CN202512155U - High voltage measurement device - Google Patents
High voltage measurement device Download PDFInfo
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- CN202512155U CN202512155U CN 201120527755 CN201120527755U CN202512155U CN 202512155 U CN202512155 U CN 202512155U CN 201120527755 CN201120527755 CN 201120527755 CN 201120527755 U CN201120527755 U CN 201120527755U CN 202512155 U CN202512155 U CN 202512155U
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- metal shell
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- oval metal
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Abstract
The utility model relates to a high voltage measurement device, comprising a voltage division capacitor and a measurement board, wherein the voltage division capacitor consists of a first ellipse metal casing electrode and a second ellipse metal casing electrode size of which is the same as the first ellipse metal casing electrode oppositely arranged in an interval manner and the second ellipse metal casing electrode can move relative to the first ellipse metal casing electrode to be close to or far from the first ellipse metal casing electrode. The first ellipse metal casing electrode is electrically connected with a to-be-detected circuit. The second ellipse metal casing electrode consists of an ellipse metal casing and a metal board mounted on the metal casing in an insulation manner. The metal board is electrically connected with the measurement board and the ellipse metal casing is earthed. According to the high voltage measurement device provided by the utility model, measurement of high frequency voltage of an output terminal of a large power transmitter is achieved. The measurement device has both relatively high stability and reliability and certain lightning resistant capacity.
Description
Technical field
The utility model relates to a kind of measurement mechanism, particularly relates to a kind of measurement mechanism that is used for the HF voltage of high-power transmitter output.
Background technology
The emissive power of the high-power transmitter that broadcast communication is used can reach MW class, and the voltage of its output terminal is up to thousands of volts, even reaches more than ten ten thousand volts, and it is measured very difficulty.Existing measurement mechanism is because problems such as withstand voltage, the power of device; Realize that the number of devices that the measurement of transmitter output voltage is needed is a lot; Complicated circuit; And stability, the reliability of this its work of metering circuit of being made up of a lot of devices are all lower, and these measurement mechanisms are very responsive to thunder and lightning, are easy to when thundering damage.
This shows that above-mentioned existing high-pressure measurement mechanism obviously still has inconvenience and defective, and demands urgently further improving in structure and use.In order to solve the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of high-pressure measurement mechanism of new structure, can use less components and parts and have high stability and reliability, and certain anti-thunder ability.The real important research and development problem of current broadcast television communication industry that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The purpose of the utility model is; Overcome the defective that existing high-pressure measurement mechanism exists; And a kind of high-pressure measurement mechanism of new structure is provided, technical matters to be solved is to make it just can realize the measurement to high-power transmitter output terminal HF voltage through using less components and parts, and has advantages of higher stability and reliability simultaneously; And certain anti-thunder ability, be very suitable for practicality.
The purpose of the utility model and to solve its technical matters be that technical scheme below adopting realizes.According to a kind of high-pressure measurement mechanism that the utility model proposes, it comprises a dividing potential drop electric capacity and a measurement plate; Said dividing potential drop electric capacity be by one first oval metal shell electrode with its by size identical and can be with respect to the said first oval metal shell electrode movement and near or be provided with away from one second oval metal shell electrode relative spacing of the said first oval metal shell electrode and constitute; The wherein said first oval metal shell electrode is electrically connected with a circuit under test; The said second oval metal shell electrode comprises an oval metal shell and a sheet metal; Said oval metal shell is provided with a through hole at the center of the side relative with the said first oval metal shell electrode; The size of said sheet metal is less than the size of said through hole; And being arranged in the said through hole of said sheet metal and said oval metal shell insulation, wherein said sheet metal is electrically connected with said measurement plate, said oval metal shell ground connection.
The purpose of the utility model and solve its technical matters and can also adopt following technical measures to come further to realize.
Aforesaid high-pressure measurement mechanism, wherein corresponding said through hole is provided with a metal installing plate in said oval metal shell, and said sheet metal is to be fixedly arranged on being arranged in the said through hole that said metal installing plate insulate through an insulating mat.
Aforesaid high-pressure measurement mechanism, the wherein said first oval metal shell electrode is installed with one first bronze medal bar on a side of the side thereof opposite relative with the said second oval metal shell electrode; The said first oval metal shell electrode is to insert said circuit under test and be electrically connected with said circuit under test through the said first bronze medal bar; The said second oval metal shell electrode is installed with one second bronze medal bar on a side of the side thereof opposite relative with the said first oval metal shell electrode; The said second bronze medal bar is slidably to be arranged in the metal slide block, and said metal slide block then is fixedly connected with a bonding wall through a Metallic rod; Also be laid with the plain conductor that an outside is coated with metal screen layer and insulation course successively in the wherein said second bronze medal bar; One end of said plain conductor is to get in the said oval metal shell of the said second oval metal shell electrode to be electrically connected with said sheet metal; Its outside said metal screen layer that coats then is connected to said metal installing plate ground connection in said oval metal shell, the other end of said plain conductor is to pass said bonding wall and be electrically connected with the said measurement plate that is arranged at said bonding wall opposite side.
Aforesaid high-pressure measurement mechanism; Wherein said circuit under test is the outgoing feeder of high-power transmitter; One end of the described first bronze medal bar is to be connected with the said first oval metal shell electrode electricity, and its other end is then adopted into an outgoing feeder of the said high-power transmitter of access as measuring-signal.
Aforesaid high-pressure measurement mechanism, wherein said measurement plate are provided with one and measure electric capacity, a rectification circuit, a filter capacitor and an adjustable resistance; Said dividing potential drop electric capacity is that the above measures ground connection after capacitances in series with said measurement plate; And the two ends of said measurement electric capacity are connected with the input end of said rectification circuit; The output terminal of said rectification circuit then is connected in the two ends of said filter capacitor; And said adjustable resistance is parallelly connected with said filter capacitor, and its two ends are the measuring-signal output terminal.
Aforesaid high-pressure measurement mechanism, wherein said rectification circuit are full-wave rectifying circuit or bridge rectifier circuit.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model high-pressure measurement mechanism has advantage and beneficial effect at least:
1, the high-pressure measurement mechanism of the utility model is sampled through adopting metal shell to form electric capacity, has improved the magnitude of voltage of sampling, has reduced the former device of voltage sampling circuit simultaneously, has improved the reliability of device.
2, the high-pressure measurement mechanism of the utility model can pass through the size of the electric capacity of adjusting metal shell composition, increases the measurement range of voltage, enlarges the usable range of measurement mechanism.
3, the high-pressure measurement mechanism of the utility model is because the electric capacity that adopts metal shell to form is sampled, and therefore the electronic devices and components with respect to other have stronger anti-thunder characteristic, sometimes even can be used as lightning protection device and use.
In sum, the utility model has obvious improvement technically, and has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of instructions, and for let the above-mentioned of the utility model with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the composition structural representation of the utility model high-pressure measurement mechanism.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked; Below in conjunction with accompanying drawing and preferred embodiment; To its embodiment of high-pressure measurement mechanism, structure, characteristic and the effect thereof that proposes according to the utility model, specify as after.
Aforementioned and other technology contents, characteristics and the effect of relevant the utility model can clearly appear in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation through embodiment; Should be to reach technological means that predetermined purpose takes and effect to obtain one more deeply and concrete understanding to the utility model; Yet the appended graphic usefulness that only provides reference and explanation is not to be used for the utility model is limited.
Seeing also shown in Figure 1ly, is the composition structural representation of the utility model high-pressure measurement mechanism.The high-pressure measurement mechanism of the utility model is measured plate 20 by a dividing potential drop electric capacity 10 and one and is formed.
Said dividing potential drop electric capacity 10 is to be made up of size identical one first oval metal shell electrode 11 and one second oval metal shell electrode 12 relative spacing settings.And the said second oval metal shell electrode 12 can be with respect to 11 motions of the said first oval metal shell electrode and near or away from the said first oval metal shell electrode 11; So that, reach the effect of regulating dividing potential drop electric capacity 10 capacitances through regulating two oval metal shell distance between electrodes.The wherein said first oval metal shell electrode 11 is to be electrically connected with a circuit under test.Said second 12 at the oval metal shell electrode comprises an oval metal shell 121 and a sheet metal 122.As shown in Figure 1; Said oval metal shell 121 is provided with a through hole 1211 at the center of the side relative with the said first oval metal shell electrode 11; The size of said sheet metal 122 is less than the size of said through hole 1211; And corresponding said through hole 1211 also is provided with a metal installing plate 1212 in said oval metal shell 121; Said sheet metal 122 is to be fixedly arranged on said metal installing plate 1212 through an insulating mat 1221 to be arranged in the said through hole 1211, makes said sheet metal 122 and said oval metal shell 121 insulation.Wherein, said sheet metal 122 is to be electrically connected with said measurement plate 20, and said oval metal shell 121 ground connection.
As shown in Figure 1, the said first oval metal shell electrode 11 also is installed with one first bronze medal bar 13 on a side of the side thereof opposite relative with the said second oval metal shell electrode 12.The said first oval metal shell electrode 11 is to insert said circuit under test and be electrically connected with said circuit under test through the said first bronze medal bar 13.The said second oval metal shell electrode 12 is installed with one second bronze medal bar 14 too on a side of the side thereof opposite relative with the said first oval metal shell electrode 11.Wherein, the said second bronze medal bar 14 is slidably to be arranged in the metal slide block 15, and said metal slide block 15 is to be fixedly connected with a bonding wall 30 through a Metallic rod 16.In addition; In the said second bronze medal bar 14, also be laid with the plain conductor 141 that an outside is coated with metal screen layer and insulation course successively; One end of said plain conductor 141 is to get in the said oval metal shell 121 to be electrically connected with said sheet metal 122; Its outside said metal screen layer that coats then is connected to said metal 1212 plate earthings is installed in said oval metal shell 121, the other end of said plain conductor 141 is to pass said bonding wall 30 and be electrically connected with the said measurement plate 20 that is arranged at said bonding wall 30 opposite sides.The high-pressure measurement mechanism of utility model can be used for the measurement of high-power transmitter output terminal HF voltage; Wherein said circuit under test is the outgoing feeder of high-power transmitter; One end of the described first bronze medal bar 13 is to be electrically connected with the said first oval metal shell electrode 11, and its other end is then adopted the outgoing feeder that inserts said high-power transmitter into point 131 as measuring-signal.
Said measurement plate 20 is provided with one and measures electric capacity 21, a rectification circuit 22, a filter capacitor 23 and an adjustable divider resistance 24.Said dividing potential drop electric capacity 10 is the back ground connection of connecting with said measurement plate 20 the above measurement electric capacity 21, and the high-voltage signal dividing potential drop with transmitter output makes it reach rear end rectification circuit 22 operable voltage ranges.The two ends of said measurement electric capacity 21 are connected with the input end of said rectification circuit 22; The output terminal of said rectification circuit 22 then is connected in the two ends of said filter capacitor 23; Said adjustable divider resistance 24 is parallelly connected with said filter capacitor 23, and its two ends are then as measuring-signal output terminal 25.The direct current signal of said rectification circuit 22 outputs of the utility model is after said filter capacitor 23 filtering.Carry out dividing potential drop, also obtain instructed voltage at measuring-signal output terminal 25 through adjustable divider resistance 24 through the sampling of regulating divider resistance 24.The rectification circuit 22 of the utility model can adopt full-wave rectifying circuit or bridge rectifier circuit.Preferable, as shown in Figure 1, for saving cost, this device adopts full-wave rectifying circuit.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Though the utility model discloses as above with preferred embodiment, yet be not that any professional and technical personnel of being familiar with is not in breaking away from the utility model technical scheme scope in order to qualification the utility model; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (6)
1. a high-pressure measurement mechanism is characterized in that, it comprises a dividing potential drop electric capacity and a measurement plate; Said dividing potential drop electric capacity is to be provided with by one first oval metal shell electrode and one second oval metal shell electrode relative spacing to constitute, and the said second oval metal shell electrode is identical with the said first oval metal shell electrode size and can be with respect to the said first oval metal shell electrode movement and near or away from the said first oval metal shell electrode; The wherein said first oval metal shell electrode is electrically connected with a circuit under test; The said second oval metal shell electrode comprises an oval metal shell and a sheet metal; Said oval metal shell is provided with a through hole at the center of the side relative with the said first oval metal shell electrode; The size of said sheet metal is less than the size of said through hole; And being arranged in the said through hole of said sheet metal and said oval metal shell insulation, wherein said sheet metal is electrically connected with said measurement plate, said oval metal shell ground connection.
