SE508461C2 - Firing guide system for e.g. tanks - Google Patents
Firing guide system for e.g. tanksInfo
- Publication number
- SE508461C2 SE508461C2 SE9403790A SE9403790A SE508461C2 SE 508461 C2 SE508461 C2 SE 508461C2 SE 9403790 A SE9403790 A SE 9403790A SE 9403790 A SE9403790 A SE 9403790A SE 508461 C2 SE508461 C2 SE 508461C2
- Authority
- SE
- Sweden
- Prior art keywords
- temperature
- ammunition
- firing guide
- tanks
- temperature sensor
- Prior art date
Links
- 238000010304 firing Methods 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000003721 gunpowder Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/12—Aiming or laying means with means for compensating for muzzle velocity or powder temperature with means for compensating for gun vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C11/00—Electric fuzes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Telescopes (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Description
508 461 10 15 20 25 30 35 Även om kruttemperaturen är någorlunda känd när ett skott laddas i kanonen, kvarstår ett svårbemästrat problem i de fall man har avfyrat kanonen tidigare. 508 461 10 15 20 25 30 35 Although the powder temperature is reasonably known when a shot is fired in the cannon, a difficult problem to master remains in cases where the cannon has been fired before.
Kanonen har då blivit uppvärmd, vilket medför att kruttemperaturen hos ett skott som laddats i kanonen stiger med tiden. Om lång tid hinner förflyta innan skottet avfyras, hinner kmttemperaturen stiga avsevärt.The cannon has then been heated, which means that the powder temperature of a shot loaded in the cannon rises with time. If a long time elapses before the shot is fired, the room temperature will rise considerably.
Som ovan angivits är det vanligt att som ingångsvärde för eldledningsberäkningar- na använda den uppmätta lufttemperaturen eller temperaturen i skottets omedel- bara närhet. I värsta fall saknas termometer, varvid man måste uppskatta tempera- turen eller i sista hand använda värdet +5° enligt svenska försvarets "norrnal- lufthav".As stated above, it is common to use the measured air temperature or the temperature in the immediate vicinity of the bulkhead as the input value for the fire line calculations. In the worst case, there is no thermometer, whereby one must estimate the temperature or ultimately use the value + 5 ° according to the Swedish Armed Forces' "northern airport".
Andra kända metoder innebär t.ex. att man tillsammans med skotten förvarar en tennometer som har en tidskonstant som är så lik skottens som möjligt och att man avläser terrnometem i anslutning till uppackningen. Man kan också mäta skottens yttertemperatur. ingen av dessa metoder ger, som framgått ovan, annat än i spe- ciella fall någon högre grad av noggrannhet.Other known methods involve e.g. that you keep a tennometer with the bulkheads that has a time constant that is as similar to the bulkheads as possible and that you read the thermometer in connection with unpacking. You can also measure the outside temperature of the shoots. none of these methods gives, as stated above, except in special cases any higher degree of accuracy.
Uppfinningen löser det uppställda problemet genom att vara utförd på det sätt som framgår av det efterföljande självständiga patentkravet. l det följande kommer uppfinningen att presenteras närmare under hänvisning till bifogade ritningar, där figuren visar en utföringsforrn av uppfinningen i samband med ett skott som är försett med elektrisk avfyring och där tändskruven fungerar som temperatursensor.The invention solves the problem posed by being carried out in the manner set out in the following independent patent claim. In the following, the invention will be presented in more detail with reference to the accompanying drawings, where the figure shows an embodiment of the invention in connection with a shot which is provided with electric firing and where the ignition screw acts as a temperature sensor.
Den grundläggande idén vid uppfinningen är att man placerar en temperatursensor idirekt kontakt med krutet. Temperatursensom mäter direkt kruttemperaturen ome- delbart före avfyringen. Överföringen av mätvärden från sensom kan sedan ske via en för ändamålet sär- skilt anordnad elektrisk ledare. I de fall ammunitionen är försedd med elektrisk avfyring, finns redan en elektrisk ledare ansluten till ammunitionen. l t.ex. befintliga stridsvagnskanonsystem är dessutom den andra änden av ledaren oftast ansluten till en eldledningsberäkningsanordning. Denna elektriska ledning kan användas för att också överföra mätsignaler avseende kruttemperaturen. Reläer, som eventuellt 10 15 508 461 3 ingår i kretsen, kan enkelt förbikopplas, t.ex. med ett motstånd, utan att funktion och säkerhet äventyras.The basic idea of the invention is to place a temperature sensor in direct contact with the gunpowder. Temperature sensor directly measures the powder temperature immediately before firing. The transmission of measured values from the sensor can then take place via an electrical conductor specially arranged for the purpose. In cases where the ammunition is equipped with electric firing, there is already an electrical conductor connected to the ammunition. l e.g. In addition, in the case of tank cannon systems, the other end of the conductor is usually connected to a fire control device. This electrical wire can be used to also transmit measurement signals regarding the powder temperature. Relays, which may be included in the circuit, can be easily bypassed, e.g. with a resistance, without compromising function and safety.
Vid ammunition med elektrisk avfyring kan man mäta upp kruttemperaturen genom att låta en liten ström, säg av stoneksordningen en tusendel av den ström som krävs för avfyring, gå genom tändkretsen med tändskruven RA1, vilken i princip är ett motstånd, se figuren. Genom att man använder ett så lågt värde, har detta inte någon inverkan på säkerheten. Med en noggrann mätapparat 1, ifiguren visad som en voltmeter i en koppling där R betecknar ett strömbegränsningsmotstånd, kan man mäta upp temperaturberoende skillnaderi strömmen orsakade av temperatur- beroende resistansförändringar i tändskruven.In the case of ammunition with electric firing, you can measure the powder temperature by letting a small current, say a thousandth of the current required for firing, go through the ignition circuit with the ignition screw RA1, which is in principle a resistor, see fi guren. By using such a low value, this has no effect on safety. With an accurate measuring device 1, in the fi clock shown as a voltmeter in a connection where R denotes a current limiting resistance, you can measure temperature-dependent differences in the current caused by temperature-dependent resistance changes in the ignition screw.
Med den angivna metoden blir det möjligt att på ett enkelt och billigt sätt öka träff- sannolikheten vid ett flertal skjutfall. Exempel på sådana år både nya och befintliga stridsvagnssystem.With the specified method, it becomes possible to increase the probability of a hit in a simple and inexpensive way in the event of a number of shooting cases. Examples of such years are both new and exciting tank systems.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403790A SE508461C2 (en) | 1994-11-04 | 1994-11-04 | Firing guide system for e.g. tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403790A SE508461C2 (en) | 1994-11-04 | 1994-11-04 | Firing guide system for e.g. tanks |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9403790D0 SE9403790D0 (en) | 1994-11-04 |
| SE9403790L SE9403790L (en) | 1996-05-05 |
| SE508461C2 true SE508461C2 (en) | 1998-10-05 |
Family
ID=20395857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9403790A SE508461C2 (en) | 1994-11-04 | 1994-11-04 | Firing guide system for e.g. tanks |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE508461C2 (en) |
-
1994
- 1994-11-04 SE SE9403790A patent/SE508461C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9403790L (en) | 1996-05-05 |
| SE9403790D0 (en) | 1994-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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