CN201845072U - Portable wide-range detection device for voltage-regulating value of voltage-regulator tube - Google Patents
Portable wide-range detection device for voltage-regulating value of voltage-regulator tube Download PDFInfo
- Publication number
- CN201845072U CN201845072U CN 201020571260 CN201020571260U CN201845072U CN 201845072 U CN201845072 U CN 201845072U CN 201020571260 CN201020571260 CN 201020571260 CN 201020571260 U CN201020571260 U CN 201020571260U CN 201845072 U CN201845072 U CN 201845072U
- Authority
- CN
- China
- Prior art keywords
- current
- limiting resistance
- voltage
- detection device
- voltage stabilizing
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a portable wide-range detection device for a voltage-regulating value of a voltage-regulator tube, which mainly comprises a current-limiting resistor, a switch, a bridge rectifier and a filter capacitor component, and is characterized in that an alternating-current single-phase 1V-220 V power supply is directly connected with two groups of current-limiting resistors with at least six current-limiting resistors connected in series with one another in each group; and the connection mode after the current-limiting resistors are connected is as follows: the tail ends of one group of current-limiting resistors are connected in series with a light-emitting diode (LED) and then connected to a knife switch, the tail ends of the other group of current-limiting resistors are directly connected to the knife switch, an output terminal of the knife switch is connected with an input terminal of the bridge rectifier, the output positive pole of the bridge rectifier is connected in parallel with the positive pole of the capacitor and the current-limiting resistors, other ends of the current-limiting resistors are connected with red output leads to be led out of a PVC box, and the negative pole of the bridge rectifier is connected in parallel with the negative pole of the capacitor and a black output lead to be led out of the PVC box. By matching with a digital multimeter, the portable wide-range detection device can be used for conveniently measuring the voltage-regulating value within 1V-200V, and is small in volume, low in power consumption, and convenient to carry.
Description
Technical field
The utility model relates to a kind of portable wide-range stabilivolt voltage stabilizing value detection device, is specifically related to the stabilivolt voltage stabilizing value detection device of a kind of boxlike, civil power input, wide-range scope, belongs to the electrical instrument technical field.
Background technology
Stabilivolt is an electronic component commonly used in the electronic circuit, and its nominal voltage stabilizing value has in a big way, lies prostrate between several hectovolts from several, many because of manufacturer, it is fast to update, and the model identification of stabilivolt often is difficult to identification, some in addition do not have sign, therefore the person often is difficult for confirming its voltage stabilizing value to use the element; Some stabilivolt is identical because of model, but the discreteness of voltage stabilizing value, cause the voltage stabilizing value to have than large deviation, owing to do not have special wide-range scope on the market, portable type measuring voltage stabilizing value device is sold, detection and demarcation for the voltage stabilizing value are to be finished by the large-scale experiment instrument of manufacturer mostly, and on-the-spot use and maintainer come, be necessary its voltage stabilizing value of field-checking, China's utility model patent " stabilivolt voltage stabilizing value detector " (grant number: CN2608996Y, the day for announcing: 2004-03-31) disclosed is portable stabilivolt voltage stabilizing value tester, by electrochemical capacitor, step-up transformer, magnetic sheet electric capacity, triode, circuit board that resistance etc. are formed and terminal inserted hole are formed, the maintenance personal is easy to use, but this patent does not relate to detectable actual voltage stabilizing value and measuring accuracy scope, but does not have the function and the statement of direct-reading voltage stabilizing value yet.
A kind of invention of portable wide-range voltage stabilizing value detection device necessitates, this device can be under digital multimeter cooperates, conveniently measure and several 200V of lying prostrate between the voltage stabilizing value, cooperate even without digital multimeter, also can judge the voltage stabilizing value of stabilivolt from light-emitting diode luminance, and volume is little, little power consumption (＜1W), measure not only fast but also accurate, be easy to carry, can address the above problem.
Summary of the invention
The utility model purpose provides a kind of accurate pick-up unit of stabilivolt voltage stabilizing value of wide weight range, this device can directly be used～220V civil power do input power supply, do not need electric spacer assembly, the good insulation performance performance is arranged, and is the metal material except that the crocodile clip top reaches the connection terminal top that joins with multimeter, and other place does not all have metal material to expose, during use, hand not contacting metal partly gets final product, and does not use battery, element few, low in energy consumption, thereby energy-conserving and environment-protective.And safety easy to use, structure is small and exquisite, be suitable for long-time detection, be easy to carry, have the place of civil power all can use any.
The technical solution of the utility model is: portable wide-range stabilivolt voltage stabilizing value detection device, mainly comprise current-limiting resistance, switch, rectifier bridge heap, filter capacitor components and parts, it is characterized in that: exchange single-phase～220V power supply and directly be connected with the current-limiting resistance of two groups of each at least 6 series connection; Connected mode after the current-limiting resistance is: wherein the end of one group of current-limiting resistance is connected to knife-like switch again with after light emitting diode is connected, the terminal direct connection of another group current-limiting resistance is to knife-like switch, the output terminal of knife-like switch links to each other with the input end of rectifier bridge, the rectifier bridge output cathode also is connected to capacitor anode and current-limiting resistance, the red output lead of another termination of this current-limiting resistance is to the PVC box, the rectifier bridge negative pole and connect capacitor anode and the black output lead to the PVC box, its beneficial effect is: red-black two lead-in wires of output can link with tested stabilivolt both positive and negative polarity by connecing reddish black crocodile clip thereon.
Aforesaid portable wide-range stabilivolt voltage stabilizing value detection device, it is characterized in that: on the extension line leading point of the interior red-black two band crocodile clips of described PVC box, also and be connected to red-black two extension lines that can link with digital multimeter, read tested stabilivolt voltage stabilizing value when helping detecting easily.
Aforesaid portable wide-range stabilivolt voltage stabilizing value detection device, it is characterized in that: also can be installed on the PVC box with a digital voltmeter gauge outfit, described gauge outfit positive-negative input end is attempted by on the leading point of red-black two band crocodile clip extension lines, and its beneficial effect is: can measure more easily and show tested stabilivolt voltage stabilizing value.
The beneficial effects of the utility model are: utilize this device to make things convenient for and measure stabilivolt voltage stabilizing value fast, need not to contrast the wiring diagram test, need not on-line testing, but batch testing, test fast, and accuracy is up to 1%.Test specification is wide, and the voltage stabilizing value all can be tested at the stabilivolt of 1～200V.Without powered battery, environmental protection.Do not adopt the isolating transformer power supply that volume is big, weight is heavier, power consumption is easy to carry less than 1W, application overlay electronic engineering all spectra.
Principle of work of the present utility model is: utilize rectifier bridge and filter capacitor that AC rectification is direct current; when stabilivolt is attempted by between the direct current both positive and negative polarity; stabilivolt both end voltage value is its actual voltage stabilizing value; since current-limiting resistance embedding system the conducting electric current by tested stabilivolt, protect stabilivolt can not burn out by overcurrent.
Description of drawings
Accompanying drawing 1 is the utility model embodiment circuit theory diagrams;
Accompanying drawing 2 is the utility model embodiment printed-wiring board (PWB) arrangements of elements figure;
Accompanying drawing 3 is the utility model embodiment component placement figure.
Embodiment
As shown in Figure 1, be the utility model embodiment circuit theory diagrams, wherein, R1～R12-current-limiting resistance, totally 12, divide two groups of series connection, its resistance is 4.7k Ω/0.25w * 12; R13-current-limiting resistance, its resistance value are 10k Ω/0.25w, K1a, K1b-dpdt double-pole double-throw (DPDT) power switch, D1-light emitting diode, the D2-rectifier bridge, its value is 250V/1.5A, C1-electrochemical capacitor, its capacity is 20uF/400V, Dx-stabilivolt to be measured, DM-digital multimeter.
The 220V electric main is through current limliting (R1～R6, R7～R12), rectifier bridge D2, behind the filtering C1, obtain the DC voltage about 250V on the electrochemical capacitor C1, because the current limliting all-in resistance is 56.4K Ω in the loop, the maximum current that this electric capacity can provide is 4.4mA, situation when this moment, corresponding stabilivolt Dx voltage stabilizing value to be measured was low, its minimum current is about 1mA, the situation of corresponding stabilivolt voltage stabilizing value to be measured during near 200V, because stabilivolt Dx is the energy steady operation more than 1mA, and the Dx two ends link to each other with digital multimeter DM by connection terminal, and therefore, the reading of multimeter promptly is a voltage stabilizing value to be measured.
The electric current that stabilivolt is flowed through is identical with led current, and when the voltage stabilizing value was hanged down, electric current was big, the brightness height, on the contrary then dark, therefore,, from brightness, can judge voltage stabilizing value size even without digital multimeter, bright more voltage stabilizing value is low more.
