptly sets timing and shows time status.And have only clear instruction, each road timing under the alarm condition is to begin after having keyed in road number and time, having clicked enter key at last, is 14 or 10 five the tunnel if pack into, and then corresponding relay also begins with timing and adhesive.Arrive when certain road timing, just provide warning mark, at this moment send alerting signal.One of if 14 or 10 five the tunnel, then its relay disconnects.Also be not eliminated and there is situation then the back for warning road, front, then continue to show the warning road number of front, after elimination, show that road, back number again.
Claims (3)
1, a kind of multichannel computer timer, comprise instrument shell [2], control panel [21] and computer timing control system, it is characterized in that said control panel [21] is provided with locating and displaying device [22], keyboard [1], timing display [3], alarm lamp [4], power switch [5], power light [6], alarm [7], the knob that resets [8], crystal clock [11]; Supply socket [9] and fuse holder [10] are set in a side of said instrument shell [2], sound equipment control knob [12], jack [13] and [14] are set in the another side; Said computer timing control system is arranged in the instrument shell [2], and below the control panel [21], this device is by basic computer [15], display drive apparatus [16], relay control device [17], warning device [18] and power supply [19], [20] formation.
2,, it is characterized in that said basic computer (15) comprises U according to the described multichannel computer timer of claim 1
8, U
9, U
10With integrated circuit U
11, U
12, U
13, U
14, U
15, wherein at U
8In be provided with reset circuit, this circuit is by U
15, S
1, R
4, R
5And C
1Constitute U
8Last 16,17 and 24 pin are connected into 1 level, to the read-write of external interface and decoding logic circuit by U
11, U
12, U
13Constitute, the oscillatory circuit that supplies the CPU working pulse is by U
15, R
6, R
7, C
2, C
3Form with 4,000,000 crystal oscillators (4MC).
3, according to the described multichannel computer timer of claim 1, it is characterized in that said display driver circuit comprises that the section of display latchs, driving circuit, keyboard circuit, the position of display drives and reads keyboard circuit and integrated circuit U
3, U
17, display led
1, LED
2, LED
3, LED
4, wherein four displays the section latch, driving circuit, by U
1, U
2And R
25~R
31Constitute, keyboard circuit is by R
21~R
24Form with 16 buttons that are arranged on the control panel, the position of display drives and reads keyboard circuit by U
3With U
4, U
5Constitute.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 86210136 CN86210136U (en) | 1986-12-04 | 1986-12-04 | Multi-channel timer for computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 86210136 CN86210136U (en) | 1986-12-04 | 1986-12-04 | Multi-channel timer for computer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN86210136U true CN86210136U (en) | 1987-12-23 |
Family
ID=4811882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 86210136 Withdrawn CN86210136U (en) | 1986-12-04 | 1986-12-04 | Multi-channel timer for computer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN86210136U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100517002C (en) * | 2001-11-23 | 2009-07-22 | 鸿富锦精密工业(深圳)有限公司 | Planar display and its function regulating method |
CN107045278A (en) * | 2016-12-26 | 2017-08-15 | 河南思维信息技术有限公司 | A kind of multi channel timing device |
-
1986
- 1986-12-04 CN CN 86210136 patent/CN86210136U/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100517002C (en) * | 2001-11-23 | 2009-07-22 | 鸿富锦精密工业(深圳)有限公司 | Planar display and its function regulating method |
CN107045278A (en) * | 2016-12-26 | 2017-08-15 | 河南思维信息技术有限公司 | A kind of multi channel timing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |