CN212969584U

CN212969584U - Resonator with thermistor

Info

Publication number: CN212969584U
Application number: CN202022018245.0U
Authority: CN
Inventors: 李小菊; 谢俊超; 赖强波; 刘龙泽; 张剑锋
Original assignee: Interquip Electronics Shenzhen Co ltd; Shenzhen Shenshan Special Cooperation Zone Yingdali Electronic Technology Co ltd
Current assignee: Interquip Electronics Shenzhen Co ltd; Shenzhen Shenshan Special Cooperation Zone Yingdali Electronic Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-13
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a take thermistor's syntonizer, including pad, thermistor structure, first base plate, second base plate, oscillator and upper cover, the pad covers in the one side of first base plate, and the second base plate is fixed in the another side of first base plate, and the thermistor structure is fixed in the one side of second base plate, and the oscillator is fixed in the another side of second base plate, and the upper cover pressfitting is on the second base plate, and first base plate is equipped with the trompil of the thermistor structure of being convenient for demonstration. The utility model discloses process the completion in the lump with base plate and thermistor, reduced the whole manufacturing procedure of thermistor syntonizer, shortened the man-hour of processing of thermistor syntonizer to save required equipment of thermistor equipment and material, also can reduce the loss cost that drops of thermistor at follow-up in-process. Meanwhile, the bottom of the first substrate is provided with the hole, so that the bottom of the base can be visually provided with the thermistor when being processed, and the thermistor can be conveniently detected.

Description

Resonator with thermistor

Technical Field

The utility model belongs to the technical field of the syntonizer, especially, relate to a take thermistor's syntonizer.

Background

With the development of electronic technology, more and more applications require that the temperature frequency deviation of the quartz crystal is smaller, and the resonator with the thermistor is accepted by the market due to lower production cost and high temperature characteristic precision. The bottom of a base is usually provided with a groove, a welding pad for welding the thermistor is arranged in the groove, and the base and a metal shell are sealed and welded to form a cavity for accommodating a vibrator to form a quartz crystal resonator. The structure needs to be added with a thermistor assembly process, namely, after the crystal is assembled, the thermistor is assembled, solder paste is needed when the thermistor is assembled, and chip mounter equipment needs to be added to place the thermistor in a base groove. Appearance inspection equipment is needed after the welding of the thermistor to detect whether the welding of the thermistor meets the requirements, and the processing method consumes more time and materials.

Disclosure of Invention

The utility model provides a take thermistor's syntonizer for solve among the prior art unable high-efficient processing take thermistor's technical problem.

The utility model discloses a take thermistor's syntonizer, including pad, thermistor structure, first base plate, second base plate, oscillator and upper cover, the pad cover in the one side of first base plate, the second base plate is fixed in the another side of first base plate, the thermistor structure is fixed the one side of second base plate, the oscillator is fixed in the another side of second base plate, the upper cover pressfitting is on the second base plate, first base plate is equipped with the trompil of the thermistor structure of being convenient for demonstration.

Preferably, the thermistor structure includes a first circuit board and a thermistor integrated on the first circuit board, the first circuit board is fixed on one surface of the second substrate, and the thermistor extends into the opening of the first substrate.

Preferably, the resonator further includes a glue dispensing member and a second circuit board, and the glue dispensing member and the second circuit board are printed on the other surface of the second substrate.

Preferably, the resonator further includes a third substrate, the third substrate is disposed between the second substrate and the upper cover, the third substrate is a hollow frame structure, and the vibrator passes through the third substrate and is fixed to the second circuit board through a conductive adhesive.

Preferably, a kovar ring is further arranged between the third base plate and the upper cover.

Preferably, the first substrate and the second substrate are electrically connected through a conductive connecting member.

Preferably, the first substrate, the second substrate and the third substrate are made of a ceramic material or a calcium carbide material.

From the foregoing the embodiment of the utility model provides a, the utility model discloses a directly print thermistor and form the base between first base plate and second base plate, then install the oscillator between base and upper cover again to form the syntonizer of taking thermistor, this structure is processed the completion in the lump with base plate and thermistor, has reduced the whole manufacturing procedure of thermistor syntonizer, shortens the man-hour of processing of thermistor syntonizer, and save required equipment of thermistor equipment and material, also can reduce the loss cost that drops of thermistor at follow-up in-process. Meanwhile, the bottom of the first substrate is provided with the hole, so that the bottom of the base can be visually provided with the thermistor when being processed, and the thermistor can be conveniently detected.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a thermistor resonator according to the present invention.

Description of the main element symbols:

10. a first substrate; 20. a second substrate; 30. a third substrate; 40. a pad; 60. a thermistor structure; 70. dispensing a glue piece; 80. a vibrator; 90. an upper cover; 601. a first circuit board; 602. a thermistor; 701. a second circuit board.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention discloses a resonator with a thermistor 602, which includes a pad 40, a thermistor structure 60, a first substrate 10, a second substrate 20, a vibrator 80 and an upper cover 90, wherein the pad 40 covers one side of the first substrate 10, the second substrate 20 is fixed on the other side of the first substrate 10, the thermistor structure 60 is fixed on one side of the second substrate 20, the vibrator 80 is fixed on the other side of the second substrate 20, the upper cover 90 is pressed on the second substrate 20, and the first substrate 10 is provided with an opening hole for the thermistor structure 60 to display.

Compared with the prior art, the utility model discloses a directly print thermistor 602 and form the base between first base plate 10 and second base plate 20, then install oscillator 80 between base and upper cover 90 again, thereby form the syntonizer of taking thermistor 602, this structure is processed the completion in the lump with base plate and thermistor 602, the whole manufacturing procedure of thermistor 602 syntonizer has been reduced, shorten the man-hour of processing of thermistor 602 syntonizer, and save required equipment of thermistor 602 equipment and material, the loss cost that drops of thermistor 602 in follow-up in-process also can be reduced. Meanwhile, the bottom of the first substrate 10 is provided with the hole, so that the thermistor 602 can be seen from the bottom of the processed base, and the detection of the thermistor 602 is facilitated.

In the embodiment, the thermistor structure 60 includes a first circuit board 601 and a thermistor 602 integrated on the first circuit board 601, the first circuit board 601 is fixed on one side of the second substrate 20, and the thermistor 602 extends into the opening of the first substrate 10. The thermistor 602 is electrically connected to the first circuit board 601, the first circuit board 601 is electrically connected to the conductive connector of the first substrate 10, the first substrate 10 is electrically connected to the second substrate 20 through the conductive connector, and the second substrate 20 is electrically connected to the vibrator 80, so that the electrical connection relationship between the thermistor 602, the vibrator 80, and the pad 40 is realized. Thermistor 602 processing materials include: two or more metal oxides of manganese, copper, silicon, cobalt, iron, nickel, zinc, etc. are fully mixed to form slurry. In this embodiment, the thermistor 602 is printed on the first circuit board 601, and then sintered to form the thermistor 602 with slow characteristics.

In this embodiment, the resonator further includes a dispensing member 70 and a second circuit board 701, and the dispensing member 70 and the second circuit board 701 are printed on the other surface of the second substrate 20. The glue dispensing part 70 is used for fixing the vibrator 80, and the second circuit board 701 is used for realizing the electrical connection relationship between the first circuit board 601 and the vibrator 80.

In this embodiment, the resonator further includes a third substrate 30, the third substrate 30 is disposed between the second substrate 20 and the upper cover 90, the third substrate 30 is a hollow frame structure, and the vibrator 80 passes through the third substrate 30 and is fixed on the second circuit board 701 through a conductive adhesive. The third substrate 30 is configured as a hollow frame structure, so that a cavity for accommodating the vibrator 80 can be formed by enclosing the third substrate and the upper cover 90.

In the present embodiment, a kovar ring is further disposed between the third base plate 30 and the upper cover 90. The kovar ring is used to realize a fixed connection between the third base plate 30 and the upper cover 90. The kovar ring in this scheme can also be replaced by other welding materials, such as an adhesive material, as long as the structure that more stable fixed connection between the third substrate 30 and the upper cover 90 can be realized, all belong to simple deformation and transformation of this scheme, and fall into the protection scope of this scheme.

In the present embodiment, the first substrate 10 and the second substrate 20 are electrically connected by a conductive connection member. The first substrate 10 and the second substrate 20 are both provided with through holes for connecting the upper surface and the lower surface, and the conductive connecting member is arranged in the through holes, so that the connection between the upper surface and the lower surface can be realized, and the connection between the substrates can be realized.

In this embodiment, the first substrate 10, the second substrate 20, and the third substrate 30 are made of a ceramic material or an electro-carbide material. The first substrate 10, the second substrate 20, and the third substrate 30 are generally made of a semiconductor made of ceramic or carbide, and the upper cover 90 is generally made of metal or ceramic.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims

1. The utility model provides a take syntonizer of thermistor which characterized in that, includes pad, thermistor structure, first base plate, second base plate, oscillator and upper cover, the pad cover in the one side of first base plate, the second base plate is fixed in the another side of first base plate, the thermistor structure is fixed the one side of second base plate, the oscillator is fixed in the another side of second base plate, the upper cover pressfitting is on the second base plate, first base plate is equipped with the trompil of the thermistor structure of being convenient for demonstration.

2. The thermistor resonator of claim 1, characterized in that the thermistor structure comprises a first circuit board and a thermistor integrated on the first circuit board, the first circuit board being fixed to one side of the second substrate, the thermistor protruding into the opening of the first substrate.

3. The thermistor resonator of claim 1, characterized in that the resonator further comprises a glue and a second circuit board, which are printed on the other side of the second substrate.

4. The thermistor resonator according to claim 3, characterized in that the resonator further comprises a third substrate disposed between the second substrate and the upper cover, the third substrate is a hollow frame structure, and the vibrator passes through the third substrate and is fixed on the second circuit board by a conductive adhesive.

5. The thermistor resonator of claim 4, characterized in that a kovar ring is further provided between the third substrate and the top cover.

6. The thermistor resonator of claim 1, characterized in that the first substrate and the second substrate are electrically connected by a conductive connection.

7. The resonator with the thermistor according to claim 4, characterized in that the first substrate, the second substrate and the third substrate are made of ceramic or tourmaline.