CN212785291U

CN212785291U - Resonator with thermistor

Info

Publication number: CN212785291U
Application number: CN202022019224.0U
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: 2021-03-23
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, third base plate, upper cover and oscillator, the pad is fixed in the one side of first base plate, and the thermistor structure is fixed in the another side of first base plate, is equipped with the trompil that the thermistor structure of being convenient for stretches out on the second base plate, and the third base plate shelters from in trompil department, and on the third base plate was located to the upper cover lid, the oscillator holding was between upper cover and third base plate. The thermistor resonator of the scheme completes the processing of the substrate and the thermistor together, reduces the whole processing procedure of the thermistor resonator, shortens the processing working hours of the thermistor resonator, saves equipment and materials required by thermistor assembly, and can also reduce the dropping loss cost of the thermistor in the subsequent process. The utility model provides a third base plate is solid plate structure, and thermistor is sheltered from in the base and does not show to the security of thermistor structure in the transportation has been guaranteed.

Description

Resonator with thermistor

Technical Field

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

Background

With the development of electronic technology, more and more applications require that the temperature characteristics of quartz crystals can be more accurate, and resonators with thermistors are accepted by the market due to lower production cost and high temperature characteristic accuracy. The conventional resonator structure with a thermistor is generally that a groove is formed in the bottom of a substrate, a welding pad for welding the thermistor is arranged in the groove, and the substrate 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 substrate 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, third base plate, upper cover and oscillator, the pad is fixed in the one side of first base plate, the thermistor structure is fixed in the another side of first base plate, be equipped with on the second base plate and be convenient for the trompil that the thermistor structure stretches out, the third base plate shelters from in trompil department, the upper cover lid is located on the third base plate, the oscillator holding in the upper cover with between the third base plate.

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

Preferably, the resonator further includes a fourth substrate, the fourth substrate is a hollow frame structure, the fourth substrate is disposed between the third substrate and the upper cover, and the third substrate, the fourth substrate and the upper cover enclose a cavity for accommodating the oscillator.

Preferably, the first substrate and the second substrate are fixedly connected through a first conductive connecting piece.

Preferably, the second substrate and the third substrate are fixedly connected through a second conductive connecting member.

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

From the aforesaid the embodiment of the utility model provides a can know, the thermistor syntonizer of this scheme is through directly printing thermistor and forming the base between first base plate and third base plate, then install the oscillator between base and upper cover again, thereby form the syntonizer of taking thermistor, this method is processed the completion with base plate and thermistor in the lump, the whole manufacturing procedure of thermistor syntonizer has been reduced, the man-hour of processing of thermistor syntonizer is shortened, and save required equipment of thermistor equipment and material, also the loss cost that drops of thermistor in follow-up in-process can be reduced. The utility model provides a third base plate is solid plate structure, and thermistor is sheltered from in the base and does not show to the security of thermistor structure in the transportation has been guaranteed.

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; 301. a fourth 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, including a pad 40, a thermistor structure 60, a first substrate 10, a second substrate 20, a third substrate 30, an upper cover 90 and a vibrator 80, wherein the pad 40 is fixed on one side of the first substrate 10, the thermistor structure 60 is fixed on the other side of the first substrate 10, the second substrate 20 is provided with a hole for the thermistor structure 60 to extend out, the third substrate 30 is shielded at the hole, the upper cover 90 covers the third substrate 30, and the vibrator 80 is accommodated between the upper cover 90 and the third substrate 30.

Compared with the prior art, the thermistor 602 resonator of the present embodiment forms a base by directly printing the thermistor 602 between the first substrate 10 and the third substrate 30, and then the vibrator 80 is installed between the base and the upper cover 90, thereby forming the resonator with the thermistor 602, and the method completes the processing of the substrate and the thermistor 602 together, reduces the whole processing procedure of the thermistor 602 resonator, shortens the processing time of the thermistor 602 resonator, saves the equipment and materials required for assembling the thermistor 602, and can also reduce the dropping loss cost of the thermistor 602 in the subsequent process. The utility model provides a third base plate 30 is solid plate structure, and thermistor 602 is sheltered from in the base and does not show to the security of thermistor structure 60 in the transportation has been guaranteed.

In the embodiment, the thermistor structure 60 includes a first circuit board 601 and a thermistor 602 integrated on the circuit board, the circuit board is fixed on one side of the first substrate 10, and the thermistor 602 extends into the opening of the second substrate 20. 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 desired 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 third substrate 30. 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 fourth substrate 301, the fourth substrate 301 is a hollow frame structure, the fourth substrate 301 is disposed between the third substrate 30 and the upper cover 90, and the third substrate 30, the fourth substrate 301 and the upper cover 90 enclose a cavity for accommodating the vibrator 80. The arrangement of fourth substrate 301 provides a larger accommodation space for vibrator 80, facilitating further mounting of vibrator 80.

In the present embodiment, the first substrate 10 and the second substrate 20 are fixedly connected by a first conductive connecting member. The second substrate 20 and the third substrate 30 are fixedly connected by a second conductive connecting member. The first substrate 10, the second substrate 20 and the third substrate 30 are all provided with through holes for connecting the upper and lower surfaces, and the conductive connecting members are arranged in the through holes, so that the connection of the upper and lower surfaces can be realized, and the connection between the substrates can also 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 resonator with the thermistor is characterized by comprising a bonding pad, a thermistor structure, a first substrate, a second substrate, a third substrate, an upper cover and a vibrator, wherein the bonding pad is fixed on one surface of the first substrate, the thermistor structure is fixed on the other surface of the first substrate, an opening which is convenient for the thermistor structure to stretch out is formed in the second substrate, the third substrate is shielded at the opening, the upper cover is arranged on the third substrate, and the vibrator is contained between the upper cover and the third substrate.

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

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

4. The resonator with the thermistor according to claim 3, further comprising a fourth substrate, wherein the fourth substrate is a hollow frame structure, the fourth substrate is disposed between the third substrate and the upper cover, and the third substrate, the fourth substrate and the upper cover enclose a cavity for accommodating the vibrator.

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

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

7. The resonator with the thermistor according to claim 1, wherein the first substrate, the second substrate, and the third substrate are made of a ceramic material or an electro-carbide material.