CN205262303U - Self -correcting detects exploder tester of precision - Google Patents
Self -correcting detects exploder tester of precision Download PDFInfo
- Publication number
- CN205262303U CN205262303U CN201521039035.2U CN201521039035U CN205262303U CN 205262303 U CN205262303 U CN 205262303U CN 201521039035 U CN201521039035 U CN 201521039035U CN 205262303 U CN205262303 U CN 205262303U
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- China
- Prior art keywords
- circuit
- exploder
- detonation test
- test circuit
- tester
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- Expired - Fee Related
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a self -correcting detects exploder tester of precision, including instrument benchmark machine, detonation test circuit, coarse adjusting circuit, trimming circuit and display element, detonation test circuit connects instrument benchmark machine, and coarse adjusting circuit and trimming circuit are connected respectively to instrument benchmark machine, shows the display element connection instrument benchmark machine of rectifying fore -and -after electric current momentum and power supply time, instrument benchmark press packed bale is drawn together and is used for detecting the sampling circuit of detonation test circuit medium voltage and is used for carrying out the comparison with sampling circuit's detection voltage with reference voltage, the comparator is connected with the distributor, by the resistance of distributor through controlling resistor among coarse adjusting circuit and the fine setting circuit control detonation test circuit to calibration detonation test circuit's voltage. The utility model discloses the ingenious practicality of structural design has improved the detection precision of exploder tester, and is significant to the normal detonation of exploder.
Description
Technical field
The utility model relates to construction equipment under coal mine, especially a kind of exploder tester of self-correcting accuracy of detection.
Background technology
Exploder tester is an exploder parametric synthesis tester showing in digital form, can measure power-on time, two electric parameters of output punching energy of exploder simultaneously. Exploder tester is with long afterwards, and center meeting drift, occurs measuring inaccurate problem, need to be improved.
Summary of the invention
The purpose of this utility model is: a kind of exploder tester of self-correcting accuracy of detection is provided, solves exploder tester and measure inaccurate problem.
The technical solution of the utility model is: a kind of exploder tester of self-correcting accuracy of detection, comprise instrument reference machine, detonation test circuit, coarse adjustment circuit, trimming circuit and display unit, described detonation test circuit connects instrument reference machine, instrument reference machine connects respectively coarse adjustment circuit and trimming circuit, show that the electric current momentum of correction front and back and the display unit of power-on time are connected instrument reference machine, described instrument reference machine comprises for detection of the sample circuit of voltage in detonation test circuit and the comparator for detection voltage and the reference voltage of sample circuit are compared, described comparator is connected with distributor, by distributor by the resistance of adjustable resistance in coarse adjustment circuit and trimming circuit control detonation test circuit, so that the voltage of calibration detonation test circuit.
Described instrument reference machine also comprises self-checking circuit, connects respectively sample circuit, comparator and distributor.
Compared with prior art, the beneficial effects of the utility model are: on the basis of existing exploder tester, increased instrument reference machine, connect respectively detonation test circuit, coarse adjustment circuit and trimming circuit, for proofreading and correct the reference voltage of detonation test circuit, make electric current momentum and the detonation response time of detonation test circuit reach standard, specifically by the sample circuit in instrument reference machine, comparator and distributor, and proofread and correct by coarse adjustment circuit and trimming circuit, the ingenious practicality of structural design, improve the accuracy of detection of exploder tester, normal detonation to exploder is significant.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structured flowchart of the present utility model. With reference to figure 1, the utility model has designed a kind of exploder tester of self-correcting accuracy of detection, comprises instrument reference machine, detonation test circuit, coarse adjustment circuit, trimming circuit and display unit. Described instrument reference machine connects respectively detonation test circuit, coarse adjustment circuit, trimming circuit and display unit. Electric current momentum and the power-on time of instrument reference machine testing detonation test circuit, by the reference voltage of coarse adjustment circuit and trimming circuit correction detonation test circuit, make electric current momentum and the power-on time of detonation test circuit reach standard. Display unit connects instrument reference machine, is for showing electric current momentum and the power-on time before and after proofreading and correct, facilitating user to understand actual conditions.
Described instrument reference machine comprises sample circuit, comparator and distributor. Described detonation test circuit connects sample circuit, and sample circuit detects electric current momentum and the power-on time of detonation test circuit, electric current momentum and power-on time is processed, then output detections voltage. Comparator connects sample circuit, receives the detection voltage of sample circuit output, compares with the reference voltage of comparator design, calculates error, output error signal. Distributor connects comparator, also connect coarse adjustment circuit and trimming circuit simultaneously, distributor receives the error signal of comparator output, select to adopt the resistance of adjustable resistance in coarse adjustment circuit and/or trimming circuit control detonation test circuit according to error size, proofread and correct the reference voltage of detonation test circuit, when error is large, is combined and proofreaies and correct with trimming circuit with coarse adjustment circuit or coarse adjustment circuit, error hour is proofreaied and correct with trimming circuit.
Described instrument reference machine also comprises self-checking circuit, connects respectively sample circuit, comparator and distributor.
The ingenious practicality of the utility model structural design, has improved the accuracy of detection of exploder tester, significant to the normal detonation of exploder.
Claims (2)
1. the exploder tester of a self-correcting accuracy of detection, it is characterized in that, comprise instrument reference machine, detonation test circuit, coarse adjustment circuit, trimming circuit and display unit, described detonation test circuit connects instrument reference machine, instrument reference machine connects respectively coarse adjustment circuit and trimming circuit, show that the electric current momentum of correction front and back and the display unit of power-on time are connected instrument reference machine, described instrument reference machine comprises for detection of the sample circuit of voltage in detonation test circuit and the comparator for detection voltage and the reference voltage of sample circuit are compared, described comparator is connected with distributor, by distributor by the resistance of adjustable resistance in coarse adjustment circuit and trimming circuit control detonation test circuit, so that the voltage of calibration detonation test circuit.
2. the exploder tester of a kind of self-correcting accuracy of detection according to claim 1, is characterized in that, described instrument reference machine also comprises self-checking circuit, and self-checking circuit connects respectively sample circuit, comparator and distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039035.2U CN205262303U (en) | 2015-12-15 | 2015-12-15 | Self -correcting detects exploder tester of precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039035.2U CN205262303U (en) | 2015-12-15 | 2015-12-15 | Self -correcting detects exploder tester of precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205262303U true CN205262303U (en) | 2016-05-25 |
Family
ID=56003826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039035.2U Expired - Fee Related CN205262303U (en) | 2015-12-15 | 2015-12-15 | Self -correcting detects exploder tester of precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205262303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403110A (en) * | 2015-12-15 | 2016-03-16 | 平顶山宇恒高科电气自动化有限公司 | Exploder tester achieving self-correction of detection precision |
| CN110233620A (en) * | 2019-06-05 | 2019-09-13 | 长沙景美集成电路设计有限公司 | It is a kind of applied to USB from the Self-Tuning Algorithm of equipment clock system |
| CN112858766A (en) * | 2020-07-28 | 2021-05-28 | 深圳市锂鼎科技有限公司 | Mutual-authentication high-safety acquisition circuit and operation method thereof |
-
2015
- 2015-12-15 CN CN201521039035.2U patent/CN205262303U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403110A (en) * | 2015-12-15 | 2016-03-16 | 平顶山宇恒高科电气自动化有限公司 | Exploder tester achieving self-correction of detection precision |
| CN110233620A (en) * | 2019-06-05 | 2019-09-13 | 长沙景美集成电路设计有限公司 | It is a kind of applied to USB from the Self-Tuning Algorithm of equipment clock system |
| CN110233620B (en) * | 2019-06-05 | 2023-09-22 | 长沙景美集成电路设计有限公司 | Self-correction algorithm applied to clock system of USB slave device |
| CN112858766A (en) * | 2020-07-28 | 2021-05-28 | 深圳市锂鼎科技有限公司 | Mutual-authentication high-safety acquisition circuit and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20171215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |