CN2173398Y - Electronic vacuum tester and high-frequency counterchange step-up transformer - Google Patents
Electronic vacuum tester and high-frequency counterchange step-up transformer Download PDFInfo
- Publication number
- CN2173398Y CN2173398Y CN 93223472 CN93223472U CN2173398Y CN 2173398 Y CN2173398 Y CN 2173398Y CN 93223472 CN93223472 CN 93223472 CN 93223472 U CN93223472 U CN 93223472U CN 2173398 Y CN2173398 Y CN 2173398Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- stepup transformer
- frequency inversion
- inverter circuit
- frequency
- 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
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Abstract
The utility model relates to an electronic vacuum measuring instrument and special high-frequency inverted booster, which comprises an electronic switch unit, a rectifier, a triggering circuit, an inverted circuit, a high-frequency inverted booster T (3), a discharge spring (1) and a housing (7). The utility model has the principle that triggering signals generated by the triggering circuit switch on the inverted circuit, and namely, the secondary coil of the high-frequency inverted booster T (3) senses a 220KV high voltage which is provided for the discharge spring (1). The utility model has the advantages of small size, light weight and convenient use, and the utility model can be matched with electronic equipment to achieve automatic testing.
Description
The utility model relates to a kind of electronic vacuum tester and special-purpose high-frequency inversion stepup transformer, particularly a kind of bleed electronic device of goods vacuum tightness test of glass such as bulb, electron tube, kinescope, laser tube, medicinal peace bottle that is used for.
" WY-2 " type of widespread use and " A " type high-frequency spark vacuum tester in the prior art, all be by transformer and transmitter two partly splits be used in combination.Its principle is: the 220V AC power boosts to 2500V～3000V through core-type transformer, the input transmitter carries out spark discharge between transmitter the two poles of the earth, produce high-frequency current, boost through resonant circuit and high frequency stepup transformer again, at the most advanced and sophisticated high-voltage spark that produces of discharge spring.New " WY-3 " type of releasing and " B " type vacuum tester on the market, though it is transformer and transmitter two parts is integrated, but its principle and former tester basically identical, its common drawback is: body is stupid, amount is heavy, big energy-consuming, and instrument itself can not be realized test automatically with production equipment.
The purpose of this utility model is to provide a kind of: volume is little, in light weight, easy to use, can realize automatic incorporate electronic vacuum tester and the special-purpose high-frequency inversion stepup transformer of testing with electric product equipment.
The utility model is realized by following scheme: high-frequency inversion stepup transformer T(3) be stuck in the top recess of shell (7) by base mounting groove (19), insulation mother sieve (12) is fixed on high-frequency inversion stepup transformer T(3) center, top, emission spring (1) insert insulation mother sieve (12) and with high-frequency inversion stepup transformer T(3) output terminal be electrically connected.Electric component partly is loaded in the shell (7), and electric component partly comprises: electronic switch unit, rectifier, trigger circuit, inverter circuit, high-frequency inversion stepup transformer and discharge spring.Wherein the input end of electronic switch unit is electrically connected with external power supply.
---electronic switch unit be between Ic555 time base circuit 2,6 and 7 pin turn-on time constant circuit, constitute multivibrator, 3 ends of Ic555 link to each other with bidirectional triode thyristor SCR control utmost point G, bidirectional triode thyristor SCR is series at by D
6～D
9One end of the rectifier input end of forming.
---by D
6～D
9Form full wave rectifier, the output terminal of rectifier is connected with inverter circuit with trigger circuit respectively.Be connected to gauge tap controllable silicon KK in the inverter circuit, the control utmost point G of the gauge tap controllable silicon KK of the output terminal of trigger circuit and inverter circuit joins, and high-frequency inversion stepup transformer T(3) by its elementary winding L
1Seal in the inverter circuit, and with the capacitor C of inverter circuit
8Constitute resonant tank together, high-frequency inversion stepup transformer T(3) secondary L
2Be electrically connected with discharge spring (1).
---the structure of high-frequency inversion stepup transformer is: coil rack (18) is packed in the shell (14), the front end that hollow sieve bolt (23) passes shell (14) screws in the center pit (15) of coil rack (18) front end, and insulation mother sieve (12) is threaded onto on hollow sieve bolt (23).Be carved with annular groove (17) on the outer peripheral face of coil rack (18), winding L
1With L
2The series connection back is on annular groove (17), the oblique annular groove (17) that is cut in of valley (16) is as crossed beam trunking, the center pit (21) of coil rack (18) high-frequency inversion stepup transformer T(3) the yi word pattern ferrite bar (22) of packing into, magnetic circuit is an open loop shape, winding connects and is autocoupling type.
The utility model has the advantages that: volume is little, in light weight, and is easy to use.And have conversion efficiency height, a low noise advantages.
Below in conjunction with accompanying drawing the utility model is further described.
Figure one is the utility model outside drawing
Figure two is the utility model electrical schematic diagrams
Figure three is the utility model sectional views
Figure four is high-frequency inversion stepup transformer synoptic diagram
Shown in figure three, high-frequency inversion stepup transformer T(3) annular mounting groove (19) by its base is stuck in rectangular parallelepiped shell (7) top indent, insulation mother sieve (12) is fixed on high-frequency inversion stepup transformer T(3) center, top, discharge spring (1) insert among insulation mother sieve (12) and with high-frequency inversion stepup transformer T(3) output terminal be electrically connected high-frequency inversion stepup transformer T(3) two binding posts (20) of annular base (9) be a, b contact in the circuit among Fig. 2.Electric component partly is loaded on the interior printed circuit board (PCB) (11) of shell (7), two switches (2), (4) are housed on the panel of shell (7), and light emitting diode (5), (13) are housed respectively on the panel of switch (2), (4), and potentiometer (6) is W
2, its lower end partly is connected with electric component, and its handle passes printed circuit board (PCB) (11), and on the panel of the shell that extends (7), power interface (9) is stuck in shell (7) lower ending opening place.Electric component partly comprises: electronic switch unit, rectifier, trigger circuit, inverter circuit, high-frequency inversion stepup transformer T(3) and discharge spring (1).
The 220V AC power is inserted by interface (8), and wherein phase line is connected to operating switch K through fuse RD
24 ends, zero line is connected in functional switch K
11 end, the power supply indication LED
1With diode D
1And resistance R
1Be parallel to both ends of power after the series connection.
Electronic switch unit is: capacitor C
1With resistance R
2Compose in parallel reduction voltage circuit, D
2, D
3Form voltage multiplying rectifier and be connected in after the reduction voltage circuit capacitor C
2With stabilivolt WY
1Be parallel to the direct supply two ends after rectification, by " D
4, W
1", " R
4, D
5" in parallel again after the series connection respectively, go up and R
3, following and W
2, C
3Series connection formation time constant circuit is connected in the direct supply two ends after rectification, and 4,8 pin of Ic555 connect positive source, 1 pin ground connection, and 2,6 pin are with being connected to C
3Positive pole, 7 pin are connected to R
3With R
4, D
4Tie point.5 pin are through C
4Ground connection, 3 pin are output terminal and through R
5, LED
2Be connected in bidirectional triode thyristor SCR control utmost point G, R
6Be parallel to LED
2Two ends, the T of bidirectional triode thyristor SCR
1, T
2The two poles of the earth are connected in functional switch K respectively
14,2 nodes, K
1Node 1 be connected K with the zero line of 220V AC power
13,5 nodes be connected in operating switch K jointly
2On the node 1, K
2Node 4 be connected K with the phase line of 220V AC power
22,5 nodes with by D
6～D
9The input end of the bridge rectifier circuit that constitutes joins.In this circuit, functional switch K
1Be used for selecting manual and automatic control working method, work as K
1Electronic switch unit is not worked when the manually controlled work state, works as K
1When the automatic control duty, by the automatic Control work of the electronic switch unit time.W
1Be used to transfer dutycycle, W
2Be used to reconcile the electronic switch frequency.
Inverter circuit and trigger circuit are: C
5Be connected in parallel on D
6～D
9The output terminal of the rectifier that constitutes, D
10, D
11With inductance L, C
8And the elementary winding L of high-frequency inversion stepup transformer
1The series connection back also is connected in C
5Two ends.At D
10Negative pole and C
5Negative pole between, insert trigger circuit, trigger circuit comprise R
7, W
3, C
6, C
7With CTS and WY
2, resistance R wherein
7, W
3Be in series capacitor C
6, C
7Be in parallel and insert W again
3Back makeup time constant circuit, two-way trigger tube CTS and stabilivolt WY
2Be connected in parallel on C after the series connection again
6, C
7Two ends, and CTS and WY
2The G end of tie point and the gauge tap controllable silicon KK of inverter circuit link to each other, inverter circuit comprises controllable silicon KK, D
12, C
8, and the elementary winding L of high-frequency inversion stepup transformer
1, wherein, the A of controllable silicon KK, K two ends and the contrary diode D that leads
12Negative, positive extremely parallel connection again with capacitor C
8, inductance L
1The series connection back forms resonant tank, the secondary L of high-frequency inversion stepup transformer
2Output terminal with the discharge spring (1) be electrically connected.
The principle of work of above-mentioned trigger circuit and inverter circuit is: by operating switch K
2The 220V alternating current sent here of 2,5 ends, after rectification at C
5On set up DC voltage about 300V, the 300V power supply is through D
10, D
11, L is to capacitor C
8Charging is when trigger pulse arrives C
8Through controllable silicon KK and high-frequency inversion stepup transformer T(3) L
1Discharge, the underdamping series resonance is swung electric current to C
8Reverse charge, the reverse charge lotus is again through D
12Discharge forms sinusoidal vibration of a week, and at high-frequency inversion stepup transformer T(3) L
2High-voltage pulse about last generation 220KV is through L
2Section C point is given discharge spring (1).The principle of trigger circuit is: the 330V direct supply is through D
10, R
7, W
3, to C
6, C
7Charge to 27V, two-way trigger tube CTS puncture this moment, C
6, C
7Discharge, discharge pulse is through WY
2Controllable silicon KK control utmost point G, W are delivered in shaping
3Adjustable frequency also can reach the purpose of reconciling the electric spark power.High-frequency inversion stepup transformer T(3) elementary winding L
1Section and capacitor C
8Series connection constitutes the underdamped oscillation loop and and the L of inverter circuit
2Series connection constitutes the winding that boosts again, so with T(3) be referred to as the high-frequency inversion stepup transformer.
High-frequency inversion stepup transformer T(3) coil L
1, L
2String shape is around in the groove (17) of coil rack (18), wherein the recessed horizontal stroke of the oblique cut ring of valley (16) (17) and as coil L
1, L
2Crossed beam trunking.
Claims (2)
1, a kind of electronic vacuum tester, its structure is: high-frequency inversion stepup transformer T (3) is stuck in the top recess of shell (7) by base mounting groove (19), insulation mother sieve (12) is fixed on high-frequency inversion stepup transformer T (3) center, top, emission spring (1) inserts insulation mother sieve (12) and is electrically connected with the output terminal of high-frequency inversion stepup transformer T (3), electric component partly is loaded in the shell (7), it is characterized in that, electric component partly comprises: electronic switch unit, rectifier, trigger circuit, inverter circuit, high-frequency inversion stepup transformer and discharge spring, wherein the input end of electronic switch unit is electrically connected with external power supply:
-electronic switch unit be between Ic555 time base circuit 2,6 and 7 pin turn-on time constant circuit, constitute multivibrator, 3 ends of Ic555 link to each other with bidirectional triode thyristor SCR control utmost point G, bidirectional triode thyristor SCR is series at by D
6～D
9One end of the rectifier input end of forming,
-by D
6～D
9Form full wave rectifier, the output terminal of rectifier is connected with inverter circuit with trigger circuit respectively, be connected to gauge tap controllable silicon KK in the inverter circuit, the control utmost point G of the gauge tap controllable silicon KK of the output terminal of trigger circuit and inverter circuit joins, and high-frequency inversion stepup transformer T (3) is by its elementary winding L
1Seal in the inverter circuit, and with the capacitor C of inverter circuit
8Constitute resonant tank together, the secondary L of high-frequency inversion stepup transformer T (3)
2Be electrically connected with discharge spring (1).
2, a kind of special-purpose high-frequency inversion stepup transformer of electronic vacuum tester, it is characterized in that: coil rack (18) is packed in the shell (14), the front end that hollow sieve bolt (23) passes shell (14) screws in the center pit (15) of coil rack (18) front end, insulation mother sieve (12) is threaded onto on hollow sieve bolt (23), be carved with annular groove (17) on the outer peripheral face of coil rack (18), winding L
1With L
2The series connection back is on annular groove (17), the oblique annular groove (17) that is cut in of valley (16) is as crossed beam trunking, the center pit (21) of coil rack (18) high-frequency inversion stepup transformer T(3) the yi word pattern ferrite bar (22) of packing into, magnetic circuit is an open loop shape, winding connects and is autocoupling type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93223472 CN2173398Y (en) | 1993-03-08 | 1993-09-01 | Electronic vacuum tester and high-frequency counterchange step-up transformer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93205907 | 1993-03-08 | ||
| CN932059907.4 | 1993-03-08 | ||
| CN 93223472 CN2173398Y (en) | 1993-03-08 | 1993-09-01 | Electronic vacuum tester and high-frequency counterchange step-up transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173398Y true CN2173398Y (en) | 1994-08-03 |
Family
ID=34065306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93223472 Expired - Fee Related CN2173398Y (en) | 1993-03-08 | 1993-09-01 | Electronic vacuum tester and high-frequency counterchange step-up transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173398Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332822A (en) * | 2011-09-19 | 2012-01-25 | 东文高压电源（天津）有限公司 | DC (direct current) voltage boost circuit consisting of 555 time-base circuit |
| CN104272121A (en) * | 2012-03-20 | 2015-01-07 | 橙色音乐电子有限公司 | Thermionic valve tester |
-
1993
- 1993-09-01 CN CN 93223472 patent/CN2173398Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332822A (en) * | 2011-09-19 | 2012-01-25 | 东文高压电源（天津）有限公司 | DC (direct current) voltage boost circuit consisting of 555 time-base circuit |
| CN104272121A (en) * | 2012-03-20 | 2015-01-07 | 橙色音乐电子有限公司 | Thermionic valve tester |
| CN104272121B (en) * | 2012-03-20 | 2016-12-07 | 橙色音乐电子有限公司 | Thermionic tube tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |