CN218036890U - Temperature control pretesting device of accelerometer core - Google Patents
Temperature control pretesting device of accelerometer core Download PDFInfo
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- CN218036890U CN218036890U CN202221760748.8U CN202221760748U CN218036890U CN 218036890 U CN218036890 U CN 218036890U CN 202221760748 U CN202221760748 U CN 202221760748U CN 218036890 U CN218036890 U CN 218036890U
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Abstract
The utility model relates to a temperature control pre-testing device of an accelerometer core, which comprises a chassis and a heat preservation cover matched with the chassis, wherein a core tool block is arranged in a heat preservation cavity enclosed by the chassis and the heat preservation cover and is fixedly connected with the chassis; the chassis, the watch core tooling block and the heat-insulating cover are coaxially arranged; the meter core tool block is provided with a meter core mounting groove, a first heating plate and a sensor, and the first heating plate and the sensor are respectively and electrically connected with a display control device which is used for displaying sensor heat data and controlling the output heat of the heating plate through data through an electric connection wire. The utility model discloses the frock that will be used for the hot plate for the core heating and fixed a plurality of cores is integrated as an organic whole, can evenly fix a plurality of accelerometer cores of fixing on core frock piece to carry out temperature regulation and control through the hot plate that closely cooperates with the frock piece, and adopt the cover that keeps warm to keep warm and keep warm, convenient operation has effectively improved the detection efficiency and the detection accuracy degree of core.
Description
Technical Field
The utility model belongs to sensor for aerospace especially relates to the watch core testing arrangement that speed sensor used.
Background
The accelerometer is a sensor capable of measuring acceleration accurately, is one member of a large family of accelerometers, has high accuracy, accurate measurement and wide application field, is widely applied to various fields of aerospace, aviation, ships, weapons, petroleum, geotechnical engineering and the like, and provides accurate acceleration measurement signals for navigation, guidance, control, leveling, monitoring and the like of various systems.
An accelerometer is a device capable of continuously measuring an acceleration signal, and acceleration measurement is an important subject proposed by engineering technology. When the object has a large acceleration, the object and the instrument and equipment carried by the object and other objects without relative acceleration are subjected to a force which can generate the same large acceleration, namely, a dynamic load. Acceleration is measured in anticipation of the dynamic load. Secondly, knowing the space positions of each instantaneous aircraft, rocket and naval vessel, the acceleration of each instantaneous aircraft, rocket and naval vessel can be continuously measured through inertial navigation (see a gyro platform inertial navigation system), then the acceleration component is obtained through integral operation, position coordinate signals in one direction are obtained through integration again, and the instrument measurement results in three coordinate directions are integrated to obtain a motion curve and give the space position of each instantaneous aircraft. As in some control systems, acceleration signals are often required as part of the information needed to produce the control action, and there is also the problem of continuously measuring acceleration.
An accelerometer used in an aerospace system needs to be tested for high temperature resistance before being used. At present, when the high temperature resistance performance test of accelerometer, in order to improve measurement accuracy, often twine cotton figured cloth at its outside hand to heat preservation when realizing the test, but this kind of heat preservation mode complex operation, the effect is not good, has leaded to carrying out temperature detection time measuring at a plurality of accelerometer watch cores, test cycle length, and the temperature that unable accurate measurement watch core can bear has reduced detection efficiency, has also improved the detection cost simultaneously.
Disclosure of Invention
An object of the utility model is to avoid prior art's not enough to provide one kind and can make the thermal insulation effect of awaiting measuring watch core thermally equivalent and when promoting the test, and then improve the control by temperature change pretesting device of an accelerometer watch core that the watch core bears the measurement of temperature efficiency and the degree of accuracy.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a temperature control pretesting device of an accelerometer core comprises a chassis and a heat preservation cover matched with the chassis, wherein a core tooling block is arranged in a heat preservation cavity enclosed by the chassis and the heat preservation cover and fixedly connected with the chassis; the chassis, the watch core tooling block and the heat-insulating cover are coaxially arranged;
the watch core tool block is a cuboid mounting block and is provided with two connecting bottom surfaces, a first pair of mounting side surfaces and a second pair of mounting side surfaces, wherein the first pair of mounting side surfaces and the second pair of mounting side surfaces are opposite and extend along the axial direction; the chassis is fixedly connected to at least one connecting bottom surface of the watch core mounting block, watch core mounting grooves are correspondingly and uniformly formed in the first pair of mounting side surfaces, and the watch cores are loaded in the watch core mounting grooves in a matching manner;
a pair of first heating plates is arranged on the second pair of mounting side surfaces and is tightly pressed on the side surfaces of the watch core tooling block through a pair of first pressing plates, so that the pair of first heating plates are tightly attached to the watch core tooling block;
a sensor mounting groove is formed in the center of the first pair of mounting side surfaces, the sensor is mounted in the sensor mounting groove and is compressed and fixed through a cover plate, and the cover plate is fixedly connected to the first pair of mounting side surfaces;
the pair of first heating plates and the sensor are respectively and electrically connected with the display control device through electric connecting wires, the display control device is used for presetting the temperature of the watch core to be tested, controlling the heating plates to enable the temperature of the watch core tool block to reach and keep the preset temperature, and meanwhile, displaying the preset temperature and the temperature of the sensor in real time.
Furthermore, still include with the coaxial keysets that sets up in chassis, the chassis be connected with the detection revolving stage through the keysets, the detection revolving stage be used for through driving the chassis and rotate, and then drive the axial rotation of watch core frock piece to change the test angle of accelerometer watch core.
Furthermore, a heat insulation plate is coaxially arranged between the adapter plate and the chassis and is a polytetrafluoroethylene plate and used for preventing heat of the meter core tool block from being conducted to the detection rotary table.
Furthermore, a first wiring groove is also formed in a second pair of mounting side surfaces on the inner sides of the pair of first heating plates, and an electronic connector socket is arranged in the first wiring groove corresponding to one side of the watch core mounting groove; the watch core is electrically connected with an electronic connector plug, the electronic connector plug is arranged on one side of the watch core and used for being electrically connected with the electronic connector socket in detection, and the electronic connector socket and a connecting wire of the first heating plate are arranged in the first wiring groove; the groove depth of the first wiring groove is 6-10mm.
Furthermore, first trough include the second to the vertical trough that the installation side set up on the axial, vertical with vertical trough, and run through the horizontal trough that the second is to the installation side width direction and is equipped with, extend on two lateral walls of horizontal trough and be equipped with and be used for supporting the mount pad of electronic connector socket.
Furthermore, the watch core mounting grooves are respectively provided with 3-8 pairs of watch core mounting grooves in pairs side by side on the first pair of mounting side surfaces and are uniformly arranged along the axial direction of the watch core tooling block;
the distance between the meter core mounting grooves arranged side by side is 3-5cm; the distance between every two meter core mounting grooves axially arranged along the first pair of mounting side surfaces is 3-5cm.
Furthermore, the chassis is a circular chassis, the connecting bottom surface of the watch core tool block is fixedly connected to one side of the circular surface of the chassis, a pair of electric heating plate accommodating grooves are formed in the circular surface of the other side of the chassis, and a pair of second electric heating plates are arranged in the electric heating plate accommodating grooves and are tightly pressed through a second pressing plate, so that the pair of second heating plates are tightly attached to the watch core tool block; the second pressure plate is installed on the chassis through bolts.
Furthermore, a second wiring groove is formed in the chassis provided with the pair of electric heating plate accommodating grooves, the second wiring groove extends in the diameter direction of the circular surface of the chassis, first through holes communicated with the first wiring grooves and line holes communicated with the sensor mounting grooves are formed in two end portions of the second wiring groove, electric connecting lines of the connector and the sensor penetrate out of the chassis through the first through holes and the line holes, and the electric connecting lines are led out of the second through holes formed in the chassis along the second wiring groove and connected with the display control device.
Furthermore, a cavity opening of the heat-insulating cavity of the heat-insulating cover is matched with the chassis, and a hand-screwed screw is arranged on the side surface of the chassis matched with the heat-insulating cover; a bayonet matched with a hand-screwed screw is arranged on the heat-insulating cover, the bayonet comprises an axial sliding hole and a circumferential sliding hole communicated with the axial sliding hole, the axial sliding hole and the circumferential sliding hole are both strip-shaped holes, and an opening for the hand-screwed screw to enter the axial sliding hole is formed in the bottom of the heat-insulating cover;
the heat preservation cover is also provided with an electric wire outlet for leading out a connecting electric wire.
Furthermore, the area of the heating plate is more than two thirds of the area of the second pair of mounting side surfaces.
The beneficial effects of the utility model are that: the utility model integrates the heating plate for heating the watch core and the tool for fixing a plurality of watch cores, can evenly fix a plurality of accelerometer watch cores fixed on the watch core tool block, and can regulate and control the temperature through the heating plate closely matched with the tool block, and adopts the heat preservation cover to preserve heat; the temperature sensor that sets up at table core frock piece central point and put can accurately detect table core temperature, and temperature sensor and table core pass through the electricity connecting wire and are connected with display control device, can realize the real-time detection to table core temperature, convenient operation, and the effect is ideal for the table core is heated evenly, and the temperature that temperature sensor sensed is more accurate, has effectively improved the detection efficiency and the detection accuracy degree of table core.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the assembly structure of the chassis, the watch core fixture block and the first heating plate of the present invention;
FIG. 3 is a schematic view of the assembly structure of the chassis, the watch core fixture block and the first pressing plate of the present invention;
FIG. 4 is a schematic structural view of the chassis, the watch core fixture block, the first and second wiring grooves of the present invention;
FIG. 5 is a schematic view of a second wire-routing groove of the present invention;
fig. 6 is a schematic structural view of the heat-insulating cover of the present invention.
In the figure: 1. a chassis; 2. a watch core tooling block; 21. a connecting bottom surface; 22. a first pair of mounting sides; 23. a second pair of mounting sides; 24. a watch core mounting groove; 3. a first heating plate; 4. a first platen; 5. a first wiring slot; 51. a longitudinal wiring groove; 52. a transverse wiring groove; 6. a heat insulation plate; 61. an electronic connector receptacle; 62. An electronic connector plug; 63. a mounting seat; 7. a sensor mounting groove; 71. a cover plate; 8. a second wiring duct; 81. a first through hole; 82. a wire hole; 83. a second through hole; 9. a second electric heating plate; 10. an electric heating plate accommodating groove; 11. a second platen; 12. a watch movement; 13. a heat-preserving cover; 14. screwing the screw by hand; 15. a bayonet; 151. an axial slide hole; 152. a circumferential slide hole; 16. a wire outlet; 17. an adapter plate.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
In order to achieve the above object, the present invention provides the following embodiments:
example 1: a temperature control pretesting device of an accelerometer core comprises a chassis 1 and a heat preservation cover 13 which is matched with the chassis as shown in figure 1, wherein a core tooling block 2 is arranged in a heat preservation cavity which is formed by the chassis 1 and the heat preservation cover 13 and is fixedly connected with the chassis 1; the chassis 1, the meter core tool block 2 and the heat-insulating cover 13 are coaxially arranged; the test device also comprises an adapter plate 17 which is coaxial with the chassis 1, the chassis 1 is connected with a detection rotary table through the adapter plate 17, and the detection rotary table is used for driving the chassis 1 to rotate so as to drive the meter core tool block 2 to axially rotate, so that the test angle of the accelerometer meter core is changed; and a heat insulation plate 6 is coaxially arranged between the adapter plate 17 and the chassis 1, and the heat insulation plate 6 is a polytetrafluoroethylene plate and is used for preventing heat of the meter core tool block 2 from being transmitted to the detection turntable.
The watch core tooling block 2 is a cuboid mounting block and is provided with two connecting bottom surfaces 21 and a first pair of mounting side surfaces 22 and a second pair of mounting side surfaces 23 which are opposite and extend along the axial direction; the chassis 1 is fixedly connected on at least one connecting bottom surface 21 of the watch core mounting block 2, watch core mounting grooves 24 are correspondingly and uniformly arranged on the first pair of mounting side surfaces 22, and the watch core 12 is loaded in the watch core mounting grooves 24 in a matching manner; in fig. 1, 3 pairs of the watch core mounting grooves 24 are respectively arranged on the first pair of mounting side surfaces 22 in pairs side by side and are uniformly arranged along the axial direction of the watch core tooling block 2; the setting distance between the meter core mounting grooves 24 arranged side by side is 3.8cm; the distance between every two watch core mounting grooves 24 axially arranged along the first pair of mounting side surfaces 22 is 4cm.
A pair of first heating plates 3 are arranged on the second pair of mounting side surfaces 23, the pair of first heating plates 3 are tightly pressed on the side surfaces of the watch core tooling block 2 through a pair of first pressing plates 4, so that the pair of first heating plates 3 are tightly attached to the watch core tooling block 2, and the arrangement area of the heating plates 3 is more than two thirds of that of the second pair of mounting side surfaces 23; a sensor mounting groove 7 is formed in the center of the first pair of mounting side surfaces 22, the sensor is mounted in the sensor mounting groove 7 and is pressed and fixed through a cover plate 71, and the cover plate 71 is fixedly connected to the first pair of mounting side surfaces 22;
the pair of first heating plates 3 and the sensor are respectively and electrically connected with a display control device through electric connecting wires, the display control device is used for presetting the temperature of the watch core to be tested, controlling the heating plates to enable the temperature of the watch core tooling block 2 to reach and keep the preset temperature, and simultaneously displaying the preset temperature and the temperature of the sensor in real time; the temperature of the sensor is the temperature of the watch core tooling block 2 at this moment.
A first wiring groove 5 is also arranged on the second pair of mounting side surfaces 23 at the inner sides of the pair of first heating plates 3, and an electronic connector socket 61 is arranged in the first wiring groove 5 corresponding to one side of the watch core mounting groove 24; the watch core 12 is electrically connected with an electronic connector plug 62, the electronic connector plug 62 is arranged on one side of the watch core 12 and is used for being electrically connected with an electronic connector socket 61 in detection, and the electronic connector socket 61 and a connecting wire of the first heating plate 3 are arranged in the first wiring groove 5; the groove depth of the first wiring groove 5 is 8mm. The first wiring groove 5 includes a longitudinal wiring groove 51 axially disposed on the second pair of mounting side surfaces 23, a transverse wiring groove 52 perpendicular to the longitudinal wiring groove 51 and disposed across the width direction of the second pair of mounting side surfaces 23, and mounting seats 63 for supporting the electronic connector sockets 61 are extended on both side walls of the transverse wiring groove 52.
The chassis 1 is a circular chassis, the connecting bottom surface 21 of the watch core tooling block 2 is fixedly connected to one side of the circular surface of the chassis 1, the circular surface of the other side of the chassis 1 is provided with a pair of electric heating plate accommodating grooves 10, and a pair of second electric heating plates 9 are arranged in the electric heating plate accommodating grooves 10 and are tightly pressed through a second pressing plate 11, so that the pair of second heating plates 9 are tightly attached to the watch core tooling block 2; the second presser plate 11 is mounted on the base plate 1 by bolts.
Be equipped with second trough 8 on the chassis 1 that is equipped with a pair of electric hot plate holding tank 10, second trough 8 extends to set up on the disc diameter direction on chassis 1, be equipped with the first through-hole 81 that is linked together with first trough 5 at the groove both ends of second trough 8 to and the line hole 82 that is linked together with sensor mounting groove 7, the electric connecting wire of connector and sensor is worn out to chassis 1 in through first through-hole 81 and line hole 82, and draw forth connection display control device along second trough 8 by the second through-hole 83 that is equipped with on chassis 1.
The cavity opening of the heat-insulating cavity of the heat-insulating cover 13 is matched with the chassis 1, and a hand-screwed screw 14 is arranged on the side surface of the chassis 1 matched with the heat-insulating cover 13; the protective cover 13 is provided with a bayonet 15 matched with the hand-screwed screw 14, the bayonet 15 comprises an axial sliding hole 151 and a circumferential sliding hole 152 communicated with the axial sliding hole 151, the axial sliding hole 151 and the circumferential sliding hole 151 are both strip-shaped holes, the bottom of the protective cover 13 is provided with an opening for the hand-screwed screw 14 to enter the axial sliding hole 151, the screw 14 slides into the axial sliding hole 151 through the opening and enters the circumferential sliding hole 152 along the axial sliding hole 151, and therefore the protective cover 13 is locked on the chassis 1; the heat-insulating cover 13 is also provided with a wire outlet 16 for leading out a connecting wire.
The utility model discloses when using, fix the watch core 12 matching of awaiting measuring in the watch core mounting groove 24 of adaptation, and electronic connector plug 62 and the electronic connector socket 61 of connecting on through watch core 12 are connected, and simultaneously, lock chassis 1 through screw 14 and two slide holes and heat preservation cover 13, the switch-on connecting wire, at this moment, a sensor temperature for detecting watch core frock piece temperature shows promptly on showing controlling means, the required temperature of predetermineeing of test watch core is predetermine to the staff through the electric capacity screen that shows controlling means, and control the rising of first hot plate 3 and second hot plate 9, the cooling, the temperature of guaranteeing watch core frock piece 2 reaches and keeps predetermineeing the temperature, and simultaneously, show controlling means and will show the current temperature of predetermineeing temperature and sensor in real time, be convenient for staff real-time supervision.
Example 2: the same as in example 1, except that: the watch core mounting grooves 24 are respectively provided with 8 pairs of watch core mounting grooves in parallel and in pairs on the first pair of mounting side surfaces 22, and are uniformly arranged along the axial direction of the watch core tooling block 2; the arrangement distance between the meter core installation grooves 24 arranged side by side is 3cm; the distance between two watch core mounting grooves 24 axially arranged along the first pair of mounting side surfaces 22 is 3cm. The groove depth of the first wiring groove 5 is 10mm.
The same as in example 1, except that: the watch core mounting grooves 24 are respectively provided with 5 pairs of watch core mounting grooves in parallel and in pairs on the first pair of mounting side surfaces 22, and are uniformly arranged along the axial direction of the watch core tooling block 2; the arrangement distance between the meter core installation grooves 24 arranged side by side is 5cm; the distance between every two watch core mounting grooves 24 axially arranged along the first pair of mounting side surfaces 22 is 5cm. The groove depth of the first wiring groove 5 is 6mm.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The temperature control pretesting device for the accelerometer core is characterized by comprising a chassis (1) and a heat preservation cover (13) matched with the chassis (1), wherein a core tooling block (2) is arranged in a heat preservation cavity defined by the chassis (1) and the heat preservation cover (13) and fixedly connected with the chassis (1); the chassis (1), the watch core tool block (2) and the heat-insulating cover (13) are coaxially arranged;
the watch core tool block (2) is a cuboid mounting block and is provided with two connecting bottom surfaces (21) and a first pair of mounting side surfaces (22) and a second pair of mounting side surfaces (23) which are opposite and extend along the axial direction; the chassis (1) is fixedly connected to at least one connecting bottom surface (21) of the watch core tooling block (2), watch core mounting grooves (24) are correspondingly and uniformly formed in the first pair of mounting side surfaces (22), and the watch core (12) is loaded in the watch core mounting grooves (24) in a matching manner;
a pair of first heating plates (3) is arranged on the second pair of mounting side surfaces (23), and the pair of first heating plates (3) are tightly pressed on the side surfaces of the watch core tooling block (2) through a pair of first pressing plates (4), so that the pair of first heating plates (3) are tightly attached to the watch core tooling block (2);
a sensor mounting groove (7) is formed in the center of the first pair of mounting side surfaces (22), the sensor is mounted in the sensor mounting groove (7) and is pressed and fixed through a cover plate (71), and the cover plate (71) is fixedly connected to the first pair of mounting side surfaces (22);
the pair of first heating plates (3) and the sensor are respectively and electrically connected with the display control device through electric connecting wires, the display control device is used for presetting the temperature of the watch core to be tested, controlling the heating plates to enable the temperature of the watch core tooling block (2) to reach and keep the preset temperature, and meanwhile, displaying the preset temperature and the temperature of the sensor in real time.
2. The temperature control pretesting device of the accelerometer core according to claim 1, further comprising an adapter plate (17) coaxially disposed with the chassis (1), wherein the chassis (1) is connected to a detection turntable through the adapter plate (17), and the detection turntable is configured to drive the chassis (1) to rotate, so as to drive the core fixture block (2) to axially rotate, thereby changing a test angle of the accelerometer core.
3. The device for the pre-test of the temperature control of the accelerometer core according to claim 2, characterized in that a heat-insulating plate (6) is coaxially arranged between the adapter plate (17) and the chassis (1), and the heat-insulating plate (6) is a polytetrafluoroethylene plate and is used for preventing the heat of the core tool block (2) from being conducted to the detection turntable.
4. The temperature controlled pretest device of an accelerometer core according to claim 1, wherein a first wiring groove (5) is further provided on a second pair of mounting sides (23) provided with the inner sides of the pair of first heating plates (3), and an electronic connector socket (61) is provided in the first wiring groove (5) corresponding to one side of the core mounting groove (24); the watch core (12) is electrically connected with an electronic connector plug (62), the electronic connector plug (62) is arranged on one side of the watch core (12) and used for being electrically connected with the electronic connector socket (61) in detection, and a connecting wire of the electronic connector socket (61) and the first heating plate (3) is arranged in the first wiring groove (5); the groove depth of the first wiring groove (5) is 6-10mm.
5. The device for the temperature controlled pretesting of an accelerometer core according to claim 4, wherein the first wiring groove (5) comprises a longitudinal wiring groove (51) disposed axially on the second pair of mounting sides (23), a transverse wiring groove (52) disposed perpendicularly to the longitudinal wiring groove (51) and extending across the width of the second pair of mounting sides (23), and mounting seats (63) for supporting the electrical connector sockets (61) are extended on both side walls of the transverse wiring groove (52).
6. The temperature-controlled pretesting device for the accelerometer core according to claim 1, wherein the core mounting grooves (24) are respectively provided with 3-8 pairs of core mounting grooves side by side on the first pair of mounting side surfaces (22) and are uniformly arranged along the axial direction of the core fixture block (2);
the distance between the meter core mounting grooves (24) arranged side by side is 3-5cm; the distance between every two meter core mounting grooves (24) axially arranged along the first pair of mounting side surfaces (22) is 3-5cm.
7. The temperature control pretesting device of the accelerometer core according to claim 1, wherein the chassis (1) is a circular chassis, the connecting bottom surface (21) of the core fixture block (2) is fixedly connected to one side of the circular surface of the chassis (1), a pair of electric heating plate accommodating grooves (10) are arranged on the circular surface of the other side of the chassis (1), and a pair of second electric heating plates (9) are arranged in the electric heating plate accommodating grooves (10) and are pressed tightly through a second pressing plate (11), so that the pair of second electric heating plates (9) are tightly attached to the core fixture block (2); the second pressure plate (11) is installed on the chassis (1) through bolts.
8. The temperature control pretesting device of the accelerometer movement according to claim 7, wherein a second wire-routing groove (8) is provided on the chassis (1) having the pair of electric heating plate accommodating grooves (10), the second wire-routing groove (8) is extended and disposed on the diameter direction of the circular surface of the chassis (1), a first through hole (81) communicating with the first wire-routing groove (5) and a wire hole (82) communicating with the sensor mounting groove (7) are provided at both ends of the second wire-routing groove (8), an electrical connection wire between the connector and the sensor passes through the first through hole (81) and the wire hole (82) to penetrate into the chassis (1), and is led out from a second through hole (83) provided on the chassis (1) along the second wire-routing groove (8) to be connected with the display control device.
9. The temperature-controlled pretesting device of the accelerometer core according to claim 1, wherein the cavity opening of the heat-insulating cavity of the heat-insulating cover (13) is matched with the chassis (1), and a hand screw (14) is arranged on the side surface of the chassis (1) matched with the heat-insulating cover (13); a bayonet (15) matched with a hand-screwed screw (14) is arranged on the heat-insulating cover (13), the bayonet (15) comprises an axial sliding hole (151) and a circumferential sliding hole (152) communicated with the axial sliding hole (151), the axial sliding hole (151) and the circumferential sliding hole (152) are both strip-shaped holes, and an opening for allowing the hand-screwed screw (14) to enter the axial sliding hole (151) is formed in the bottom of the heat-insulating cover (13);
the heat preservation cover (13) is also provided with an electric wire outlet (16) for leading out a connecting electric wire.
10. A device for the temperature-controlled pretesting of an accelerometer core according to any of claims 1 to 9, wherein the area of the heating plate (3) is more than two thirds of the area of the second pair of mounting sides (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221760748.8U CN218036890U (en) | 2022-07-08 | 2022-07-08 | Temperature control pretesting device of accelerometer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221760748.8U CN218036890U (en) | 2022-07-08 | 2022-07-08 | Temperature control pretesting device of accelerometer core |
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| Publication Number | Publication Date |
|---|---|
| CN218036890U true CN218036890U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221760748.8U Active CN218036890U (en) | 2022-07-08 | 2022-07-08 | Temperature control pretesting device of accelerometer core |
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| Country | Link |
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| CN (1) | CN218036890U (en) |
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2022
- 2022-07-08 CN CN202221760748.8U patent/CN218036890U/en active Active
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