Claims (3)
1. portable wide-range stabilivolt voltage stabilizing value detection device mainly comprises current-limiting resistance, switch, rectifier bridge heap, filter capacitor components and parts, it is characterized in that: exchange single-phase～220V power supply and directly be connected with the current-limiting resistance of two groups of each at least 6 series connection; Connected mode after the current-limiting resistance is: wherein the end of one group of current-limiting resistance is connected to knife-like switch again with after light emitting diode is connected, the terminal direct connection of another group current-limiting resistance is to knife-like switch, the output terminal of knife-like switch links to each other with the input end of rectifier bridge, the rectifier bridge output cathode also is connected to capacitor anode and current-limiting resistance, the red output lead of another termination of this current-limiting resistance to the PVC box, the rectifier bridge negative pole and connect capacitor anode and the black output lead to the PVC box.
2. portable wide-range stabilivolt voltage stabilizing value detection device as claimed in claim 1 is characterized in that: in the described PVC box on the extension line leading point of red-black two band crocodile clips, also and be connected to red-black two extension lines that can link with digital multimeter.
3. portable wide-range stabilivolt voltage stabilizing value detection device as claimed in claim 1, it is characterized in that: also can be installed on the PVC box with a digital voltmeter gauge outfit, described gauge outfit positive-negative input end is attempted by on the leading point of red-black two band crocodile clip extension lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020571260 CN201845072U (en) | 2010-10-20 | 2010-10-20 | Portable wide-range detection device for voltage-regulating value of voltage-regulator tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020571260 CN201845072U (en) | 2010-10-20 | 2010-10-20 | Portable wide-range detection device for voltage-regulating value of voltage-regulator tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845072U true CN201845072U (en) | 2011-05-25 |
Family
ID=44039959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020571260 Expired - Fee Related CN201845072U (en) | 2010-10-20 | 2010-10-20 | Portable wide-range detection device for voltage-regulating value of voltage-regulator tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201845072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608407A (en) * | 2012-03-26 | 2012-07-25 | 黄勇 | Device for detecting stabilizing voltage value of voltage stabilizing diode |
| CN106550507A (en) * | 2016-11-03 | 2017-03-29 | 中山市荣亮照明有限公司 | LED lighting down lamp |
-
2010
- 2010-10-20 CN CN 201020571260 patent/CN201845072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608407A (en) * | 2012-03-26 | 2012-07-25 | 黄勇 | Device for detecting stabilizing voltage value of voltage stabilizing diode |
| CN106550507A (en) * | 2016-11-03 | 2017-03-29 | 中山市荣亮照明有限公司 | LED lighting down lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108562860A (en) | Electric energy meter two-way accessory power supply power consumption Auto-Test System and test method | |
| CN201845072U (en) | Portable wide-range detection device for voltage-regulating value of voltage-regulator tube | |
| CN203775050U (en) | Adjustable DC regulated power supply with Zener diode test function | |
| CN219016553U (en) | Three-phase misconnection prevention detection circuit and air conditioner | |
| CN201955454U (en) | Test device for electric performance of battery pack | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN203630312U (en) | Direct current motor armature fault detection device | |
| CN204203445U (en) | Measuring equipment rolling inspection device | |
| CN211785879U (en) | Low-power-consumption universal on-off tester | |
| CN206710567U (en) | Portable multi-function lithium battery group detection case | |
| CN204439819U (en) | AC type lightning arrester on-Line Monitor Device detector | |
| CN104181370A (en) | Load current detection circuit and detection device | |
| CN2304130Y (en) | D. C. resistance detecting instrument | |
| CN207798930U (en) | Wireless DC electricity tester | |
| CN102608407A (en) | Device for detecting stabilizing voltage value of voltage stabilizing diode | |
| CN207516486U (en) | A kind of device for reducing the secondary cable core verification time | |
| CN201965173U (en) | Simple electronic measuring device | |
| CN104820202A (en) | Electric energy meter testing device | |
| CN209117812U (en) | A kind of turn on thyristors test circuit | |
| CN203630297U (en) | Simple silicon controlled rectifier detection board | |
| CN202049230U (en) | High-voltage load box | |
| CN204731340U (en) | A kind of portable Intelligent terminal for Internet of things equipment failure intelligent detecting instrument | |
| CN220795302U (en) | Motor winding coil on-off detection device | |
| CN204649824U (en) | A kind of Iddq testing table | |
| CN202141783U (en) | Automatic puncture tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20111020 |