2. high-pressure measurement mechanism according to claim 1; It is characterized in that; Wherein corresponding said through hole is provided with a metal installing plate in said oval metal shell, and said sheet metal is to be fixedly arranged on being arranged in the said through hole that said metal installing plate insulate through an insulating mat.
3. high-pressure measurement mechanism according to claim 2 is characterized in that, the wherein said first oval metal shell electrode is installed with one first bronze medal bar on a side of the side thereof opposite relative with the said second oval metal shell electrode; The said first oval metal shell electrode is to insert said circuit under test and be electrically connected with said circuit under test through the said first bronze medal bar; The said second oval metal shell electrode is installed with one second bronze medal bar on a side of the side thereof opposite relative with the said first oval metal shell electrode; The said second bronze medal bar is slidably to be arranged in the metal slide block, and said metal slide block then is fixedly connected with a bonding wall through a Metallic rod; Also be laid with the plain conductor that an outside is coated with metal screen layer and insulation course successively in the wherein said second bronze medal bar; One end of said plain conductor is to get in the said oval metal shell of the said second oval metal shell electrode to be electrically connected with said sheet metal; Its outside said metal screen layer that coats then is connected to said metal installing plate ground connection in said oval metal shell, the other end of said plain conductor is to pass said bonding wall and be electrically connected with the said measurement plate that is arranged at said bonding wall opposite side.
4. high-pressure measurement mechanism according to claim 3; It is characterized in that; Wherein said circuit under test is the outgoing feeder of high-power transmitter; One end of the described first bronze medal bar is to be connected with the said first oval metal shell electrode electricity, and its other end is then adopted into an outgoing feeder of the said high-power transmitter of access as measuring-signal.
5. high-pressure measurement mechanism according to claim 4 is characterized in that, wherein said measurement plate is provided with one and measures electric capacity, a rectification circuit, a filter capacitor and an adjustable resistance; Said dividing potential drop electric capacity is that the above measures ground connection after capacitances in series with said measurement plate; And the two ends of said measurement electric capacity are connected with the input end of said rectification circuit; The output terminal of said rectification circuit then is connected in the two ends of said filter capacitor; And said adjustable resistance is parallelly connected with said filter capacitor, and its two ends are the measuring-signal output terminal.
6. high-pressure measurement mechanism according to claim 5 is characterized in that, wherein said rectification circuit is full-wave rectifying circuit or bridge rectifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120527755 CN202512155U (en) | 2011-12-15 | 2011-12-15 | High voltage measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120527755 CN202512155U (en) | 2011-12-15 | 2011-12-15 | High voltage measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512155U true CN202512155U (en) | 2012-10-31 |
Family
ID=47064633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120527755 Expired - Lifetime CN202512155U (en) | 2011-12-15 | 2011-12-15 | High voltage measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199138A (en) * | 2016-08-30 | 2016-12-07 | 中广核达胜加速器技术有限公司 | A kind of for detecting accelerator electrode plate voltage and the device of frequency |
-
2011
- 2011-12-15 CN CN 201120527755 patent/CN202512155U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199138A (en) * | 2016-08-30 | 2016-12-07 | 中广核达胜加速器技术有限公司 | A kind of for detecting accelerator electrode plate voltage and the device of frequency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
|
| CX01 | Expiry of patent term |